./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bda512f5ab4e84c08e80fd02a1c07c8fba5ca60aa45d55edfde2cc268dd1288e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:11:13,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:11:13,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 03:11:13,340 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:11:13,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:11:13,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:11:13,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:11:13,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:11:13,374 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:11:13,375 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:11:13,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:11:13,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:11:13,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:11:13,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:11:13,377 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:11:13,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:11:13,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:11:13,378 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:11:13,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:11:13,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:11:13,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:11:13,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:11:13,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:11:13,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:11:13,380 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 03:11:13,380 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:11:13,380 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:11:13,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:11:13,380 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:11:13,381 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:11:13,381 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:11:13,381 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:11:13,381 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:11:13,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:11:13,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:11:13,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:11:13,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:11:13,383 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:11:13,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:11:13,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:11:13,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:11:13,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:11:13,384 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:11:13,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:11:13,384 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:11:13,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:11:13,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:11:13,385 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:11:13,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:11:13,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:11:13,385 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda512f5ab4e84c08e80fd02a1c07c8fba5ca60aa45d55edfde2cc268dd1288e [2024-11-28 03:11:13,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:11:13,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:11:13,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:11:13,804 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:11:13,804 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:11:13,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c [2024-11-28 03:11:17,765 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/data/e6acf784b/ce7c9b4f94d2472a85912c9da6eabe7f/FLAG835a8b7db [2024-11-28 03:11:18,135 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:11:18,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c [2024-11-28 03:11:18,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/data/e6acf784b/ce7c9b4f94d2472a85912c9da6eabe7f/FLAG835a8b7db [2024-11-28 03:11:18,378 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/data/e6acf784b/ce7c9b4f94d2472a85912c9da6eabe7f [2024-11-28 03:11:18,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:11:18,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:11:18,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:11:18,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:11:18,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:11:18,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:18" (1/1) ... [2024-11-28 03:11:18,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f430d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:18, skipping insertion in model container [2024-11-28 03:11:18,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:18" (1/1) ... [2024-11-28 03:11:18,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:11:18,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:11:18,701 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:11:18,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:11:18,747 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:11:18,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:18 WrapperNode [2024-11-28 03:11:18,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:11:18,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:11:18,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:11:18,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:11:18,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:18" (1/1) ... [2024-11-28 03:11:18,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:18" (1/1) ... [2024-11-28 03:11:18,800 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 136 [2024-11-28 03:11:18,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:11:18,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:11:18,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:11:18,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:11:18,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:18" (1/1) ... [2024-11-28 03:11:18,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:18" (1/1) ... [2024-11-28 03:11:18,823 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:18" (1/1) ... [2024-11-28 03:11:18,856 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:11:18,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:18" (1/1) ... [2024-11-28 03:11:18,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:18" (1/1) ... [2024-11-28 03:11:18,868 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:18" (1/1) ... [2024-11-28 03:11:18,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:18" (1/1) ... [2024-11-28 03:11:18,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:18" (1/1) ... [2024-11-28 03:11:18,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:18" (1/1) ... [2024-11-28 03:11:18,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:18" (1/1) ... [2024-11-28 03:11:18,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:11:18,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:11:18,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:11:18,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:11:18,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:18" (1/1) ... [2024-11-28 03:11:18,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:11:18,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:18,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:18,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:11:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:11:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:11:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:11:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:11:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:11:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:11:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 03:11:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 03:11:19,090 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:11:19,092 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:11:19,885 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-28 03:11:19,886 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:11:19,904 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:11:19,905 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-28 03:11:19,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:19 BoogieIcfgContainer [2024-11-28 03:11:19,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:11:19,909 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:11:19,909 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:11:19,917 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:11:19,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:11:18" (1/3) ... [2024-11-28 03:11:19,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758b0f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:11:19, skipping insertion in model container [2024-11-28 03:11:19,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:18" (2/3) ... [2024-11-28 03:11:19,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758b0f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:11:19, skipping insertion in model container [2024-11-28 03:11:19,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:19" (3/3) ... [2024-11-28 03:11:19,921 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd3-ll_valuebound2.c [2024-11-28 03:11:19,942 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:11:19,944 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd3-ll_valuebound2.c that has 3 procedures, 131 locations, 1 initial locations, 3 loop locations, and 50 error locations. [2024-11-28 03:11:20,045 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:11:20,071 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@33917d6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:11:20,072 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-28 03:11:20,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 69 states have (on average 1.8840579710144927) internal successors, (130), 119 states have internal predecessors, (130), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 03:11:20,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-28 03:11:20,088 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:20,089 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:20,090 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:20,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:20,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1196419522, now seen corresponding path program 1 times [2024-11-28 03:11:20,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:20,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534776732] [2024-11-28 03:11:20,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:20,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:20,331 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-28 03:11:20,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:20,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534776732] [2024-11-28 03:11:20,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534776732] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:11:20,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89914707] [2024-11-28 03:11:20,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:20,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:20,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:20,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:20,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:11:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:20,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:11:20,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:20,448 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-28 03:11:20,449 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:11:20,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89914707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:20,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:11:20,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:11:20,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368256348] [2024-11-28 03:11:20,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:20,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:11:20,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:20,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:11:20,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:11:20,482 INFO L87 Difference]: Start difference. First operand has 131 states, 69 states have (on average 1.8840579710144927) internal successors, (130), 119 states have internal predecessors, (130), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:11:20,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:20,559 INFO L93 Difference]: Finished difference Result 258 states and 300 transitions. [2024-11-28 03:11:20,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:11:20,561 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2024-11-28 03:11:20,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:20,573 INFO L225 Difference]: With dead ends: 258 [2024-11-28 03:11:20,573 INFO L226 Difference]: Without dead ends: 124 [2024-11-28 03:11:20,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:11:20,585 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:20,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:11:20,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-28 03:11:20,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-28 03:11:20,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 64 states have (on average 1.8125) internal successors, (116), 113 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 03:11:20,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 132 transitions. [2024-11-28 03:11:20,666 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 132 transitions. Word has length 26 [2024-11-28 03:11:20,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:20,667 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 132 transitions. [2024-11-28 03:11:20,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:11:20,668 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 132 transitions. [2024-11-28 03:11:20,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-28 03:11:20,671 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:20,671 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:20,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:11:20,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:11:20,876 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:20,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:20,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1152528766, now seen corresponding path program 1 times [2024-11-28 03:11:20,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:20,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911335882] [2024-11-28 03:11:20,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:20,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:21,313 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 03:11:21,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:21,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911335882] [2024-11-28 03:11:21,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911335882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:21,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:21,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:11:21,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523194250] [2024-11-28 03:11:21,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:21,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:11:21,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:21,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:11:21,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:11:21,316 INFO L87 Difference]: Start difference. First operand 124 states and 132 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:21,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:21,933 INFO L93 Difference]: Finished difference Result 210 states and 230 transitions. [2024-11-28 03:11:21,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:11:21,934 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2024-11-28 03:11:21,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:21,937 INFO L225 Difference]: With dead ends: 210 [2024-11-28 03:11:21,939 INFO L226 Difference]: Without dead ends: 182 [2024-11-28 03:11:21,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:11:21,941 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 200 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:21,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 317 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:11:21,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-28 03:11:21,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 125. [2024-11-28 03:11:21,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 65 states have (on average 1.8) internal successors, (117), 114 states have internal predecessors, (117), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 03:11:21,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 133 transitions. [2024-11-28 03:11:21,978 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 133 transitions. Word has length 26 [2024-11-28 03:11:21,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:21,978 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 133 transitions. [2024-11-28 03:11:21,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:21,979 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 133 transitions. [2024-11-28 03:11:21,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-28 03:11:21,979 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:21,979 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:21,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:11:21,980 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:21,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:21,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1368652243, now seen corresponding path program 1 times [2024-11-28 03:11:21,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:21,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897950282] [2024-11-28 03:11:21,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:21,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:22,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [41959187] [2024-11-28 03:11:22,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:22,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:22,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:22,024 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:22,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:11:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:22,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:11:22,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:22,109 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:11:22,109 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:11:22,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:22,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897950282] [2024-11-28 03:11:22,110 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:11:22,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41959187] [2024-11-28 03:11:22,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41959187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:22,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:22,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:11:22,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722211248] [2024-11-28 03:11:22,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:22,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:11:22,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:22,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:11:22,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:11:22,113 INFO L87 Difference]: Start difference. First operand 125 states and 133 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:22,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:22,212 INFO L93 Difference]: Finished difference Result 194 states and 210 transitions. [2024-11-28 03:11:22,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:11:22,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2024-11-28 03:11:22,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:22,216 INFO L225 Difference]: With dead ends: 194 [2024-11-28 03:11:22,216 INFO L226 Difference]: Without dead ends: 192 [2024-11-28 03:11:22,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:11:22,217 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 63 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:22,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 235 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:11:22,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-28 03:11:22,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 159. [2024-11-28 03:11:22,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 95 states have (on average 1.8421052631578947) internal successors, (175), 144 states have internal predecessors, (175), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:11:22,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 199 transitions. [2024-11-28 03:11:22,264 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 199 transitions. Word has length 27 [2024-11-28 03:11:22,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:22,264 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 199 transitions. [2024-11-28 03:11:22,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:22,265 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 199 transitions. [2024-11-28 03:11:22,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-28 03:11:22,265 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:22,265 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:22,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:22,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:22,466 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:22,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:22,467 INFO L85 PathProgramCache]: Analyzing trace with hash -521453033, now seen corresponding path program 1 times [2024-11-28 03:11:22,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:22,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664827859] [2024-11-28 03:11:22,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:22,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:22,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [90561344] [2024-11-28 03:11:22,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:22,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:22,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:22,527 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:22,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:11:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:22,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:11:22,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:22,643 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:11:22,645 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:11:22,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:22,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664827859] [2024-11-28 03:11:22,645 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:11:22,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90561344] [2024-11-28 03:11:22,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90561344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:22,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:22,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:11:22,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974067820] [2024-11-28 03:11:22,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:22,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:11:22,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:22,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:11:22,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:11:22,649 INFO L87 Difference]: Start difference. First operand 159 states and 199 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:22,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:22,857 INFO L93 Difference]: Finished difference Result 190 states and 208 transitions. [2024-11-28 03:11:22,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:11:22,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2024-11-28 03:11:22,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:22,860 INFO L225 Difference]: With dead ends: 190 [2024-11-28 03:11:22,860 INFO L226 Difference]: Without dead ends: 186 [2024-11-28 03:11:22,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:11:22,862 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 56 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:22,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 217 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:11:22,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-28 03:11:22,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 162. [2024-11-28 03:11:22,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 98 states have (on average 1.7959183673469388) internal successors, (176), 147 states have internal predecessors, (176), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:11:22,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 200 transitions. [2024-11-28 03:11:22,880 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 200 transitions. Word has length 28 [2024-11-28 03:11:22,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:22,880 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 200 transitions. [2024-11-28 03:11:22,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:22,881 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 200 transitions. [2024-11-28 03:11:22,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-28 03:11:22,882 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:22,882 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:22,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:11:23,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:23,083 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:23,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:23,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1014815381, now seen corresponding path program 1 times [2024-11-28 03:11:23,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:23,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965373424] [2024-11-28 03:11:23,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:23,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:23,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [542954729] [2024-11-28 03:11:23,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:23,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:23,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:23,136 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:23,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:11:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:23,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:11:23,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:23,356 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:11:23,356 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:11:23,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:23,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965373424] [2024-11-28 03:11:23,357 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:11:23,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542954729] [2024-11-28 03:11:23,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542954729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:23,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:23,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:11:23,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607446336] [2024-11-28 03:11:23,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:23,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:11:23,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:23,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:11:23,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:11:23,363 INFO L87 Difference]: Start difference. First operand 162 states and 200 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:23,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:23,617 INFO L93 Difference]: Finished difference Result 181 states and 200 transitions. [2024-11-28 03:11:23,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:11:23,618 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2024-11-28 03:11:23,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:23,620 INFO L225 Difference]: With dead ends: 181 [2024-11-28 03:11:23,620 INFO L226 Difference]: Without dead ends: 180 [2024-11-28 03:11:23,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:11:23,621 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 136 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:23,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 196 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:11:23,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-28 03:11:23,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 162. [2024-11-28 03:11:23,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 98 states have (on average 1.7857142857142858) internal successors, (175), 147 states have internal predecessors, (175), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:11:23,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 199 transitions. [2024-11-28 03:11:23,659 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 199 transitions. Word has length 29 [2024-11-28 03:11:23,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:23,659 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 199 transitions. [2024-11-28 03:11:23,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:23,659 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 199 transitions. [2024-11-28 03:11:23,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-28 03:11:23,660 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:23,660 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:23,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:11:23,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:23,861 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:23,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:23,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1394813657, now seen corresponding path program 1 times [2024-11-28 03:11:23,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:23,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527941090] [2024-11-28 03:11:23,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:23,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:24,100 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:11:24,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:24,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527941090] [2024-11-28 03:11:24,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527941090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:24,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:24,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:11:24,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376352835] [2024-11-28 03:11:24,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:24,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:11:24,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:24,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:11:24,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:11:24,102 INFO L87 Difference]: Start difference. First operand 162 states and 199 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:24,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:24,759 INFO L93 Difference]: Finished difference Result 185 states and 203 transitions. [2024-11-28 03:11:24,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:11:24,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2024-11-28 03:11:24,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:24,761 INFO L225 Difference]: With dead ends: 185 [2024-11-28 03:11:24,761 INFO L226 Difference]: Without dead ends: 184 [2024-11-28 03:11:24,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:11:24,762 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 52 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:24,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 409 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:11:24,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-28 03:11:24,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 163. [2024-11-28 03:11:24,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7777777777777777) internal successors, (176), 148 states have internal predecessors, (176), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:11:24,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 200 transitions. [2024-11-28 03:11:24,780 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 200 transitions. Word has length 30 [2024-11-28 03:11:24,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:24,781 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 200 transitions. [2024-11-28 03:11:24,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:24,781 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 200 transitions. [2024-11-28 03:11:24,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-28 03:11:24,782 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:24,782 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:24,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:11:24,783 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:24,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:24,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1394505819, now seen corresponding path program 1 times [2024-11-28 03:11:24,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:24,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081990413] [2024-11-28 03:11:24,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:24,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:24,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [672978074] [2024-11-28 03:11:24,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:24,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:24,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:24,804 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:24,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:11:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:24,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:11:24,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:11:24,974 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:11:24,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:24,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081990413] [2024-11-28 03:11:24,975 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:11:24,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672978074] [2024-11-28 03:11:24,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672978074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:24,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:24,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:11:24,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676688612] [2024-11-28 03:11:24,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:24,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:11:24,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:24,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:11:24,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:11:24,977 INFO L87 Difference]: Start difference. First operand 163 states and 200 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:25,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:25,247 INFO L93 Difference]: Finished difference Result 182 states and 200 transitions. [2024-11-28 03:11:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:11:25,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2024-11-28 03:11:25,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:25,249 INFO L225 Difference]: With dead ends: 182 [2024-11-28 03:11:25,250 INFO L226 Difference]: Without dead ends: 181 [2024-11-28 03:11:25,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:11:25,251 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 135 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:25,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 196 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:11:25,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-28 03:11:25,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 163. [2024-11-28 03:11:25,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7676767676767677) internal successors, (175), 148 states have internal predecessors, (175), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:11:25,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 199 transitions. [2024-11-28 03:11:25,268 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 199 transitions. Word has length 30 [2024-11-28 03:11:25,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:25,269 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 199 transitions. [2024-11-28 03:11:25,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:25,269 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 199 transitions. [2024-11-28 03:11:25,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-28 03:11:25,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:25,270 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:25,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:25,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-28 03:11:25,474 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:25,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:25,475 INFO L85 PathProgramCache]: Analyzing trace with hash 289550559, now seen corresponding path program 1 times [2024-11-28 03:11:25,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:25,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672881201] [2024-11-28 03:11:25,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:25,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:25,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [179778830] [2024-11-28 03:11:25,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:25,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:25,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:25,522 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:25,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:11:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:25,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:11:25,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:25,705 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:11:25,705 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:11:25,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:25,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672881201] [2024-11-28 03:11:25,706 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:11:25,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179778830] [2024-11-28 03:11:25,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179778830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:25,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:25,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:11:25,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918849520] [2024-11-28 03:11:25,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:25,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:11:25,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:25,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:11:25,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:11:25,708 INFO L87 Difference]: Start difference. First operand 163 states and 199 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:26,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:26,078 INFO L93 Difference]: Finished difference Result 183 states and 201 transitions. [2024-11-28 03:11:26,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:11:26,079 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2024-11-28 03:11:26,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:26,081 INFO L225 Difference]: With dead ends: 183 [2024-11-28 03:11:26,081 INFO L226 Difference]: Without dead ends: 182 [2024-11-28 03:11:26,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:11:26,082 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 52 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:26,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 285 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:11:26,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-28 03:11:26,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 164. [2024-11-28 03:11:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 100 states have (on average 1.76) internal successors, (176), 149 states have internal predecessors, (176), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:11:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 200 transitions. [2024-11-28 03:11:26,098 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 200 transitions. Word has length 31 [2024-11-28 03:11:26,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:26,099 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 200 transitions. [2024-11-28 03:11:26,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:26,099 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 200 transitions. [2024-11-28 03:11:26,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-28 03:11:26,100 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:26,100 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:26,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:11:26,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:26,301 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:26,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:26,301 INFO L85 PathProgramCache]: Analyzing trace with hash 280007511, now seen corresponding path program 1 times [2024-11-28 03:11:26,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:26,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864353819] [2024-11-28 03:11:26,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:26,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:26,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [734347816] [2024-11-28 03:11:26,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:26,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:26,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:26,322 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:26,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:11:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:26,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:11:26,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:26,463 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:11:26,463 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:11:26,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:26,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864353819] [2024-11-28 03:11:26,464 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:11:26,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734347816] [2024-11-28 03:11:26,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734347816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:26,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:26,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:11:26,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988060552] [2024-11-28 03:11:26,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:26,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:11:26,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:26,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:11:26,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:11:26,465 INFO L87 Difference]: Start difference. First operand 164 states and 200 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:26,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:26,771 INFO L93 Difference]: Finished difference Result 190 states and 206 transitions. [2024-11-28 03:11:26,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:11:26,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2024-11-28 03:11:26,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:26,773 INFO L225 Difference]: With dead ends: 190 [2024-11-28 03:11:26,774 INFO L226 Difference]: Without dead ends: 189 [2024-11-28 03:11:26,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:11:26,775 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 55 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:26,776 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 316 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:11:26,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-28 03:11:26,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 164. [2024-11-28 03:11:26,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 100 states have (on average 1.75) internal successors, (175), 149 states have internal predecessors, (175), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:11:26,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 199 transitions. [2024-11-28 03:11:26,791 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 199 transitions. Word has length 31 [2024-11-28 03:11:26,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:26,792 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 199 transitions. [2024-11-28 03:11:26,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:26,792 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 199 transitions. [2024-11-28 03:11:26,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-28 03:11:26,793 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:26,794 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:26,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:26,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:26,998 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:26,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:26,999 INFO L85 PathProgramCache]: Analyzing trace with hash 386132891, now seen corresponding path program 1 times [2024-11-28 03:11:26,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:26,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145231056] [2024-11-28 03:11:26,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:26,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:27,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1624941820] [2024-11-28 03:11:27,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:27,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:27,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:27,026 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:27,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:11:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:27,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:11:27,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:11:27,112 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:11:27,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:27,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145231056] [2024-11-28 03:11:27,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:11:27,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624941820] [2024-11-28 03:11:27,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624941820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:27,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:27,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:11:27,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765555010] [2024-11-28 03:11:27,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:27,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:11:27,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:27,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:11:27,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:11:27,119 INFO L87 Difference]: Start difference. First operand 164 states and 199 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:27,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:27,301 INFO L93 Difference]: Finished difference Result 274 states and 350 transitions. [2024-11-28 03:11:27,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:11:27,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2024-11-28 03:11:27,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:27,307 INFO L225 Difference]: With dead ends: 274 [2024-11-28 03:11:27,307 INFO L226 Difference]: Without dead ends: 268 [2024-11-28 03:11:27,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:11:27,308 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 55 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:27,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 212 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:11:27,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-28 03:11:27,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 236. [2024-11-28 03:11:27,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 164 states have (on average 1.7195121951219512) internal successors, (282), 213 states have internal predecessors, (282), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:11:27,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 322 transitions. [2024-11-28 03:11:27,343 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 322 transitions. Word has length 32 [2024-11-28 03:11:27,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:27,345 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 322 transitions. [2024-11-28 03:11:27,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:27,345 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 322 transitions. [2024-11-28 03:11:27,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-28 03:11:27,346 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:27,346 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:27,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:27,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 03:11:27,553 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:27,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:27,554 INFO L85 PathProgramCache]: Analyzing trace with hash 90298333, now seen corresponding path program 1 times [2024-11-28 03:11:27,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:27,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269135745] [2024-11-28 03:11:27,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:27,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:27,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [676607830] [2024-11-28 03:11:27,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:27,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:27,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:27,577 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:27,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 03:11:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:27,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:11:27,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:11:27,802 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:11:27,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:27,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269135745] [2024-11-28 03:11:27,803 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:11:27,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676607830] [2024-11-28 03:11:27,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676607830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:27,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:27,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:11:27,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825110656] [2024-11-28 03:11:27,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:27,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:11:27,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:27,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:11:27,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:11:27,805 INFO L87 Difference]: Start difference. First operand 236 states and 322 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:28,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:28,062 INFO L93 Difference]: Finished difference Result 261 states and 326 transitions. [2024-11-28 03:11:28,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:11:28,062 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2024-11-28 03:11:28,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:28,064 INFO L225 Difference]: With dead ends: 261 [2024-11-28 03:11:28,065 INFO L226 Difference]: Without dead ends: 260 [2024-11-28 03:11:28,065 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:11:28,066 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 98 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:28,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 239 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:11:28,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-28 03:11:28,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 236. [2024-11-28 03:11:28,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 164 states have (on average 1.7073170731707317) internal successors, (280), 213 states have internal predecessors, (280), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:11:28,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 320 transitions. [2024-11-28 03:11:28,090 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 320 transitions. Word has length 32 [2024-11-28 03:11:28,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:28,090 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 320 transitions. [2024-11-28 03:11:28,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:28,091 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 320 transitions. [2024-11-28 03:11:28,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-28 03:11:28,092 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:28,092 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:28,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:28,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:28,293 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:28,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:28,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1706525789, now seen corresponding path program 1 times [2024-11-28 03:11:28,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:28,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382238428] [2024-11-28 03:11:28,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:28,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:28,491 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:11:28,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:28,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382238428] [2024-11-28 03:11:28,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382238428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:28,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:28,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:11:28,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917132889] [2024-11-28 03:11:28,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:28,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:11:28,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:28,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:11:28,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:11:28,493 INFO L87 Difference]: Start difference. First operand 236 states and 320 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:28,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:28,733 INFO L93 Difference]: Finished difference Result 265 states and 330 transitions. [2024-11-28 03:11:28,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:11:28,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2024-11-28 03:11:28,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:28,736 INFO L225 Difference]: With dead ends: 265 [2024-11-28 03:11:28,736 INFO L226 Difference]: Without dead ends: 264 [2024-11-28 03:11:28,736 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:11:28,737 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 55 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:28,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 349 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:11:28,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-28 03:11:28,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 241. [2024-11-28 03:11:28,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 169 states have (on average 1.698224852071006) internal successors, (287), 218 states have internal predecessors, (287), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:11:28,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 327 transitions. [2024-11-28 03:11:28,770 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 327 transitions. Word has length 34 [2024-11-28 03:11:28,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:28,770 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 327 transitions. [2024-11-28 03:11:28,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:28,770 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 327 transitions. [2024-11-28 03:11:28,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-28 03:11:28,771 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:28,772 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:28,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:11:28,773 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:28,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:28,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1362692067, now seen corresponding path program 1 times [2024-11-28 03:11:28,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:28,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494554326] [2024-11-28 03:11:28,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:28,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:28,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1498024630] [2024-11-28 03:11:28,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:28,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:28,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:28,806 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:28,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 03:11:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:28,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:11:28,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:28,967 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:11:28,969 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:11:28,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:28,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494554326] [2024-11-28 03:11:28,969 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:11:28,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498024630] [2024-11-28 03:11:28,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498024630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:28,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:28,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:11:28,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190381256] [2024-11-28 03:11:28,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:28,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:11:28,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:28,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:11:28,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:11:28,971 INFO L87 Difference]: Start difference. First operand 241 states and 327 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:29,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:29,327 INFO L93 Difference]: Finished difference Result 282 states and 338 transitions. [2024-11-28 03:11:29,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:11:29,328 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2024-11-28 03:11:29,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:29,330 INFO L225 Difference]: With dead ends: 282 [2024-11-28 03:11:29,330 INFO L226 Difference]: Without dead ends: 281 [2024-11-28 03:11:29,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:11:29,332 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 149 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:29,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 346 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:11:29,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-28 03:11:29,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 243. [2024-11-28 03:11:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 171 states have (on average 1.6900584795321638) internal successors, (289), 220 states have internal predecessors, (289), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:11:29,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 329 transitions. [2024-11-28 03:11:29,357 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 329 transitions. Word has length 35 [2024-11-28 03:11:29,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:29,357 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 329 transitions. [2024-11-28 03:11:29,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:29,357 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 329 transitions. [2024-11-28 03:11:29,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-28 03:11:29,358 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:29,358 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:29,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-28 03:11:29,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:29,559 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:29,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:29,560 INFO L85 PathProgramCache]: Analyzing trace with hash -417947209, now seen corresponding path program 1 times [2024-11-28 03:11:29,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:29,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487046842] [2024-11-28 03:11:29,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:29,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:29,795 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 03:11:29,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:29,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487046842] [2024-11-28 03:11:29,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487046842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:11:29,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397878387] [2024-11-28 03:11:29,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:29,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:29,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:29,799 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:29,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 03:11:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:29,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:11:29,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:29,958 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:11:29,958 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:11:30,214 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:11:30,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397878387] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:11:30,215 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:11:30,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 15 [2024-11-28 03:11:30,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98117699] [2024-11-28 03:11:30,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:11:30,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 03:11:30,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:30,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 03:11:30,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:11:30,221 INFO L87 Difference]: Start difference. First operand 243 states and 329 transitions. Second operand has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 14 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:11:32,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:32,795 INFO L93 Difference]: Finished difference Result 867 states and 1152 transitions. [2024-11-28 03:11:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-28 03:11:32,796 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 14 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2024-11-28 03:11:32,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:32,802 INFO L225 Difference]: With dead ends: 867 [2024-11-28 03:11:32,803 INFO L226 Difference]: Without dead ends: 839 [2024-11-28 03:11:32,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=316, Invalid=944, Unknown=0, NotChecked=0, Total=1260 [2024-11-28 03:11:32,805 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 1810 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1810 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 1737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 256 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:32,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1810 Valid, 1297 Invalid, 1737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [256 Valid, 1481 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 03:11:32,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-11-28 03:11:32,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 246. [2024-11-28 03:11:32,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 174 states have (on average 1.6896551724137931) internal successors, (294), 223 states have internal predecessors, (294), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:11:32,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 334 transitions. [2024-11-28 03:11:32,844 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 334 transitions. Word has length 37 [2024-11-28 03:11:32,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:32,844 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 334 transitions. [2024-11-28 03:11:32,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 14 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:11:32,845 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 334 transitions. [2024-11-28 03:11:32,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 03:11:32,846 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:32,846 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:32,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 03:11:33,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-28 03:11:33,047 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:33,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:33,047 INFO L85 PathProgramCache]: Analyzing trace with hash -71462726, now seen corresponding path program 1 times [2024-11-28 03:11:33,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:33,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676685961] [2024-11-28 03:11:33,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:33,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:33,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [455650931] [2024-11-28 03:11:33,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:33,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:33,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:33,082 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:33,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 03:11:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:33,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:11:33,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 03:11:33,414 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:11:33,829 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 03:11:33,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:33,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676685961] [2024-11-28 03:11:33,830 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:11:33,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455650931] [2024-11-28 03:11:33,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455650931] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:11:33,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:11:33,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2024-11-28 03:11:33,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118246771] [2024-11-28 03:11:33,831 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:11:33,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:11:33,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:33,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:11:33,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:11:33,835 INFO L87 Difference]: Start difference. First operand 246 states and 334 transitions. Second operand has 12 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 03:11:35,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:35,234 INFO L93 Difference]: Finished difference Result 431 states and 559 transitions. [2024-11-28 03:11:35,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:11:35,235 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) Word has length 38 [2024-11-28 03:11:35,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:35,238 INFO L225 Difference]: With dead ends: 431 [2024-11-28 03:11:35,239 INFO L226 Difference]: Without dead ends: 428 [2024-11-28 03:11:35,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:11:35,242 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 541 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:35,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 955 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 03:11:35,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-28 03:11:35,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 258. [2024-11-28 03:11:35,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 186 states have (on average 1.6612903225806452) internal successors, (309), 234 states have internal predecessors, (309), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 03:11:35,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 351 transitions. [2024-11-28 03:11:35,291 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 351 transitions. Word has length 38 [2024-11-28 03:11:35,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:35,291 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 351 transitions. [2024-11-28 03:11:35,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 03:11:35,292 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 351 transitions. [2024-11-28 03:11:35,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-28 03:11:35,294 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:35,294 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:35,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-28 03:11:35,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-28 03:11:35,498 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:35,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:35,499 INFO L85 PathProgramCache]: Analyzing trace with hash 2079622866, now seen corresponding path program 1 times [2024-11-28 03:11:35,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:35,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507865420] [2024-11-28 03:11:35,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:35,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:35,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2050055252] [2024-11-28 03:11:35,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:35,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:35,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:35,523 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:35,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 03:11:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:35,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:11:35,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:35,807 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 03:11:35,807 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:11:36,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:36,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507865420] [2024-11-28 03:11:36,338 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:11:36,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050055252] [2024-11-28 03:11:36,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050055252] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:11:36,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:11:36,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 03:11:36,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540550308] [2024-11-28 03:11:36,339 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:11:36,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:11:36,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:36,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:11:36,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:11:36,341 INFO L87 Difference]: Start difference. First operand 258 states and 351 transitions. Second operand has 8 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:11:36,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:36,734 INFO L93 Difference]: Finished difference Result 410 states and 538 transitions. [2024-11-28 03:11:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:11:36,735 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2024-11-28 03:11:36,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:36,737 INFO L225 Difference]: With dead ends: 410 [2024-11-28 03:11:36,737 INFO L226 Difference]: Without dead ends: 407 [2024-11-28 03:11:36,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:11:36,738 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 541 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:36,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 423 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:11:36,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-28 03:11:36,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 342. [2024-11-28 03:11:36,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 261 states have (on average 1.7049808429118773) internal successors, (445), 309 states have internal predecessors, (445), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 03:11:36,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 505 transitions. [2024-11-28 03:11:36,782 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 505 transitions. Word has length 39 [2024-11-28 03:11:36,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:36,782 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 505 transitions. [2024-11-28 03:11:36,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:11:36,783 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 505 transitions. [2024-11-28 03:11:36,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-28 03:11:36,783 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:36,783 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:36,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:36,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 03:11:36,984 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:36,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:36,985 INFO L85 PathProgramCache]: Analyzing trace with hash 43799484, now seen corresponding path program 1 times [2024-11-28 03:11:36,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:36,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119790356] [2024-11-28 03:11:36,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:36,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:37,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [967628688] [2024-11-28 03:11:37,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:37,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:37,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:37,006 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:37,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-28 03:11:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:37,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 03:11:37,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:37,400 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 03:11:37,400 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:11:37,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:37,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119790356] [2024-11-28 03:11:37,741 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:11:37,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967628688] [2024-11-28 03:11:37,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967628688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:11:37,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:11:37,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 03:11:37,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048737246] [2024-11-28 03:11:37,742 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:11:37,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:11:37,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:37,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:11:37,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:11:37,743 INFO L87 Difference]: Start difference. First operand 342 states and 505 transitions. Second operand has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:11:38,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:38,932 INFO L93 Difference]: Finished difference Result 463 states and 649 transitions. [2024-11-28 03:11:38,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:11:38,933 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2024-11-28 03:11:38,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:38,936 INFO L225 Difference]: With dead ends: 463 [2024-11-28 03:11:38,936 INFO L226 Difference]: Without dead ends: 462 [2024-11-28 03:11:38,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:11:38,938 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 313 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:38,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 607 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:11:38,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-28 03:11:39,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 416. [2024-11-28 03:11:39,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 326 states have (on average 1.7239263803680982) internal successors, (562), 374 states have internal predecessors, (562), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 03:11:39,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 640 transitions. [2024-11-28 03:11:39,026 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 640 transitions. Word has length 40 [2024-11-28 03:11:39,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:39,026 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 640 transitions. [2024-11-28 03:11:39,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:11:39,026 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 640 transitions. [2024-11-28 03:11:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-28 03:11:39,027 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:39,027 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:39,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:39,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 03:11:39,228 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:39,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:39,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1358091922, now seen corresponding path program 1 times [2024-11-28 03:11:39,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:39,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905768388] [2024-11-28 03:11:39,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:39,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:39,448 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:11:39,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:39,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905768388] [2024-11-28 03:11:39,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905768388] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:11:39,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877083978] [2024-11-28 03:11:39,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:39,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:39,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:39,451 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:39,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-28 03:11:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:39,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:11:39,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:39,567 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:11:39,567 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:11:39,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877083978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:39,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:11:39,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-28 03:11:39,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085443459] [2024-11-28 03:11:39,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:39,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:11:39,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:39,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:11:39,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:11:39,570 INFO L87 Difference]: Start difference. First operand 416 states and 640 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:40,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:40,108 INFO L93 Difference]: Finished difference Result 600 states and 841 transitions. [2024-11-28 03:11:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:11:40,109 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2024-11-28 03:11:40,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:40,112 INFO L225 Difference]: With dead ends: 600 [2024-11-28 03:11:40,112 INFO L226 Difference]: Without dead ends: 437 [2024-11-28 03:11:40,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:11:40,114 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 154 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:40,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 531 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:11:40,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-28 03:11:40,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 403. [2024-11-28 03:11:40,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.7229299363057324) internal successors, (541), 361 states have internal predecessors, (541), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 03:11:40,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 619 transitions. [2024-11-28 03:11:40,202 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 619 transitions. Word has length 41 [2024-11-28 03:11:40,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:40,203 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 619 transitions. [2024-11-28 03:11:40,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:11:40,203 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 619 transitions. [2024-11-28 03:11:40,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-28 03:11:40,204 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:40,204 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:40,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-28 03:11:40,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-28 03:11:40,405 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:40,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:40,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1357784084, now seen corresponding path program 1 times [2024-11-28 03:11:40,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:40,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730226525] [2024-11-28 03:11:40,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:40,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:40,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1352384483] [2024-11-28 03:11:40,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:40,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:40,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:40,424 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:40,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-28 03:11:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:40,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 03:11:40,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:40,800 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 03:11:40,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:11:41,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:41,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730226525] [2024-11-28 03:11:41,605 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:11:41,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352384483] [2024-11-28 03:11:41,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352384483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:11:41,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:11:41,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 03:11:41,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609493743] [2024-11-28 03:11:41,606 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:11:41,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:11:41,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:41,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:11:41,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:11:41,608 INFO L87 Difference]: Start difference. First operand 403 states and 619 transitions. Second operand has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:11:42,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:42,677 INFO L93 Difference]: Finished difference Result 449 states and 624 transitions. [2024-11-28 03:11:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:11:42,678 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-11-28 03:11:42,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:42,681 INFO L225 Difference]: With dead ends: 449 [2024-11-28 03:11:42,681 INFO L226 Difference]: Without dead ends: 448 [2024-11-28 03:11:42,682 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:11:42,683 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 306 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:42,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 622 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 03:11:42,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-28 03:11:42,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 403. [2024-11-28 03:11:42,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.713375796178344) internal successors, (538), 361 states have internal predecessors, (538), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 03:11:42,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 616 transitions. [2024-11-28 03:11:42,745 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 616 transitions. Word has length 41 [2024-11-28 03:11:42,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:42,745 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 616 transitions. [2024-11-28 03:11:42,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:11:42,746 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 616 transitions. [2024-11-28 03:11:42,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-28 03:11:42,746 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:42,746 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:42,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:42,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:42,947 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:42,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:42,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1977530268, now seen corresponding path program 1 times [2024-11-28 03:11:42,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:42,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353828808] [2024-11-28 03:11:42,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:42,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:42,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [917549422] [2024-11-28 03:11:42,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:42,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:42,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:42,974 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:42,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-28 03:11:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:43,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:11:43,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:43,090 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:11:43,090 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:11:43,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:43,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353828808] [2024-11-28 03:11:43,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:11:43,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917549422] [2024-11-28 03:11:43,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917549422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:43,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:43,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:11:43,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356996453] [2024-11-28 03:11:43,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:43,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:11:43,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:43,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:11:43,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:11:43,092 INFO L87 Difference]: Start difference. First operand 403 states and 616 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 03:11:43,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:43,510 INFO L93 Difference]: Finished difference Result 430 states and 627 transitions. [2024-11-28 03:11:43,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:11:43,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2024-11-28 03:11:43,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:43,514 INFO L225 Difference]: With dead ends: 430 [2024-11-28 03:11:43,514 INFO L226 Difference]: Without dead ends: 429 [2024-11-28 03:11:43,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:11:43,515 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 55 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:43,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 291 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:11:43,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-28 03:11:43,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 403. [2024-11-28 03:11:43,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.7070063694267517) internal successors, (536), 361 states have internal predecessors, (536), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 03:11:43,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 614 transitions. [2024-11-28 03:11:43,579 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 614 transitions. Word has length 42 [2024-11-28 03:11:43,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:43,580 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 614 transitions. [2024-11-28 03:11:43,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 03:11:43,580 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 614 transitions. [2024-11-28 03:11:43,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-28 03:11:43,581 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:43,581 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:43,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-28 03:11:43,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:43,782 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:43,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:43,782 INFO L85 PathProgramCache]: Analyzing trace with hash -858366274, now seen corresponding path program 1 times [2024-11-28 03:11:43,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:43,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143847326] [2024-11-28 03:11:43,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:43,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:43,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1097511637] [2024-11-28 03:11:43,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:43,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:43,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:43,804 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:43,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-28 03:11:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:43,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 03:11:43,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 03:11:44,095 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:11:48,520 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 03:11:48,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:48,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143847326] [2024-11-28 03:11:48,520 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:11:48,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097511637] [2024-11-28 03:11:48,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097511637] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:11:48,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:11:48,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-28 03:11:48,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541366700] [2024-11-28 03:11:48,521 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:11:48,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 03:11:48,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:48,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 03:11:48,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=163, Unknown=1, NotChecked=0, Total=210 [2024-11-28 03:11:48,522 INFO L87 Difference]: Start difference. First operand 403 states and 614 transitions. Second operand has 15 states, 14 states have (on average 3.5) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 03:11:50,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:50,455 INFO L93 Difference]: Finished difference Result 456 states and 626 transitions. [2024-11-28 03:11:50,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:11:50,455 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.5) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 42 [2024-11-28 03:11:50,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:50,458 INFO L225 Difference]: With dead ends: 456 [2024-11-28 03:11:50,458 INFO L226 Difference]: Without dead ends: 451 [2024-11-28 03:11:50,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=71, Invalid=234, Unknown=1, NotChecked=0, Total=306 [2024-11-28 03:11:50,460 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 370 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:50,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 864 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 03:11:50,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-28 03:11:50,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 329. [2024-11-28 03:11:50,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 249 states have (on average 1.6546184738955823) internal successors, (412), 296 states have internal predecessors, (412), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 03:11:50,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 472 transitions. [2024-11-28 03:11:50,515 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 472 transitions. Word has length 42 [2024-11-28 03:11:50,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:50,515 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 472 transitions. [2024-11-28 03:11:50,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.5) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 03:11:50,516 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 472 transitions. [2024-11-28 03:11:50,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-28 03:11:50,516 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:50,517 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:50,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-28 03:11:50,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:50,721 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:50,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:50,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1173896067, now seen corresponding path program 1 times [2024-11-28 03:11:50,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:50,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51841386] [2024-11-28 03:11:50,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:50,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:50,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [140987622] [2024-11-28 03:11:50,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:50,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:50,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:50,740 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:50,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-28 03:11:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:50,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:11:50,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:50,921 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:11:50,922 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:11:50,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:50,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51841386] [2024-11-28 03:11:50,922 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:11:50,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140987622] [2024-11-28 03:11:50,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140987622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:50,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:50,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:11:50,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946255451] [2024-11-28 03:11:50,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:50,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:11:50,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:50,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:11:50,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:11:50,925 INFO L87 Difference]: Start difference. First operand 329 states and 472 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 03:11:51,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:51,238 INFO L93 Difference]: Finished difference Result 357 states and 484 transitions. [2024-11-28 03:11:51,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:11:51,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2024-11-28 03:11:51,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:51,241 INFO L225 Difference]: With dead ends: 357 [2024-11-28 03:11:51,241 INFO L226 Difference]: Without dead ends: 356 [2024-11-28 03:11:51,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:11:51,243 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 90 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:51,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 229 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:11:51,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-28 03:11:51,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 329. [2024-11-28 03:11:51,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 249 states have (on average 1.6465863453815262) internal successors, (410), 296 states have internal predecessors, (410), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 03:11:51,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 470 transitions. [2024-11-28 03:11:51,293 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 470 transitions. Word has length 43 [2024-11-28 03:11:51,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:51,294 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 470 transitions. [2024-11-28 03:11:51,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 03:11:51,294 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 470 transitions. [2024-11-28 03:11:51,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-28 03:11:51,295 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:51,295 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:51,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-28 03:11:51,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-28 03:11:51,496 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:51,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:51,497 INFO L85 PathProgramCache]: Analyzing trace with hash -839550634, now seen corresponding path program 1 times [2024-11-28 03:11:51,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:51,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197059909] [2024-11-28 03:11:51,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:51,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:51,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [275845335] [2024-11-28 03:11:51,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:51,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:51,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:51,519 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:51,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-28 03:11:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:51,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 03:11:51,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 03:11:52,064 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:11:53,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:11:53,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197059909] [2024-11-28 03:11:53,409 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:11:53,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275845335] [2024-11-28 03:11:53,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275845335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:11:53,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:11:53,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 03:11:53,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249513074] [2024-11-28 03:11:53,412 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:11:53,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:11:53,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:11:53,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:11:53,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:11:53,416 INFO L87 Difference]: Start difference. First operand 329 states and 470 transitions. Second operand has 11 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 03:11:54,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:54,476 INFO L93 Difference]: Finished difference Result 439 states and 603 transitions. [2024-11-28 03:11:54,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:11:54,477 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 43 [2024-11-28 03:11:54,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:54,480 INFO L225 Difference]: With dead ends: 439 [2024-11-28 03:11:54,480 INFO L226 Difference]: Without dead ends: 438 [2024-11-28 03:11:54,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2024-11-28 03:11:54,482 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 509 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:54,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 488 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 03:11:54,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-11-28 03:11:54,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 403. [2024-11-28 03:11:54,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.6464968152866242) internal successors, (517), 361 states have internal predecessors, (517), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 03:11:54,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 595 transitions. [2024-11-28 03:11:54,581 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 595 transitions. Word has length 43 [2024-11-28 03:11:54,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:54,581 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 595 transitions. [2024-11-28 03:11:54,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 03:11:54,582 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 595 transitions. [2024-11-28 03:11:54,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-28 03:11:54,582 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:54,583 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:11:54,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-28 03:11:54,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-28 03:11:54,787 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:11:54,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:54,788 INFO L85 PathProgramCache]: Analyzing trace with hash -449944359, now seen corresponding path program 1 times [2024-11-28 03:11:54,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:11:54,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546758489] [2024-11-28 03:11:54,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:54,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:11:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:11:54,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [542157940] [2024-11-28 03:11:54,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:54,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:11:54,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:54,810 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:11:54,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-28 03:11:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:54,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 03:11:54,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:55,211 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 03:11:55,211 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:12:05,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:12:05,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546758489] [2024-11-28 03:12:05,702 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:12:05,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542157940] [2024-11-28 03:12:05,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542157940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:12:05,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:12:05,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 03:12:05,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888667959] [2024-11-28 03:12:05,702 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:12:05,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:12:05,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:12:05,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:12:05,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=212, Unknown=2, NotChecked=0, Total=272 [2024-11-28 03:12:05,704 INFO L87 Difference]: Start difference. First operand 403 states and 595 transitions. Second operand has 11 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 03:12:06,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:12:06,975 INFO L93 Difference]: Finished difference Result 445 states and 608 transitions. [2024-11-28 03:12:06,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:12:06,976 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 49 [2024-11-28 03:12:06,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:12:06,980 INFO L225 Difference]: With dead ends: 445 [2024-11-28 03:12:06,980 INFO L226 Difference]: Without dead ends: 444 [2024-11-28 03:12:06,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=109, Invalid=351, Unknown=2, NotChecked=0, Total=462 [2024-11-28 03:12:06,981 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 626 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:12:06,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 586 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:12:06,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-11-28 03:12:07,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 403. [2024-11-28 03:12:07,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.6369426751592357) internal successors, (514), 361 states have internal predecessors, (514), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 03:12:07,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 592 transitions. [2024-11-28 03:12:07,053 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 592 transitions. Word has length 49 [2024-11-28 03:12:07,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:12:07,054 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 592 transitions. [2024-11-28 03:12:07,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 03:12:07,054 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 592 transitions. [2024-11-28 03:12:07,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-28 03:12:07,055 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:12:07,055 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:12:07,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-28 03:12:07,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-28 03:12:07,259 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:12:07,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:07,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1063373152, now seen corresponding path program 1 times [2024-11-28 03:12:07,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:12:07,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086755863] [2024-11-28 03:12:07,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:07,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:12:07,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [66933427] [2024-11-28 03:12:07,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:07,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:12:07,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:07,287 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:12:07,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-28 03:12:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:07,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 03:12:07,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:07,728 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 03:12:07,729 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:12:24,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:12:24,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086755863] [2024-11-28 03:12:24,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:12:24,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66933427] [2024-11-28 03:12:24,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66933427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:12:24,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:12:24,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 03:12:24,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354020738] [2024-11-28 03:12:24,557 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:12:24,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:12:24,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:12:24,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:12:24,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=216, Unknown=4, NotChecked=0, Total=272 [2024-11-28 03:12:24,559 INFO L87 Difference]: Start difference. First operand 403 states and 592 transitions. Second operand has 11 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 03:12:25,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:12:25,786 INFO L93 Difference]: Finished difference Result 445 states and 605 transitions. [2024-11-28 03:12:25,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:12:25,786 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 50 [2024-11-28 03:12:25,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:12:25,789 INFO L225 Difference]: With dead ends: 445 [2024-11-28 03:12:25,789 INFO L226 Difference]: Without dead ends: 444 [2024-11-28 03:12:25,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 16.8s TimeCoverageRelationStatistics Valid=108, Invalid=350, Unknown=4, NotChecked=0, Total=462 [2024-11-28 03:12:25,791 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 635 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:12:25,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 586 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:12:25,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-11-28 03:12:25,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 403. [2024-11-28 03:12:25,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.627388535031847) internal successors, (511), 361 states have internal predecessors, (511), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 03:12:25,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 589 transitions. [2024-11-28 03:12:25,857 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 589 transitions. Word has length 50 [2024-11-28 03:12:25,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:12:25,857 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 589 transitions. [2024-11-28 03:12:25,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 03:12:25,858 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 589 transitions. [2024-11-28 03:12:25,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 03:12:25,859 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:12:25,859 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:12:25,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-28 03:12:26,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:12:26,063 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:12:26,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:26,064 INFO L85 PathProgramCache]: Analyzing trace with hash 2146453195, now seen corresponding path program 1 times [2024-11-28 03:12:26,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:12:26,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964275149] [2024-11-28 03:12:26,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:26,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:26,326 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-28 03:12:26,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:12:26,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964275149] [2024-11-28 03:12:26,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964275149] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:12:26,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793664889] [2024-11-28 03:12:26,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:26,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:12:26,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:26,329 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:12:26,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-28 03:12:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:26,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:12:26,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:26,579 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:12:26,579 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:12:26,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793664889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:12:26,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:12:26,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-28 03:12:26,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763050560] [2024-11-28 03:12:26,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:12:26,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:12:26,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:12:26,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:12:26,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:12:26,582 INFO L87 Difference]: Start difference. First operand 403 states and 589 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:12:27,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:12:27,067 INFO L93 Difference]: Finished difference Result 430 states and 593 transitions. [2024-11-28 03:12:27,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:12:27,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2024-11-28 03:12:27,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:12:27,070 INFO L225 Difference]: With dead ends: 430 [2024-11-28 03:12:27,070 INFO L226 Difference]: Without dead ends: 429 [2024-11-28 03:12:27,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:12:27,071 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 250 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:12:27,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 265 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:12:27,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-28 03:12:27,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 403. [2024-11-28 03:12:27,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.624203821656051) internal successors, (510), 361 states have internal predecessors, (510), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 03:12:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 588 transitions. [2024-11-28 03:12:27,140 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 588 transitions. Word has length 51 [2024-11-28 03:12:27,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:12:27,140 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 588 transitions. [2024-11-28 03:12:27,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:12:27,141 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 588 transitions. [2024-11-28 03:12:27,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 03:12:27,141 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:12:27,142 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:12:27,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-28 03:12:27,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-28 03:12:27,346 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:12:27,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:27,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1395170747, now seen corresponding path program 1 times [2024-11-28 03:12:27,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:12:27,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532315409] [2024-11-28 03:12:27,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:27,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:12:27,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2000987842] [2024-11-28 03:12:27,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:27,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:12:27,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:27,368 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:12:27,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-28 03:12:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:27,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 03:12:27,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:27,874 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 03:12:27,874 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:12:40,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:12:40,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532315409] [2024-11-28 03:12:40,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:12:40,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000987842] [2024-11-28 03:12:40,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000987842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:12:40,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:12:40,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 03:12:40,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016409663] [2024-11-28 03:12:40,717 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:12:40,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:12:40,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:12:40,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:12:40,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=212, Unknown=3, NotChecked=0, Total=272 [2024-11-28 03:12:40,718 INFO L87 Difference]: Start difference. First operand 403 states and 588 transitions. Second operand has 11 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 03:12:41,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:12:41,955 INFO L93 Difference]: Finished difference Result 451 states and 609 transitions. [2024-11-28 03:12:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:12:41,956 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 51 [2024-11-28 03:12:41,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:12:41,958 INFO L225 Difference]: With dead ends: 451 [2024-11-28 03:12:41,958 INFO L226 Difference]: Without dead ends: 450 [2024-11-28 03:12:41,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=112, Invalid=391, Unknown=3, NotChecked=0, Total=506 [2024-11-28 03:12:41,960 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 579 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:12:41,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 438 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:12:41,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-28 03:12:42,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 393. [2024-11-28 03:12:42,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 305 states have (on average 1.639344262295082) internal successors, (500), 352 states have internal predecessors, (500), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:12:42,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 576 transitions. [2024-11-28 03:12:42,026 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 576 transitions. Word has length 51 [2024-11-28 03:12:42,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:12:42,026 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 576 transitions. [2024-11-28 03:12:42,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 03:12:42,027 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 576 transitions. [2024-11-28 03:12:42,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-28 03:12:42,027 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:12:42,028 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:12:42,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-28 03:12:42,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-28 03:12:42,232 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:12:42,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:42,233 INFO L85 PathProgramCache]: Analyzing trace with hash 2115539711, now seen corresponding path program 1 times [2024-11-28 03:12:42,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:12:42,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736055873] [2024-11-28 03:12:42,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:42,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:12:42,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [151680443] [2024-11-28 03:12:42,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:42,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:12:42,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:42,253 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:12:42,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-28 03:12:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:42,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:12:42,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:12:42,457 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:12:42,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:12:42,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736055873] [2024-11-28 03:12:42,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:12:42,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151680443] [2024-11-28 03:12:42,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151680443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:12:42,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:12:42,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:12:42,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285894240] [2024-11-28 03:12:42,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:12:42,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:12:42,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:12:42,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:12:42,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:12:42,460 INFO L87 Difference]: Start difference. First operand 393 states and 576 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:12:42,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:12:42,957 INFO L93 Difference]: Finished difference Result 420 states and 580 transitions. [2024-11-28 03:12:42,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:12:42,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2024-11-28 03:12:42,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:12:42,959 INFO L225 Difference]: With dead ends: 420 [2024-11-28 03:12:42,959 INFO L226 Difference]: Without dead ends: 419 [2024-11-28 03:12:42,960 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:12:42,960 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 247 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:12:42,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 267 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:12:42,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-11-28 03:12:43,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 393. [2024-11-28 03:12:43,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 305 states have (on average 1.6360655737704919) internal successors, (499), 352 states have internal predecessors, (499), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:12:43,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 575 transitions. [2024-11-28 03:12:43,028 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 575 transitions. Word has length 52 [2024-11-28 03:12:43,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:12:43,028 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 575 transitions. [2024-11-28 03:12:43,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:12:43,029 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 575 transitions. [2024-11-28 03:12:43,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-28 03:12:43,029 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:12:43,029 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:12:43,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-28 03:12:43,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-28 03:12:43,230 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:12:43,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:43,230 INFO L85 PathProgramCache]: Analyzing trace with hash 300620290, now seen corresponding path program 1 times [2024-11-28 03:12:43,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:12:43,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718896547] [2024-11-28 03:12:43,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:43,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:12:43,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1488437849] [2024-11-28 03:12:43,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:43,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:12:43,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:43,250 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:12:43,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-28 03:12:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:43,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 03:12:43,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:43,698 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 03:12:43,698 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:12:44,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:12:44,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718896547] [2024-11-28 03:12:44,461 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:12:44,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488437849] [2024-11-28 03:12:44,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488437849] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:12:44,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:12:44,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 03:12:44,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421939466] [2024-11-28 03:12:44,461 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:12:44,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:12:44,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:12:44,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:12:44,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:12:44,463 INFO L87 Difference]: Start difference. First operand 393 states and 575 transitions. Second operand has 11 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 03:12:45,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:12:45,699 INFO L93 Difference]: Finished difference Result 441 states and 596 transitions. [2024-11-28 03:12:45,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:12:45,699 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 52 [2024-11-28 03:12:45,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:12:45,702 INFO L225 Difference]: With dead ends: 441 [2024-11-28 03:12:45,702 INFO L226 Difference]: Without dead ends: 440 [2024-11-28 03:12:45,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2024-11-28 03:12:45,703 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 383 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:12:45,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 474 Invalid, 968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 944 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:12:45,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-28 03:12:45,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 393. [2024-11-28 03:12:45,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 305 states have (on average 1.6295081967213114) internal successors, (497), 352 states have internal predecessors, (497), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:12:45,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 573 transitions. [2024-11-28 03:12:45,764 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 573 transitions. Word has length 52 [2024-11-28 03:12:45,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:12:45,765 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 573 transitions. [2024-11-28 03:12:45,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 03:12:45,765 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 573 transitions. [2024-11-28 03:12:45,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-28 03:12:45,766 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:12:45,766 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:12:45,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-28 03:12:45,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-28 03:12:45,970 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:12:45,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:45,971 INFO L85 PathProgramCache]: Analyzing trace with hash 729294493, now seen corresponding path program 1 times [2024-11-28 03:12:45,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:12:45,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181779342] [2024-11-28 03:12:45,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:45,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:12:45,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1506427232] [2024-11-28 03:12:45,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:45,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:12:45,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:46,000 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:12:46,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-28 03:12:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:46,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-28 03:12:46,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 03:12:46,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:12:46,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:12:46,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181779342] [2024-11-28 03:12:46,894 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:12:46,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506427232] [2024-11-28 03:12:46,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506427232] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:12:46,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:12:46,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-28 03:12:46,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079612134] [2024-11-28 03:12:46,895 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:12:46,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 03:12:46,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:12:46,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 03:12:46,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:12:46,897 INFO L87 Difference]: Start difference. First operand 393 states and 573 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-28 03:12:48,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:12:48,194 INFO L93 Difference]: Finished difference Result 439 states and 592 transitions. [2024-11-28 03:12:48,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:12:48,195 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 53 [2024-11-28 03:12:48,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:12:48,197 INFO L225 Difference]: With dead ends: 439 [2024-11-28 03:12:48,197 INFO L226 Difference]: Without dead ends: 438 [2024-11-28 03:12:48,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:12:48,198 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 324 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:12:48,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 646 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 03:12:48,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-11-28 03:12:48,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 393. [2024-11-28 03:12:48,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 305 states have (on average 1.6229508196721312) internal successors, (495), 352 states have internal predecessors, (495), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:12:48,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 571 transitions. [2024-11-28 03:12:48,271 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 571 transitions. Word has length 53 [2024-11-28 03:12:48,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:12:48,271 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 571 transitions. [2024-11-28 03:12:48,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-28 03:12:48,272 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 571 transitions. [2024-11-28 03:12:48,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-28 03:12:48,272 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:12:48,273 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:12:48,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-28 03:12:48,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:12:48,477 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:12:48,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:48,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1133292900, now seen corresponding path program 1 times [2024-11-28 03:12:48,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:12:48,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854079707] [2024-11-28 03:12:48,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:48,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:12:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:12:48,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1173772108] [2024-11-28 03:12:48,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:48,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:12:48,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:12:48,503 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:12:48,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-28 03:12:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:48,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-28 03:12:48,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:12:49,259 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 03:12:49,259 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:12:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 03:12:54,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:12:54,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854079707] [2024-11-28 03:12:54,289 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:12:54,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173772108] [2024-11-28 03:12:54,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173772108] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:12:54,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:12:54,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-28 03:12:54,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575020973] [2024-11-28 03:12:54,290 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:12:54,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 03:12:54,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:12:54,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 03:12:54,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2024-11-28 03:12:54,291 INFO L87 Difference]: Start difference. First operand 393 states and 571 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-28 03:13:04,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:13:08,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:13:12,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:13:18,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:13:22,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:13:27,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:13:32,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:13:36,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:13:40,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:13:44,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:13:48,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:13:53,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:13:57,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:13:57,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:13:57,705 INFO L93 Difference]: Finished difference Result 456 states and 610 transitions. [2024-11-28 03:13:57,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-28 03:13:57,706 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 54 [2024-11-28 03:13:57,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:13:57,708 INFO L225 Difference]: With dead ends: 456 [2024-11-28 03:13:57,708 INFO L226 Difference]: Without dead ends: 455 [2024-11-28 03:13:57,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=269, Invalid=989, Unknown=2, NotChecked=0, Total=1260 [2024-11-28 03:13:57,709 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 910 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 102 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 910 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:13:57,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [910 Valid, 452 Invalid, 1487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1372 Invalid, 13 Unknown, 0 Unchecked, 58.0s Time] [2024-11-28 03:13:57,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-28 03:13:57,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 399. [2024-11-28 03:13:57,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 311 states have (on average 1.6109324758842443) internal successors, (501), 358 states have internal predecessors, (501), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:13:57,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 577 transitions. [2024-11-28 03:13:57,793 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 577 transitions. Word has length 54 [2024-11-28 03:13:57,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:13:57,793 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 577 transitions. [2024-11-28 03:13:57,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-28 03:13:57,793 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 577 transitions. [2024-11-28 03:13:57,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-28 03:13:57,794 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:13:57,794 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:13:57,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-28 03:13:57,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-28 03:13:57,995 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:13:57,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:13:57,995 INFO L85 PathProgramCache]: Analyzing trace with hash 497762000, now seen corresponding path program 1 times [2024-11-28 03:13:57,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:13:57,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965404283] [2024-11-28 03:13:57,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:13:57,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:13:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:13:58,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [625275550] [2024-11-28 03:13:58,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:13:58,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:13:58,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:58,011 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:13:58,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-28 03:13:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:13:58,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:13:58,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:13:58,242 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 03:13:58,242 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:13:58,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:13:58,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965404283] [2024-11-28 03:13:58,242 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:13:58,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625275550] [2024-11-28 03:13:58,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625275550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:13:58,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:13:58,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:13:58,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359993416] [2024-11-28 03:13:58,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:13:58,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:13:58,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:13:58,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:13:58,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:13:58,244 INFO L87 Difference]: Start difference. First operand 399 states and 577 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 03:13:58,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:13:58,687 INFO L93 Difference]: Finished difference Result 474 states and 665 transitions. [2024-11-28 03:13:58,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:13:58,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 58 [2024-11-28 03:13:58,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:13:58,690 INFO L225 Difference]: With dead ends: 474 [2024-11-28 03:13:58,690 INFO L226 Difference]: Without dead ends: 471 [2024-11-28 03:13:58,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:13:58,691 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 209 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:13:58,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 199 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:13:58,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-28 03:13:58,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 453. [2024-11-28 03:13:58,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 357 states have (on average 1.5658263305322129) internal successors, (559), 404 states have internal predecessors, (559), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 03:13:58,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 651 transitions. [2024-11-28 03:13:58,769 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 651 transitions. Word has length 58 [2024-11-28 03:13:58,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:13:58,769 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 651 transitions. [2024-11-28 03:13:58,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 03:13:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 651 transitions. [2024-11-28 03:13:58,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-28 03:13:58,770 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:13:58,770 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:13:58,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-28 03:13:58,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-28 03:13:58,971 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:13:58,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:13:58,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1749247073, now seen corresponding path program 1 times [2024-11-28 03:13:58,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:13:58,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685308362] [2024-11-28 03:13:58,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:13:58,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:13:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:13:58,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [106800747] [2024-11-28 03:13:58,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:13:58,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:13:58,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:58,990 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:13:58,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-28 03:13:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:13:59,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:13:59,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:13:59,271 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 03:13:59,272 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:13:59,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:13:59,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685308362] [2024-11-28 03:13:59,272 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:13:59,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106800747] [2024-11-28 03:13:59,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106800747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:13:59,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:13:59,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:13:59,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543083307] [2024-11-28 03:13:59,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:13:59,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:13:59,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:13:59,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:13:59,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:13:59,274 INFO L87 Difference]: Start difference. First operand 453 states and 651 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 03:13:59,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:13:59,892 INFO L93 Difference]: Finished difference Result 472 states and 659 transitions. [2024-11-28 03:13:59,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:13:59,893 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 59 [2024-11-28 03:13:59,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:13:59,895 INFO L225 Difference]: With dead ends: 472 [2024-11-28 03:13:59,895 INFO L226 Difference]: Without dead ends: 471 [2024-11-28 03:13:59,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:13:59,895 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 193 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:13:59,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 270 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:13:59,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-28 03:13:59,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 453. [2024-11-28 03:13:59,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 357 states have (on average 1.5602240896358543) internal successors, (557), 404 states have internal predecessors, (557), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 03:13:59,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 649 transitions. [2024-11-28 03:13:59,992 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 649 transitions. Word has length 59 [2024-11-28 03:13:59,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:13:59,997 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 649 transitions. [2024-11-28 03:13:59,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 03:13:59,997 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 649 transitions. [2024-11-28 03:13:59,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-28 03:13:59,998 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:13:59,998 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:00,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-28 03:14:00,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:00,199 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:00,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:00,200 INFO L85 PathProgramCache]: Analyzing trace with hash 332224690, now seen corresponding path program 1 times [2024-11-28 03:14:00,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:00,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883572928] [2024-11-28 03:14:00,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:00,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:00,726 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-28 03:14:00,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:00,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883572928] [2024-11-28 03:14:00,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883572928] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:14:00,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323061426] [2024-11-28 03:14:00,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:00,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:00,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:00,729 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:00,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-28 03:14:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:00,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:14:00,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:01,132 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:14:01,132 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:14:01,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323061426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:01,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:14:01,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-11-28 03:14:01,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683280838] [2024-11-28 03:14:01,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:01,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:14:01,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:01,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:14:01,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:14:01,134 INFO L87 Difference]: Start difference. First operand 453 states and 649 transitions. Second operand has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:14:02,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:02,085 INFO L93 Difference]: Finished difference Result 507 states and 658 transitions. [2024-11-28 03:14:02,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:14:02,086 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 62 [2024-11-28 03:14:02,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:02,089 INFO L225 Difference]: With dead ends: 507 [2024-11-28 03:14:02,089 INFO L226 Difference]: Without dead ends: 506 [2024-11-28 03:14:02,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2024-11-28 03:14:02,090 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 393 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:02,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 566 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:14:02,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-11-28 03:14:02,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 453. [2024-11-28 03:14:02,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 357 states have (on average 1.557422969187675) internal successors, (556), 404 states have internal predecessors, (556), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 03:14:02,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 648 transitions. [2024-11-28 03:14:02,185 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 648 transitions. Word has length 62 [2024-11-28 03:14:02,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:02,185 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 648 transitions. [2024-11-28 03:14:02,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:14:02,186 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 648 transitions. [2024-11-28 03:14:02,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-28 03:14:02,186 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:02,187 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:02,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-28 03:14:02,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-28 03:14:02,391 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:02,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:02,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1709030904, now seen corresponding path program 1 times [2024-11-28 03:14:02,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:02,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214779629] [2024-11-28 03:14:02,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:02,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:14:02,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [587841328] [2024-11-28 03:14:02,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:02,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:02,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:02,418 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:02,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-28 03:14:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:02,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:14:02,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:14:02,687 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:14:02,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:02,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214779629] [2024-11-28 03:14:02,735 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:14:02,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587841328] [2024-11-28 03:14:02,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587841328] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:14:02,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:14:02,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-28 03:14:02,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712634133] [2024-11-28 03:14:02,736 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:14:02,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:14:02,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:02,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:14:02,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:14:02,737 INFO L87 Difference]: Start difference. First operand 453 states and 648 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 03:14:03,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:03,446 INFO L93 Difference]: Finished difference Result 493 states and 660 transitions. [2024-11-28 03:14:03,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 03:14:03,446 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 63 [2024-11-28 03:14:03,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:03,449 INFO L225 Difference]: With dead ends: 493 [2024-11-28 03:14:03,449 INFO L226 Difference]: Without dead ends: 492 [2024-11-28 03:14:03,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:14:03,450 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 340 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:03,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 317 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:14:03,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-11-28 03:14:03,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 453. [2024-11-28 03:14:03,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 357 states have (on average 1.5490196078431373) internal successors, (553), 404 states have internal predecessors, (553), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 03:14:03,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 645 transitions. [2024-11-28 03:14:03,528 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 645 transitions. Word has length 63 [2024-11-28 03:14:03,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:03,529 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 645 transitions. [2024-11-28 03:14:03,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 03:14:03,529 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 645 transitions. [2024-11-28 03:14:03,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-28 03:14:03,530 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:03,530 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:03,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-28 03:14:03,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:03,731 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:03,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:03,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1317535503, now seen corresponding path program 1 times [2024-11-28 03:14:03,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:03,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395035885] [2024-11-28 03:14:03,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:03,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:03,837 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:14:03,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:03,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395035885] [2024-11-28 03:14:03,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395035885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:03,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:03,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:14:03,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066009756] [2024-11-28 03:14:03,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:03,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:14:03,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:03,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:14:03,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:14:03,839 INFO L87 Difference]: Start difference. First operand 453 states and 645 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 03:14:04,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:04,619 INFO L93 Difference]: Finished difference Result 475 states and 657 transitions. [2024-11-28 03:14:04,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:14:04,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 65 [2024-11-28 03:14:04,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:04,622 INFO L225 Difference]: With dead ends: 475 [2024-11-28 03:14:04,622 INFO L226 Difference]: Without dead ends: 473 [2024-11-28 03:14:04,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:14:04,624 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 221 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:04,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 268 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:14:04,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-28 03:14:04,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 455. [2024-11-28 03:14:04,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 359 states have (on average 1.5403899721448469) internal successors, (553), 406 states have internal predecessors, (553), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 03:14:04,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 645 transitions. [2024-11-28 03:14:04,720 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 645 transitions. Word has length 65 [2024-11-28 03:14:04,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:04,721 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 645 transitions. [2024-11-28 03:14:04,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 03:14:04,721 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 645 transitions. [2024-11-28 03:14:04,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-28 03:14:04,722 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:04,722 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:04,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-28 03:14:04,723 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:04,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:04,723 INFO L85 PathProgramCache]: Analyzing trace with hash 2106072483, now seen corresponding path program 1 times [2024-11-28 03:14:04,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:04,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670257935] [2024-11-28 03:14:04,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:04,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:04,851 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:14:04,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:04,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670257935] [2024-11-28 03:14:04,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670257935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:04,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:04,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:14:04,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605310128] [2024-11-28 03:14:04,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:04,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:14:04,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:04,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:14:04,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:14:04,853 INFO L87 Difference]: Start difference. First operand 455 states and 645 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:14:05,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:05,721 INFO L93 Difference]: Finished difference Result 484 states and 653 transitions. [2024-11-28 03:14:05,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:14:05,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 66 [2024-11-28 03:14:05,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:05,724 INFO L225 Difference]: With dead ends: 484 [2024-11-28 03:14:05,724 INFO L226 Difference]: Without dead ends: 482 [2024-11-28 03:14:05,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:14:05,727 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 303 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:05,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 391 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:14:05,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-28 03:14:05,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 455. [2024-11-28 03:14:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 359 states have (on average 1.5348189415041782) internal successors, (551), 406 states have internal predecessors, (551), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 03:14:05,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 643 transitions. [2024-11-28 03:14:05,821 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 643 transitions. Word has length 66 [2024-11-28 03:14:05,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:05,821 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 643 transitions. [2024-11-28 03:14:05,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:14:05,821 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 643 transitions. [2024-11-28 03:14:05,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-28 03:14:05,822 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:05,822 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:05,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-28 03:14:05,823 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:05,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:05,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1006063570, now seen corresponding path program 1 times [2024-11-28 03:14:05,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:05,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068040139] [2024-11-28 03:14:05,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:05,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:05,907 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:14:05,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:05,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068040139] [2024-11-28 03:14:05,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068040139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:05,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:05,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:14:05,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87777892] [2024-11-28 03:14:05,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:05,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:14:05,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:05,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:14:05,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:05,910 INFO L87 Difference]: Start difference. First operand 455 states and 643 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:14:06,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:06,157 INFO L93 Difference]: Finished difference Result 629 states and 914 transitions. [2024-11-28 03:14:06,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:14:06,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 68 [2024-11-28 03:14:06,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:06,161 INFO L225 Difference]: With dead ends: 629 [2024-11-28 03:14:06,161 INFO L226 Difference]: Without dead ends: 628 [2024-11-28 03:14:06,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:14:06,164 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 22 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:06,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 216 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:14:06,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2024-11-28 03:14:06,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 583. [2024-11-28 03:14:06,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 465 states have (on average 1.5376344086021505) internal successors, (715), 512 states have internal predecessors, (715), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-28 03:14:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 851 transitions. [2024-11-28 03:14:06,313 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 851 transitions. Word has length 68 [2024-11-28 03:14:06,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:06,314 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 851 transitions. [2024-11-28 03:14:06,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:14:06,314 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 851 transitions. [2024-11-28 03:14:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-28 03:14:06,314 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:06,315 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:06,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-28 03:14:06,315 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:06,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:06,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1123199734, now seen corresponding path program 1 times [2024-11-28 03:14:06,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:06,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643547299] [2024-11-28 03:14:06,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:06,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:06,450 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:14:06,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:06,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643547299] [2024-11-28 03:14:06,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643547299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:06,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:06,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:14:06,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876499930] [2024-11-28 03:14:06,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:06,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:14:06,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:06,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:14:06,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:14:06,453 INFO L87 Difference]: Start difference. First operand 583 states and 851 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:14:07,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:07,259 INFO L93 Difference]: Finished difference Result 599 states and 851 transitions. [2024-11-28 03:14:07,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:14:07,260 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 69 [2024-11-28 03:14:07,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:07,261 INFO L225 Difference]: With dead ends: 599 [2024-11-28 03:14:07,261 INFO L226 Difference]: Without dead ends: 598 [2024-11-28 03:14:07,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:14:07,262 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 198 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:07,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 342 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:14:07,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-11-28 03:14:07,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 583. [2024-11-28 03:14:07,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 465 states have (on average 1.5354838709677419) internal successors, (714), 512 states have internal predecessors, (714), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-28 03:14:07,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 850 transitions. [2024-11-28 03:14:07,386 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 850 transitions. Word has length 69 [2024-11-28 03:14:07,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:07,386 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 850 transitions. [2024-11-28 03:14:07,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:14:07,387 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 850 transitions. [2024-11-28 03:14:07,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-28 03:14:07,388 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:07,388 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:07,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-28 03:14:07,388 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:07,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:07,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1755804919, now seen corresponding path program 1 times [2024-11-28 03:14:07,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:07,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128473069] [2024-11-28 03:14:07,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:07,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:14:07,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1114035219] [2024-11-28 03:14:07,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:07,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:07,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:07,417 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:07,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-28 03:14:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:07,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:14:07,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:07,804 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 03:14:07,804 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:14:08,163 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 03:14:08,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:08,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128473069] [2024-11-28 03:14:08,163 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:14:08,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114035219] [2024-11-28 03:14:08,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114035219] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:14:08,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:14:08,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-28 03:14:08,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170651880] [2024-11-28 03:14:08,164 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:14:08,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:14:08,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:08,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:14:08,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:14:08,167 INFO L87 Difference]: Start difference. First operand 583 states and 850 transitions. Second operand has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 12 states have internal predecessors, (73), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-28 03:14:10,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:10,455 INFO L93 Difference]: Finished difference Result 864 states and 1191 transitions. [2024-11-28 03:14:10,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:14:10,456 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 12 states have internal predecessors, (73), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 69 [2024-11-28 03:14:10,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:10,459 INFO L225 Difference]: With dead ends: 864 [2024-11-28 03:14:10,459 INFO L226 Difference]: Without dead ends: 861 [2024-11-28 03:14:10,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=184, Invalid=416, Unknown=0, NotChecked=0, Total=600 [2024-11-28 03:14:10,460 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 656 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:10,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 844 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 03:14:10,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2024-11-28 03:14:10,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 631. [2024-11-28 03:14:10,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 507 states have (on average 1.5029585798816567) internal successors, (762), 554 states have internal predecessors, (762), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-28 03:14:10,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 910 transitions. [2024-11-28 03:14:10,623 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 910 transitions. Word has length 69 [2024-11-28 03:14:10,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:10,624 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 910 transitions. [2024-11-28 03:14:10,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 12 states have internal predecessors, (73), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-28 03:14:10,624 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 910 transitions. [2024-11-28 03:14:10,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-28 03:14:10,625 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:10,625 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:10,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-28 03:14:10,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-28 03:14:10,826 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:10,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:10,826 INFO L85 PathProgramCache]: Analyzing trace with hash 459453524, now seen corresponding path program 1 times [2024-11-28 03:14:10,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:10,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288297037] [2024-11-28 03:14:10,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:10,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:14:10,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:10,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288297037] [2024-11-28 03:14:10,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288297037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:10,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:10,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:14:10,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469641570] [2024-11-28 03:14:10,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:10,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:14:10,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:10,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:14:10,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:14:10,920 INFO L87 Difference]: Start difference. First operand 631 states and 910 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:14:11,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:11,314 INFO L93 Difference]: Finished difference Result 702 states and 976 transitions. [2024-11-28 03:14:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:14:11,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 70 [2024-11-28 03:14:11,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:11,317 INFO L225 Difference]: With dead ends: 702 [2024-11-28 03:14:11,318 INFO L226 Difference]: Without dead ends: 698 [2024-11-28 03:14:11,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:14:11,318 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 77 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:11,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 301 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:14:11,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-28 03:14:11,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 651. [2024-11-28 03:14:11,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 527 states have (on average 1.4895635673624288) internal successors, (785), 574 states have internal predecessors, (785), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-28 03:14:11,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 933 transitions. [2024-11-28 03:14:11,480 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 933 transitions. Word has length 70 [2024-11-28 03:14:11,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:11,480 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 933 transitions. [2024-11-28 03:14:11,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:14:11,480 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 933 transitions. [2024-11-28 03:14:11,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-28 03:14:11,481 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:11,482 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:11,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-28 03:14:11,482 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:11,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:11,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1404622470, now seen corresponding path program 1 times [2024-11-28 03:14:11,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:11,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298587109] [2024-11-28 03:14:11,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:11,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:14:11,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1635304016] [2024-11-28 03:14:11,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:11,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:11,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:11,507 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:11,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-28 03:14:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:11,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:14:11,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:11,854 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 03:14:11,854 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:14:12,382 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 03:14:12,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:12,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298587109] [2024-11-28 03:14:12,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:14:12,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635304016] [2024-11-28 03:14:12,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635304016] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:14:12,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:14:12,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-28 03:14:12,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500840327] [2024-11-28 03:14:12,384 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:14:12,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:14:12,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:12,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:14:12,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:14:12,385 INFO L87 Difference]: Start difference. First operand 651 states and 933 transitions. Second operand has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 12 states have internal predecessors, (75), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-28 03:14:14,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:14,595 INFO L93 Difference]: Finished difference Result 912 states and 1201 transitions. [2024-11-28 03:14:14,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-28 03:14:14,595 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 12 states have internal predecessors, (75), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 70 [2024-11-28 03:14:14,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:14,598 INFO L225 Difference]: With dead ends: 912 [2024-11-28 03:14:14,598 INFO L226 Difference]: Without dead ends: 909 [2024-11-28 03:14:14,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=385, Invalid=1021, Unknown=0, NotChecked=0, Total=1406 [2024-11-28 03:14:14,599 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 1170 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:14,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 570 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 03:14:14,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2024-11-28 03:14:14,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 793. [2024-11-28 03:14:14,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 651 states have (on average 1.4746543778801844) internal successors, (960), 698 states have internal predecessors, (960), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-28 03:14:14,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1144 transitions. [2024-11-28 03:14:14,753 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1144 transitions. Word has length 70 [2024-11-28 03:14:14,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:14,753 INFO L471 AbstractCegarLoop]: Abstraction has 793 states and 1144 transitions. [2024-11-28 03:14:14,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 12 states have internal predecessors, (75), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-28 03:14:14,754 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1144 transitions. [2024-11-28 03:14:14,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-28 03:14:14,754 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:14,754 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:14,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-28 03:14:14,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-28 03:14:14,955 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:14,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:14,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1704997528, now seen corresponding path program 1 times [2024-11-28 03:14:14,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:14,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27581431] [2024-11-28 03:14:14,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:14,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:14:15,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:15,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27581431] [2024-11-28 03:14:15,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27581431] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:14:15,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845418410] [2024-11-28 03:14:15,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:15,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:15,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:15,123 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:15,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-28 03:14:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:15,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:14:15,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:15,376 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:14:15,377 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:14:15,734 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:14:15,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845418410] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:14:15,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:14:15,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-28 03:14:15,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025588204] [2024-11-28 03:14:15,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:14:15,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:14:15,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:15,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:14:15,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:14:15,736 INFO L87 Difference]: Start difference. First operand 793 states and 1144 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-28 03:14:17,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:17,643 INFO L93 Difference]: Finished difference Result 1078 states and 1505 transitions. [2024-11-28 03:14:17,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 03:14:17,644 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 76 [2024-11-28 03:14:17,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:17,654 INFO L225 Difference]: With dead ends: 1078 [2024-11-28 03:14:17,654 INFO L226 Difference]: Without dead ends: 1076 [2024-11-28 03:14:17,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-11-28 03:14:17,659 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 596 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:17,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 719 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 03:14:17,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2024-11-28 03:14:17,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 796. [2024-11-28 03:14:17,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 653 states have (on average 1.448698315467075) internal successors, (946), 699 states have internal predecessors, (946), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-28 03:14:17,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1134 transitions. [2024-11-28 03:14:17,866 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1134 transitions. Word has length 76 [2024-11-28 03:14:17,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:17,866 INFO L471 AbstractCegarLoop]: Abstraction has 796 states and 1134 transitions. [2024-11-28 03:14:17,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-28 03:14:17,866 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1134 transitions. [2024-11-28 03:14:17,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-28 03:14:17,867 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:17,867 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:17,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-28 03:14:18,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-28 03:14:18,068 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:18,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:18,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1315315932, now seen corresponding path program 1 times [2024-11-28 03:14:18,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:18,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677054602] [2024-11-28 03:14:18,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:18,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:18,228 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:14:18,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:18,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677054602] [2024-11-28 03:14:18,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677054602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:18,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:18,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:14:18,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712221060] [2024-11-28 03:14:18,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:18,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:14:18,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:18,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:14:18,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:14:18,231 INFO L87 Difference]: Start difference. First operand 796 states and 1134 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 03:14:19,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:19,463 INFO L93 Difference]: Finished difference Result 823 states and 1140 transitions. [2024-11-28 03:14:19,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 03:14:19,464 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 77 [2024-11-28 03:14:19,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:19,470 INFO L225 Difference]: With dead ends: 823 [2024-11-28 03:14:19,470 INFO L226 Difference]: Without dead ends: 821 [2024-11-28 03:14:19,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:14:19,471 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 260 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:19,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 400 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:14:19,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-11-28 03:14:19,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 796. [2024-11-28 03:14:19,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 653 states have (on average 1.430321592649311) internal successors, (934), 699 states have internal predecessors, (934), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-28 03:14:19,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1122 transitions. [2024-11-28 03:14:19,596 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1122 transitions. Word has length 77 [2024-11-28 03:14:19,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:19,596 INFO L471 AbstractCegarLoop]: Abstraction has 796 states and 1122 transitions. [2024-11-28 03:14:19,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 03:14:19,596 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1122 transitions. [2024-11-28 03:14:19,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-28 03:14:19,598 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:19,598 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:19,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-28 03:14:19,598 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:19,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:19,599 INFO L85 PathProgramCache]: Analyzing trace with hash -86846964, now seen corresponding path program 1 times [2024-11-28 03:14:19,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:19,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866020465] [2024-11-28 03:14:19,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:19,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:14:19,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [871622182] [2024-11-28 03:14:19,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:19,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:19,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:19,620 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:19,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-28 03:14:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:19,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:14:19,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:20,177 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:14:20,177 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:14:20,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:20,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866020465] [2024-11-28 03:14:20,177 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:14:20,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871622182] [2024-11-28 03:14:20,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871622182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:20,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:20,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:14:20,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013872533] [2024-11-28 03:14:20,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:20,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:14:20,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:20,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:14:20,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:14:20,179 INFO L87 Difference]: Start difference. First operand 796 states and 1122 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:14:20,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:20,835 INFO L93 Difference]: Finished difference Result 821 states and 1129 transitions. [2024-11-28 03:14:20,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:14:20,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2024-11-28 03:14:20,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:20,840 INFO L225 Difference]: With dead ends: 821 [2024-11-28 03:14:20,840 INFO L226 Difference]: Without dead ends: 818 [2024-11-28 03:14:20,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:14:20,841 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 67 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:20,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 479 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:14:20,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2024-11-28 03:14:20,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 796. [2024-11-28 03:14:20,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 653 states have (on average 1.4241960183767228) internal successors, (930), 699 states have internal predecessors, (930), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-28 03:14:20,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1118 transitions. [2024-11-28 03:14:21,000 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1118 transitions. Word has length 78 [2024-11-28 03:14:21,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:21,000 INFO L471 AbstractCegarLoop]: Abstraction has 796 states and 1118 transitions. [2024-11-28 03:14:21,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:14:21,000 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1118 transitions. [2024-11-28 03:14:21,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-28 03:14:21,001 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:21,001 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:21,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-28 03:14:21,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-28 03:14:21,202 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:21,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:21,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1602711568, now seen corresponding path program 1 times [2024-11-28 03:14:21,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:21,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703713364] [2024-11-28 03:14:21,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:21,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:14:21,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [118946958] [2024-11-28 03:14:21,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:21,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:21,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:21,227 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:21,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-28 03:14:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:21,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:14:21,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:21,709 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:14:21,709 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:14:22,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:22,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703713364] [2024-11-28 03:14:22,010 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:14:22,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118946958] [2024-11-28 03:14:22,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118946958] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:14:22,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:14:22,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-28 03:14:22,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278359099] [2024-11-28 03:14:22,010 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:14:22,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:14:22,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:22,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:14:22,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:14:22,011 INFO L87 Difference]: Start difference. First operand 796 states and 1118 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:14:22,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:22,561 INFO L93 Difference]: Finished difference Result 920 states and 1257 transitions. [2024-11-28 03:14:22,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:14:22,561 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 79 [2024-11-28 03:14:22,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:22,564 INFO L225 Difference]: With dead ends: 920 [2024-11-28 03:14:22,565 INFO L226 Difference]: Without dead ends: 919 [2024-11-28 03:14:22,565 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:14:22,565 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 166 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:22,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 370 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:14:22,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2024-11-28 03:14:22,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 804. [2024-11-28 03:14:22,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 661 states have (on average 1.420574886535552) internal successors, (939), 707 states have internal predecessors, (939), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-28 03:14:22,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1127 transitions. [2024-11-28 03:14:22,710 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1127 transitions. Word has length 79 [2024-11-28 03:14:22,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:22,710 INFO L471 AbstractCegarLoop]: Abstraction has 804 states and 1127 transitions. [2024-11-28 03:14:22,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:14:22,710 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1127 transitions. [2024-11-28 03:14:22,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 03:14:22,711 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:22,711 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:22,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-28 03:14:22,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:22,912 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:22,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:22,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1590407453, now seen corresponding path program 1 times [2024-11-28 03:14:22,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:22,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092404572] [2024-11-28 03:14:22,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:22,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:23,071 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:14:23,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:23,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092404572] [2024-11-28 03:14:23,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092404572] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:14:23,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763685067] [2024-11-28 03:14:23,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:23,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:23,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:23,075 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:23,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-28 03:14:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:23,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:14:23,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:23,419 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:14:23,419 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:14:23,860 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:14:23,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763685067] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:14:23,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:14:23,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 15 [2024-11-28 03:14:23,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290185652] [2024-11-28 03:14:23,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:14:23,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 03:14:23,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:23,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 03:14:23,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:14:23,863 INFO L87 Difference]: Start difference. First operand 804 states and 1127 transitions. Second operand has 16 states, 15 states have (on average 8.133333333333333) internal successors, (122), 16 states have internal predecessors, (122), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-28 03:14:25,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:25,457 INFO L93 Difference]: Finished difference Result 823 states and 1134 transitions. [2024-11-28 03:14:25,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-28 03:14:25,458 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.133333333333333) internal successors, (122), 16 states have internal predecessors, (122), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 80 [2024-11-28 03:14:25,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:25,462 INFO L225 Difference]: With dead ends: 823 [2024-11-28 03:14:25,462 INFO L226 Difference]: Without dead ends: 820 [2024-11-28 03:14:25,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=404, Invalid=1002, Unknown=0, NotChecked=0, Total=1406 [2024-11-28 03:14:25,464 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 545 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:25,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 369 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:14:25,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2024-11-28 03:14:25,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 802. [2024-11-28 03:14:25,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 661 states have (on average 1.3978819969742813) internal successors, (924), 705 states have internal predecessors, (924), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-28 03:14:25,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1112 transitions. [2024-11-28 03:14:25,700 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1112 transitions. Word has length 80 [2024-11-28 03:14:25,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:25,700 INFO L471 AbstractCegarLoop]: Abstraction has 802 states and 1112 transitions. [2024-11-28 03:14:25,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.133333333333333) internal successors, (122), 16 states have internal predecessors, (122), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-28 03:14:25,701 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1112 transitions. [2024-11-28 03:14:25,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-28 03:14:25,702 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:25,702 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:25,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-28 03:14:25,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:25,906 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:25,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:25,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1687437358, now seen corresponding path program 1 times [2024-11-28 03:14:25,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:25,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327098699] [2024-11-28 03:14:25,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:25,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:14:25,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1649094903] [2024-11-28 03:14:25,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:25,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:25,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:25,928 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:25,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-28 03:14:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:26,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:14:26,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:26,634 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:14:26,634 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:14:26,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:26,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327098699] [2024-11-28 03:14:26,634 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:14:26,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649094903] [2024-11-28 03:14:26,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649094903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:14:26,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:14:26,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:14:26,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200183663] [2024-11-28 03:14:26,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:14:26,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:14:26,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:26,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:14:26,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:14:26,636 INFO L87 Difference]: Start difference. First operand 802 states and 1112 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:14:27,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:27,361 INFO L93 Difference]: Finished difference Result 824 states and 1118 transitions. [2024-11-28 03:14:27,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:14:27,362 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 81 [2024-11-28 03:14:27,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:27,365 INFO L225 Difference]: With dead ends: 824 [2024-11-28 03:14:27,365 INFO L226 Difference]: Without dead ends: 823 [2024-11-28 03:14:27,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:14:27,366 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 80 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:27,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 323 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:14:27,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2024-11-28 03:14:27,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 802. [2024-11-28 03:14:27,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 661 states have (on average 1.3963691376701968) internal successors, (923), 705 states have internal predecessors, (923), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-28 03:14:27,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1111 transitions. [2024-11-28 03:14:27,496 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1111 transitions. Word has length 81 [2024-11-28 03:14:27,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:27,496 INFO L471 AbstractCegarLoop]: Abstraction has 802 states and 1111 transitions. [2024-11-28 03:14:27,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:14:27,496 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1111 transitions. [2024-11-28 03:14:27,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 03:14:27,497 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:27,498 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:27,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-28 03:14:27,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-28 03:14:27,698 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:27,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:27,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1798357825, now seen corresponding path program 1 times [2024-11-28 03:14:27,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:27,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985477453] [2024-11-28 03:14:27,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:27,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:28,137 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 03:14:28,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:28,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985477453] [2024-11-28 03:14:28,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985477453] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:14:28,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378416584] [2024-11-28 03:14:28,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:28,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:28,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:28,142 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:28,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-28 03:14:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:28,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:14:28,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:28,572 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 03:14:28,572 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:14:28,925 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 03:14:28,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378416584] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:14:28,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:14:28,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 21 [2024-11-28 03:14:28,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606244984] [2024-11-28 03:14:28,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:14:28,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-28 03:14:28,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:28,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-28 03:14:28,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2024-11-28 03:14:28,927 INFO L87 Difference]: Start difference. First operand 802 states and 1111 transitions. Second operand has 21 states, 21 states have (on average 5.523809523809524) internal successors, (116), 19 states have internal predecessors, (116), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2024-11-28 03:14:30,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:30,852 INFO L93 Difference]: Finished difference Result 1246 states and 1713 transitions. [2024-11-28 03:14:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 03:14:30,853 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 5.523809523809524) internal successors, (116), 19 states have internal predecessors, (116), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) Word has length 85 [2024-11-28 03:14:30,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:30,857 INFO L225 Difference]: With dead ends: 1246 [2024-11-28 03:14:30,857 INFO L226 Difference]: Without dead ends: 824 [2024-11-28 03:14:30,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 159 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=197, Invalid=795, Unknown=0, NotChecked=0, Total=992 [2024-11-28 03:14:30,859 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 704 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:30,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 762 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 03:14:30,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2024-11-28 03:14:31,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 790. [2024-11-28 03:14:31,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 649 states have (on average 1.399075500770416) internal successors, (908), 693 states have internal predecessors, (908), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-28 03:14:31,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1096 transitions. [2024-11-28 03:14:31,059 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1096 transitions. Word has length 85 [2024-11-28 03:14:31,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:31,059 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1096 transitions. [2024-11-28 03:14:31,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.523809523809524) internal successors, (116), 19 states have internal predecessors, (116), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2024-11-28 03:14:31,060 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1096 transitions. [2024-11-28 03:14:31,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 03:14:31,060 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:31,060 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:31,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-28 03:14:31,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:31,261 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:31,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:31,261 INFO L85 PathProgramCache]: Analyzing trace with hash 2099006792, now seen corresponding path program 1 times [2024-11-28 03:14:31,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:31,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124621562] [2024-11-28 03:14:31,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:31,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:14:31,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1852684522] [2024-11-28 03:14:31,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:31,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:31,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:31,283 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:31,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-28 03:14:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:31,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 03:14:31,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:32,508 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 03:14:32,508 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:14:37,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:37,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124621562] [2024-11-28 03:14:37,160 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:14:37,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852684522] [2024-11-28 03:14:37,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852684522] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:14:37,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:14:37,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-28 03:14:37,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329235558] [2024-11-28 03:14:37,161 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:14:37,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 03:14:37,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:37,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 03:14:37,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=278, Unknown=1, NotChecked=0, Total=342 [2024-11-28 03:14:37,162 INFO L87 Difference]: Start difference. First operand 790 states and 1096 transitions. Second operand has 13 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 03:14:40,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:40,217 INFO L93 Difference]: Finished difference Result 1085 states and 1500 transitions. [2024-11-28 03:14:40,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 03:14:40,218 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 85 [2024-11-28 03:14:40,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:40,224 INFO L225 Difference]: With dead ends: 1085 [2024-11-28 03:14:40,224 INFO L226 Difference]: Without dead ends: 1083 [2024-11-28 03:14:40,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=146, Invalid=609, Unknown=1, NotChecked=0, Total=756 [2024-11-28 03:14:40,226 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 458 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 1682 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 1719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:40,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 818 Invalid, 1719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1682 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-28 03:14:40,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2024-11-28 03:14:40,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 961. [2024-11-28 03:14:40,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 798 states have (on average 1.4085213032581454) internal successors, (1124), 842 states have internal predecessors, (1124), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-28 03:14:40,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1356 transitions. [2024-11-28 03:14:40,440 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1356 transitions. Word has length 85 [2024-11-28 03:14:40,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:40,440 INFO L471 AbstractCegarLoop]: Abstraction has 961 states and 1356 transitions. [2024-11-28 03:14:40,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 03:14:40,440 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1356 transitions. [2024-11-28 03:14:40,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 03:14:40,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:40,441 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:40,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-11-28 03:14:40,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-28 03:14:40,642 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:40,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:40,642 INFO L85 PathProgramCache]: Analyzing trace with hash 644701283, now seen corresponding path program 1 times [2024-11-28 03:14:40,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:40,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347966579] [2024-11-28 03:14:40,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:40,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:14:40,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [895445057] [2024-11-28 03:14:40,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:40,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:40,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:40,666 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:40,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-28 03:14:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:40,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 03:14:40,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:41,899 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 03:14:41,899 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:14:46,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:46,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347966579] [2024-11-28 03:14:46,924 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:14:46,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895445057] [2024-11-28 03:14:46,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895445057] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:14:46,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:14:46,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-28 03:14:46,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433821855] [2024-11-28 03:14:46,924 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:14:46,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 03:14:46,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:46,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 03:14:46,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=277, Unknown=1, NotChecked=0, Total=342 [2024-11-28 03:14:46,926 INFO L87 Difference]: Start difference. First operand 961 states and 1356 transitions. Second operand has 13 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 03:14:49,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:49,752 INFO L93 Difference]: Finished difference Result 1085 states and 1493 transitions. [2024-11-28 03:14:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:14:49,753 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 86 [2024-11-28 03:14:49,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:49,757 INFO L225 Difference]: With dead ends: 1085 [2024-11-28 03:14:49,758 INFO L226 Difference]: Without dead ends: 1083 [2024-11-28 03:14:49,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=164, Invalid=647, Unknown=1, NotChecked=0, Total=812 [2024-11-28 03:14:49,759 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 457 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:49,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 728 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 03:14:49,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2024-11-28 03:14:49,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 962. [2024-11-28 03:14:49,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 799 states have (on average 1.400500625782228) internal successors, (1119), 843 states have internal predecessors, (1119), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-28 03:14:49,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1351 transitions. [2024-11-28 03:14:49,965 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1351 transitions. Word has length 86 [2024-11-28 03:14:49,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:49,966 INFO L471 AbstractCegarLoop]: Abstraction has 962 states and 1351 transitions. [2024-11-28 03:14:49,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 03:14:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1351 transitions. [2024-11-28 03:14:49,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-28 03:14:49,967 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:49,968 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:49,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-28 03:14:50,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-11-28 03:14:50,168 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:50,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:50,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1489096534, now seen corresponding path program 1 times [2024-11-28 03:14:50,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:50,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797734949] [2024-11-28 03:14:50,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:50,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:14:50,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1182899574] [2024-11-28 03:14:50,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:50,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:50,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:50,195 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:50,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-28 03:14:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:50,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-28 03:14:50,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:51,419 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 03:14:51,419 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:14:51,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:51,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797734949] [2024-11-28 03:14:51,861 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:14:51,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182899574] [2024-11-28 03:14:51,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182899574] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:14:51,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:14:51,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 03:14:51,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726556273] [2024-11-28 03:14:51,862 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:14:51,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:14:51,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:51,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:14:51,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:14:51,863 INFO L87 Difference]: Start difference. First operand 962 states and 1351 transitions. Second operand has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 03:14:54,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:54,092 INFO L93 Difference]: Finished difference Result 1085 states and 1486 transitions. [2024-11-28 03:14:54,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:14:54,093 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 87 [2024-11-28 03:14:54,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:54,098 INFO L225 Difference]: With dead ends: 1085 [2024-11-28 03:14:54,098 INFO L226 Difference]: Without dead ends: 1083 [2024-11-28 03:14:54,099 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2024-11-28 03:14:54,099 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 569 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:54,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 529 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 03:14:54,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2024-11-28 03:14:54,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 964. [2024-11-28 03:14:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 801 states have (on average 1.3995006242197254) internal successors, (1121), 845 states have internal predecessors, (1121), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-28 03:14:54,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1353 transitions. [2024-11-28 03:14:54,324 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1353 transitions. Word has length 87 [2024-11-28 03:14:54,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:54,324 INFO L471 AbstractCegarLoop]: Abstraction has 964 states and 1353 transitions. [2024-11-28 03:14:54,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 03:14:54,324 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1353 transitions. [2024-11-28 03:14:54,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-28 03:14:54,326 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:54,326 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:54,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-28 03:14:54,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2024-11-28 03:14:54,530 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:54,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:54,531 INFO L85 PathProgramCache]: Analyzing trace with hash 493146693, now seen corresponding path program 1 times [2024-11-28 03:14:54,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:54,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614798981] [2024-11-28 03:14:54,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:54,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:54,923 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 03:14:54,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:54,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614798981] [2024-11-28 03:14:54,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614798981] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:14:54,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494833257] [2024-11-28 03:14:54,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:54,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:54,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:54,928 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:54,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-28 03:14:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:55,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 03:14:55,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:55,411 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 03:14:55,411 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:14:55,836 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 03:14:55,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494833257] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:14:55,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:14:55,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 15 [2024-11-28 03:14:55,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525829527] [2024-11-28 03:14:55,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:14:55,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 03:14:55,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:55,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 03:14:55,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:14:55,838 INFO L87 Difference]: Start difference. First operand 964 states and 1353 transitions. Second operand has 15 states, 15 states have (on average 5.8) internal successors, (87), 15 states have internal predecessors, (87), 5 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 4 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 03:14:57,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:14:57,395 INFO L93 Difference]: Finished difference Result 1573 states and 2199 transitions. [2024-11-28 03:14:57,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:14:57,396 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.8) internal successors, (87), 15 states have internal predecessors, (87), 5 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 4 states have call predecessors, (16), 5 states have call successors, (16) Word has length 89 [2024-11-28 03:14:57,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:14:57,400 INFO L225 Difference]: With dead ends: 1573 [2024-11-28 03:14:57,400 INFO L226 Difference]: Without dead ends: 902 [2024-11-28 03:14:57,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 172 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=133, Invalid=467, Unknown=0, NotChecked=0, Total=600 [2024-11-28 03:14:57,402 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 343 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:14:57,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 766 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 03:14:57,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2024-11-28 03:14:57,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 878. [2024-11-28 03:14:57,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 726 states have (on average 1.3801652892561984) internal successors, (1002), 770 states have internal predecessors, (1002), 105 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-28 03:14:57,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1212 transitions. [2024-11-28 03:14:57,625 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1212 transitions. Word has length 89 [2024-11-28 03:14:57,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:14:57,625 INFO L471 AbstractCegarLoop]: Abstraction has 878 states and 1212 transitions. [2024-11-28 03:14:57,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.8) internal successors, (87), 15 states have internal predecessors, (87), 5 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 4 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 03:14:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1212 transitions. [2024-11-28 03:14:57,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-28 03:14:57,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:14:57,626 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:14:57,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-11-28 03:14:57,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:57,827 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:14:57,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:14:57,827 INFO L85 PathProgramCache]: Analyzing trace with hash -2041313426, now seen corresponding path program 1 times [2024-11-28 03:14:57,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:14:57,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74392332] [2024-11-28 03:14:57,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:57,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:14:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:14:57,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1196943669] [2024-11-28 03:14:57,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:14:57,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:14:57,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:14:57,853 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:14:57,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-28 03:14:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:14:57,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-28 03:14:57,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:58,949 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:14:58,949 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:14:59,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:14:59,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74392332] [2024-11-28 03:14:59,378 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:14:59,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196943669] [2024-11-28 03:14:59,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196943669] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:14:59,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:14:59,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 03:14:59,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003551545] [2024-11-28 03:14:59,378 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:14:59,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:14:59,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:14:59,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:14:59,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:14:59,379 INFO L87 Difference]: Start difference. First operand 878 states and 1212 transitions. Second operand has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:15:01,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:15:01,153 INFO L93 Difference]: Finished difference Result 904 states and 1228 transitions. [2024-11-28 03:15:01,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:15:01,153 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 91 [2024-11-28 03:15:01,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:15:01,157 INFO L225 Difference]: With dead ends: 904 [2024-11-28 03:15:01,157 INFO L226 Difference]: Without dead ends: 902 [2024-11-28 03:15:01,158 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:15:01,158 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 231 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:15:01,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 407 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 944 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 03:15:01,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2024-11-28 03:15:01,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 882. [2024-11-28 03:15:01,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 882 states, 730 states have (on average 1.378082191780822) internal successors, (1006), 774 states have internal predecessors, (1006), 105 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-28 03:15:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1216 transitions. [2024-11-28 03:15:01,316 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1216 transitions. Word has length 91 [2024-11-28 03:15:01,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:15:01,316 INFO L471 AbstractCegarLoop]: Abstraction has 882 states and 1216 transitions. [2024-11-28 03:15:01,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:15:01,317 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1216 transitions. [2024-11-28 03:15:01,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-28 03:15:01,317 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:01,317 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:15:01,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2024-11-28 03:15:01,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:01,518 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:15:01,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:01,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1097857744, now seen corresponding path program 1 times [2024-11-28 03:15:01,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:01,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954697822] [2024-11-28 03:15:01,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:01,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:15:01,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1390178003] [2024-11-28 03:15:01,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:01,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:01,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:15:01,543 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:15:01,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-28 03:15:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:01,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 03:15:01,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:15:03,123 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 03:15:03,123 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:15:13,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:13,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954697822] [2024-11-28 03:15:13,088 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:15:13,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390178003] [2024-11-28 03:15:13,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390178003] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:15:13,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:15:13,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 03:15:13,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643547568] [2024-11-28 03:15:13,088 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:15:13,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:15:13,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:13,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:15:13,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=210, Unknown=2, NotChecked=0, Total=272 [2024-11-28 03:15:13,090 INFO L87 Difference]: Start difference. First operand 882 states and 1216 transitions. Second operand has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 03:15:14,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:15:14,672 INFO L93 Difference]: Finished difference Result 908 states and 1229 transitions. [2024-11-28 03:15:14,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:15:14,672 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 93 [2024-11-28 03:15:14,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:15:14,675 INFO L225 Difference]: With dead ends: 908 [2024-11-28 03:15:14,675 INFO L226 Difference]: Without dead ends: 907 [2024-11-28 03:15:14,676 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=116, Invalid=344, Unknown=2, NotChecked=0, Total=462 [2024-11-28 03:15:14,676 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 361 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:15:14,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 535 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 03:15:14,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2024-11-28 03:15:14,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 883. [2024-11-28 03:15:14,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 731 states have (on average 1.377564979480164) internal successors, (1007), 775 states have internal predecessors, (1007), 105 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-28 03:15:14,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1217 transitions. [2024-11-28 03:15:14,823 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1217 transitions. Word has length 93 [2024-11-28 03:15:14,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:15:14,824 INFO L471 AbstractCegarLoop]: Abstraction has 883 states and 1217 transitions. [2024-11-28 03:15:14,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 03:15:14,824 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1217 transitions. [2024-11-28 03:15:14,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 03:15:14,824 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:14,825 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:15:14,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2024-11-28 03:15:15,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:15,025 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:15:15,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:15,026 INFO L85 PathProgramCache]: Analyzing trace with hash -921185800, now seen corresponding path program 1 times [2024-11-28 03:15:15,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:15,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977924537] [2024-11-28 03:15:15,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:15,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:15,146 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:15:15,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:15,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977924537] [2024-11-28 03:15:15,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977924537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:15:15,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:15:15,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:15:15,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63940896] [2024-11-28 03:15:15,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:15:15,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:15:15,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:15,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:15:15,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:15:15,150 INFO L87 Difference]: Start difference. First operand 883 states and 1217 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 03:15:15,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:15:15,699 INFO L93 Difference]: Finished difference Result 1503 states and 2100 transitions. [2024-11-28 03:15:15,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:15:15,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 95 [2024-11-28 03:15:15,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:15:15,703 INFO L225 Difference]: With dead ends: 1503 [2024-11-28 03:15:15,704 INFO L226 Difference]: Without dead ends: 831 [2024-11-28 03:15:15,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:15:15,707 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 19 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:15:15,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 393 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:15:15,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2024-11-28 03:15:15,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 810. [2024-11-28 03:15:15,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 669 states have (on average 1.390134529147982) internal successors, (930), 713 states have internal predecessors, (930), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-28 03:15:15,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1118 transitions. [2024-11-28 03:15:15,947 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1118 transitions. Word has length 95 [2024-11-28 03:15:15,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:15:15,947 INFO L471 AbstractCegarLoop]: Abstraction has 810 states and 1118 transitions. [2024-11-28 03:15:15,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 03:15:15,947 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1118 transitions. [2024-11-28 03:15:15,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 03:15:15,948 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:15,948 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:15:15,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-28 03:15:15,949 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:15:15,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:15,949 INFO L85 PathProgramCache]: Analyzing trace with hash -326148117, now seen corresponding path program 1 times [2024-11-28 03:15:15,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:15,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460677136] [2024-11-28 03:15:15,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:15,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:15:15,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1509277418] [2024-11-28 03:15:15,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:15,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:15,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:15:15,971 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:15:15,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-28 03:15:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:16,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 03:15:16,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:15:17,578 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 03:15:17,579 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:15:50,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:50,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460677136] [2024-11-28 03:15:50,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:15:50,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509277418] [2024-11-28 03:15:50,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509277418] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:15:50,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:15:50,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 03:15:50,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245119845] [2024-11-28 03:15:50,609 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:15:50,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:15:50,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:50,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:15:50,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=208, Unknown=8, NotChecked=0, Total=272 [2024-11-28 03:15:50,610 INFO L87 Difference]: Start difference. First operand 810 states and 1118 transitions. Second operand has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 03:15:52,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:15:52,355 INFO L93 Difference]: Finished difference Result 827 states and 1129 transitions. [2024-11-28 03:15:52,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:15:52,355 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 94 [2024-11-28 03:15:52,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:15:52,358 INFO L225 Difference]: With dead ends: 827 [2024-11-28 03:15:52,358 INFO L226 Difference]: Without dead ends: 826 [2024-11-28 03:15:52,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 32.9s TimeCoverageRelationStatistics Valid=97, Invalid=315, Unknown=8, NotChecked=0, Total=420 [2024-11-28 03:15:52,359 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 204 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:15:52,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 531 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 03:15:52,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2024-11-28 03:15:52,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 811. [2024-11-28 03:15:52,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 670 states have (on average 1.3895522388059702) internal successors, (931), 714 states have internal predecessors, (931), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-28 03:15:52,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1119 transitions. [2024-11-28 03:15:52,525 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1119 transitions. Word has length 94 [2024-11-28 03:15:52,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:15:52,525 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1119 transitions. [2024-11-28 03:15:52,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 03:15:52,526 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1119 transitions. [2024-11-28 03:15:52,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 03:15:52,527 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:52,527 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:15:52,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-11-28 03:15:52,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:52,727 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:15:52,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:52,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1520656846, now seen corresponding path program 1 times [2024-11-28 03:15:52,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:52,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752388852] [2024-11-28 03:15:52,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:52,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:15:52,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2089692073] [2024-11-28 03:15:52,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:52,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:52,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:15:52,751 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:15:52,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-11-28 03:15:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:52,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-28 03:15:52,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:15:55,331 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:15:55,332 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:15:56,892 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:15:56,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:56,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752388852] [2024-11-28 03:15:56,892 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:15:56,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089692073] [2024-11-28 03:15:56,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089692073] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:15:56,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:15:56,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-11-28 03:15:56,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205525205] [2024-11-28 03:15:56,893 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:15:56,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 03:15:56,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:56,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 03:15:56,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:15:56,895 INFO L87 Difference]: Start difference. First operand 811 states and 1119 transitions. Second operand has 22 states, 21 states have (on average 5.380952380952381) internal successors, (113), 22 states have internal predecessors, (113), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:16:06,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:06,387 INFO L93 Difference]: Finished difference Result 849 states and 1146 transitions. [2024-11-28 03:16:06,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-28 03:16:06,388 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 5.380952380952381) internal successors, (113), 22 states have internal predecessors, (113), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 95 [2024-11-28 03:16:06,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:06,391 INFO L225 Difference]: With dead ends: 849 [2024-11-28 03:16:06,391 INFO L226 Difference]: Without dead ends: 848 [2024-11-28 03:16:06,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=422, Invalid=1384, Unknown=0, NotChecked=0, Total=1806 [2024-11-28 03:16:06,392 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 602 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 2092 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 2182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 2092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:06,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 459 Invalid, 2182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 2092 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-11-28 03:16:06,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-11-28 03:16:06,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 812. [2024-11-28 03:16:06,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 671 states have (on average 1.3889716840536512) internal successors, (932), 715 states have internal predecessors, (932), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-28 03:16:06,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1120 transitions. [2024-11-28 03:16:06,545 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1120 transitions. Word has length 95 [2024-11-28 03:16:06,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:06,545 INFO L471 AbstractCegarLoop]: Abstraction has 812 states and 1120 transitions. [2024-11-28 03:16:06,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 5.380952380952381) internal successors, (113), 22 states have internal predecessors, (113), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:16:06,546 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1120 transitions. [2024-11-28 03:16:06,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 03:16:06,546 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:06,546 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:16:06,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2024-11-28 03:16:06,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-11-28 03:16:06,747 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:16:06,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:06,747 INFO L85 PathProgramCache]: Analyzing trace with hash 104278221, now seen corresponding path program 1 times [2024-11-28 03:16:06,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:06,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198724606] [2024-11-28 03:16:06,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:06,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:16:06,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1393938567] [2024-11-28 03:16:06,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:06,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:06,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:06,768 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:06,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-28 03:16:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:06,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-28 03:16:06,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:16:08,821 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:16:11,549 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:16:11,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:11,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198724606] [2024-11-28 03:16:11,549 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:16:11,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393938567] [2024-11-28 03:16:11,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393938567] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:16:11,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:16:11,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-11-28 03:16:11,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547718673] [2024-11-28 03:16:11,550 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:16:11,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 03:16:11,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:11,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 03:16:11,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:16:11,551 INFO L87 Difference]: Start difference. First operand 812 states and 1120 transitions. Second operand has 22 states, 21 states have (on average 5.476190476190476) internal successors, (115), 22 states have internal predecessors, (115), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:16:24,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:24,735 INFO L93 Difference]: Finished difference Result 843 states and 1145 transitions. [2024-11-28 03:16:24,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-28 03:16:24,736 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 5.476190476190476) internal successors, (115), 22 states have internal predecessors, (115), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 96 [2024-11-28 03:16:24,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:24,738 INFO L225 Difference]: With dead ends: 843 [2024-11-28 03:16:24,738 INFO L226 Difference]: Without dead ends: 813 [2024-11-28 03:16:24,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=304, Invalid=1102, Unknown=0, NotChecked=0, Total=1406 [2024-11-28 03:16:24,739 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 692 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 1582 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 1687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:24,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 391 Invalid, 1687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1582 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2024-11-28 03:16:24,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2024-11-28 03:16:24,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 784. [2024-11-28 03:16:24,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 643 states have (on average 1.4043545878693624) internal successors, (903), 687 states have internal predecessors, (903), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-28 03:16:24,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1091 transitions. [2024-11-28 03:16:24,964 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1091 transitions. Word has length 96 [2024-11-28 03:16:24,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:24,964 INFO L471 AbstractCegarLoop]: Abstraction has 784 states and 1091 transitions. [2024-11-28 03:16:24,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 5.476190476190476) internal successors, (115), 22 states have internal predecessors, (115), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:16:24,964 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1091 transitions. [2024-11-28 03:16:24,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 03:16:24,965 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:24,965 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:16:24,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2024-11-28 03:16:25,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-11-28 03:16:25,166 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:16:25,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:25,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1434229875, now seen corresponding path program 1 times [2024-11-28 03:16:25,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:25,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302346181] [2024-11-28 03:16:25,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:25,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:16:25,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [69826527] [2024-11-28 03:16:25,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:25,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:25,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:25,184 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:25,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-11-28 03:16:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:25,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:16:25,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:25,626 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-28 03:16:25,626 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:16:25,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:25,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302346181] [2024-11-28 03:16:25,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:16:25,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69826527] [2024-11-28 03:16:25,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69826527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:16:25,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:16:25,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:16:25,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253605297] [2024-11-28 03:16:25,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:16:25,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:16:25,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:25,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:16:25,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:16:25,628 INFO L87 Difference]: Start difference. First operand 784 states and 1091 transitions. Second operand has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 03:16:26,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:26,364 INFO L93 Difference]: Finished difference Result 790 states and 1091 transitions. [2024-11-28 03:16:26,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:16:26,365 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 103 [2024-11-28 03:16:26,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:26,367 INFO L225 Difference]: With dead ends: 790 [2024-11-28 03:16:26,367 INFO L226 Difference]: Without dead ends: 789 [2024-11-28 03:16:26,367 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:16:26,368 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 158 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:26,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 415 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:16:26,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-11-28 03:16:26,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 784. [2024-11-28 03:16:26,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 643 states have (on average 1.3981337480559877) internal successors, (899), 687 states have internal predecessors, (899), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-28 03:16:26,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1087 transitions. [2024-11-28 03:16:26,532 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1087 transitions. Word has length 103 [2024-11-28 03:16:26,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:26,532 INFO L471 AbstractCegarLoop]: Abstraction has 784 states and 1087 transitions. [2024-11-28 03:16:26,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 03:16:26,532 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1087 transitions. [2024-11-28 03:16:26,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 03:16:26,532 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:26,532 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:16:26,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2024-11-28 03:16:26,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-28 03:16:26,733 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:16:26,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:26,733 INFO L85 PathProgramCache]: Analyzing trace with hash 775132654, now seen corresponding path program 1 times [2024-11-28 03:16:26,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:26,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098732909] [2024-11-28 03:16:26,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:26,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:26,862 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:16:26,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:26,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098732909] [2024-11-28 03:16:26,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098732909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:16:26,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352990200] [2024-11-28 03:16:26,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:26,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:26,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:26,866 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:26,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-11-28 03:16:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:26,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:16:26,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:27,151 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:16:27,151 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:16:27,439 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:16:27,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352990200] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:16:27,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:16:27,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-28 03:16:27,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790979332] [2024-11-28 03:16:27,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:16:27,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:16:27,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:27,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:16:27,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:16:27,440 INFO L87 Difference]: Start difference. First operand 784 states and 1087 transitions. Second operand has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 10 states have internal predecessors, (104), 7 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2024-11-28 03:16:28,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:28,919 INFO L93 Difference]: Finished difference Result 934 states and 1261 transitions. [2024-11-28 03:16:28,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:16:28,920 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 10 states have internal predecessors, (104), 7 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) Word has length 110 [2024-11-28 03:16:28,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:28,922 INFO L225 Difference]: With dead ends: 934 [2024-11-28 03:16:28,922 INFO L226 Difference]: Without dead ends: 933 [2024-11-28 03:16:28,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:16:28,923 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 592 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:28,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 426 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:16:28,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2024-11-28 03:16:29,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 904. [2024-11-28 03:16:29,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 745 states have (on average 1.3758389261744965) internal successors, (1025), 789 states have internal predecessors, (1025), 112 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-28 03:16:29,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1249 transitions. [2024-11-28 03:16:29,186 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1249 transitions. Word has length 110 [2024-11-28 03:16:29,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:29,186 INFO L471 AbstractCegarLoop]: Abstraction has 904 states and 1249 transitions. [2024-11-28 03:16:29,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 10 states have internal predecessors, (104), 7 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2024-11-28 03:16:29,186 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1249 transitions. [2024-11-28 03:16:29,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 03:16:29,187 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:29,187 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:16:29,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2024-11-28 03:16:29,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:29,388 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:16:29,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:29,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1740691386, now seen corresponding path program 1 times [2024-11-28 03:16:29,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:29,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358674654] [2024-11-28 03:16:29,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:29,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:16:29,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:29,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358674654] [2024-11-28 03:16:29,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358674654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:16:29,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348365786] [2024-11-28 03:16:29,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:29,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:29,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:29,539 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:29,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-11-28 03:16:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:29,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:16:29,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:16:29,872 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:16:30,158 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:16:30,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348365786] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:16:30,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:16:30,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-28 03:16:30,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559305037] [2024-11-28 03:16:30,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:16:30,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:16:30,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:30,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:16:30,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:16:30,161 INFO L87 Difference]: Start difference. First operand 904 states and 1249 transitions. Second operand has 14 states, 13 states have (on average 10.538461538461538) internal successors, (137), 14 states have internal predecessors, (137), 9 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) [2024-11-28 03:16:32,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:32,566 INFO L93 Difference]: Finished difference Result 1187 states and 1593 transitions. [2024-11-28 03:16:32,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-28 03:16:32,566 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.538461538461538) internal successors, (137), 14 states have internal predecessors, (137), 9 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) Word has length 111 [2024-11-28 03:16:32,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:32,570 INFO L225 Difference]: With dead ends: 1187 [2024-11-28 03:16:32,570 INFO L226 Difference]: Without dead ends: 1186 [2024-11-28 03:16:32,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 653 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=633, Invalid=1719, Unknown=0, NotChecked=0, Total=2352 [2024-11-28 03:16:32,571 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 1552 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:32,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 326 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 03:16:32,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2024-11-28 03:16:32,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1086. [2024-11-28 03:16:32,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 901 states have (on average 1.4017758046614872) internal successors, (1263), 945 states have internal predecessors, (1263), 138 states have call successors, (138), 2 states have call predecessors, (138), 2 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-28 03:16:32,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1539 transitions. [2024-11-28 03:16:32,841 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1539 transitions. Word has length 111 [2024-11-28 03:16:32,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:32,842 INFO L471 AbstractCegarLoop]: Abstraction has 1086 states and 1539 transitions. [2024-11-28 03:16:32,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.538461538461538) internal successors, (137), 14 states have internal predecessors, (137), 9 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) [2024-11-28 03:16:32,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1539 transitions. [2024-11-28 03:16:32,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 03:16:32,843 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:32,843 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:16:32,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2024-11-28 03:16:33,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:33,046 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:16:33,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:33,046 INFO L85 PathProgramCache]: Analyzing trace with hash -2062139979, now seen corresponding path program 1 times [2024-11-28 03:16:33,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:33,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611016885] [2024-11-28 03:16:33,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:33,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:33,127 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:16:33,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:33,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611016885] [2024-11-28 03:16:33,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611016885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:16:33,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:16:33,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:16:33,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046133949] [2024-11-28 03:16:33,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:16:33,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:16:33,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:33,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:16:33,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:16:33,129 INFO L87 Difference]: Start difference. First operand 1086 states and 1539 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:16:33,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:33,589 INFO L93 Difference]: Finished difference Result 1086 states and 1539 transitions. [2024-11-28 03:16:33,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:16:33,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2024-11-28 03:16:33,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:33,593 INFO L225 Difference]: With dead ends: 1086 [2024-11-28 03:16:33,593 INFO L226 Difference]: Without dead ends: 1085 [2024-11-28 03:16:33,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:16:33,593 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 24 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:33,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 275 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:16:33,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2024-11-28 03:16:33,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 1085. [2024-11-28 03:16:33,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 901 states have (on average 1.397336293007769) internal successors, (1259), 944 states have internal predecessors, (1259), 138 states have call successors, (138), 2 states have call predecessors, (138), 2 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-28 03:16:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1535 transitions. [2024-11-28 03:16:33,966 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1535 transitions. Word has length 113 [2024-11-28 03:16:33,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:33,966 INFO L471 AbstractCegarLoop]: Abstraction has 1085 states and 1535 transitions. [2024-11-28 03:16:33,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:16:33,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1535 transitions. [2024-11-28 03:16:33,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 03:16:33,967 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:33,967 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:16:33,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-11-28 03:16:33,967 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:16:33,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:33,968 INFO L85 PathProgramCache]: Analyzing trace with hash 498171797, now seen corresponding path program 1 times [2024-11-28 03:16:33,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:33,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277036838] [2024-11-28 03:16:33,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:33,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:34,047 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:16:34,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:34,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277036838] [2024-11-28 03:16:34,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277036838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:16:34,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713841187] [2024-11-28 03:16:34,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:34,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:34,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:34,051 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:34,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-11-28 03:16:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:34,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:16:34,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:34,261 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:16:34,261 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:16:34,461 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:16:34,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713841187] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:16:34,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:16:34,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-28 03:16:34,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948808636] [2024-11-28 03:16:34,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:16:34,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:16:34,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:34,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:16:34,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:16:34,464 INFO L87 Difference]: Start difference. First operand 1085 states and 1535 transitions. Second operand has 7 states, 6 states have (on average 22.166666666666668) internal successors, (133), 7 states have internal predecessors, (133), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-28 03:16:34,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:34,946 INFO L93 Difference]: Finished difference Result 1396 states and 1928 transitions. [2024-11-28 03:16:34,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:16:34,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 22.166666666666668) internal successors, (133), 7 states have internal predecessors, (133), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 114 [2024-11-28 03:16:34,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:34,950 INFO L225 Difference]: With dead ends: 1396 [2024-11-28 03:16:34,950 INFO L226 Difference]: Without dead ends: 1395 [2024-11-28 03:16:34,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:16:34,951 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 76 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:34,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 585 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:16:34,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2024-11-28 03:16:35,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1291. [2024-11-28 03:16:35,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1291 states, 1081 states have (on average 1.3940795559666974) internal successors, (1507), 1124 states have internal predecessors, (1507), 164 states have call successors, (164), 2 states have call predecessors, (164), 2 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-28 03:16:35,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1291 states and 1835 transitions. [2024-11-28 03:16:35,239 INFO L78 Accepts]: Start accepts. Automaton has 1291 states and 1835 transitions. Word has length 114 [2024-11-28 03:16:35,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:35,240 INFO L471 AbstractCegarLoop]: Abstraction has 1291 states and 1835 transitions. [2024-11-28 03:16:35,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 22.166666666666668) internal successors, (133), 7 states have internal predecessors, (133), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-28 03:16:35,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1835 transitions. [2024-11-28 03:16:35,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 03:16:35,241 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:35,241 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:16:35,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2024-11-28 03:16:35,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:35,442 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:16:35,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:35,442 INFO L85 PathProgramCache]: Analyzing trace with hash 2000222709, now seen corresponding path program 1 times [2024-11-28 03:16:35,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:35,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422136698] [2024-11-28 03:16:35,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:35,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:35,562 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:16:35,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:35,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422136698] [2024-11-28 03:16:35,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422136698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:16:35,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314190845] [2024-11-28 03:16:35,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:35,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:35,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:35,565 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:35,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-11-28 03:16:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:35,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:16:35,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:16:36,082 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:16:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:16:36,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314190845] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:16:36,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:16:36,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-28 03:16:36,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574709256] [2024-11-28 03:16:36,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:16:36,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:16:36,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:36,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:16:36,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:16:36,436 INFO L87 Difference]: Start difference. First operand 1291 states and 1835 transitions. Second operand has 11 states, 10 states have (on average 16.6) internal successors, (166), 11 states have internal predecessors, (166), 7 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2024-11-28 03:16:37,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:37,776 INFO L93 Difference]: Finished difference Result 2053 states and 2877 transitions. [2024-11-28 03:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:16:37,777 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.6) internal successors, (166), 11 states have internal predecessors, (166), 7 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) Word has length 116 [2024-11-28 03:16:37,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:37,784 INFO L225 Difference]: With dead ends: 2053 [2024-11-28 03:16:37,784 INFO L226 Difference]: Without dead ends: 2052 [2024-11-28 03:16:37,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:16:37,786 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 349 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:37,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 694 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:16:37,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2024-11-28 03:16:38,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1551. [2024-11-28 03:16:38,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1551 states, 1309 states have (on average 1.3919022154316272) internal successors, (1822), 1352 states have internal predecessors, (1822), 196 states have call successors, (196), 2 states have call predecessors, (196), 2 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-28 03:16:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1551 states and 2214 transitions. [2024-11-28 03:16:38,372 INFO L78 Accepts]: Start accepts. Automaton has 1551 states and 2214 transitions. Word has length 116 [2024-11-28 03:16:38,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:38,372 INFO L471 AbstractCegarLoop]: Abstraction has 1551 states and 2214 transitions. [2024-11-28 03:16:38,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.6) internal successors, (166), 11 states have internal predecessors, (166), 7 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2024-11-28 03:16:38,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 2214 transitions. [2024-11-28 03:16:38,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 03:16:38,374 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:38,374 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:16:38,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2024-11-28 03:16:38,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:38,578 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:16:38,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:38,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1383851407, now seen corresponding path program 1 times [2024-11-28 03:16:38,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:38,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94330310] [2024-11-28 03:16:38,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:38,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:38,686 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-28 03:16:38,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:38,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94330310] [2024-11-28 03:16:38,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94330310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:16:38,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056516812] [2024-11-28 03:16:38,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:38,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:38,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:38,689 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:38,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-11-28 03:16:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:38,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:16:38,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:38,946 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-28 03:16:38,946 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:16:38,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056516812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:16:38,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:16:38,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-28 03:16:38,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928179290] [2024-11-28 03:16:38,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:16:38,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:16:38,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:38,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:16:38,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:16:38,947 INFO L87 Difference]: Start difference. First operand 1551 states and 2214 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:16:39,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:39,401 INFO L93 Difference]: Finished difference Result 1565 states and 2214 transitions. [2024-11-28 03:16:39,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:16:39,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 124 [2024-11-28 03:16:39,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:39,406 INFO L225 Difference]: With dead ends: 1565 [2024-11-28 03:16:39,406 INFO L226 Difference]: Without dead ends: 1564 [2024-11-28 03:16:39,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:16:39,407 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 40 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:39,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 335 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:16:39,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2024-11-28 03:16:39,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1550. [2024-11-28 03:16:39,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1309 states have (on average 1.3735676088617266) internal successors, (1798), 1351 states have internal predecessors, (1798), 196 states have call successors, (196), 2 states have call predecessors, (196), 2 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-28 03:16:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2190 transitions. [2024-11-28 03:16:39,844 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2190 transitions. Word has length 124 [2024-11-28 03:16:39,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:39,844 INFO L471 AbstractCegarLoop]: Abstraction has 1550 states and 2190 transitions. [2024-11-28 03:16:39,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:16:39,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2190 transitions. [2024-11-28 03:16:39,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 03:16:39,845 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:39,846 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:16:39,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2024-11-28 03:16:40,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2024-11-28 03:16:40,046 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:16:40,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:40,047 INFO L85 PathProgramCache]: Analyzing trace with hash 541591117, now seen corresponding path program 1 times [2024-11-28 03:16:40,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:40,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446949480] [2024-11-28 03:16:40,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:40,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:16:40,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1262427361] [2024-11-28 03:16:40,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:40,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:40,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:40,077 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:40,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-11-28 03:16:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:40,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:16:40,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:40,745 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:16:40,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:16:41,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:41,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446949480] [2024-11-28 03:16:41,022 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:16:41,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262427361] [2024-11-28 03:16:41,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262427361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:16:41,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:16:41,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 03:16:41,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793868087] [2024-11-28 03:16:41,023 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:16:41,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:16:41,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:41,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:16:41,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:16:41,024 INFO L87 Difference]: Start difference. First operand 1550 states and 2190 transitions. Second operand has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:16:41,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:41,903 INFO L93 Difference]: Finished difference Result 1740 states and 2417 transitions. [2024-11-28 03:16:41,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:16:41,904 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 124 [2024-11-28 03:16:41,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:41,910 INFO L225 Difference]: With dead ends: 1740 [2024-11-28 03:16:41,910 INFO L226 Difference]: Without dead ends: 1739 [2024-11-28 03:16:41,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:16:41,911 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 157 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:41,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 441 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:16:41,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1739 states. [2024-11-28 03:16:42,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1739 to 1562. [2024-11-28 03:16:42,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1321 states have (on average 1.3709311127933383) internal successors, (1811), 1363 states have internal predecessors, (1811), 196 states have call successors, (196), 2 states have call predecessors, (196), 2 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-28 03:16:42,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2203 transitions. [2024-11-28 03:16:42,496 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2203 transitions. Word has length 124 [2024-11-28 03:16:42,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:42,496 INFO L471 AbstractCegarLoop]: Abstraction has 1562 states and 2203 transitions. [2024-11-28 03:16:42,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:16:42,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2203 transitions. [2024-11-28 03:16:42,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-28 03:16:42,497 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:42,498 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:16:42,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Ended with exit code 0 [2024-11-28 03:16:42,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2024-11-28 03:16:42,702 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:16:42,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:42,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1558704290, now seen corresponding path program 1 times [2024-11-28 03:16:42,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:42,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681647941] [2024-11-28 03:16:42,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:42,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:42,836 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-11-28 03:16:42,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:42,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681647941] [2024-11-28 03:16:42,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681647941] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:16:42,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59001209] [2024-11-28 03:16:42,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:42,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:42,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:42,840 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:42,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2024-11-28 03:16:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:42,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:16:42,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:43,313 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-11-28 03:16:43,313 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:16:43,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59001209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:16:43,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:16:43,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-28 03:16:43,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103292312] [2024-11-28 03:16:43,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:16:43,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:16:43,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:43,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:16:43,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:16:43,314 INFO L87 Difference]: Start difference. First operand 1562 states and 2203 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:16:43,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:43,891 INFO L93 Difference]: Finished difference Result 1572 states and 2203 transitions. [2024-11-28 03:16:43,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:16:43,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 126 [2024-11-28 03:16:43,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:43,895 INFO L225 Difference]: With dead ends: 1572 [2024-11-28 03:16:43,896 INFO L226 Difference]: Without dead ends: 1571 [2024-11-28 03:16:43,896 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:16:43,896 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 42 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:43,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 313 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:16:43,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2024-11-28 03:16:44,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1561. [2024-11-28 03:16:44,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1561 states, 1321 states have (on average 1.3626040878122634) internal successors, (1800), 1362 states have internal predecessors, (1800), 196 states have call successors, (196), 2 states have call predecessors, (196), 2 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-28 03:16:44,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1561 states and 2192 transitions. [2024-11-28 03:16:44,260 INFO L78 Accepts]: Start accepts. Automaton has 1561 states and 2192 transitions. Word has length 126 [2024-11-28 03:16:44,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:44,260 INFO L471 AbstractCegarLoop]: Abstraction has 1561 states and 2192 transitions. [2024-11-28 03:16:44,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:16:44,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 2192 transitions. [2024-11-28 03:16:44,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-28 03:16:44,261 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:44,261 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:16:44,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Ended with exit code 0 [2024-11-28 03:16:44,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2024-11-28 03:16:44,462 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:16:44,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:44,462 INFO L85 PathProgramCache]: Analyzing trace with hash 803589906, now seen corresponding path program 1 times [2024-11-28 03:16:44,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:44,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229819274] [2024-11-28 03:16:44,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:44,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:16:44,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [339862038] [2024-11-28 03:16:44,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:44,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:44,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:44,487 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:44,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-11-28 03:16:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:44,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:16:44,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:16:45,203 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:16:45,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:45,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229819274] [2024-11-28 03:16:45,356 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:16:45,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339862038] [2024-11-28 03:16:45,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339862038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:16:45,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:16:45,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 03:16:45,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932341625] [2024-11-28 03:16:45,357 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:16:45,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:16:45,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:45,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:16:45,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:16:45,358 INFO L87 Difference]: Start difference. First operand 1561 states and 2192 transitions. Second operand has 9 states, 8 states have (on average 9.5) internal successors, (76), 9 states have internal predecessors, (76), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:16:46,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:46,820 INFO L93 Difference]: Finished difference Result 1627 states and 2230 transitions. [2024-11-28 03:16:46,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 03:16:46,820 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 9 states have internal predecessors, (76), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 130 [2024-11-28 03:16:46,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:46,827 INFO L225 Difference]: With dead ends: 1627 [2024-11-28 03:16:46,828 INFO L226 Difference]: Without dead ends: 1626 [2024-11-28 03:16:46,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:16:46,829 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 133 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:46,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 714 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:16:46,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1626 states. [2024-11-28 03:16:47,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1626 to 1572. [2024-11-28 03:16:47,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1332 states have (on average 1.3603603603603605) internal successors, (1812), 1373 states have internal predecessors, (1812), 196 states have call successors, (196), 2 states have call predecessors, (196), 2 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-28 03:16:47,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2204 transitions. [2024-11-28 03:16:47,417 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2204 transitions. Word has length 130 [2024-11-28 03:16:47,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:47,417 INFO L471 AbstractCegarLoop]: Abstraction has 1572 states and 2204 transitions. [2024-11-28 03:16:47,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 9 states have internal predecessors, (76), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:16:47,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2204 transitions. [2024-11-28 03:16:47,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-28 03:16:47,419 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:47,419 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:16:47,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2024-11-28 03:16:47,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2024-11-28 03:16:47,620 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:16:47,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:47,621 INFO L85 PathProgramCache]: Analyzing trace with hash 795902405, now seen corresponding path program 1 times [2024-11-28 03:16:47,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:47,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342950203] [2024-11-28 03:16:47,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:47,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:16:47,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1689402756] [2024-11-28 03:16:47,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:47,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:47,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:47,669 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:47,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-11-28 03:16:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:47,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 03:16:47,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:50,307 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:16:50,312 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:17:11,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:11,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342950203] [2024-11-28 03:17:11,015 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:17:11,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689402756] [2024-11-28 03:17:11,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689402756] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:17:11,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:17:11,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 03:17:11,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850727482] [2024-11-28 03:17:11,016 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:17:11,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:17:11,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:11,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:17:11,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=256, Unknown=5, NotChecked=0, Total=342 [2024-11-28 03:17:11,017 INFO L87 Difference]: Start difference. First operand 1572 states and 2204 transitions. Second operand has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:17:13,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:13,894 INFO L93 Difference]: Finished difference Result 2314 states and 3215 transitions. [2024-11-28 03:17:13,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 03:17:13,895 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 130 [2024-11-28 03:17:13,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:13,901 INFO L225 Difference]: With dead ends: 2314 [2024-11-28 03:17:13,901 INFO L226 Difference]: Without dead ends: 2312 [2024-11-28 03:17:13,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 21.2s TimeCoverageRelationStatistics Valid=178, Invalid=519, Unknown=5, NotChecked=0, Total=702 [2024-11-28 03:17:13,902 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 487 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:13,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 991 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 03:17:13,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2024-11-28 03:17:14,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2155. [2024-11-28 03:17:14,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1839 states have (on average 1.3567156063077759) internal successors, (2495), 1880 states have internal predecessors, (2495), 272 states have call successors, (272), 2 states have call predecessors, (272), 2 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-28 03:17:14,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 3039 transitions. [2024-11-28 03:17:14,465 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 3039 transitions. Word has length 130 [2024-11-28 03:17:14,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:14,465 INFO L471 AbstractCegarLoop]: Abstraction has 2155 states and 3039 transitions. [2024-11-28 03:17:14,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:17:14,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 3039 transitions. [2024-11-28 03:17:14,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 03:17:14,466 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:14,466 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:14,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Ended with exit code 0 [2024-11-28 03:17:14,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69,60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:14,667 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:17:14,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:14,668 INFO L85 PathProgramCache]: Analyzing trace with hash -858516542, now seen corresponding path program 1 times [2024-11-28 03:17:14,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:14,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989126993] [2024-11-28 03:17:14,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:14,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:17:14,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1536438717] [2024-11-28 03:17:14,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:14,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:14,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:14,689 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:17:14,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-11-28 03:17:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:14,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 03:17:14,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:17:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:17:16,129 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:17:16,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:16,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989126993] [2024-11-28 03:17:16,578 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:17:16,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536438717] [2024-11-28 03:17:16,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536438717] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:17:16,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:17:16,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-28 03:17:16,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246942958] [2024-11-28 03:17:16,579 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:17:16,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 03:17:16,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:16,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 03:17:16,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:17:16,580 INFO L87 Difference]: Start difference. First operand 2155 states and 3039 transitions. Second operand has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 13 states have internal predecessors, (77), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:17:19,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:19,455 INFO L93 Difference]: Finished difference Result 2671 states and 3752 transitions. [2024-11-28 03:17:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:17:19,456 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 13 states have internal predecessors, (77), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 131 [2024-11-28 03:17:19,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:19,461 INFO L225 Difference]: With dead ends: 2671 [2024-11-28 03:17:19,462 INFO L226 Difference]: Without dead ends: 2670 [2024-11-28 03:17:19,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-28 03:17:19,463 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 296 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 1544 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 1570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:19,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 1031 Invalid, 1570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1544 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 03:17:19,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2670 states. [2024-11-28 03:17:20,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2670 to 2173. [2024-11-28 03:17:20,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2173 states, 1857 states have (on average 1.3548734518039849) internal successors, (2516), 1898 states have internal predecessors, (2516), 272 states have call successors, (272), 2 states have call predecessors, (272), 2 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-28 03:17:20,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 2173 states and 3060 transitions. [2024-11-28 03:17:20,169 INFO L78 Accepts]: Start accepts. Automaton has 2173 states and 3060 transitions. Word has length 131 [2024-11-28 03:17:20,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:20,169 INFO L471 AbstractCegarLoop]: Abstraction has 2173 states and 3060 transitions. [2024-11-28 03:17:20,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 13 states have internal predecessors, (77), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:17:20,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2173 states and 3060 transitions. [2024-11-28 03:17:20,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 03:17:20,170 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:20,171 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:20,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Ended with exit code 0 [2024-11-28 03:17:20,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:20,371 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:17:20,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:20,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1096829050, now seen corresponding path program 1 times [2024-11-28 03:17:20,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:20,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819131992] [2024-11-28 03:17:20,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:20,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:17:20,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [781951763] [2024-11-28 03:17:20,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:20,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:20,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:20,404 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:17:20,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2024-11-28 03:17:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:20,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 03:17:20,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:17:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:17:22,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:17:28,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:28,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819131992] [2024-11-28 03:17:28,878 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:17:28,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781951763] [2024-11-28 03:17:28,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781951763] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:17:28,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:17:28,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 03:17:28,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663301526] [2024-11-28 03:17:28,878 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:17:28,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:17:28,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:28,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:17:28,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=257, Unknown=1, NotChecked=0, Total=342 [2024-11-28 03:17:28,879 INFO L87 Difference]: Start difference. First operand 2173 states and 3060 transitions. Second operand has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 14 states have internal predecessors, (80), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:17:31,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:31,594 INFO L93 Difference]: Finished difference Result 2335 states and 3226 transitions. [2024-11-28 03:17:31,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:17:31,594 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 14 states have internal predecessors, (80), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 131 [2024-11-28 03:17:31,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:31,599 INFO L225 Difference]: With dead ends: 2335 [2024-11-28 03:17:31,600 INFO L226 Difference]: Without dead ends: 2333 [2024-11-28 03:17:31,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=210, Invalid=601, Unknown=1, NotChecked=0, Total=812 [2024-11-28 03:17:31,601 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 506 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:31,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 981 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 03:17:31,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2333 states. [2024-11-28 03:17:32,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2333 to 2174. [2024-11-28 03:17:32,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2174 states, 1858 states have (on average 1.3482238966630786) internal successors, (2505), 1899 states have internal predecessors, (2505), 272 states have call successors, (272), 2 states have call predecessors, (272), 2 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-28 03:17:32,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 2174 states and 3049 transitions. [2024-11-28 03:17:32,151 INFO L78 Accepts]: Start accepts. Automaton has 2174 states and 3049 transitions. Word has length 131 [2024-11-28 03:17:32,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:32,152 INFO L471 AbstractCegarLoop]: Abstraction has 2174 states and 3049 transitions. [2024-11-28 03:17:32,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 14 states have internal predecessors, (80), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:17:32,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 3049 transitions. [2024-11-28 03:17:32,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 03:17:32,154 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:32,154 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:32,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2024-11-28 03:17:32,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:32,355 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:17:32,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:32,356 INFO L85 PathProgramCache]: Analyzing trace with hash -844208876, now seen corresponding path program 1 times [2024-11-28 03:17:32,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:32,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907023163] [2024-11-28 03:17:32,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:32,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:32,549 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-28 03:17:32,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:32,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907023163] [2024-11-28 03:17:32,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907023163] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:17:32,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604701620] [2024-11-28 03:17:32,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:32,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:32,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:32,553 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:17:32,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-11-28 03:17:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:32,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:17:32,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:17:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-28 03:17:33,085 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:17:33,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604701620] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:17:33,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:17:33,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-28 03:17:33,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94851674] [2024-11-28 03:17:33,399 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:17:33,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:33,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:33,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:33,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:17:33,401 INFO L87 Difference]: Start difference. First operand 2174 states and 3049 transitions. Second operand has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:17:35,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:35,738 INFO L93 Difference]: Finished difference Result 2633 states and 3714 transitions. [2024-11-28 03:17:35,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:17:35,739 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 132 [2024-11-28 03:17:35,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:35,743 INFO L225 Difference]: With dead ends: 2633 [2024-11-28 03:17:35,743 INFO L226 Difference]: Without dead ends: 2632 [2024-11-28 03:17:35,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:17:35,744 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 249 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:35,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 858 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 03:17:35,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2024-11-28 03:17:36,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2550. [2024-11-28 03:17:36,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2550 states, 2186 states have (on average 1.3874656907593779) internal successors, (3033), 2227 states have internal predecessors, (3033), 320 states have call successors, (320), 2 states have call predecessors, (320), 2 states have return successors, (320), 320 states have call predecessors, (320), 320 states have call successors, (320) [2024-11-28 03:17:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 3673 transitions. [2024-11-28 03:17:36,312 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 3673 transitions. Word has length 132 [2024-11-28 03:17:36,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:36,312 INFO L471 AbstractCegarLoop]: Abstraction has 2550 states and 3673 transitions. [2024-11-28 03:17:36,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:17:36,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3673 transitions. [2024-11-28 03:17:36,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 03:17:36,314 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:36,314 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:36,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2024-11-28 03:17:36,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:36,518 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:17:36,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:36,519 INFO L85 PathProgramCache]: Analyzing trace with hash 358037991, now seen corresponding path program 1 times [2024-11-28 03:17:36,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:36,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322490666] [2024-11-28 03:17:36,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:36,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:17:36,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [736078265] [2024-11-28 03:17:36,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:36,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:36,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:36,549 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:17:36,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2024-11-28 03:17:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:36,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-28 03:17:36,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:17:38,528 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:17:38,528 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:17:38,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:38,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322490666] [2024-11-28 03:17:38,892 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:17:38,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736078265] [2024-11-28 03:17:38,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736078265] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:17:38,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:17:38,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 03:17:38,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473937993] [2024-11-28 03:17:38,892 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:17:38,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:17:38,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:38,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:17:38,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:17:38,893 INFO L87 Difference]: Start difference. First operand 2550 states and 3673 transitions. Second operand has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 12 states have internal predecessors, (81), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:17:41,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:41,462 INFO L93 Difference]: Finished difference Result 3588 states and 5134 transitions. [2024-11-28 03:17:41,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:17:41,463 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 12 states have internal predecessors, (81), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 132 [2024-11-28 03:17:41,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:41,469 INFO L225 Difference]: With dead ends: 3588 [2024-11-28 03:17:41,469 INFO L226 Difference]: Without dead ends: 3582 [2024-11-28 03:17:41,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2024-11-28 03:17:41,471 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 348 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:41,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 769 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 922 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 03:17:41,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3582 states. [2024-11-28 03:17:42,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3582 to 2571. [2024-11-28 03:17:42,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2571 states, 2207 states have (on average 1.3851381966470322) internal successors, (3057), 2248 states have internal predecessors, (3057), 320 states have call successors, (320), 2 states have call predecessors, (320), 2 states have return successors, (320), 320 states have call predecessors, (320), 320 states have call successors, (320) [2024-11-28 03:17:42,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2571 states and 3697 transitions. [2024-11-28 03:17:42,360 INFO L78 Accepts]: Start accepts. Automaton has 2571 states and 3697 transitions. Word has length 132 [2024-11-28 03:17:42,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:42,360 INFO L471 AbstractCegarLoop]: Abstraction has 2571 states and 3697 transitions. [2024-11-28 03:17:42,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 12 states have internal predecessors, (81), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:17:42,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 3697 transitions. [2024-11-28 03:17:42,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 03:17:42,361 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:42,361 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:42,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Ended with exit code 0 [2024-11-28 03:17:42,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:42,562 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:17:42,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:42,562 INFO L85 PathProgramCache]: Analyzing trace with hash -400671228, now seen corresponding path program 1 times [2024-11-28 03:17:42,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:42,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131711529] [2024-11-28 03:17:42,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:42,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:17:42,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [14307287] [2024-11-28 03:17:42,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:42,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:42,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:42,580 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:17:42,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2024-11-28 03:17:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:42,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:17:42,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:17:43,707 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:17:43,708 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:17:43,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:43,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131711529] [2024-11-28 03:17:43,895 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:17:43,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14307287] [2024-11-28 03:17:43,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14307287] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:17:43,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:17:43,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 03:17:43,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221358498] [2024-11-28 03:17:43,895 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:17:43,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:43,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:43,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:43,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:17:43,897 INFO L87 Difference]: Start difference. First operand 2571 states and 3697 transitions. Second operand has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:17:46,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:46,624 INFO L93 Difference]: Finished difference Result 2623 states and 3720 transitions. [2024-11-28 03:17:46,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:17:46,625 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 133 [2024-11-28 03:17:46,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:46,629 INFO L225 Difference]: With dead ends: 2623 [2024-11-28 03:17:46,629 INFO L226 Difference]: Without dead ends: 2622 [2024-11-28 03:17:46,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:17:46,630 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 117 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:46,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 829 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1097 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 03:17:46,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2622 states. [2024-11-28 03:17:47,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2622 to 2571. [2024-11-28 03:17:47,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2571 states, 2207 states have (on average 1.384685092886271) internal successors, (3056), 2248 states have internal predecessors, (3056), 320 states have call successors, (320), 2 states have call predecessors, (320), 2 states have return successors, (320), 320 states have call predecessors, (320), 320 states have call successors, (320) [2024-11-28 03:17:47,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2571 states and 3696 transitions. [2024-11-28 03:17:47,359 INFO L78 Accepts]: Start accepts. Automaton has 2571 states and 3696 transitions. Word has length 133 [2024-11-28 03:17:47,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:47,359 INFO L471 AbstractCegarLoop]: Abstraction has 2571 states and 3696 transitions. [2024-11-28 03:17:47,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:17:47,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 3696 transitions. [2024-11-28 03:17:47,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 03:17:47,361 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:47,361 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:47,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Forceful destruction successful, exit code 0 [2024-11-28 03:17:47,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:47,562 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:17:47,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:47,562 INFO L85 PathProgramCache]: Analyzing trace with hash 464093974, now seen corresponding path program 1 times [2024-11-28 03:17:47,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:47,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843831087] [2024-11-28 03:17:47,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:47,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:17:47,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1435982671] [2024-11-28 03:17:47,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:47,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:47,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:47,586 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:17:47,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2024-11-28 03:17:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:47,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:17:47,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:17:47,991 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-28 03:17:47,991 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:17:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-28 03:17:48,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:48,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843831087] [2024-11-28 03:17:48,331 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:17:48,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435982671] [2024-11-28 03:17:48,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435982671] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:17:48,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:17:48,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2024-11-28 03:17:48,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400771373] [2024-11-28 03:17:48,332 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:17:48,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:17:48,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:48,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:17:48,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:17:48,333 INFO L87 Difference]: Start difference. First operand 2571 states and 3696 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:17:49,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:49,669 INFO L93 Difference]: Finished difference Result 3036 states and 4366 transitions. [2024-11-28 03:17:49,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:17:49,670 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 134 [2024-11-28 03:17:49,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:49,675 INFO L225 Difference]: With dead ends: 3036 [2024-11-28 03:17:49,675 INFO L226 Difference]: Without dead ends: 3032 [2024-11-28 03:17:49,676 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 260 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:17:49,677 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 140 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:49,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 635 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:17:49,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3032 states. [2024-11-28 03:17:50,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3032 to 2950. [2024-11-28 03:17:50,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2950 states, 2538 states have (on average 1.4074074074074074) internal successors, (3572), 2579 states have internal predecessors, (3572), 368 states have call successors, (368), 2 states have call predecessors, (368), 2 states have return successors, (368), 368 states have call predecessors, (368), 368 states have call successors, (368) [2024-11-28 03:17:50,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2950 states to 2950 states and 4308 transitions. [2024-11-28 03:17:50,400 INFO L78 Accepts]: Start accepts. Automaton has 2950 states and 4308 transitions. Word has length 134 [2024-11-28 03:17:50,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:50,400 INFO L471 AbstractCegarLoop]: Abstraction has 2950 states and 4308 transitions. [2024-11-28 03:17:50,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:17:50,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2950 states and 4308 transitions. [2024-11-28 03:17:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 03:17:50,401 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:50,401 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:50,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Forceful destruction successful, exit code 0 [2024-11-28 03:17:50,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2024-11-28 03:17:50,602 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:17:50,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:50,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1767931970, now seen corresponding path program 1 times [2024-11-28 03:17:50,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:50,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426372709] [2024-11-28 03:17:50,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:50,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:51,039 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 14 proven. 36 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:17:51,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:51,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426372709] [2024-11-28 03:17:51,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426372709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:17:51,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407144188] [2024-11-28 03:17:51,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:51,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:51,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:51,042 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:17:51,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2024-11-28 03:17:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:51,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 03:17:51,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:17:52,170 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 14 proven. 36 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:17:52,170 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:17:53,088 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 14 proven. 36 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:17:53,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407144188] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:17:53,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:17:53,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-11-28 03:17:53,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800180075] [2024-11-28 03:17:53,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:17:53,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-28 03:17:53,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:53,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-28 03:17:53,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2024-11-28 03:17:53,090 INFO L87 Difference]: Start difference. First operand 2950 states and 4308 transitions. Second operand has 25 states, 25 states have (on average 7.64) internal successors, (191), 25 states have internal predecessors, (191), 10 states have call successors, (34), 1 states have call predecessors, (34), 2 states have return successors, (36), 9 states have call predecessors, (36), 10 states have call successors, (36) [2024-11-28 03:17:57,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:57,604 INFO L93 Difference]: Finished difference Result 4279 states and 6289 transitions. [2024-11-28 03:17:57,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-28 03:17:57,604 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 7.64) internal successors, (191), 25 states have internal predecessors, (191), 10 states have call successors, (34), 1 states have call predecessors, (34), 2 states have return successors, (36), 9 states have call predecessors, (36), 10 states have call successors, (36) Word has length 134 [2024-11-28 03:17:57,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:57,609 INFO L225 Difference]: With dead ends: 4279 [2024-11-28 03:17:57,610 INFO L226 Difference]: Without dead ends: 3095 [2024-11-28 03:17:57,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=462, Invalid=1794, Unknown=0, NotChecked=0, Total=2256 [2024-11-28 03:17:57,612 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 732 mSDsluCounter, 1160 mSDsCounter, 0 mSdLazyCounter, 1880 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 1962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:57,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 1254 Invalid, 1962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1880 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-28 03:17:57,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3095 states. [2024-11-28 03:17:58,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3095 to 3055. [2024-11-28 03:17:58,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3055 states, 2631 states have (on average 1.401748384644622) internal successors, (3688), 2672 states have internal predecessors, (3688), 380 states have call successors, (380), 2 states have call predecessors, (380), 2 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2024-11-28 03:17:58,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 3055 states and 4448 transitions. [2024-11-28 03:17:58,486 INFO L78 Accepts]: Start accepts. Automaton has 3055 states and 4448 transitions. Word has length 134 [2024-11-28 03:17:58,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:58,487 INFO L471 AbstractCegarLoop]: Abstraction has 3055 states and 4448 transitions. [2024-11-28 03:17:58,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.64) internal successors, (191), 25 states have internal predecessors, (191), 10 states have call successors, (34), 1 states have call predecessors, (34), 2 states have return successors, (36), 9 states have call predecessors, (36), 10 states have call successors, (36) [2024-11-28 03:17:58,487 INFO L276 IsEmpty]: Start isEmpty. Operand 3055 states and 4448 transitions. [2024-11-28 03:17:58,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 03:17:58,489 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:58,489 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:58,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Ended with exit code 0 [2024-11-28 03:17:58,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:58,690 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:17:58,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:58,690 INFO L85 PathProgramCache]: Analyzing trace with hash -682284776, now seen corresponding path program 1 times [2024-11-28 03:17:58,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:58,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350333150] [2024-11-28 03:17:58,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:58,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:58,888 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-28 03:17:58,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:58,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350333150] [2024-11-28 03:17:58,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350333150] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:17:58,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570513399] [2024-11-28 03:17:58,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:58,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:58,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:58,891 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:17:58,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2024-11-28 03:17:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:58,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:17:58,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:17:59,302 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-28 03:17:59,302 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:17:59,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570513399] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:17:59,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:17:59,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-28 03:17:59,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002186832] [2024-11-28 03:17:59,575 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:17:59,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:59,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:59,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:59,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:17:59,576 INFO L87 Difference]: Start difference. First operand 3055 states and 4448 transitions. Second operand has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 10 states have internal predecessors, (115), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:18:01,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:18:01,013 INFO L93 Difference]: Finished difference Result 3103 states and 4469 transitions. [2024-11-28 03:18:01,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:18:01,014 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 10 states have internal predecessors, (115), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 136 [2024-11-28 03:18:01,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:18:01,019 INFO L225 Difference]: With dead ends: 3103 [2024-11-28 03:18:01,019 INFO L226 Difference]: Without dead ends: 3102 [2024-11-28 03:18:01,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:18:01,020 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 170 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:18:01,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 638 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:18:01,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3102 states. [2024-11-28 03:18:01,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3102 to 3055. [2024-11-28 03:18:01,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3055 states, 2631 states have (on average 1.4009882174078296) internal successors, (3686), 2672 states have internal predecessors, (3686), 380 states have call successors, (380), 2 states have call predecessors, (380), 2 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2024-11-28 03:18:01,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 3055 states and 4446 transitions. [2024-11-28 03:18:01,689 INFO L78 Accepts]: Start accepts. Automaton has 3055 states and 4446 transitions. Word has length 136 [2024-11-28 03:18:01,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:18:01,690 INFO L471 AbstractCegarLoop]: Abstraction has 3055 states and 4446 transitions. [2024-11-28 03:18:01,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 10 states have internal predecessors, (115), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:18:01,690 INFO L276 IsEmpty]: Start isEmpty. Operand 3055 states and 4446 transitions. [2024-11-28 03:18:01,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 03:18:01,690 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:01,691 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:01,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Ended with exit code 0 [2024-11-28 03:18:01,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:18:01,891 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:18:01,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:01,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1038341589, now seen corresponding path program 1 times [2024-11-28 03:18:01,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:01,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903105551] [2024-11-28 03:18:01,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:01,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:18:01,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1986706229] [2024-11-28 03:18:01,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:01,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:18:01,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:18:01,917 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:18:01,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2024-11-28 03:18:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:02,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:18:02,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:18:02,890 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:18:02,890 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:18:07,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:07,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903105551] [2024-11-28 03:18:07,782 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:18:07,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986706229] [2024-11-28 03:18:07,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986706229] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:18:07,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:18:07,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 03:18:07,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720796089] [2024-11-28 03:18:07,783 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:18:07,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:18:07,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:07,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:18:07,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=143, Unknown=1, NotChecked=0, Total=182 [2024-11-28 03:18:07,784 INFO L87 Difference]: Start difference. First operand 3055 states and 4446 transitions. Second operand has 9 states, 8 states have (on average 10.25) internal successors, (82), 9 states have internal predecessors, (82), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:18:10,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:18:10,044 INFO L93 Difference]: Finished difference Result 3866 states and 5605 transitions. [2024-11-28 03:18:10,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:18:10,044 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.25) internal successors, (82), 9 states have internal predecessors, (82), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 136 [2024-11-28 03:18:10,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:18:10,050 INFO L225 Difference]: With dead ends: 3866 [2024-11-28 03:18:10,050 INFO L226 Difference]: Without dead ends: 3865 [2024-11-28 03:18:10,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=77, Invalid=264, Unknown=1, NotChecked=0, Total=342 [2024-11-28 03:18:10,051 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 123 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:18:10,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 602 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 03:18:10,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3865 states. [2024-11-28 03:18:10,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3865 to 3098. [2024-11-28 03:18:10,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3098 states, 2674 states have (on average 1.3979057591623036) internal successors, (3738), 2715 states have internal predecessors, (3738), 380 states have call successors, (380), 2 states have call predecessors, (380), 2 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2024-11-28 03:18:10,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 3098 states and 4498 transitions. [2024-11-28 03:18:10,928 INFO L78 Accepts]: Start accepts. Automaton has 3098 states and 4498 transitions. Word has length 136 [2024-11-28 03:18:10,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:18:10,928 INFO L471 AbstractCegarLoop]: Abstraction has 3098 states and 4498 transitions. [2024-11-28 03:18:10,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.25) internal successors, (82), 9 states have internal predecessors, (82), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:18:10,929 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 4498 transitions. [2024-11-28 03:18:10,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 03:18:10,930 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:10,930 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:10,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Ended with exit code 0 [2024-11-28 03:18:11,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2024-11-28 03:18:11,131 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:18:11,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:11,132 INFO L85 PathProgramCache]: Analyzing trace with hash 324008584, now seen corresponding path program 1 times [2024-11-28 03:18:11,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:11,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586120538] [2024-11-28 03:18:11,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:11,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:18:11,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1350887352] [2024-11-28 03:18:11,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:11,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:18:11,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:18:11,157 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:18:11,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2024-11-28 03:18:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:11,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:18:11,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:18:11,831 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-28 03:18:11,832 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:18:11,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:11,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586120538] [2024-11-28 03:18:11,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:18:11,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350887352] [2024-11-28 03:18:11,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350887352] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:18:11,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:18:11,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 03:18:11,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806260970] [2024-11-28 03:18:11,979 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:18:11,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:18:11,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:11,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:18:11,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:18:11,980 INFO L87 Difference]: Start difference. First operand 3098 states and 4498 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:18:13,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:18:13,646 INFO L93 Difference]: Finished difference Result 3171 states and 4541 transitions. [2024-11-28 03:18:13,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:18:13,647 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 137 [2024-11-28 03:18:13,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:18:13,652 INFO L225 Difference]: With dead ends: 3171 [2024-11-28 03:18:13,652 INFO L226 Difference]: Without dead ends: 3170 [2024-11-28 03:18:13,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:18:13,654 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 167 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:18:13,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 575 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:18:13,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2024-11-28 03:18:14,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 3098. [2024-11-28 03:18:14,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3098 states, 2674 states have (on average 1.3975317875841435) internal successors, (3737), 2715 states have internal predecessors, (3737), 380 states have call successors, (380), 2 states have call predecessors, (380), 2 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2024-11-28 03:18:14,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 3098 states and 4497 transitions. [2024-11-28 03:18:14,424 INFO L78 Accepts]: Start accepts. Automaton has 3098 states and 4497 transitions. Word has length 137 [2024-11-28 03:18:14,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:18:14,425 INFO L471 AbstractCegarLoop]: Abstraction has 3098 states and 4497 transitions. [2024-11-28 03:18:14,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:18:14,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 4497 transitions. [2024-11-28 03:18:14,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 03:18:14,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:14,426 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:14,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Forceful destruction successful, exit code 0 [2024-11-28 03:18:14,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2024-11-28 03:18:14,626 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:18:14,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:14,627 INFO L85 PathProgramCache]: Analyzing trace with hash -2123818004, now seen corresponding path program 1 times [2024-11-28 03:18:14,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:14,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088374459] [2024-11-28 03:18:14,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:14,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:18:14,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1531873803] [2024-11-28 03:18:14,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:14,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:18:14,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:18:14,660 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:18:14,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2024-11-28 03:18:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:14,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 03:18:14,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:18:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:18:16,463 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:18:58,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:58,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088374459] [2024-11-28 03:18:58,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:18:58,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531873803] [2024-11-28 03:18:58,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531873803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:18:58,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:18:58,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 03:18:58,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348948372] [2024-11-28 03:18:58,151 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:18:58,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:18:58,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:58,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:18:58,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=242, Unknown=10, NotChecked=0, Total=306 [2024-11-28 03:18:58,152 INFO L87 Difference]: Start difference. First operand 3098 states and 4497 transitions. Second operand has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:19:01,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:01,441 INFO L93 Difference]: Finished difference Result 3175 states and 4542 transitions. [2024-11-28 03:19:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:19:01,441 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 137 [2024-11-28 03:19:01,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:01,446 INFO L225 Difference]: With dead ends: 3175 [2024-11-28 03:19:01,446 INFO L226 Difference]: Without dead ends: 3172 [2024-11-28 03:19:01,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 41.6s TimeCoverageRelationStatistics Valid=125, Invalid=515, Unknown=10, NotChecked=0, Total=650 [2024-11-28 03:19:01,447 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 422 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:01,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 838 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 03:19:01,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3172 states. [2024-11-28 03:19:02,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3172 to 3117. [2024-11-28 03:19:02,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3117 states, 2693 states have (on average 1.3913850724099517) internal successors, (3747), 2734 states have internal predecessors, (3747), 380 states have call successors, (380), 2 states have call predecessors, (380), 2 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2024-11-28 03:19:02,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 4507 transitions. [2024-11-28 03:19:02,222 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 4507 transitions. Word has length 137 [2024-11-28 03:19:02,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:02,222 INFO L471 AbstractCegarLoop]: Abstraction has 3117 states and 4507 transitions. [2024-11-28 03:19:02,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 12 states have internal predecessors, (83), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:19:02,223 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 4507 transitions. [2024-11-28 03:19:02,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 03:19:02,223 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:02,223 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:02,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Ended with exit code 0 [2024-11-28 03:19:02,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:02,424 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:19:02,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:02,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1413848499, now seen corresponding path program 1 times [2024-11-28 03:19:02,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:02,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959775289] [2024-11-28 03:19:02,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:02,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:19:02,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [838691088] [2024-11-28 03:19:02,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:02,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:02,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:02,445 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:02,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2024-11-28 03:19:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:02,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-28 03:19:02,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:06,325 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:19:06,325 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:19:17,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:17,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959775289] [2024-11-28 03:19:17,417 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:19:17,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838691088] [2024-11-28 03:19:17,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838691088] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:19:17,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:19:17,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-28 03:19:17,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381908766] [2024-11-28 03:19:17,418 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:19:17,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 03:19:17,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:17,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 03:19:17,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=526, Unknown=3, NotChecked=0, Total=650 [2024-11-28 03:19:17,418 INFO L87 Difference]: Start difference. First operand 3117 states and 4507 transitions. Second operand has 18 states, 17 states have (on average 5.117647058823529) internal successors, (87), 18 states have internal predecessors, (87), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:19:22,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:22,844 INFO L93 Difference]: Finished difference Result 3136 states and 4519 transitions. [2024-11-28 03:19:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 03:19:22,844 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.117647058823529) internal successors, (87), 18 states have internal predecessors, (87), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 138 [2024-11-28 03:19:22,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:22,850 INFO L225 Difference]: With dead ends: 3136 [2024-11-28 03:19:22,850 INFO L226 Difference]: Without dead ends: 3135 [2024-11-28 03:19:22,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=277, Invalid=1202, Unknown=3, NotChecked=0, Total=1482 [2024-11-28 03:19:22,852 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 368 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 1770 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 1803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:22,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 500 Invalid, 1803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1770 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-28 03:19:22,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3135 states. [2024-11-28 03:19:23,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3135 to 3123. [2024-11-28 03:19:23,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3123 states, 2699 states have (on average 1.3905150055576139) internal successors, (3753), 2740 states have internal predecessors, (3753), 380 states have call successors, (380), 2 states have call predecessors, (380), 2 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2024-11-28 03:19:23,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 3123 states and 4513 transitions. [2024-11-28 03:19:23,650 INFO L78 Accepts]: Start accepts. Automaton has 3123 states and 4513 transitions. Word has length 138 [2024-11-28 03:19:23,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:23,650 INFO L471 AbstractCegarLoop]: Abstraction has 3123 states and 4513 transitions. [2024-11-28 03:19:23,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.117647058823529) internal successors, (87), 18 states have internal predecessors, (87), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:19:23,650 INFO L276 IsEmpty]: Start isEmpty. Operand 3123 states and 4513 transitions. [2024-11-28 03:19:23,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 03:19:23,651 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:23,651 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:23,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Ended with exit code 0 [2024-11-28 03:19:23,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:23,852 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:19:23,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:23,853 INFO L85 PathProgramCache]: Analyzing trace with hash -899264971, now seen corresponding path program 1 times [2024-11-28 03:19:23,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:23,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257030461] [2024-11-28 03:19:23,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:23,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:24,364 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 30 proven. 35 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-11-28 03:19:24,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:24,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257030461] [2024-11-28 03:19:24,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257030461] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:19:24,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203233680] [2024-11-28 03:19:24,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:24,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:24,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:24,367 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:24,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2024-11-28 03:19:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:24,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:19:24,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:25,054 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 95 proven. 34 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-11-28 03:19:25,054 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:19:25,839 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 30 proven. 35 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-11-28 03:19:25,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203233680] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:19:25,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:19:25,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-11-28 03:19:25,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358161386] [2024-11-28 03:19:25,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:19:25,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 03:19:25,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:25,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 03:19:25,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=463, Unknown=0, NotChecked=0, Total=552 [2024-11-28 03:19:25,841 INFO L87 Difference]: Start difference. First operand 3123 states and 4513 transitions. Second operand has 24 states, 24 states have (on average 8.041666666666666) internal successors, (193), 24 states have internal predecessors, (193), 10 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (36), 9 states have call predecessors, (36), 10 states have call successors, (36) [2024-11-28 03:19:28,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:28,170 INFO L93 Difference]: Finished difference Result 3592 states and 5193 transitions. [2024-11-28 03:19:28,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:19:28,170 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 8.041666666666666) internal successors, (193), 24 states have internal predecessors, (193), 10 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (36), 9 states have call predecessors, (36), 10 states have call successors, (36) Word has length 140 [2024-11-28 03:19:28,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:28,173 INFO L225 Difference]: With dead ends: 3592 [2024-11-28 03:19:28,173 INFO L226 Difference]: Without dead ends: 1427 [2024-11-28 03:19:28,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 266 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=202, Invalid=790, Unknown=0, NotChecked=0, Total=992 [2024-11-28 03:19:28,178 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 261 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 1254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:28,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 839 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1226 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 03:19:28,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2024-11-28 03:19:28,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 1409. [2024-11-28 03:19:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1409 states, 1197 states have (on average 1.3984962406015038) internal successors, (1674), 1238 states have internal predecessors, (1674), 168 states have call successors, (168), 2 states have call predecessors, (168), 2 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2024-11-28 03:19:28,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 2010 transitions. [2024-11-28 03:19:28,513 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 2010 transitions. Word has length 140 [2024-11-28 03:19:28,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:28,513 INFO L471 AbstractCegarLoop]: Abstraction has 1409 states and 2010 transitions. [2024-11-28 03:19:28,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.041666666666666) internal successors, (193), 24 states have internal predecessors, (193), 10 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (36), 9 states have call predecessors, (36), 10 states have call successors, (36) [2024-11-28 03:19:28,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 2010 transitions. [2024-11-28 03:19:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 03:19:28,514 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:28,514 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:28,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Forceful destruction successful, exit code 0 [2024-11-28 03:19:28,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:28,714 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:19:28,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:28,715 INFO L85 PathProgramCache]: Analyzing trace with hash 2134605596, now seen corresponding path program 1 times [2024-11-28 03:19:28,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:28,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139995023] [2024-11-28 03:19:28,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:28,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:19:28,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1288413841] [2024-11-28 03:19:28,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:28,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:28,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:28,733 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:28,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2024-11-28 03:19:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:28,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 03:19:28,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:30,766 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:19:30,766 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:19:31,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:31,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139995023] [2024-11-28 03:19:31,103 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:19:31,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288413841] [2024-11-28 03:19:31,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288413841] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:19:31,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:19:31,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-28 03:19:31,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364977057] [2024-11-28 03:19:31,103 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:19:31,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 03:19:31,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:31,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 03:19:31,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2024-11-28 03:19:31,105 INFO L87 Difference]: Start difference. First operand 1409 states and 2010 transitions. Second operand has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 16 states have internal predecessors, (88), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:19:34,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:34,632 INFO L93 Difference]: Finished difference Result 2145 states and 3062 transitions. [2024-11-28 03:19:34,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 03:19:34,633 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 16 states have internal predecessors, (88), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 139 [2024-11-28 03:19:34,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:34,637 INFO L225 Difference]: With dead ends: 2145 [2024-11-28 03:19:34,637 INFO L226 Difference]: Without dead ends: 2143 [2024-11-28 03:19:34,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=177, Invalid=635, Unknown=0, NotChecked=0, Total=812 [2024-11-28 03:19:34,639 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 680 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 1862 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 1306 SdHoareTripleChecker+Invalid, 1920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:34,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 1306 Invalid, 1920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1862 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-28 03:19:34,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2143 states. [2024-11-28 03:19:35,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2143 to 1990. [2024-11-28 03:19:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1990 states, 1702 states have (on average 1.4077555816686251) internal successors, (2396), 1743 states have internal predecessors, (2396), 244 states have call successors, (244), 2 states have call predecessors, (244), 2 states have return successors, (244), 244 states have call predecessors, (244), 244 states have call successors, (244) [2024-11-28 03:19:35,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1990 states and 2884 transitions. [2024-11-28 03:19:35,097 INFO L78 Accepts]: Start accepts. Automaton has 1990 states and 2884 transitions. Word has length 139 [2024-11-28 03:19:35,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:35,097 INFO L471 AbstractCegarLoop]: Abstraction has 1990 states and 2884 transitions. [2024-11-28 03:19:35,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 16 states have internal predecessors, (88), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:19:35,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 2884 transitions. [2024-11-28 03:19:35,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 03:19:35,098 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:35,099 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:35,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Ended with exit code 0 [2024-11-28 03:19:35,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:35,299 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:19:35,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:35,300 INFO L85 PathProgramCache]: Analyzing trace with hash -879630322, now seen corresponding path program 1 times [2024-11-28 03:19:35,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:35,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807536793] [2024-11-28 03:19:35,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:35,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:19:35,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1697826966] [2024-11-28 03:19:35,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:35,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:35,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:35,317 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:35,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2024-11-28 03:19:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:35,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-28 03:19:35,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:38,569 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:19:38,569 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:19:53,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:53,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807536793] [2024-11-28 03:19:53,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:19:53,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697826966] [2024-11-28 03:19:53,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697826966] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:19:53,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:19:53,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-28 03:19:53,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621110676] [2024-11-28 03:19:53,135 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:19:53,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 03:19:53,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:53,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 03:19:53,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=528, Unknown=3, NotChecked=0, Total=650 [2024-11-28 03:19:53,136 INFO L87 Difference]: Start difference. First operand 1990 states and 2884 transitions. Second operand has 18 states, 17 states have (on average 5.176470588235294) internal successors, (88), 18 states have internal predecessors, (88), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:19:57,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:57,475 INFO L93 Difference]: Finished difference Result 1996 states and 2889 transitions. [2024-11-28 03:19:57,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 03:19:57,476 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.176470588235294) internal successors, (88), 18 states have internal predecessors, (88), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 139 [2024-11-28 03:19:57,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:57,481 INFO L225 Difference]: With dead ends: 1996 [2024-11-28 03:19:57,482 INFO L226 Difference]: Without dead ends: 1995 [2024-11-28 03:19:57,483 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=283, Invalid=1274, Unknown=3, NotChecked=0, Total=1560 [2024-11-28 03:19:57,484 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 262 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 1728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:57,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 427 Invalid, 1728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-28 03:19:57,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1995 states. [2024-11-28 03:19:57,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1995 to 1991. [2024-11-28 03:19:57,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1991 states, 1703 states have (on average 1.4075161479741631) internal successors, (2397), 1744 states have internal predecessors, (2397), 244 states have call successors, (244), 2 states have call predecessors, (244), 2 states have return successors, (244), 244 states have call predecessors, (244), 244 states have call successors, (244) [2024-11-28 03:19:57,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1991 states and 2885 transitions. [2024-11-28 03:19:57,991 INFO L78 Accepts]: Start accepts. Automaton has 1991 states and 2885 transitions. Word has length 139 [2024-11-28 03:19:57,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:57,991 INFO L471 AbstractCegarLoop]: Abstraction has 1991 states and 2885 transitions. [2024-11-28 03:19:57,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.176470588235294) internal successors, (88), 18 states have internal predecessors, (88), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:19:57,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2885 transitions. [2024-11-28 03:19:57,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 03:19:57,992 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:57,992 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:58,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Forceful destruction successful, exit code 0 [2024-11-28 03:19:58,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2024-11-28 03:19:58,193 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:19:58,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:58,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1748264203, now seen corresponding path program 1 times [2024-11-28 03:19:58,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:58,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154299730] [2024-11-28 03:19:58,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:58,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:19:58,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1359140148] [2024-11-28 03:19:58,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:58,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:58,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:58,209 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:58,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Waiting until timeout for monitored process [2024-11-28 03:19:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:58,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 03:19:58,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:20:00,280 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:20:00,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:00,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154299730] [2024-11-28 03:20:00,709 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:20:00,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359140148] [2024-11-28 03:20:00,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359140148] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:20:00,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:20:00,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-28 03:20:00,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205564164] [2024-11-28 03:20:00,709 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:20:00,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 03:20:00,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:00,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 03:20:00,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-11-28 03:20:00,711 INFO L87 Difference]: Start difference. First operand 1991 states and 2885 transitions. Second operand has 16 states, 15 states have (on average 5.933333333333334) internal successors, (89), 16 states have internal predecessors, (89), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:20:04,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:20:04,124 INFO L93 Difference]: Finished difference Result 2146 states and 3050 transitions. [2024-11-28 03:20:04,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 03:20:04,124 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.933333333333334) internal successors, (89), 16 states have internal predecessors, (89), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 140 [2024-11-28 03:20:04,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:20:04,128 INFO L225 Difference]: With dead ends: 2146 [2024-11-28 03:20:04,128 INFO L226 Difference]: Without dead ends: 2144 [2024-11-28 03:20:04,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=178, Invalid=634, Unknown=0, NotChecked=0, Total=812 [2024-11-28 03:20:04,129 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 541 mSDsluCounter, 1250 mSDsCounter, 0 mSdLazyCounter, 1834 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:20:04,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 1418 Invalid, 1877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1834 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-28 03:20:04,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2144 states. [2024-11-28 03:20:04,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2144 to 1992. [2024-11-28 03:20:04,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1992 states, 1704 states have (on average 1.4002347417840375) internal successors, (2386), 1745 states have internal predecessors, (2386), 244 states have call successors, (244), 2 states have call predecessors, (244), 2 states have return successors, (244), 244 states have call predecessors, (244), 244 states have call successors, (244) [2024-11-28 03:20:04,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 2874 transitions. [2024-11-28 03:20:04,592 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 2874 transitions. Word has length 140 [2024-11-28 03:20:04,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:20:04,592 INFO L471 AbstractCegarLoop]: Abstraction has 1992 states and 2874 transitions. [2024-11-28 03:20:04,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.933333333333334) internal successors, (89), 16 states have internal predecessors, (89), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:20:04,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2874 transitions. [2024-11-28 03:20:04,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 03:20:04,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:04,593 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:04,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Ended with exit code 0 [2024-11-28 03:20:04,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,76 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:04,794 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:20:04,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:04,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1498736017, now seen corresponding path program 1 times [2024-11-28 03:20:04,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:04,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621134285] [2024-11-28 03:20:04,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:04,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:20:04,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1221664515] [2024-11-28 03:20:04,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:04,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:04,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:04,817 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:20:04,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Waiting until timeout for monitored process [2024-11-28 03:20:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:04,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 03:20:04,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:06,947 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:20:06,947 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:20:12,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:12,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621134285] [2024-11-28 03:20:12,594 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:20:12,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221664515] [2024-11-28 03:20:12,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221664515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:20:12,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:20:12,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 03:20:12,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131949591] [2024-11-28 03:20:12,595 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:20:12,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:20:12,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:12,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:20:12,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=350, Unknown=1, NotChecked=0, Total=420 [2024-11-28 03:20:12,597 INFO L87 Difference]: Start difference. First operand 1992 states and 2874 transitions. Second operand has 14 states, 13 states have (on average 6.615384615384615) internal successors, (86), 14 states have internal predecessors, (86), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:20:14,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:20:14,667 INFO L93 Difference]: Finished difference Result 2001 states and 2883 transitions. [2024-11-28 03:20:14,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:20:14,668 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.615384615384615) internal successors, (86), 14 states have internal predecessors, (86), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 140 [2024-11-28 03:20:14,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:20:14,672 INFO L225 Difference]: With dead ends: 2001 [2024-11-28 03:20:14,672 INFO L226 Difference]: Without dead ends: 1999 [2024-11-28 03:20:14,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=96, Invalid=455, Unknown=1, NotChecked=0, Total=552 [2024-11-28 03:20:14,673 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 15 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:20:14,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 375 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 03:20:14,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2024-11-28 03:20:15,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1995. [2024-11-28 03:20:15,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1995 states, 1707 states have (on average 1.4007029876977153) internal successors, (2391), 1748 states have internal predecessors, (2391), 244 states have call successors, (244), 2 states have call predecessors, (244), 2 states have return successors, (244), 244 states have call predecessors, (244), 244 states have call successors, (244) [2024-11-28 03:20:15,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1995 states and 2879 transitions. [2024-11-28 03:20:15,247 INFO L78 Accepts]: Start accepts. Automaton has 1995 states and 2879 transitions. Word has length 140 [2024-11-28 03:20:15,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:20:15,247 INFO L471 AbstractCegarLoop]: Abstraction has 1995 states and 2879 transitions. [2024-11-28 03:20:15,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.615384615384615) internal successors, (86), 14 states have internal predecessors, (86), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:20:15,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 2879 transitions. [2024-11-28 03:20:15,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 03:20:15,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:15,248 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:15,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Forceful destruction successful, exit code 0 [2024-11-28 03:20:15,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,77 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:15,449 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:20:15,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:15,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1638384386, now seen corresponding path program 2 times [2024-11-28 03:20:15,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:15,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364638824] [2024-11-28 03:20:15,450 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:20:15,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:15,481 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:20:15,481 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:20:15,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [987289644] [2024-11-28 03:20:15,482 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:20:15,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:15,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:15,487 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:20:15,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2024-11-28 03:20:15,587 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:20:15,587 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:20:15,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-28 03:20:15,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:19,552 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:20:19,552 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:20:22,416 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:20:22,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:22,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364638824] [2024-11-28 03:20:22,416 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:20:22,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987289644] [2024-11-28 03:20:22,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987289644] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:20:22,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:20:22,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2024-11-28 03:20:22,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790490180] [2024-11-28 03:20:22,417 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:20:22,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-28 03:20:22,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:22,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-28 03:20:22,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=980, Unknown=0, NotChecked=0, Total=1190 [2024-11-28 03:20:22,419 INFO L87 Difference]: Start difference. First operand 1995 states and 2879 transitions. Second operand has 35 states, 34 states have (on average 5.029411764705882) internal successors, (171), 35 states have internal predecessors, (171), 7 states have call successors, (23), 1 states have call predecessors, (23), 2 states have return successors, (24), 6 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-28 03:20:36,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:20:36,015 INFO L93 Difference]: Finished difference Result 2612 states and 3732 transitions. [2024-11-28 03:20:36,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-28 03:20:36,016 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 5.029411764705882) internal successors, (171), 35 states have internal predecessors, (171), 7 states have call successors, (23), 1 states have call predecessors, (23), 2 states have return successors, (24), 6 states have call predecessors, (24), 7 states have call successors, (24) Word has length 141 [2024-11-28 03:20:36,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:20:36,019 INFO L225 Difference]: With dead ends: 2612 [2024-11-28 03:20:36,019 INFO L226 Difference]: Without dead ends: 2607 [2024-11-28 03:20:36,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1418 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=1045, Invalid=4807, Unknown=0, NotChecked=0, Total=5852 [2024-11-28 03:20:36,021 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 2143 mSDsluCounter, 1483 mSDsCounter, 0 mSdLazyCounter, 4305 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 1612 SdHoareTripleChecker+Invalid, 4612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 4305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:20:36,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 1612 Invalid, 4612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 4305 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2024-11-28 03:20:36,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2607 states. [2024-11-28 03:20:36,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2607 to 2522. [2024-11-28 03:20:36,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2522 states, 2171 states have (on average 1.3832335329341316) internal successors, (3003), 2212 states have internal predecessors, (3003), 307 states have call successors, (307), 2 states have call predecessors, (307), 2 states have return successors, (307), 307 states have call predecessors, (307), 307 states have call successors, (307) [2024-11-28 03:20:36,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 3617 transitions. [2024-11-28 03:20:36,554 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 3617 transitions. Word has length 141 [2024-11-28 03:20:36,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:20:36,555 INFO L471 AbstractCegarLoop]: Abstraction has 2522 states and 3617 transitions. [2024-11-28 03:20:36,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 5.029411764705882) internal successors, (171), 35 states have internal predecessors, (171), 7 states have call successors, (23), 1 states have call predecessors, (23), 2 states have return successors, (24), 6 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-28 03:20:36,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 3617 transitions. [2024-11-28 03:20:36,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 03:20:36,555 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:36,556 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:36,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Ended with exit code 0 [2024-11-28 03:20:36,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2024-11-28 03:20:36,756 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:20:36,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:36,756 INFO L85 PathProgramCache]: Analyzing trace with hash 783823920, now seen corresponding path program 1 times [2024-11-28 03:20:36,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:36,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465802002] [2024-11-28 03:20:36,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:36,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:20:36,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2048377868] [2024-11-28 03:20:36,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:36,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:36,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:36,773 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:20:36,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2024-11-28 03:20:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:36,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-28 03:20:36,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:20:41,162 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:20:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:20:44,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:44,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465802002] [2024-11-28 03:20:44,645 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:20:44,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048377868] [2024-11-28 03:20:44,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048377868] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:20:44,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:20:44,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2024-11-28 03:20:44,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248699608] [2024-11-28 03:20:44,645 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:20:44,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-28 03:20:44,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:44,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-28 03:20:44,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=708, Unknown=0, NotChecked=0, Total=812 [2024-11-28 03:20:44,647 INFO L87 Difference]: Start difference. First operand 2522 states and 3617 transitions. Second operand has 29 states, 28 states have (on average 6.107142857142857) internal successors, (171), 29 states have internal predecessors, (171), 7 states have call successors, (23), 1 states have call predecessors, (23), 2 states have return successors, (24), 6 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-28 03:21:03,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:21:07,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:07,312 INFO L93 Difference]: Finished difference Result 2582 states and 3674 transitions. [2024-11-28 03:21:07,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-28 03:21:07,312 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 6.107142857142857) internal successors, (171), 29 states have internal predecessors, (171), 7 states have call successors, (23), 1 states have call predecessors, (23), 2 states have return successors, (24), 6 states have call predecessors, (24), 7 states have call successors, (24) Word has length 141 [2024-11-28 03:21:07,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:07,319 INFO L225 Difference]: With dead ends: 2582 [2024-11-28 03:21:07,319 INFO L226 Difference]: Without dead ends: 2549 [2024-11-28 03:21:07,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=683, Invalid=2509, Unknown=0, NotChecked=0, Total=3192 [2024-11-28 03:21:07,321 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 1008 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 2840 mSolverCounterSat, 147 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1008 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 2988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 2840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:07,321 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1008 Valid, 548 Invalid, 2988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 2840 Invalid, 1 Unknown, 0 Unchecked, 16.5s Time] [2024-11-28 03:21:07,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2549 states. [2024-11-28 03:21:07,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2549 to 2522. [2024-11-28 03:21:07,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2522 states, 2171 states have (on average 1.383694150161216) internal successors, (3004), 2212 states have internal predecessors, (3004), 307 states have call successors, (307), 2 states have call predecessors, (307), 2 states have return successors, (307), 307 states have call predecessors, (307), 307 states have call successors, (307) [2024-11-28 03:21:07,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 3618 transitions. [2024-11-28 03:21:07,969 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 3618 transitions. Word has length 141 [2024-11-28 03:21:07,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:07,969 INFO L471 AbstractCegarLoop]: Abstraction has 2522 states and 3618 transitions. [2024-11-28 03:21:07,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 6.107142857142857) internal successors, (171), 29 states have internal predecessors, (171), 7 states have call successors, (23), 1 states have call predecessors, (23), 2 states have return successors, (24), 6 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-28 03:21:07,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 3618 transitions. [2024-11-28 03:21:07,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 03:21:07,971 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:07,971 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:07,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Forceful destruction successful, exit code 0 [2024-11-28 03:21:08,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2024-11-28 03:21:08,171 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:21:08,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:08,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1765608160, now seen corresponding path program 2 times [2024-11-28 03:21:08,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:08,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321137368] [2024-11-28 03:21:08,172 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:21:08,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:08,195 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:21:08,196 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:21:08,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1195000991] [2024-11-28 03:21:08,197 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:21:08,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:08,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:08,203 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:08,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Waiting until timeout for monitored process [2024-11-28 03:21:08,295 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:21:08,295 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:21:08,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 03:21:08,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:09,537 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:21:09,537 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:21:14,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:14,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321137368] [2024-11-28 03:21:14,366 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:21:14,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195000991] [2024-11-28 03:21:14,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195000991] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:14,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:21:14,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 03:21:14,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112851506] [2024-11-28 03:21:14,367 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:21:14,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:21:14,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:14,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:21:14,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=288, Unknown=1, NotChecked=0, Total=342 [2024-11-28 03:21:14,368 INFO L87 Difference]: Start difference. First operand 2522 states and 3618 transitions. Second operand has 14 states, 13 states have (on average 6.846153846153846) internal successors, (89), 14 states have internal predecessors, (89), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:21:17,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:17,922 INFO L93 Difference]: Finished difference Result 2588 states and 3655 transitions. [2024-11-28 03:21:17,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:21:17,922 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.846153846153846) internal successors, (89), 14 states have internal predecessors, (89), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 143 [2024-11-28 03:21:17,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:17,925 INFO L225 Difference]: With dead ends: 2588 [2024-11-28 03:21:17,925 INFO L226 Difference]: Without dead ends: 2586 [2024-11-28 03:21:17,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=122, Invalid=633, Unknown=1, NotChecked=0, Total=756 [2024-11-28 03:21:17,926 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 444 mSDsluCounter, 1233 mSDsCounter, 0 mSdLazyCounter, 1995 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 2039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:17,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 1415 Invalid, 2039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1995 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-28 03:21:17,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2586 states. [2024-11-28 03:21:18,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2586 to 2226. [2024-11-28 03:21:18,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2226 states, 1915 states have (on average 1.3712793733681463) internal successors, (2626), 1956 states have internal predecessors, (2626), 267 states have call successors, (267), 2 states have call predecessors, (267), 2 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-28 03:21:18,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 2226 states and 3160 transitions. [2024-11-28 03:21:18,415 INFO L78 Accepts]: Start accepts. Automaton has 2226 states and 3160 transitions. Word has length 143 [2024-11-28 03:21:18,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:18,416 INFO L471 AbstractCegarLoop]: Abstraction has 2226 states and 3160 transitions. [2024-11-28 03:21:18,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.846153846153846) internal successors, (89), 14 states have internal predecessors, (89), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 03:21:18,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 3160 transitions. [2024-11-28 03:21:18,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-28 03:21:18,416 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:18,417 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:18,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Forceful destruction successful, exit code 0 [2024-11-28 03:21:18,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89,80 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:18,617 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:21:18,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:18,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1100721713, now seen corresponding path program 1 times [2024-11-28 03:21:18,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:18,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292642522] [2024-11-28 03:21:18,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:18,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:21:18,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [39746879] [2024-11-28 03:21:18,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:18,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:18,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:18,645 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:18,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Waiting until timeout for monitored process [2024-11-28 03:21:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:18,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-28 03:21:18,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:21,319 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 3 proven. 46 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:21:21,319 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:21:25,452 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 3 proven. 46 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:21:25,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:25,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292642522] [2024-11-28 03:21:25,453 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:21:25,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39746879] [2024-11-28 03:21:25,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39746879] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:21:25,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:21:25,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2024-11-28 03:21:25,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299843249] [2024-11-28 03:21:25,453 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:21:25,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-28 03:21:25,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:25,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-28 03:21:25,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=945, Unknown=0, NotChecked=0, Total=1056 [2024-11-28 03:21:25,454 INFO L87 Difference]: Start difference. First operand 2226 states and 3160 transitions. Second operand has 33 states, 32 states have (on average 5.5) internal successors, (176), 31 states have internal predecessors, (176), 7 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2024-11-28 03:21:34,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:21:38,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:21:45,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:21:55,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:21:59,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:22:06,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:22:10,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:22:14,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:22:19,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:22:23,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:22:27,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:22:30,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:22:37,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:22:41,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:22:48,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:22:52,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:22:56,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:23:01,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:23:07,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:23:11,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:23:16,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:23:20,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:23:25,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:23:32,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:23:47,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:47,029 INFO L93 Difference]: Finished difference Result 3094 states and 4334 transitions. [2024-11-28 03:23:47,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-11-28 03:23:47,030 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 5.5) internal successors, (176), 31 states have internal predecessors, (176), 7 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) Word has length 144 [2024-11-28 03:23:47,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:47,035 INFO L225 Difference]: With dead ends: 3094 [2024-11-28 03:23:47,035 INFO L226 Difference]: Without dead ends: 3091 [2024-11-28 03:23:47,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2913 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=1703, Invalid=9853, Unknown=0, NotChecked=0, Total=11556 [2024-11-28 03:23:47,038 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 4154 mSDsluCounter, 1321 mSDsCounter, 0 mSdLazyCounter, 6435 mSolverCounterSat, 605 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 120.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4154 SdHoareTripleChecker+Valid, 1429 SdHoareTripleChecker+Invalid, 7063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 605 IncrementalHoareTripleChecker+Valid, 6435 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 121.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:47,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4154 Valid, 1429 Invalid, 7063 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [605 Valid, 6435 Invalid, 23 Unknown, 0 Unchecked, 121.9s Time] [2024-11-28 03:23:47,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3091 states. [2024-11-28 03:23:47,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3091 to 2252. [2024-11-28 03:23:47,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2252 states, 1941 states have (on average 1.3668212261720762) internal successors, (2653), 1982 states have internal predecessors, (2653), 267 states have call successors, (267), 2 states have call predecessors, (267), 2 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-28 03:23:47,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 2252 states and 3187 transitions. [2024-11-28 03:23:47,736 INFO L78 Accepts]: Start accepts. Automaton has 2252 states and 3187 transitions. Word has length 144 [2024-11-28 03:23:47,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:47,736 INFO L471 AbstractCegarLoop]: Abstraction has 2252 states and 3187 transitions. [2024-11-28 03:23:47,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 5.5) internal successors, (176), 31 states have internal predecessors, (176), 7 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2024-11-28 03:23:47,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2252 states and 3187 transitions. [2024-11-28 03:23:47,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-28 03:23:47,737 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:47,737 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:47,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Ended with exit code 0 [2024-11-28 03:23:47,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,81 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:23:47,937 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:23:47,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:47,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1988958329, now seen corresponding path program 1 times [2024-11-28 03:23:47,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:47,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592751649] [2024-11-28 03:23:47,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:47,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:48,386 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 43 proven. 19 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:23:48,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:48,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592751649] [2024-11-28 03:23:48,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592751649] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:23:48,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545095447] [2024-11-28 03:23:48,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:48,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:23:48,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:48,391 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:23:48,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Waiting until timeout for monitored process [2024-11-28 03:23:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:48,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 03:23:48,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:23:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 44 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:23:49,686 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:23:50,681 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 45 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:23:50,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545095447] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:23:50,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:23:50,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 27 [2024-11-28 03:23:50,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255803576] [2024-11-28 03:23:50,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:23:50,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-28 03:23:50,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:50,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-28 03:23:50,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2024-11-28 03:23:50,684 INFO L87 Difference]: Start difference. First operand 2252 states and 3187 transitions. Second operand has 27 states, 27 states have (on average 7.888888888888889) internal successors, (213), 24 states have internal predecessors, (213), 10 states have call successors, (32), 1 states have call predecessors, (32), 2 states have return successors, (34), 10 states have call predecessors, (34), 10 states have call successors, (34) [2024-11-28 03:23:54,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:54,755 INFO L93 Difference]: Finished difference Result 2463 states and 3438 transitions. [2024-11-28 03:23:54,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-28 03:23:54,755 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.888888888888889) internal successors, (213), 24 states have internal predecessors, (213), 10 states have call successors, (32), 1 states have call predecessors, (32), 2 states have return successors, (34), 10 states have call predecessors, (34), 10 states have call successors, (34) Word has length 144 [2024-11-28 03:23:54,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:54,757 INFO L225 Difference]: With dead ends: 2463 [2024-11-28 03:23:54,757 INFO L226 Difference]: Without dead ends: 756 [2024-11-28 03:23:54,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 274 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=621, Invalid=2031, Unknown=0, NotChecked=0, Total=2652 [2024-11-28 03:23:54,761 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 818 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:54,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 1377 Invalid, 1868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-28 03:23:54,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2024-11-28 03:23:54,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 747. [2024-11-28 03:23:54,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 639 states have (on average 1.1455399061032865) internal successors, (732), 660 states have internal predecessors, (732), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-28 03:23:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 900 transitions. [2024-11-28 03:23:55,001 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 900 transitions. Word has length 144 [2024-11-28 03:23:55,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:55,001 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 900 transitions. [2024-11-28 03:23:55,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.888888888888889) internal successors, (213), 24 states have internal predecessors, (213), 10 states have call successors, (32), 1 states have call predecessors, (32), 2 states have return successors, (34), 10 states have call predecessors, (34), 10 states have call successors, (34) [2024-11-28 03:23:55,001 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 900 transitions. [2024-11-28 03:23:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 03:23:55,002 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:55,002 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:55,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Forceful destruction successful, exit code 0 [2024-11-28 03:23:55,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,82 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:23:55,203 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:23:55,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:55,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1194071361, now seen corresponding path program 1 times [2024-11-28 03:23:55,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:55,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143619362] [2024-11-28 03:23:55,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:55,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:55,492 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 52 proven. 31 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-28 03:23:55,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:55,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143619362] [2024-11-28 03:23:55,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143619362] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:23:55,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974451890] [2024-11-28 03:23:55,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:55,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:23:55,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:55,494 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:23:55,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Waiting until timeout for monitored process [2024-11-28 03:23:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:55,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 03:23:55,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:23:56,037 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 173 proven. 6 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:23:56,037 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:23:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 52 proven. 31 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-28 03:23:56,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974451890] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:23:56,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:23:56,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-11-28 03:23:56,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819719227] [2024-11-28 03:23:56,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:23:56,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 03:23:56,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:56,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 03:23:56,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-11-28 03:23:56,446 INFO L87 Difference]: Start difference. First operand 747 states and 900 transitions. Second operand has 23 states, 23 states have (on average 8.173913043478262) internal successors, (188), 20 states have internal predecessors, (188), 11 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (42), 13 states have call predecessors, (42), 11 states have call successors, (42) [2024-11-28 03:23:57,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:57,573 INFO L93 Difference]: Finished difference Result 758 states and 904 transitions. [2024-11-28 03:23:57,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:23:57,574 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 8.173913043478262) internal successors, (188), 20 states have internal predecessors, (188), 11 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (42), 13 states have call predecessors, (42), 11 states have call successors, (42) Word has length 149 [2024-11-28 03:23:57,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:57,575 INFO L225 Difference]: With dead ends: 758 [2024-11-28 03:23:57,575 INFO L226 Difference]: Without dead ends: 549 [2024-11-28 03:23:57,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=159, Invalid=653, Unknown=0, NotChecked=0, Total=812 [2024-11-28 03:23:57,577 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 742 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:57,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 388 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:23:57,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-11-28 03:23:57,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 549. [2024-11-28 03:23:57,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 462 states have (on average 1.170995670995671) internal successors, (541), 482 states have internal predecessors, (541), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-28 03:23:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 669 transitions. [2024-11-28 03:23:57,729 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 669 transitions. Word has length 149 [2024-11-28 03:23:57,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:57,729 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 669 transitions. [2024-11-28 03:23:57,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 8.173913043478262) internal successors, (188), 20 states have internal predecessors, (188), 11 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (42), 13 states have call predecessors, (42), 11 states have call successors, (42) [2024-11-28 03:23:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 669 transitions. [2024-11-28 03:23:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 03:23:57,730 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:57,730 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:57,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Ended with exit code 0 [2024-11-28 03:23:57,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,83 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:23:57,931 INFO L396 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:23:57,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:57,931 INFO L85 PathProgramCache]: Analyzing trace with hash 474928804, now seen corresponding path program 2 times [2024-11-28 03:23:57,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:57,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383930066] [2024-11-28 03:23:57,931 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:23:57,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:57,948 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:23:57,948 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:23:57,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1575230808] [2024-11-28 03:23:57,949 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:23:57,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:23:57,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:57,955 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:23:57,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Waiting until timeout for monitored process [2024-11-28 03:23:58,046 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:23:58,047 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:23:58,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 03:23:58,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:00,166 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 3 proven. 46 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:24:00,166 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:24:00,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:00,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383930066] [2024-11-28 03:24:00,935 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:24:00,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575230808] [2024-11-28 03:24:00,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575230808] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:24:00,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:24:00,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-28 03:24:00,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069493051] [2024-11-28 03:24:00,935 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:24:00,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 03:24:00,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:00,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 03:24:00,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2024-11-28 03:24:00,936 INFO L87 Difference]: Start difference. First operand 549 states and 669 transitions. Second operand has 18 states, 17 states have (on average 5.647058823529412) internal successors, (96), 17 states have internal predecessors, (96), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:24:02,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:02,830 INFO L93 Difference]: Finished difference Result 566 states and 683 transitions. [2024-11-28 03:24:02,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 03:24:02,830 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.647058823529412) internal successors, (96), 17 states have internal predecessors, (96), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 147 [2024-11-28 03:24:02,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:02,832 INFO L225 Difference]: With dead ends: 566 [2024-11-28 03:24:02,832 INFO L226 Difference]: Without dead ends: 565 [2024-11-28 03:24:02,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=151, Invalid=661, Unknown=0, NotChecked=0, Total=812 [2024-11-28 03:24:02,833 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 302 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:02,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 753 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 03:24:02,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-28 03:24:02,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 553. [2024-11-28 03:24:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 466 states have (on average 1.1695278969957081) internal successors, (545), 486 states have internal predecessors, (545), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-28 03:24:02,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 673 transitions. [2024-11-28 03:24:02,975 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 673 transitions. Word has length 147 [2024-11-28 03:24:02,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:02,975 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 673 transitions. [2024-11-28 03:24:02,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.647058823529412) internal successors, (96), 17 states have internal predecessors, (96), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:24:02,975 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 673 transitions. [2024-11-28 03:24:02,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-28 03:24:02,976 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:02,976 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:02,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Ended with exit code 0 [2024-11-28 03:24:03,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,84 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:24:03,176 INFO L396 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:24:03,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:03,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1837891219, now seen corresponding path program 2 times [2024-11-28 03:24:03,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:03,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959871357] [2024-11-28 03:24:03,177 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:24:03,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:03,190 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:24:03,191 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:24:03,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [299594979] [2024-11-28 03:24:03,192 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:24:03,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:24:03,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:03,200 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:24:03,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Waiting until timeout for monitored process [2024-11-28 03:24:03,268 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:24:03,269 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:24:03,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 03:24:03,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:05,182 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 3 proven. 46 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:24:05,182 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:24:06,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:06,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959871357] [2024-11-28 03:24:06,726 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:24:06,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299594979] [2024-11-28 03:24:06,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299594979] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:24:06,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:24:06,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-28 03:24:06,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687688815] [2024-11-28 03:24:06,727 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:24:06,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 03:24:06,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:06,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 03:24:06,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2024-11-28 03:24:06,728 INFO L87 Difference]: Start difference. First operand 553 states and 673 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 17 states have internal predecessors, (97), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:24:08,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:08,441 INFO L93 Difference]: Finished difference Result 566 states and 682 transitions. [2024-11-28 03:24:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 03:24:08,442 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 17 states have internal predecessors, (97), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 148 [2024-11-28 03:24:08,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:08,443 INFO L225 Difference]: With dead ends: 566 [2024-11-28 03:24:08,443 INFO L226 Difference]: Without dead ends: 565 [2024-11-28 03:24:08,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=151, Invalid=661, Unknown=0, NotChecked=0, Total=812 [2024-11-28 03:24:08,444 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 370 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:08,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 572 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 03:24:08,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-28 03:24:08,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 554. [2024-11-28 03:24:08,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 467 states have (on average 1.1691648822269807) internal successors, (546), 487 states have internal predecessors, (546), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-28 03:24:08,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 674 transitions. [2024-11-28 03:24:08,585 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 674 transitions. Word has length 148 [2024-11-28 03:24:08,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:08,585 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 674 transitions. [2024-11-28 03:24:08,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 17 states have internal predecessors, (97), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:24:08,585 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 674 transitions. [2024-11-28 03:24:08,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 03:24:08,586 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:08,586 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:08,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Forceful destruction successful, exit code 0 [2024-11-28 03:24:08,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,85 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:24:08,786 INFO L396 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:24:08,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:08,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1140053126, now seen corresponding path program 2 times [2024-11-28 03:24:08,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:08,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152774135] [2024-11-28 03:24:08,787 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:24:08,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:08,802 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:24:08,802 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:24:08,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1699374128] [2024-11-28 03:24:08,803 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:24:08,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:24:08,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:08,806 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:24:08,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Waiting until timeout for monitored process [2024-11-28 03:24:08,889 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:24:08,889 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:24:08,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-28 03:24:08,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:11,371 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 3 proven. 46 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:24:11,371 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:24:28,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:28,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152774135] [2024-11-28 03:24:28,004 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:24:28,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699374128] [2024-11-28 03:24:28,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699374128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:24:28,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:24:28,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2024-11-28 03:24:28,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289015119] [2024-11-28 03:24:28,005 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:24:28,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-28 03:24:28,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:28,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-28 03:24:28,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=516, Unknown=4, NotChecked=0, Total=650 [2024-11-28 03:24:28,006 INFO L87 Difference]: Start difference. First operand 554 states and 674 transitions. Second operand has 20 states, 19 states have (on average 5.157894736842105) internal successors, (98), 19 states have internal predecessors, (98), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:24:30,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:30,274 INFO L93 Difference]: Finished difference Result 563 states and 681 transitions. [2024-11-28 03:24:30,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 03:24:30,274 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.157894736842105) internal successors, (98), 19 states have internal predecessors, (98), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 149 [2024-11-28 03:24:30,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:30,276 INFO L225 Difference]: With dead ends: 563 [2024-11-28 03:24:30,276 INFO L226 Difference]: Without dead ends: 562 [2024-11-28 03:24:30,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=223, Invalid=895, Unknown=4, NotChecked=0, Total=1122 [2024-11-28 03:24:30,277 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 316 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:30,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 551 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 03:24:30,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-28 03:24:30,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 555. [2024-11-28 03:24:30,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 468 states have (on average 1.1688034188034189) internal successors, (547), 488 states have internal predecessors, (547), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-28 03:24:30,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 675 transitions. [2024-11-28 03:24:30,435 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 675 transitions. Word has length 149 [2024-11-28 03:24:30,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:30,435 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 675 transitions. [2024-11-28 03:24:30,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.157894736842105) internal successors, (98), 19 states have internal predecessors, (98), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:24:30,435 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 675 transitions. [2024-11-28 03:24:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 03:24:30,436 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:30,436 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:30,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Ended with exit code 0 [2024-11-28 03:24:30,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,86 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:24:30,636 INFO L396 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:24:30,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:30,637 INFO L85 PathProgramCache]: Analyzing trace with hash 973870638, now seen corresponding path program 1 times [2024-11-28 03:24:30,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:30,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115662188] [2024-11-28 03:24:30,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:30,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:31,063 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 33 proven. 35 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-11-28 03:24:31,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:31,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115662188] [2024-11-28 03:24:31,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115662188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:24:31,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106647315] [2024-11-28 03:24:31,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:31,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:24:31,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:31,066 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:24:31,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Waiting until timeout for monitored process [2024-11-28 03:24:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:31,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:24:31,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:31,739 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 98 proven. 34 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-11-28 03:24:31,739 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:24:32,767 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 33 proven. 35 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-11-28 03:24:32,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106647315] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:24:32,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:24:32,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 26 [2024-11-28 03:24:32,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176008955] [2024-11-28 03:24:32,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:24:32,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-28 03:24:32,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:32,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-28 03:24:32,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=554, Unknown=0, NotChecked=0, Total=650 [2024-11-28 03:24:32,769 INFO L87 Difference]: Start difference. First operand 555 states and 675 transitions. Second operand has 26 states, 26 states have (on average 8.23076923076923) internal successors, (214), 24 states have internal predecessors, (214), 10 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (35), 10 states have call predecessors, (35), 10 states have call successors, (35) [2024-11-28 03:24:34,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:34,362 INFO L93 Difference]: Finished difference Result 563 states and 678 transitions. [2024-11-28 03:24:34,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:24:34,363 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 8.23076923076923) internal successors, (214), 24 states have internal predecessors, (214), 10 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (35), 10 states have call predecessors, (35), 10 states have call successors, (35) Word has length 151 [2024-11-28 03:24:34,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:34,364 INFO L225 Difference]: With dead ends: 563 [2024-11-28 03:24:34,364 INFO L226 Difference]: Without dead ends: 265 [2024-11-28 03:24:34,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 286 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=237, Invalid=953, Unknown=0, NotChecked=0, Total=1190 [2024-11-28 03:24:34,365 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 394 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:34,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 671 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 03:24:34,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-28 03:24:34,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2024-11-28 03:24:34,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 222 states have (on average 1.1396396396396395) internal successors, (253), 238 states have internal predecessors, (253), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-28 03:24:34,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 301 transitions. [2024-11-28 03:24:34,435 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 301 transitions. Word has length 151 [2024-11-28 03:24:34,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:34,435 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 301 transitions. [2024-11-28 03:24:34,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.23076923076923) internal successors, (214), 24 states have internal predecessors, (214), 10 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (35), 10 states have call predecessors, (35), 10 states have call successors, (35) [2024-11-28 03:24:34,435 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 301 transitions. [2024-11-28 03:24:34,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 03:24:34,436 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:34,436 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:34,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Ended with exit code 0 [2024-11-28 03:24:34,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96,87 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:24:34,636 INFO L396 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:24:34,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:34,637 INFO L85 PathProgramCache]: Analyzing trace with hash 981908725, now seen corresponding path program 2 times [2024-11-28 03:24:34,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:34,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339729173] [2024-11-28 03:24:34,637 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:24:34,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:34,651 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:24:34,651 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:24:34,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [330931376] [2024-11-28 03:24:34,652 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:24:34,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:24:34,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:34,656 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:24:34,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Waiting until timeout for monitored process [2024-11-28 03:24:34,733 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:24:34,733 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:24:34,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-28 03:24:34,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:36,852 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 3 proven. 46 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:24:36,852 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:24:49,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:49,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339729173] [2024-11-28 03:24:49,646 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:24:49,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330931376] [2024-11-28 03:24:49,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330931376] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:24:49,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:24:49,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-28 03:24:49,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596874562] [2024-11-28 03:24:49,646 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:24:49,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 03:24:49,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:49,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 03:24:49,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=404, Unknown=3, NotChecked=0, Total=506 [2024-11-28 03:24:49,647 INFO L87 Difference]: Start difference. First operand 265 states and 301 transitions. Second operand has 18 states, 17 states have (on average 5.823529411764706) internal successors, (99), 17 states have internal predecessors, (99), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:24:50,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:50,970 INFO L93 Difference]: Finished difference Result 269 states and 306 transitions. [2024-11-28 03:24:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 03:24:50,970 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.823529411764706) internal successors, (99), 17 states have internal predecessors, (99), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 150 [2024-11-28 03:24:50,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:50,971 INFO L225 Difference]: With dead ends: 269 [2024-11-28 03:24:50,971 INFO L226 Difference]: Without dead ends: 268 [2024-11-28 03:24:50,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=168, Invalid=641, Unknown=3, NotChecked=0, Total=812 [2024-11-28 03:24:50,971 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 174 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:50,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 572 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:24:50,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-28 03:24:51,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 266. [2024-11-28 03:24:51,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 223 states have (on average 1.1390134529147982) internal successors, (254), 239 states have internal predecessors, (254), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-28 03:24:51,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 302 transitions. [2024-11-28 03:24:51,042 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 302 transitions. Word has length 150 [2024-11-28 03:24:51,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:51,043 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 302 transitions. [2024-11-28 03:24:51,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.823529411764706) internal successors, (99), 17 states have internal predecessors, (99), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:24:51,043 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 302 transitions. [2024-11-28 03:24:51,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 03:24:51,043 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:51,043 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:51,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Ended with exit code 0 [2024-11-28 03:24:51,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable97 [2024-11-28 03:24:51,244 INFO L396 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-28 03:24:51,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:51,244 INFO L85 PathProgramCache]: Analyzing trace with hash 374399592, now seen corresponding path program 2 times [2024-11-28 03:24:51,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:51,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121889562] [2024-11-28 03:24:51,244 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:24:51,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:51,257 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:24:51,258 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:24:51,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [32820517] [2024-11-28 03:24:51,258 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:24:51,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:24:51,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:51,262 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:24:51,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7dcb2cf-3842-4685-b11b-6610dbd5e583/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Waiting until timeout for monitored process [2024-11-28 03:24:51,342 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:24:51,342 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:24:51,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-28 03:24:51,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:55,848 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 3 proven. 46 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 03:24:55,848 INFO L312 TraceCheckSpWp]: Computing backward predicates...