./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound2.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_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/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_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/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_00db357c-e46a-488e-a08e-80e598486a1b/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 60ff3152151a0df7365f100539e4b819551c378d98595a816ec37039149f1cc3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:07:21,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:07:21,970 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 02:07:21,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:07:21,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:07:22,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:07:22,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:07:22,001 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:07:22,002 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:07:22,002 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:07:22,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:07:22,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:07:22,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:07:22,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:07:22,003 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:07:22,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:07:22,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:07:22,003 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:07:22,003 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:07:22,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:07:22,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:07:22,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:07:22,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:07:22,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:07:22,004 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 02:07:22,004 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:07:22,004 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:07:22,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:07:22,004 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:07:22,004 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:07:22,004 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:07:22,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:07:22,005 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:07:22,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:07:22,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:22,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:07:22,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:07:22,005 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:07:22,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:07:22,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:22,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:07:22,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:07:22,006 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:07:22,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:07:22,006 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:07:22,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:07:22,006 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:07:22,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:07:22,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:07:22,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:07:22,007 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_00db357c-e46a-488e-a08e-80e598486a1b/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 -> 60ff3152151a0df7365f100539e4b819551c378d98595a816ec37039149f1cc3 [2024-11-28 02:07:22,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:07:22,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:07:22,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:07:22,304 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:07:22,304 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:07:22,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound2.c [2024-11-28 02:07:25,146 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/data/1be1a84a9/1995b65f74014cc5a56fb3d56f69e7d0/FLAG45a38bb9e [2024-11-28 02:07:25,440 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:07:25,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound2.c [2024-11-28 02:07:25,452 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/data/1be1a84a9/1995b65f74014cc5a56fb3d56f69e7d0/FLAG45a38bb9e [2024-11-28 02:07:25,468 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/data/1be1a84a9/1995b65f74014cc5a56fb3d56f69e7d0 [2024-11-28 02:07:25,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:07:25,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:07:25,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:07:25,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:07:25,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:07:25,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:07:25" (1/1) ... [2024-11-28 02:07:25,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2dc4ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:25, skipping insertion in model container [2024-11-28 02:07:25,486 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:07:25" (1/1) ... [2024-11-28 02:07:25,503 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:07:25,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:07:25,716 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:07:25,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:07:25,760 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:07:25,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:25 WrapperNode [2024-11-28 02:07:25,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:07:25,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:07:25,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:07:25,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:07:25,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:25" (1/1) ... [2024-11-28 02:07:25,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:25" (1/1) ... [2024-11-28 02:07:25,798 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2024-11-28 02:07:25,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:07:25,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:07:25,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:07:25,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:07:25,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:25" (1/1) ... [2024-11-28 02:07:25,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:25" (1/1) ... [2024-11-28 02:07:25,812 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:25" (1/1) ... [2024-11-28 02:07:25,824 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 02:07:25,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:25" (1/1) ... [2024-11-28 02:07:25,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:25" (1/1) ... [2024-11-28 02:07:25,828 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:25" (1/1) ... [2024-11-28 02:07:25,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:25" (1/1) ... [2024-11-28 02:07:25,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:25" (1/1) ... [2024-11-28 02:07:25,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:25" (1/1) ... [2024-11-28 02:07:25,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:25" (1/1) ... [2024-11-28 02:07:25,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:07:25,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:07:25,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:07:25,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:07:25,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:25" (1/1) ... [2024-11-28 02:07:25,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:25,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:25,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:25,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:07:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:07:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:07:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:07:25,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:07:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 02:07:25,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 02:07:25,954 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:07:25,956 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:07:26,324 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-28 02:07:26,324 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:07:26,340 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:07:26,343 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:07:26,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:26 BoogieIcfgContainer [2024-11-28 02:07:26,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:07:26,349 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:07:26,349 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:07:26,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:07:26,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:07:25" (1/3) ... [2024-11-28 02:07:26,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcbb446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:26, skipping insertion in model container [2024-11-28 02:07:26,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:25" (2/3) ... [2024-11-28 02:07:26,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcbb446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:26, skipping insertion in model container [2024-11-28 02:07:26,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:26" (3/3) ... [2024-11-28 02:07:26,361 INFO L128 eAbstractionObserver]: Analyzing ICFG ps3-ll_unwindbound2.c [2024-11-28 02:07:26,383 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:07:26,384 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps3-ll_unwindbound2.c that has 2 procedures, 109 locations, 1 initial locations, 1 loop locations, and 46 error locations. [2024-11-28 02:07:26,460 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:07:26,479 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;@674ed9ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:07:26,479 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-28 02:07:26,483 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 59 states have (on average 1.847457627118644) internal successors, (109), 105 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:26,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-28 02:07:26,489 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:26,489 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-28 02:07:26,491 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:26,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:26,498 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2024-11-28 02:07:26,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:26,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764867291] [2024-11-28 02:07:26,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:26,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:26,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:26,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:26,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764867291] [2024-11-28 02:07:26,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764867291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:26,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:26,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:07:26,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132993093] [2024-11-28 02:07:26,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:26,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:26,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:26,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:26,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:26,732 INFO L87 Difference]: Start difference. First operand has 109 states, 59 states have (on average 1.847457627118644) internal successors, (109), 105 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:26,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:26,829 INFO L93 Difference]: Finished difference Result 209 states and 225 transitions. [2024-11-28 02:07:26,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:26,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-28 02:07:26,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:26,838 INFO L225 Difference]: With dead ends: 209 [2024-11-28 02:07:26,839 INFO L226 Difference]: Without dead ends: 96 [2024-11-28 02:07:26,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 02:07:26,850 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 103 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:26,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 194 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:26,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-28 02:07:26,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-28 02:07:26,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 54 states have (on average 1.7592592592592593) internal successors, (95), 93 states have internal predecessors, (95), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:07:26,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 97 transitions. [2024-11-28 02:07:26,906 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 97 transitions. Word has length 4 [2024-11-28 02:07:26,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:26,906 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 97 transitions. [2024-11-28 02:07:26,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:26,907 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 97 transitions. [2024-11-28 02:07:26,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 02:07:26,907 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:26,907 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 02:07:26,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:07:26,908 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:26,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:26,910 INFO L85 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2024-11-28 02:07:26,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:26,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82693002] [2024-11-28 02:07:26,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:26,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:27,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:27,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:27,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82693002] [2024-11-28 02:07:27,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82693002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:27,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:27,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:07:27,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339549985] [2024-11-28 02:07:27,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:27,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:27,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:27,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:27,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:27,016 INFO L87 Difference]: Start difference. First operand 96 states and 97 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:27,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:27,092 INFO L93 Difference]: Finished difference Result 135 states and 136 transitions. [2024-11-28 02:07:27,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:07:27,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-28 02:07:27,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:27,096 INFO L225 Difference]: With dead ends: 135 [2024-11-28 02:07:27,096 INFO L226 Difference]: Without dead ends: 100 [2024-11-28 02:07:27,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 02:07:27,097 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 3 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:27,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 275 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:27,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-28 02:07:27,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-28 02:07:27,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 58 states have (on average 1.706896551724138) internal successors, (99), 97 states have internal predecessors, (99), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:07:27,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 101 transitions. [2024-11-28 02:07:27,119 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 101 transitions. Word has length 5 [2024-11-28 02:07:27,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:27,119 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 101 transitions. [2024-11-28 02:07:27,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:27,120 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 101 transitions. [2024-11-28 02:07:27,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-28 02:07:27,120 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:27,120 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:27,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:07:27,120 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:27,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:27,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1805858121, now seen corresponding path program 1 times [2024-11-28 02:07:27,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:27,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455227527] [2024-11-28 02:07:27,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:27,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:27,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:27,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:27,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455227527] [2024-11-28 02:07:27,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455227527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:27,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:27,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:07:27,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698369278] [2024-11-28 02:07:27,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:27,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:07:27,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:27,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:07:27,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:07:27,216 INFO L87 Difference]: Start difference. First operand 100 states and 101 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:27,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:27,380 INFO L93 Difference]: Finished difference Result 172 states and 187 transitions. [2024-11-28 02:07:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:07:27,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-28 02:07:27,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:27,382 INFO L225 Difference]: With dead ends: 172 [2024-11-28 02:07:27,382 INFO L226 Difference]: Without dead ends: 167 [2024-11-28 02:07:27,382 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 02:07:27,383 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 65 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:27,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 128 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:27,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-28 02:07:27,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 129. [2024-11-28 02:07:27,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 86 states have (on average 1.7093023255813953) internal successors, (147), 125 states have internal predecessors, (147), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:27,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2024-11-28 02:07:27,405 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 7 [2024-11-28 02:07:27,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:27,408 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2024-11-28 02:07:27,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:27,408 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2024-11-28 02:07:27,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-28 02:07:27,408 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:27,409 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:27,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:07:27,409 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:27,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:27,410 INFO L85 PathProgramCache]: Analyzing trace with hash 262868299, now seen corresponding path program 1 times [2024-11-28 02:07:27,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:27,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645321906] [2024-11-28 02:07:27,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:27,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:27,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:27,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645321906] [2024-11-28 02:07:27,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645321906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:27,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:27,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:07:27,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745545516] [2024-11-28 02:07:27,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:27,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:07:27,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:27,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:07:27,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:07:27,486 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:27,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:27,732 INFO L93 Difference]: Finished difference Result 165 states and 180 transitions. [2024-11-28 02:07:27,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:07:27,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-28 02:07:27,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:27,735 INFO L225 Difference]: With dead ends: 165 [2024-11-28 02:07:27,735 INFO L226 Difference]: Without dead ends: 147 [2024-11-28 02:07:27,735 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 02:07:27,736 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 40 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:27,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 78 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:07:27,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-28 02:07:27,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 141. [2024-11-28 02:07:27,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 137 states have internal predecessors, (151), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:27,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 155 transitions. [2024-11-28 02:07:27,754 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 155 transitions. Word has length 9 [2024-11-28 02:07:27,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:27,754 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 155 transitions. [2024-11-28 02:07:27,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:27,755 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 155 transitions. [2024-11-28 02:07:27,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 02:07:27,755 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:27,755 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:27,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:07:27,755 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:27,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:27,756 INFO L85 PathProgramCache]: Analyzing trace with hash -214514351, now seen corresponding path program 1 times [2024-11-28 02:07:27,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:27,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657445113] [2024-11-28 02:07:27,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:27,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:27,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:27,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657445113] [2024-11-28 02:07:27,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657445113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:27,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:27,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:07:27,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602435633] [2024-11-28 02:07:27,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:27,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:27,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:27,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:27,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:27,853 INFO L87 Difference]: Start difference. First operand 141 states and 155 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:28,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:28,149 INFO L93 Difference]: Finished difference Result 155 states and 164 transitions. [2024-11-28 02:07:28,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:28,149 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-28 02:07:28,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:28,150 INFO L225 Difference]: With dead ends: 155 [2024-11-28 02:07:28,151 INFO L226 Difference]: Without dead ends: 149 [2024-11-28 02:07:28,151 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 02:07:28,152 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 50 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:28,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 130 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:07:28,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-28 02:07:28,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 144. [2024-11-28 02:07:28,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 101 states have (on average 1.495049504950495) internal successors, (151), 140 states have internal predecessors, (151), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:28,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 155 transitions. [2024-11-28 02:07:28,166 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 155 transitions. Word has length 15 [2024-11-28 02:07:28,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:28,167 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 155 transitions. [2024-11-28 02:07:28,167 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:28,167 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 155 transitions. [2024-11-28 02:07:28,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-28 02:07:28,167 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:28,167 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:28,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:07:28,168 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:28,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:28,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1939989777, now seen corresponding path program 1 times [2024-11-28 02:07:28,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:28,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285441782] [2024-11-28 02:07:28,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:28,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:07:28,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [826274284] [2024-11-28 02:07:28,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:28,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:28,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:28,203 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:28,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:07:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:28,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:07:28,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:28,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:28,393 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:28,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:28,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285441782] [2024-11-28 02:07:28,394 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:07:28,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826274284] [2024-11-28 02:07:28,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826274284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:28,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:28,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:07:28,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288151244] [2024-11-28 02:07:28,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:28,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:07:28,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:28,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:07:28,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:07:28,396 INFO L87 Difference]: Start difference. First operand 144 states and 155 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:28,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:28,581 INFO L93 Difference]: Finished difference Result 153 states and 156 transitions. [2024-11-28 02:07:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:07:28,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-28 02:07:28,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:28,583 INFO L225 Difference]: With dead ends: 153 [2024-11-28 02:07:28,583 INFO L226 Difference]: Without dead ends: 129 [2024-11-28 02:07:28,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 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 02:07:28,584 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 33 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:28,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 78 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:07:28,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-28 02:07:28,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2024-11-28 02:07:28,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 84 states have (on average 1.5238095238095237) internal successors, (128), 123 states have internal predecessors, (128), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:28,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 132 transitions. [2024-11-28 02:07:28,600 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 132 transitions. Word has length 16 [2024-11-28 02:07:28,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:28,600 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 132 transitions. [2024-11-28 02:07:28,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:28,600 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions. [2024-11-28 02:07:28,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-28 02:07:28,604 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:28,604 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 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 02:07:28,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:28,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:28,805 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:28,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:28,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1520710571, now seen corresponding path program 1 times [2024-11-28 02:07:28,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:28,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795721677] [2024-11-28 02:07:28,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:28,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:28,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:28,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:28,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795721677] [2024-11-28 02:07:28,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795721677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:28,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:28,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:07:28,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216052418] [2024-11-28 02:07:28,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:28,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:07:28,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:28,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:07:28,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:07:28,885 INFO L87 Difference]: Start difference. First operand 127 states and 132 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:07:28,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:28,901 INFO L93 Difference]: Finished difference Result 129 states and 132 transitions. [2024-11-28 02:07:28,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:07:28,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-28 02:07:28,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:28,904 INFO L225 Difference]: With dead ends: 129 [2024-11-28 02:07:28,904 INFO L226 Difference]: Without dead ends: 127 [2024-11-28 02:07:28,904 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 02:07:28,905 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 1 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:28,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 184 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:28,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-28 02:07:28,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-28 02:07:28,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 84 states have (on average 1.5) internal successors, (126), 123 states have internal predecessors, (126), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:28,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 130 transitions. [2024-11-28 02:07:28,919 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 130 transitions. Word has length 31 [2024-11-28 02:07:28,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:28,925 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 130 transitions. [2024-11-28 02:07:28,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:07:28,925 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 130 transitions. [2024-11-28 02:07:28,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-28 02:07:28,926 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:28,926 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:28,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:07:28,926 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:28,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:28,927 INFO L85 PathProgramCache]: Analyzing trace with hash 778846891, now seen corresponding path program 1 times [2024-11-28 02:07:28,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:28,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799302199] [2024-11-28 02:07:28,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:28,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:07:28,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [167109210] [2024-11-28 02:07:28,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:28,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:28,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:28,966 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:28,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:07:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:29,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:07:29,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:29,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:29,115 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:29,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:29,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799302199] [2024-11-28 02:07:29,115 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:07:29,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167109210] [2024-11-28 02:07:29,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167109210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:29,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:29,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:07:29,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631332697] [2024-11-28 02:07:29,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:29,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:29,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:29,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:29,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:29,117 INFO L87 Difference]: Start difference. First operand 127 states and 130 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:07:29,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:29,344 INFO L93 Difference]: Finished difference Result 200 states and 217 transitions. [2024-11-28 02:07:29,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:29,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-28 02:07:29,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:29,346 INFO L225 Difference]: With dead ends: 200 [2024-11-28 02:07:29,346 INFO L226 Difference]: Without dead ends: 181 [2024-11-28 02:07:29,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:29,347 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 55 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:29,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 110 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:07:29,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-28 02:07:29,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 170. [2024-11-28 02:07:29,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 126 states have (on average 1.4682539682539681) internal successors, (185), 165 states have internal predecessors, (185), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 02:07:29,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 191 transitions. [2024-11-28 02:07:29,369 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 191 transitions. Word has length 36 [2024-11-28 02:07:29,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:29,370 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 191 transitions. [2024-11-28 02:07:29,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:07:29,370 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 191 transitions. [2024-11-28 02:07:29,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 02:07:29,371 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:29,371 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:29,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:07:29,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:29,575 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:29,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:29,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1147556013, now seen corresponding path program 1 times [2024-11-28 02:07:29,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:29,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963414309] [2024-11-28 02:07:29,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:29,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:29,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:29,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:29,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963414309] [2024-11-28 02:07:29,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963414309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:29,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:29,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:07:29,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602142097] [2024-11-28 02:07:29,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:29,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:29,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:29,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:29,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:29,674 INFO L87 Difference]: Start difference. First operand 170 states and 191 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:07:29,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:29,757 INFO L93 Difference]: Finished difference Result 171 states and 191 transitions. [2024-11-28 02:07:29,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:29,758 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-28 02:07:29,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:29,759 INFO L225 Difference]: With dead ends: 171 [2024-11-28 02:07:29,759 INFO L226 Difference]: Without dead ends: 170 [2024-11-28 02:07:29,759 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 02:07:29,760 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 26 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:29,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 136 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:29,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-28 02:07:29,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2024-11-28 02:07:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 126 states have (on average 1.4603174603174602) internal successors, (184), 165 states have internal predecessors, (184), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 02:07:29,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 190 transitions. [2024-11-28 02:07:29,770 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 190 transitions. Word has length 38 [2024-11-28 02:07:29,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:29,771 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 190 transitions. [2024-11-28 02:07:29,771 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:07:29,771 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 190 transitions. [2024-11-28 02:07:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-28 02:07:29,772 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:29,772 INFO L218 NwaCegarLoop]: trace histogram [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 02:07:29,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:07:29,772 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:29,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:29,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1098457063, now seen corresponding path program 1 times [2024-11-28 02:07:29,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:29,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285024229] [2024-11-28 02:07:29,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:29,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:29,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:29,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:29,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285024229] [2024-11-28 02:07:29,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285024229] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:29,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415510186] [2024-11-28 02:07:29,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:29,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:29,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:29,878 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:29,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:07:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:29,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:07:29,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:30,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:30,031 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:30,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415510186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:30,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:07:30,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-28 02:07:30,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241275983] [2024-11-28 02:07:30,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:30,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:30,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:30,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:30,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:07:30,033 INFO L87 Difference]: Start difference. First operand 170 states and 190 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:07:30,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:30,085 INFO L93 Difference]: Finished difference Result 218 states and 241 transitions. [2024-11-28 02:07:30,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:07:30,086 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2024-11-28 02:07:30,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:30,087 INFO L225 Difference]: With dead ends: 218 [2024-11-28 02:07:30,087 INFO L226 Difference]: Without dead ends: 217 [2024-11-28 02:07:30,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:07:30,089 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 62 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:30,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 400 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:30,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-28 02:07:30,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 169. [2024-11-28 02:07:30,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 126 states have (on average 1.4444444444444444) internal successors, (182), 164 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 02:07:30,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 188 transitions. [2024-11-28 02:07:30,098 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 188 transitions. Word has length 41 [2024-11-28 02:07:30,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:30,098 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 188 transitions. [2024-11-28 02:07:30,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:07:30,099 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 188 transitions. [2024-11-28 02:07:30,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-28 02:07:30,101 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:30,101 INFO L218 NwaCegarLoop]: trace histogram [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 02:07:30,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:30,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 02:07:30,301 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:30,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:30,302 INFO L85 PathProgramCache]: Analyzing trace with hash 944718654, now seen corresponding path program 1 times [2024-11-28 02:07:30,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:30,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141405743] [2024-11-28 02:07:30,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:30,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:07:30,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [244887534] [2024-11-28 02:07:30,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:30,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:30,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:30,332 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:30,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:07:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:30,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:07:30,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:30,485 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-28 02:07:30,485 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:30,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:30,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141405743] [2024-11-28 02:07:30,485 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:07:30,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244887534] [2024-11-28 02:07:30,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244887534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:30,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:30,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:07:30,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973407421] [2024-11-28 02:07:30,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:30,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:07:30,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:30,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:07:30,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:07:30,487 INFO L87 Difference]: Start difference. First operand 169 states and 188 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:07:30,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:30,565 INFO L93 Difference]: Finished difference Result 169 states and 188 transitions. [2024-11-28 02:07:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:07:30,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2024-11-28 02:07:30,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:30,567 INFO L225 Difference]: With dead ends: 169 [2024-11-28 02:07:30,567 INFO L226 Difference]: Without dead ends: 166 [2024-11-28 02:07:30,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 1 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 02:07:30,568 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 40 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:30,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 66 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:30,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-28 02:07:30,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-28 02:07:30,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 126 states have (on average 1.4047619047619047) internal successors, (177), 161 states have internal predecessors, (177), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 02:07:30,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 183 transitions. [2024-11-28 02:07:30,576 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 183 transitions. Word has length 43 [2024-11-28 02:07:30,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:30,576 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 183 transitions. [2024-11-28 02:07:30,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:07:30,576 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 183 transitions. [2024-11-28 02:07:30,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-28 02:07:30,577 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:30,577 INFO L218 NwaCegarLoop]: trace histogram [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 02:07:30,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:30,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 02:07:30,783 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:30,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:30,783 INFO L85 PathProgramCache]: Analyzing trace with hash -778492748, now seen corresponding path program 1 times [2024-11-28 02:07:30,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:30,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607446336] [2024-11-28 02:07:30,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:30,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:07:30,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [583038617] [2024-11-28 02:07:30,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:30,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:30,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:30,801 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:30,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 02:07:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:30,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:07:30,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:31,107 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:31,107 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:07:31,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:31,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:31,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607446336] [2024-11-28 02:07:31,287 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:07:31,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583038617] [2024-11-28 02:07:31,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583038617] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:07:31,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:07:31,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-28 02:07:31,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353084725] [2024-11-28 02:07:31,288 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:07:31,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:07:31,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:31,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:07:31,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:07:31,289 INFO L87 Difference]: Start difference. First operand 166 states and 183 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:31,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:31,893 INFO L93 Difference]: Finished difference Result 188 states and 207 transitions. [2024-11-28 02:07:31,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:07:31,894 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2024-11-28 02:07:31,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:31,895 INFO L225 Difference]: With dead ends: 188 [2024-11-28 02:07:31,895 INFO L226 Difference]: Without dead ends: 184 [2024-11-28 02:07:31,896 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:07:31,896 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 179 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:31,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 156 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:07:31,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-28 02:07:31,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 178. [2024-11-28 02:07:31,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 138 states have (on average 1.3623188405797102) internal successors, (188), 173 states have internal predecessors, (188), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 02:07:31,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 194 transitions. [2024-11-28 02:07:31,905 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 194 transitions. Word has length 44 [2024-11-28 02:07:31,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:31,906 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 194 transitions. [2024-11-28 02:07:31,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:31,906 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 194 transitions. [2024-11-28 02:07:31,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 02:07:31,907 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:31,907 INFO L218 NwaCegarLoop]: trace histogram [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 02:07:31,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:32,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 02:07:32,107 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:32,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:32,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1291579834, now seen corresponding path program 1 times [2024-11-28 02:07:32,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:32,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294310380] [2024-11-28 02:07:32,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:32,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:07:32,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [332924536] [2024-11-28 02:07:32,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:32,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:32,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:32,136 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:32,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 02:07:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:32,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:07:32,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:32,316 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:32,316 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:32,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:32,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294310380] [2024-11-28 02:07:32,316 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:07:32,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332924536] [2024-11-28 02:07:32,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332924536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:32,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:32,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:32,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317238308] [2024-11-28 02:07:32,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:32,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:32,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:32,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:32,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:32,318 INFO L87 Difference]: Start difference. First operand 178 states and 194 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:07:32,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:32,599 INFO L93 Difference]: Finished difference Result 196 states and 215 transitions. [2024-11-28 02:07:32,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:07:32,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2024-11-28 02:07:32,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:32,601 INFO L225 Difference]: With dead ends: 196 [2024-11-28 02:07:32,602 INFO L226 Difference]: Without dead ends: 185 [2024-11-28 02:07:32,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:32,604 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 89 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:32,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 31 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:07:32,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-28 02:07:32,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 177. [2024-11-28 02:07:32,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 146 states have (on average 1.273972602739726) internal successors, (186), 172 states have internal predecessors, (186), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 02:07:32,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 192 transitions. [2024-11-28 02:07:32,618 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 192 transitions. Word has length 51 [2024-11-28 02:07:32,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:32,619 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 192 transitions. [2024-11-28 02:07:32,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:07:32,619 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 192 transitions. [2024-11-28 02:07:32,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-28 02:07:32,620 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:32,620 INFO L218 NwaCegarLoop]: trace histogram [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 02:07:32,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:32,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 02:07:32,826 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:32,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:32,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1384269124, now seen corresponding path program 1 times [2024-11-28 02:07:32,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:32,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462775760] [2024-11-28 02:07:32,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:32,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:07:32,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [261998438] [2024-11-28 02:07:32,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:32,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:32,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:32,861 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:32,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 02:07:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:32,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:07:32,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:33,166 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:33,167 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:07:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:33,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:33,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462775760] [2024-11-28 02:07:33,342 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:07:33,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261998438] [2024-11-28 02:07:33,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261998438] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:07:33,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:07:33,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-28 02:07:33,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090535968] [2024-11-28 02:07:33,342 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:07:33,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:07:33,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:33,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:07:33,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:07:33,344 INFO L87 Difference]: Start difference. First operand 177 states and 192 transitions. Second operand has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:33,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:33,936 INFO L93 Difference]: Finished difference Result 201 states and 225 transitions. [2024-11-28 02:07:33,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:07:33,937 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 52 [2024-11-28 02:07:33,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:33,938 INFO L225 Difference]: With dead ends: 201 [2024-11-28 02:07:33,940 INFO L226 Difference]: Without dead ends: 173 [2024-11-28 02:07:33,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:07:33,941 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 129 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:33,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 112 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:07:33,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-28 02:07:33,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2024-11-28 02:07:33,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 144 states have (on average 1.2777777777777777) internal successors, (184), 166 states have internal predecessors, (184), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 02:07:33,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 190 transitions. [2024-11-28 02:07:33,951 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 190 transitions. Word has length 52 [2024-11-28 02:07:33,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:33,951 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 190 transitions. [2024-11-28 02:07:33,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:33,951 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 190 transitions. [2024-11-28 02:07:33,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 02:07:33,952 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:33,953 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2024-11-28 02:07:33,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 02:07:34,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-28 02:07:34,157 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:34,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:34,157 INFO L85 PathProgramCache]: Analyzing trace with hash 606767946, now seen corresponding path program 1 times [2024-11-28 02:07:34,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:34,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561652058] [2024-11-28 02:07:34,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:34,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:34,261 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 02:07:34,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:34,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561652058] [2024-11-28 02:07:34,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561652058] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:34,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942263258] [2024-11-28 02:07:34,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:34,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:34,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:34,264 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:34,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 02:07:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:34,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:07:34,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:34,414 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 02:07:34,415 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:34,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942263258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:34,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:07:34,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-28 02:07:34,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973885266] [2024-11-28 02:07:34,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:34,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:34,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:34,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:34,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:34,417 INFO L87 Difference]: Start difference. First operand 171 states and 190 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:34,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:34,443 INFO L93 Difference]: Finished difference Result 182 states and 197 transitions. [2024-11-28 02:07:34,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:34,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 67 [2024-11-28 02:07:34,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:34,445 INFO L225 Difference]: With dead ends: 182 [2024-11-28 02:07:34,445 INFO L226 Difference]: Without dead ends: 181 [2024-11-28 02:07:34,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 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 02:07:34,446 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 36 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:34,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 164 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:34,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-28 02:07:34,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 170. [2024-11-28 02:07:34,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 144 states have (on average 1.2638888888888888) internal successors, (182), 165 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 02:07:34,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 188 transitions. [2024-11-28 02:07:34,455 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 188 transitions. Word has length 67 [2024-11-28 02:07:34,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:34,455 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 188 transitions. [2024-11-28 02:07:34,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:34,456 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 188 transitions. [2024-11-28 02:07:34,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-28 02:07:34,456 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:34,456 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2024-11-28 02:07:34,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 02:07:34,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-28 02:07:34,657 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:34,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:34,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1629937234, now seen corresponding path program 1 times [2024-11-28 02:07:34,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:34,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022093715] [2024-11-28 02:07:34,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:34,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:34,742 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 02:07:34,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:34,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022093715] [2024-11-28 02:07:34,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022093715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:34,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733741818] [2024-11-28 02:07:34,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:34,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:34,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:34,745 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:34,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 02:07:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:34,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:07:34,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 02:07:34,890 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:07:35,002 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 02:07:35,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733741818] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:07:35,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:07:35,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-28 02:07:35,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94343199] [2024-11-28 02:07:35,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:07:35,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:07:35,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:35,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:07:35,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:35,004 INFO L87 Difference]: Start difference. First operand 170 states and 188 transitions. Second operand has 7 states, 6 states have (on average 24.0) internal successors, (144), 7 states have internal predecessors, (144), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 02:07:35,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:35,054 INFO L93 Difference]: Finished difference Result 270 states and 282 transitions. [2024-11-28 02:07:35,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:07:35,055 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 24.0) internal successors, (144), 7 states have internal predecessors, (144), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 68 [2024-11-28 02:07:35,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:35,056 INFO L225 Difference]: With dead ends: 270 [2024-11-28 02:07:35,057 INFO L226 Difference]: Without dead ends: 269 [2024-11-28 02:07:35,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 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 02:07:35,058 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 69 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:35,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 394 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:35,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-28 02:07:35,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 214. [2024-11-28 02:07:35,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 186 states have (on average 1.2903225806451613) internal successors, (240), 207 states have internal predecessors, (240), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 02:07:35,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 250 transitions. [2024-11-28 02:07:35,069 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 250 transitions. Word has length 68 [2024-11-28 02:07:35,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:35,069 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 250 transitions. [2024-11-28 02:07:35,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 24.0) internal successors, (144), 7 states have internal predecessors, (144), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 02:07:35,069 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 250 transitions. [2024-11-28 02:07:35,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-28 02:07:35,070 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:35,070 INFO L218 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1] [2024-11-28 02:07:35,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 02:07:35,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 02:07:35,271 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:35,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:35,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1213046731, now seen corresponding path program 1 times [2024-11-28 02:07:35,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:35,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956163551] [2024-11-28 02:07:35,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:35,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:35,406 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-28 02:07:35,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:35,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956163551] [2024-11-28 02:07:35,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956163551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:35,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:35,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:07:35,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886037161] [2024-11-28 02:07:35,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:35,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:35,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:35,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:35,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:35,407 INFO L87 Difference]: Start difference. First operand 214 states and 250 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:35,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:35,491 INFO L93 Difference]: Finished difference Result 214 states and 250 transitions. [2024-11-28 02:07:35,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:07:35,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 81 [2024-11-28 02:07:35,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:35,493 INFO L225 Difference]: With dead ends: 214 [2024-11-28 02:07:35,493 INFO L226 Difference]: Without dead ends: 209 [2024-11-28 02:07:35,494 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 02:07:35,494 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 64 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:35,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 28 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:35,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-28 02:07:35,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-28 02:07:35,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 186 states have (on average 1.2258064516129032) internal successors, (228), 202 states have internal predecessors, (228), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 02:07:35,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2024-11-28 02:07:35,505 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 81 [2024-11-28 02:07:35,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:35,505 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2024-11-28 02:07:35,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:35,505 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2024-11-28 02:07:35,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-28 02:07:35,506 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:35,506 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1] [2024-11-28 02:07:35,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 02:07:35,506 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:35,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:35,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1050257057, now seen corresponding path program 1 times [2024-11-28 02:07:35,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:35,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875078798] [2024-11-28 02:07:35,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:35,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-28 02:07:35,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:35,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875078798] [2024-11-28 02:07:35,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875078798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:35,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:35,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:07:35,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256351032] [2024-11-28 02:07:35,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:35,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:35,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:35,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:35,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:35,611 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:35,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:35,689 INFO L93 Difference]: Finished difference Result 209 states and 238 transitions. [2024-11-28 02:07:35,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:35,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 82 [2024-11-28 02:07:35,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:35,693 INFO L225 Difference]: With dead ends: 209 [2024-11-28 02:07:35,693 INFO L226 Difference]: Without dead ends: 207 [2024-11-28 02:07:35,693 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 02:07:35,693 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 61 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:35,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 28 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:35,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-28 02:07:35,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-28 02:07:35,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 186 states have (on average 1.1989247311827957) internal successors, (223), 200 states have internal predecessors, (223), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 02:07:35,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 233 transitions. [2024-11-28 02:07:35,704 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 233 transitions. Word has length 82 [2024-11-28 02:07:35,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:35,705 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 233 transitions. [2024-11-28 02:07:35,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:35,705 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 233 transitions. [2024-11-28 02:07:35,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:07:35,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:35,706 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1] [2024-11-28 02:07:35,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 02:07:35,706 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:35,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:35,707 INFO L85 PathProgramCache]: Analyzing trace with hash -20280989, now seen corresponding path program 1 times [2024-11-28 02:07:35,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:35,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259381987] [2024-11-28 02:07:35,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:35,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:35,831 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-28 02:07:35,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:35,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259381987] [2024-11-28 02:07:35,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259381987] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:35,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149436819] [2024-11-28 02:07:35,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:35,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:35,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:35,834 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:35,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 02:07:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:35,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:07:35,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:35,981 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-28 02:07:35,982 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:07:36,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149436819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:36,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:07:36,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2024-11-28 02:07:36,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118582012] [2024-11-28 02:07:36,162 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:07:36,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:36,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:36,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:36,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:07:36,163 INFO L87 Difference]: Start difference. First operand 207 states and 233 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:36,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:36,289 INFO L93 Difference]: Finished difference Result 207 states and 233 transitions. [2024-11-28 02:07:36,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:07:36,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 84 [2024-11-28 02:07:36,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:36,291 INFO L225 Difference]: With dead ends: 207 [2024-11-28 02:07:36,291 INFO L226 Difference]: Without dead ends: 196 [2024-11-28 02:07:36,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:07:36,291 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 79 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:36,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 40 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:36,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-28 02:07:36,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-28 02:07:36,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 179 states have (on average 1.1396648044692737) internal successors, (204), 189 states have internal predecessors, (204), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 02:07:36,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 214 transitions. [2024-11-28 02:07:36,302 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 214 transitions. Word has length 84 [2024-11-28 02:07:36,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:36,302 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 214 transitions. [2024-11-28 02:07:36,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:36,302 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 214 transitions. [2024-11-28 02:07:36,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 02:07:36,303 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:36,303 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1] [2024-11-28 02:07:36,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-28 02:07:36,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:36,504 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:36,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:36,504 INFO L85 PathProgramCache]: Analyzing trace with hash -628710599, now seen corresponding path program 1 times [2024-11-28 02:07:36,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:36,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204955257] [2024-11-28 02:07:36,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:36,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:36,645 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 02:07:36,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:36,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204955257] [2024-11-28 02:07:36,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204955257] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:36,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766225002] [2024-11-28 02:07:36,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:36,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:36,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:36,647 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:36,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 02:07:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:36,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:07:36,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:36,831 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:36,831 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:07:36,990 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 02:07:36,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766225002] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:07:36,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:07:36,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 8 [2024-11-28 02:07:36,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307977655] [2024-11-28 02:07:36,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:07:36,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:07:36,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:36,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:07:36,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:07:36,992 INFO L87 Difference]: Start difference. First operand 196 states and 214 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 2 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 02:07:37,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:37,073 INFO L93 Difference]: Finished difference Result 206 states and 220 transitions. [2024-11-28 02:07:37,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:07:37,073 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 2 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 85 [2024-11-28 02:07:37,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:37,074 INFO L225 Difference]: With dead ends: 206 [2024-11-28 02:07:37,074 INFO L226 Difference]: Without dead ends: 88 [2024-11-28 02:07:37,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 165 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:07:37,075 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 18 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:37,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 255 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:37,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-28 02:07:37,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-28 02:07:37,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 82 states have (on average 1.0121951219512195) internal successors, (83), 83 states have internal predecessors, (83), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:37,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 87 transitions. [2024-11-28 02:07:37,082 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 87 transitions. Word has length 85 [2024-11-28 02:07:37,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:37,082 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 87 transitions. [2024-11-28 02:07:37,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 2 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 02:07:37,082 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 87 transitions. [2024-11-28 02:07:37,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 02:07:37,083 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:37,083 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:37,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:37,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:37,287 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:37,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:37,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1330316716, now seen corresponding path program 1 times [2024-11-28 02:07:37,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:37,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731911730] [2024-11-28 02:07:37,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:37,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:07:37,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [641376623] [2024-11-28 02:07:37,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:37,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:37,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:37,316 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:37,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 02:07:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:37,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:07:37,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:37,512 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 02:07:37,512 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:37,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:37,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731911730] [2024-11-28 02:07:37,512 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:07:37,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641376623] [2024-11-28 02:07:37,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641376623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:37,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:37,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:37,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454690147] [2024-11-28 02:07:37,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:37,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:37,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:37,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:37,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:37,515 INFO L87 Difference]: Start difference. First operand 88 states and 87 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:37,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:37,623 INFO L93 Difference]: Finished difference Result 88 states and 87 transitions. [2024-11-28 02:07:37,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:07:37,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 85 [2024-11-28 02:07:37,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:37,624 INFO L225 Difference]: With dead ends: 88 [2024-11-28 02:07:37,624 INFO L226 Difference]: Without dead ends: 87 [2024-11-28 02:07:37,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:37,625 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 1 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:37,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 78 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:37,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-28 02:07:37,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-28 02:07:37,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 82 states have (on average 1.0) internal successors, (82), 82 states have internal predecessors, (82), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:37,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 86 transitions. [2024-11-28 02:07:37,632 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 86 transitions. Word has length 85 [2024-11-28 02:07:37,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:37,633 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 86 transitions. [2024-11-28 02:07:37,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:37,633 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 86 transitions. [2024-11-28 02:07:37,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 02:07:37,633 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:37,634 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:37,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:37,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-28 02:07:37,838 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2024-11-28 02:07:37,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:37,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1709854887, now seen corresponding path program 1 times [2024-11-28 02:07:37,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:37,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593759995] [2024-11-28 02:07:37,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:37,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:07:37,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2082913777] [2024-11-28 02:07:37,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:37,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:37,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:37,871 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:37,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 02:07:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:37,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:07:37,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:38,109 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 02:07:38,109 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:07:38,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:38,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593759995] [2024-11-28 02:07:38,255 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:07:38,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082913777] [2024-11-28 02:07:38,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082913777] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:38,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:07:38,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-28 02:07:38,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065943065] [2024-11-28 02:07:38,256 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:07:38,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:38,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:38,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:38,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:38,258 INFO L87 Difference]: Start difference. First operand 87 states and 86 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:38,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:38,345 INFO L93 Difference]: Finished difference Result 87 states and 86 transitions. [2024-11-28 02:07:38,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:07:38,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 86 [2024-11-28 02:07:38,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:38,346 INFO L225 Difference]: With dead ends: 87 [2024-11-28 02:07:38,346 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 02:07:38,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:38,348 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:38,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:38,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 02:07:38,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 02:07:38,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:38,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 02:07:38,350 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2024-11-28 02:07:38,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:38,350 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:07:38,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:07:38,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:07:38,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 02:07:38,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 46 remaining) [2024-11-28 02:07:38,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 46 remaining) [2024-11-28 02:07:38,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 46 remaining) [2024-11-28 02:07:38,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 46 remaining) [2024-11-28 02:07:38,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 46 remaining) [2024-11-28 02:07:38,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 46 remaining) [2024-11-28 02:07:38,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 46 remaining) [2024-11-28 02:07:38,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 46 remaining) [2024-11-28 02:07:38,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 46 remaining) [2024-11-28 02:07:38,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 46 remaining) [2024-11-28 02:07:38,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 46 remaining) [2024-11-28 02:07:38,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 46 remaining) [2024-11-28 02:07:38,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 46 remaining) [2024-11-28 02:07:38,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 46 remaining) [2024-11-28 02:07:38,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 46 remaining) [2024-11-28 02:07:38,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 46 remaining) [2024-11-28 02:07:38,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 46 remaining) [2024-11-28 02:07:38,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 46 remaining) [2024-11-28 02:07:38,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 46 remaining) [2024-11-28 02:07:38,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 46 remaining) [2024-11-28 02:07:38,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 46 remaining) [2024-11-28 02:07:38,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 46 remaining) [2024-11-28 02:07:38,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 46 remaining) [2024-11-28 02:07:38,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 46 remaining) [2024-11-28 02:07:38,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 46 remaining) [2024-11-28 02:07:38,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 46 remaining) [2024-11-28 02:07:38,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 46 remaining) [2024-11-28 02:07:38,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 46 remaining) [2024-11-28 02:07:38,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 46 remaining) [2024-11-28 02:07:38,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 46 remaining) [2024-11-28 02:07:38,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 46 remaining) [2024-11-28 02:07:38,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 46 remaining) [2024-11-28 02:07:38,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 46 remaining) [2024-11-28 02:07:38,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 46 remaining) [2024-11-28 02:07:38,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 46 remaining) [2024-11-28 02:07:38,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 46 remaining) [2024-11-28 02:07:38,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 46 remaining) [2024-11-28 02:07:38,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 46 remaining) [2024-11-28 02:07:38,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 46 remaining) [2024-11-28 02:07:38,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 46 remaining) [2024-11-28 02:07:38,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 46 remaining) [2024-11-28 02:07:38,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 46 remaining) [2024-11-28 02:07:38,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 46 remaining) [2024-11-28 02:07:38,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 46 remaining) [2024-11-28 02:07:38,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 46 remaining) [2024-11-28 02:07:38,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 46 remaining) [2024-11-28 02:07:38,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-28 02:07:38,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-28 02:07:38,565 INFO L422 BasicCegarLoop]: Path program histogram: [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 02:07:38,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 02:07:38,705 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:07:38,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:07:38 BoogieIcfgContainer [2024-11-28 02:07:38,731 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:07:38,732 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:07:38,732 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:07:38,732 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:07:38,733 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:26" (3/4) ... [2024-11-28 02:07:38,736 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:07:38,742 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-28 02:07:38,752 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-28 02:07:38,752 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 02:07:38,752 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:07:38,753 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:07:38,877 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:07:38,877 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:07:38,878 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:07:38,880 INFO L158 Benchmark]: Toolchain (without parser) took 13404.96ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 82.8MB in the end (delta: 33.3MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-11-28 02:07:38,880 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:38,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.13ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 105.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:07:38,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.86ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 103.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:07:38,882 INFO L158 Benchmark]: Boogie Preprocessor took 36.51ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:38,882 INFO L158 Benchmark]: RCFGBuilder took 508.49ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 84.5MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:07:38,883 INFO L158 Benchmark]: TraceAbstraction took 12382.55ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 88.2MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:38,883 INFO L158 Benchmark]: Witness Printer took 145.92ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 82.8MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:38,884 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.13ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 105.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.86ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 103.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.51ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 508.49ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 84.5MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12382.55ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 88.2MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 145.92ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 82.8MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 109 locations, 46 error locations. Started 1 CEGAR loops. OverallTime: 12.1s, OverallIterations: 22, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1214 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1203 mSDsluCounter, 3109 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1818 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2166 IncrementalHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 1291 mSDtfsCounter, 2166 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1091 GetRequests, 1003 SyntacticMatches, 6 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=16, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 22 MinimizatonAttempts, 192 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1788 NumberOfCodeBlocks, 1788 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1593 ConstructedInterpolants, 0 QuantifiedInterpolants, 5367 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1383 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 31 InterpolantComputations, 16 PerfectInterpolantSequences, 488/688 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 46 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((((((((1 <= c) && (2 == y)) && (c <= 9223372036854775805)) && (x <= 1537228672809129301)) && (counter == 2)) && (4 <= x)) || (((((c == 1) && (x == 1)) && (1 <= counter)) && (y == 1)) && (counter <= 2))) || ((((c == 0) && (y == 0)) && (counter == 0)) && (x == 0))) RESULT: Ultimate proved your program to be correct! [2024-11-28 02:07:38,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00db357c-e46a-488e-a08e-80e598486a1b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE