./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.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_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/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_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/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_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/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 ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:23:00,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:23:00,670 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-27 23:23:00,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:23:00,676 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:23:00,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:23:00,700 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:23:00,700 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:23:00,701 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:23:00,701 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:23:00,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:23:00,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:23:00,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:23:00,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:23:00,702 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:23:00,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:23:00,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:23:00,702 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:23:00,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:23:00,703 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:23:00,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:23:00,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:23:00,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:23:00,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:23:00,703 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 23:23:00,703 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:23:00,704 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:23:00,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:23:00,704 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:23:00,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:23:00,704 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:23:00,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:23:00,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:23:00,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:23:00,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:23:00,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:23:00,705 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:23:00,705 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:23:00,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:23:00,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:23:00,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:23:00,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:23:00,706 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:23:00,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:23:00,706 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:23:00,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:23:00,706 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:23:00,706 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:23:00,706 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:23:00,706 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:23:00,706 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_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/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 -> ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a [2024-11-27 23:23:00,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:23:00,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:23:01,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:23:01,004 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:23:01,004 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:23:01,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2024-11-27 23:23:04,009 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/data/9c74464e0/30b6697de490440285ff027faaa8e155/FLAG5c002696d [2024-11-27 23:23:04,322 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:23:04,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2024-11-27 23:23:04,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/data/9c74464e0/30b6697de490440285ff027faaa8e155/FLAG5c002696d [2024-11-27 23:23:04,358 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/data/9c74464e0/30b6697de490440285ff027faaa8e155 [2024-11-27 23:23:04,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:23:04,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:23:04,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:23:04,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:23:04,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:23:04,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:04" (1/1) ... [2024-11-27 23:23:04,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7336764c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04, skipping insertion in model container [2024-11-27 23:23:04,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:04" (1/1) ... [2024-11-27 23:23:04,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:23:04,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:23:04,595 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:23:04,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:23:04,633 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:23:04,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04 WrapperNode [2024-11-27 23:23:04,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:23:04,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:23:04,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:23:04,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:23:04,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2024-11-27 23:23:04,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2024-11-27 23:23:04,676 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2024-11-27 23:23:04,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:23:04,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:23:04,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:23:04,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:23:04,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2024-11-27 23:23:04,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2024-11-27 23:23:04,692 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2024-11-27 23:23:04,712 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-27 23:23:04,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2024-11-27 23:23:04,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2024-11-27 23:23:04,718 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2024-11-27 23:23:04,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2024-11-27 23:23:04,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2024-11-27 23:23:04,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2024-11-27 23:23:04,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2024-11-27 23:23:04,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:23:04,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:23:04,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:23:04,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:23:04,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (1/1) ... [2024-11-27 23:23:04,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:23:04,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:04,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:23:04,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:23:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:23:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:23:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:23:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:23:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:23:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:23:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:23:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-27 23:23:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-27 23:23:04,884 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:23:04,886 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:23:05,233 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-27 23:23:05,234 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:23:05,253 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:23:05,253 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-27 23:23:05,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:23:05 BoogieIcfgContainer [2024-11-27 23:23:05,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:23:05,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:23:05,260 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:23:05,267 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:23:05,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:23:04" (1/3) ... [2024-11-27 23:23:05,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d06c80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:23:05, skipping insertion in model container [2024-11-27 23:23:05,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:04" (2/3) ... [2024-11-27 23:23:05,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d06c80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:23:05, skipping insertion in model container [2024-11-27 23:23:05,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:23:05" (3/3) ... [2024-11-27 23:23:05,273 INFO L128 eAbstractionObserver]: Analyzing ICFG lcm1_unwindbound100.c [2024-11-27 23:23:05,296 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:23:05,300 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG lcm1_unwindbound100.c that has 3 procedures, 47 locations, 1 initial locations, 3 loop locations, and 6 error locations. [2024-11-27 23:23:05,393 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:23:05,412 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;@6ba81f0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:23:05,412 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-27 23:23:05,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 23:23:05,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-27 23:23:05,427 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:05,428 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:05,429 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:05,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:05,437 INFO L85 PathProgramCache]: Analyzing trace with hash 2022069437, now seen corresponding path program 1 times [2024-11-27 23:23:05,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:05,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207972176] [2024-11-27 23:23:05,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:05,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 23:23:05,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:05,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207972176] [2024-11-27 23:23:05,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207972176] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:05,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417628124] [2024-11-27 23:23:05,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:05,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:05,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:05,710 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:05,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:23:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:05,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:23:05,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:05,877 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 23:23:05,877 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:23:05,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417628124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:05,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:23:05,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 23:23:05,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598501518] [2024-11-27 23:23:05,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:05,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:23:05,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:05,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:23:05,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:23:05,919 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 23:23:05,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:05,958 INFO L93 Difference]: Finished difference Result 90 states and 132 transitions. [2024-11-27 23:23:05,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:23:05,960 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-27 23:23:05,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:05,971 INFO L225 Difference]: With dead ends: 90 [2024-11-27 23:23:05,972 INFO L226 Difference]: Without dead ends: 39 [2024-11-27 23:23:05,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:23:05,984 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:05,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:23:06,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-27 23:23:06,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-27 23:23:06,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 29 states have internal predecessors, (34), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-27 23:23:06,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2024-11-27 23:23:06,045 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 25 [2024-11-27 23:23:06,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:06,047 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2024-11-27 23:23:06,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 23:23:06,047 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2024-11-27 23:23:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-27 23:23:06,049 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:06,050 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:06,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:06,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 23:23:06,255 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:06,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:06,256 INFO L85 PathProgramCache]: Analyzing trace with hash -2112941507, now seen corresponding path program 1 times [2024-11-27 23:23:06,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:06,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240015062] [2024-11-27 23:23:06,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:06,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:06,551 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:23:06,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:06,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240015062] [2024-11-27 23:23:06,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240015062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:06,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:06,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:23:06,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26709876] [2024-11-27 23:23:06,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:06,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:23:06,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:06,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:23:06,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:23:06,555 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-27 23:23:06,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:06,634 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2024-11-27 23:23:06,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:23:06,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2024-11-27 23:23:06,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:06,638 INFO L225 Difference]: With dead ends: 45 [2024-11-27 23:23:06,638 INFO L226 Difference]: Without dead ends: 43 [2024-11-27 23:23:06,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:23:06,639 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 11 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:06,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 112 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:23:06,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-27 23:23:06,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2024-11-27 23:23:06,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 32 states have internal predecessors, (37), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-27 23:23:06,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2024-11-27 23:23:06,659 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 25 [2024-11-27 23:23:06,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:06,662 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2024-11-27 23:23:06,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-27 23:23:06,663 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2024-11-27 23:23:06,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-27 23:23:06,664 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:06,664 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:06,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:23:06,664 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:06,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:06,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1187336732, now seen corresponding path program 1 times [2024-11-27 23:23:06,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:06,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339927763] [2024-11-27 23:23:06,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:06,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:06,967 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:23:06,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:06,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339927763] [2024-11-27 23:23:06,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339927763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:06,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:06,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:23:06,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315019071] [2024-11-27 23:23:06,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:06,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:23:06,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:06,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:23:06,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:23:06,970 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:23:07,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:07,273 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2024-11-27 23:23:07,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:23:07,274 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 35 [2024-11-27 23:23:07,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:07,276 INFO L225 Difference]: With dead ends: 62 [2024-11-27 23:23:07,278 INFO L226 Difference]: Without dead ends: 61 [2024-11-27 23:23:07,279 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:23:07,279 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 28 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:07,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 177 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:23:07,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-27 23:23:07,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 55. [2024-11-27 23:23:07,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 42 states have internal predecessors, (50), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 23:23:07,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2024-11-27 23:23:07,295 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 35 [2024-11-27 23:23:07,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:07,296 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2024-11-27 23:23:07,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:23:07,296 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2024-11-27 23:23:07,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-27 23:23:07,297 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:07,297 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:07,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:23:07,298 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:07,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:07,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1847266907, now seen corresponding path program 1 times [2024-11-27 23:23:07,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:07,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371485197] [2024-11-27 23:23:07,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:07,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:07,586 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:23:07,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:07,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371485197] [2024-11-27 23:23:07,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371485197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:07,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:07,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:23:07,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106442542] [2024-11-27 23:23:07,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:07,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:23:07,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:07,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:23:07,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:23:07,589 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:23:07,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:07,777 INFO L93 Difference]: Finished difference Result 91 states and 111 transitions. [2024-11-27 23:23:07,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:23:07,778 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2024-11-27 23:23:07,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:07,781 INFO L225 Difference]: With dead ends: 91 [2024-11-27 23:23:07,781 INFO L226 Difference]: Without dead ends: 63 [2024-11-27 23:23:07,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:23:07,784 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 22 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:07,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 144 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:23:07,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-27 23:23:07,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-27 23:23:07,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 23:23:07,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2024-11-27 23:23:07,806 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 36 [2024-11-27 23:23:07,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:07,806 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2024-11-27 23:23:07,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:23:07,806 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2024-11-27 23:23:07,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-27 23:23:07,807 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:07,808 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:07,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:23:07,811 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:07,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:07,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1777757559, now seen corresponding path program 1 times [2024-11-27 23:23:07,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:07,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908418990] [2024-11-27 23:23:07,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:07,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:08,164 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-27 23:23:08,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:08,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908418990] [2024-11-27 23:23:08,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908418990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:08,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:08,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 23:23:08,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949415204] [2024-11-27 23:23:08,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:08,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 23:23:08,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:08,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:23:08,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:23:08,166 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 23:23:08,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:08,700 INFO L93 Difference]: Finished difference Result 81 states and 94 transitions. [2024-11-27 23:23:08,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:23:08,701 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 45 [2024-11-27 23:23:08,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:08,702 INFO L225 Difference]: With dead ends: 81 [2024-11-27 23:23:08,703 INFO L226 Difference]: Without dead ends: 80 [2024-11-27 23:23:08,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:23:08,705 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 40 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:08,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 232 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:23:08,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-27 23:23:08,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 73. [2024-11-27 23:23:08,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 57 states have internal predecessors, (68), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 23:23:08,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2024-11-27 23:23:08,717 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 45 [2024-11-27 23:23:08,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:08,718 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2024-11-27 23:23:08,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 23:23:08,718 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2024-11-27 23:23:08,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-27 23:23:08,719 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:08,720 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:08,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:23:08,720 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:08,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:08,721 INFO L85 PathProgramCache]: Analyzing trace with hash 724090606, now seen corresponding path program 1 times [2024-11-27 23:23:08,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:08,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017400618] [2024-11-27 23:23:08,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:08,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:08,926 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-27 23:23:08,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:08,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017400618] [2024-11-27 23:23:08,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017400618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:08,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:08,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 23:23:08,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911057578] [2024-11-27 23:23:08,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:08,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 23:23:08,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:08,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:23:08,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:23:08,930 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 23:23:09,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:09,226 INFO L93 Difference]: Finished difference Result 115 states and 139 transitions. [2024-11-27 23:23:09,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:23:09,229 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 46 [2024-11-27 23:23:09,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:09,231 INFO L225 Difference]: With dead ends: 115 [2024-11-27 23:23:09,231 INFO L226 Difference]: Without dead ends: 87 [2024-11-27 23:23:09,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:23:09,232 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 33 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:09,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 186 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:23:09,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-27 23:23:09,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2024-11-27 23:23:09,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 65 states have internal predecessors, (77), 11 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 23:23:09,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 99 transitions. [2024-11-27 23:23:09,258 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 99 transitions. Word has length 46 [2024-11-27 23:23:09,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:09,258 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 99 transitions. [2024-11-27 23:23:09,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 23:23:09,259 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2024-11-27 23:23:09,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-27 23:23:09,260 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:09,260 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:09,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:23:09,261 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:09,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:09,271 INFO L85 PathProgramCache]: Analyzing trace with hash 724128342, now seen corresponding path program 1 times [2024-11-27 23:23:09,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:09,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915075356] [2024-11-27 23:23:09,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:09,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:09,533 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-27 23:23:09,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:09,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915075356] [2024-11-27 23:23:09,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915075356] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:09,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068751138] [2024-11-27 23:23:09,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:09,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:09,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:09,538 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:09,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:23:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:09,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:23:09,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:23:09,816 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:10,028 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-27 23:23:10,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068751138] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:10,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:23:10,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2024-11-27 23:23:10,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522055290] [2024-11-27 23:23:10,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:10,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-27 23:23:10,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:10,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-27 23:23:10,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:23:10,031 INFO L87 Difference]: Start difference. First operand 83 states and 99 transitions. Second operand has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-27 23:23:10,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:10,990 INFO L93 Difference]: Finished difference Result 233 states and 283 transitions. [2024-11-27 23:23:10,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 23:23:10,991 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 46 [2024-11-27 23:23:10,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:10,993 INFO L225 Difference]: With dead ends: 233 [2024-11-27 23:23:10,993 INFO L226 Difference]: Without dead ends: 195 [2024-11-27 23:23:10,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=263, Invalid=667, Unknown=0, NotChecked=0, Total=930 [2024-11-27 23:23:10,995 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 114 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:10,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 289 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 23:23:10,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-27 23:23:11,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 163. [2024-11-27 23:23:11,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 125 states have (on average 1.272) internal successors, (159), 130 states have internal predecessors, (159), 18 states have call successors, (18), 14 states have call predecessors, (18), 14 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-27 23:23:11,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 195 transitions. [2024-11-27 23:23:11,025 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 195 transitions. Word has length 46 [2024-11-27 23:23:11,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:11,025 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 195 transitions. [2024-11-27 23:23:11,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-27 23:23:11,026 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 195 transitions. [2024-11-27 23:23:11,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-27 23:23:11,027 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:11,027 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:11,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 23:23:11,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-27 23:23:11,232 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:11,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:11,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1101872824, now seen corresponding path program 1 times [2024-11-27 23:23:11,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:11,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359892445] [2024-11-27 23:23:11,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:11,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:11,405 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 23:23:11,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:11,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359892445] [2024-11-27 23:23:11,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359892445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:11,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:11,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:23:11,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269240042] [2024-11-27 23:23:11,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:11,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:23:11,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:11,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:23:11,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:23:11,410 INFO L87 Difference]: Start difference. First operand 163 states and 195 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-27 23:23:11,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:11,645 INFO L93 Difference]: Finished difference Result 270 states and 329 transitions. [2024-11-27 23:23:11,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:23:11,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 55 [2024-11-27 23:23:11,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:11,648 INFO L225 Difference]: With dead ends: 270 [2024-11-27 23:23:11,652 INFO L226 Difference]: Without dead ends: 205 [2024-11-27 23:23:11,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:23:11,653 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 32 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:11,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 172 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:23:11,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-27 23:23:11,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 183. [2024-11-27 23:23:11,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 141 states have (on average 1.2907801418439717) internal successors, (182), 146 states have internal predecessors, (182), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-27 23:23:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 226 transitions. [2024-11-27 23:23:11,705 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 226 transitions. Word has length 55 [2024-11-27 23:23:11,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:11,710 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 226 transitions. [2024-11-27 23:23:11,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-27 23:23:11,710 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 226 transitions. [2024-11-27 23:23:11,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-27 23:23:11,711 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:11,712 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:11,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:23:11,712 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:11,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:11,712 INFO L85 PathProgramCache]: Analyzing trace with hash 201782157, now seen corresponding path program 1 times [2024-11-27 23:23:11,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:11,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637839201] [2024-11-27 23:23:11,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:11,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:11,992 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 23:23:11,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:11,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637839201] [2024-11-27 23:23:11,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637839201] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:11,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755199105] [2024-11-27 23:23:11,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:11,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:11,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:11,996 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:11,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:23:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:12,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:23:12,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:12,268 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:23:12,268 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 23:23:12,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755199105] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:12,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:23:12,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-11-27 23:23:12,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766763497] [2024-11-27 23:23:12,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:12,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-27 23:23:12,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:12,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-27 23:23:12,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:23:12,543 INFO L87 Difference]: Start difference. First operand 183 states and 226 transitions. Second operand has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-27 23:23:14,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:14,078 INFO L93 Difference]: Finished difference Result 379 states and 473 transitions. [2024-11-27 23:23:14,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-27 23:23:14,079 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) Word has length 56 [2024-11-27 23:23:14,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:14,082 INFO L225 Difference]: With dead ends: 379 [2024-11-27 23:23:14,084 INFO L226 Difference]: Without dead ends: 296 [2024-11-27 23:23:14,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=507, Invalid=1943, Unknown=0, NotChecked=0, Total=2450 [2024-11-27 23:23:14,089 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 175 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:14,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 327 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:23:14,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-27 23:23:14,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 263. [2024-11-27 23:23:14,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 206 states have (on average 1.2766990291262137) internal successors, (263), 211 states have internal predecessors, (263), 29 states have call successors, (29), 22 states have call predecessors, (29), 22 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-27 23:23:14,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 321 transitions. [2024-11-27 23:23:14,127 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 321 transitions. Word has length 56 [2024-11-27 23:23:14,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:14,128 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 321 transitions. [2024-11-27 23:23:14,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-27 23:23:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 321 transitions. [2024-11-27 23:23:14,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-27 23:23:14,131 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:14,131 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:14,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 23:23:14,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-27 23:23:14,335 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:14,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:14,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1708398527, now seen corresponding path program 1 times [2024-11-27 23:23:14,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:14,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289115401] [2024-11-27 23:23:14,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:14,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:14,555 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 23:23:14,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:14,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289115401] [2024-11-27 23:23:14,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289115401] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:14,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984542105] [2024-11-27 23:23:14,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:14,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:14,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:14,558 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:14,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 23:23:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:14,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:23:14,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:14,768 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:23:14,768 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:14,963 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 23:23:14,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984542105] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:14,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:23:14,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 21 [2024-11-27 23:23:14,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758187390] [2024-11-27 23:23:14,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:14,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-27 23:23:14,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:14,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-27 23:23:14,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2024-11-27 23:23:14,966 INFO L87 Difference]: Start difference. First operand 263 states and 321 transitions. Second operand has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2024-11-27 23:23:15,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:15,881 INFO L93 Difference]: Finished difference Result 471 states and 581 transitions. [2024-11-27 23:23:15,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-27 23:23:15,882 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) Word has length 59 [2024-11-27 23:23:15,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:15,885 INFO L225 Difference]: With dead ends: 471 [2024-11-27 23:23:15,885 INFO L226 Difference]: Without dead ends: 332 [2024-11-27 23:23:15,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=299, Invalid=1183, Unknown=0, NotChecked=0, Total=1482 [2024-11-27 23:23:15,887 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 118 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:15,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 313 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 23:23:15,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-27 23:23:15,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 323. [2024-11-27 23:23:15,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 258 states have (on average 1.244186046511628) internal successors, (321), 263 states have internal predecessors, (321), 33 states have call successors, (33), 26 states have call predecessors, (33), 26 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-27 23:23:15,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 387 transitions. [2024-11-27 23:23:15,918 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 387 transitions. Word has length 59 [2024-11-27 23:23:15,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:15,919 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 387 transitions. [2024-11-27 23:23:15,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2024-11-27 23:23:15,919 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 387 transitions. [2024-11-27 23:23:15,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-27 23:23:15,924 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:15,924 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:15,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 23:23:16,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 23:23:16,125 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:16,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:16,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1681109111, now seen corresponding path program 1 times [2024-11-27 23:23:16,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:16,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428113118] [2024-11-27 23:23:16,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:16,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:16,392 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-27 23:23:16,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:16,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428113118] [2024-11-27 23:23:16,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428113118] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:16,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386213632] [2024-11-27 23:23:16,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:16,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:16,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:16,395 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:16,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 23:23:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:16,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:23:16,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:16,685 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:23:16,685 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:23:16,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386213632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:16,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:23:16,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 21 [2024-11-27 23:23:16,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789323236] [2024-11-27 23:23:16,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:16,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 23:23:16,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:16,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 23:23:16,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:23:16,688 INFO L87 Difference]: Start difference. First operand 323 states and 387 transitions. Second operand has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-27 23:23:17,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:17,154 INFO L93 Difference]: Finished difference Result 391 states and 469 transitions. [2024-11-27 23:23:17,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:23:17,155 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 65 [2024-11-27 23:23:17,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:17,157 INFO L225 Difference]: With dead ends: 391 [2024-11-27 23:23:17,157 INFO L226 Difference]: Without dead ends: 388 [2024-11-27 23:23:17,158 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=168, Invalid=824, Unknown=0, NotChecked=0, Total=992 [2024-11-27 23:23:17,159 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 59 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:17,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 141 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:23:17,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-27 23:23:17,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 293. [2024-11-27 23:23:17,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 234 states have (on average 1.1623931623931625) internal successors, (272), 237 states have internal predecessors, (272), 31 states have call successors, (31), 25 states have call predecessors, (31), 25 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-27 23:23:17,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 334 transitions. [2024-11-27 23:23:17,186 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 334 transitions. Word has length 65 [2024-11-27 23:23:17,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:17,187 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 334 transitions. [2024-11-27 23:23:17,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-27 23:23:17,187 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 334 transitions. [2024-11-27 23:23:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-27 23:23:17,188 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:17,188 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-11-27 23:23:17,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:17,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-27 23:23:17,392 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:17,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:17,393 INFO L85 PathProgramCache]: Analyzing trace with hash -574774844, now seen corresponding path program 1 times [2024-11-27 23:23:17,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:17,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496851295] [2024-11-27 23:23:17,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:17,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-27 23:23:17,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:17,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496851295] [2024-11-27 23:23:17,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496851295] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:17,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523004373] [2024-11-27 23:23:17,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:17,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:17,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:17,616 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:17,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 23:23:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:17,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:23:17,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:17,871 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:23:17,872 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:18,136 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-27 23:23:18,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523004373] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:18,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:23:18,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 30 [2024-11-27 23:23:18,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918480257] [2024-11-27 23:23:18,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:18,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-27 23:23:18,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:18,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-27 23:23:18,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930 [2024-11-27 23:23:18,139 INFO L87 Difference]: Start difference. First operand 293 states and 334 transitions. Second operand has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-27 23:23:19,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:19,663 INFO L93 Difference]: Finished difference Result 332 states and 381 transitions. [2024-11-27 23:23:19,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-27 23:23:19,664 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) Word has length 66 [2024-11-27 23:23:19,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:19,667 INFO L225 Difference]: With dead ends: 332 [2024-11-27 23:23:19,667 INFO L226 Difference]: Without dead ends: 331 [2024-11-27 23:23:19,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=715, Invalid=2945, Unknown=0, NotChecked=0, Total=3660 [2024-11-27 23:23:19,670 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 184 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:19,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 351 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:23:19,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-27 23:23:19,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 306. [2024-11-27 23:23:19,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 245 states have (on average 1.1591836734693877) internal successors, (284), 248 states have internal predecessors, (284), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-27 23:23:19,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 348 transitions. [2024-11-27 23:23:19,720 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 348 transitions. Word has length 66 [2024-11-27 23:23:19,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:19,720 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 348 transitions. [2024-11-27 23:23:19,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-27 23:23:19,721 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 348 transitions. [2024-11-27 23:23:19,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-27 23:23:19,722 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:19,722 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:19,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:19,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-27 23:23:19,925 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:19,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:19,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1385122664, now seen corresponding path program 1 times [2024-11-27 23:23:19,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:19,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184975679] [2024-11-27 23:23:19,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:19,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:20,224 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 23:23:20,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:20,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184975679] [2024-11-27 23:23:20,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184975679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:20,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071084697] [2024-11-27 23:23:20,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:20,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:20,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:20,227 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:20,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 23:23:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:20,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 23:23:20,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:20,448 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:23:20,448 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:20,748 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 23:23:20,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071084697] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:20,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:23:20,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 29 [2024-11-27 23:23:20,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717878350] [2024-11-27 23:23:20,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:20,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-27 23:23:20,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:20,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-27 23:23:20,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-11-27 23:23:20,750 INFO L87 Difference]: Start difference. First operand 306 states and 348 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) [2024-11-27 23:23:21,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:21,642 INFO L93 Difference]: Finished difference Result 542 states and 628 transitions. [2024-11-27 23:23:21,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-27 23:23:21,643 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) Word has length 80 [2024-11-27 23:23:21,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:21,645 INFO L225 Difference]: With dead ends: 542 [2024-11-27 23:23:21,645 INFO L226 Difference]: Without dead ends: 383 [2024-11-27 23:23:21,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=643, Invalid=1709, Unknown=0, NotChecked=0, Total=2352 [2024-11-27 23:23:21,647 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 173 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:21,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 375 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:23:21,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-27 23:23:21,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 360. [2024-11-27 23:23:21,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 289 states have (on average 1.1522491349480968) internal successors, (333), 292 states have internal predecessors, (333), 37 states have call successors, (37), 31 states have call predecessors, (37), 31 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-27 23:23:21,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 407 transitions. [2024-11-27 23:23:21,680 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 407 transitions. Word has length 80 [2024-11-27 23:23:21,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:21,681 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 407 transitions. [2024-11-27 23:23:21,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) [2024-11-27 23:23:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 407 transitions. [2024-11-27 23:23:21,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-27 23:23:21,683 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:21,683 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-27 23:23:21,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:21,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-27 23:23:21,884 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:21,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:21,884 INFO L85 PathProgramCache]: Analyzing trace with hash -131064306, now seen corresponding path program 1 times [2024-11-27 23:23:21,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:21,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193349718] [2024-11-27 23:23:21,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:21,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 23:23:22,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:22,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193349718] [2024-11-27 23:23:22,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193349718] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:22,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346570090] [2024-11-27 23:23:22,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:22,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:22,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:22,305 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:22,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 23:23:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:22,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:23:22,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:22,784 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:23:22,784 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:23,286 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 23:23:23,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346570090] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:23,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:23:23,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2024-11-27 23:23:23,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967700055] [2024-11-27 23:23:23,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:23,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-27 23:23:23,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:23,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-27 23:23:23,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1444, Unknown=0, NotChecked=0, Total=1806 [2024-11-27 23:23:23,290 INFO L87 Difference]: Start difference. First operand 360 states and 407 transitions. Second operand has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-27 23:23:26,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:26,116 INFO L93 Difference]: Finished difference Result 776 states and 906 transitions. [2024-11-27 23:23:26,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-11-27 23:23:26,118 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 86 [2024-11-27 23:23:26,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:26,123 INFO L225 Difference]: With dead ends: 776 [2024-11-27 23:23:26,123 INFO L226 Difference]: Without dead ends: 617 [2024-11-27 23:23:26,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2133 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1770, Invalid=7350, Unknown=0, NotChecked=0, Total=9120 [2024-11-27 23:23:26,128 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 546 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:26,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 369 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 23:23:26,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-27 23:23:26,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 556. [2024-11-27 23:23:26,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 445 states have (on average 1.1752808988764045) internal successors, (523), 448 states have internal predecessors, (523), 57 states have call successors, (57), 51 states have call predecessors, (57), 51 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-27 23:23:26,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 637 transitions. [2024-11-27 23:23:26,199 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 637 transitions. Word has length 86 [2024-11-27 23:23:26,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:26,200 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 637 transitions. [2024-11-27 23:23:26,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-27 23:23:26,200 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 637 transitions. [2024-11-27 23:23:26,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-27 23:23:26,202 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:26,202 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:26,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-27 23:23:26,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-27 23:23:26,403 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:26,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:26,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2020837704, now seen corresponding path program 1 times [2024-11-27 23:23:26,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:26,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110131963] [2024-11-27 23:23:26,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:26,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:26,840 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 23:23:26,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:26,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110131963] [2024-11-27 23:23:26,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110131963] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:26,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597725388] [2024-11-27 23:23:26,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:26,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:26,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:26,844 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:26,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 23:23:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:26,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:23:26,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:27,349 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:23:27,349 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:27,845 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 23:23:27,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597725388] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:27,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:23:27,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2024-11-27 23:23:27,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481932088] [2024-11-27 23:23:27,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:27,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-27 23:23:27,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:27,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-27 23:23:27,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=1438, Unknown=0, NotChecked=0, Total=1806 [2024-11-27 23:23:27,850 INFO L87 Difference]: Start difference. First operand 556 states and 637 transitions. Second operand has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-27 23:23:30,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:30,173 INFO L93 Difference]: Finished difference Result 716 states and 822 transitions. [2024-11-27 23:23:30,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-27 23:23:30,174 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 86 [2024-11-27 23:23:30,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:30,179 INFO L225 Difference]: With dead ends: 716 [2024-11-27 23:23:30,179 INFO L226 Difference]: Without dead ends: 713 [2024-11-27 23:23:30,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1845 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1656, Invalid=6716, Unknown=0, NotChecked=0, Total=8372 [2024-11-27 23:23:30,183 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 347 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:30,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 387 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 23:23:30,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2024-11-27 23:23:30,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 608. [2024-11-27 23:23:30,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 485 states have (on average 1.1814432989690722) internal successors, (573), 488 states have internal predecessors, (573), 63 states have call successors, (63), 57 states have call predecessors, (63), 57 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-27 23:23:30,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 699 transitions. [2024-11-27 23:23:30,255 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 699 transitions. Word has length 86 [2024-11-27 23:23:30,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:30,256 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 699 transitions. [2024-11-27 23:23:30,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-27 23:23:30,256 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 699 transitions. [2024-11-27 23:23:30,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:23:30,260 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:30,260 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-27 23:23:30,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 23:23:30,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-27 23:23:30,465 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:30,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:30,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1183142070, now seen corresponding path program 1 times [2024-11-27 23:23:30,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:30,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708352622] [2024-11-27 23:23:30,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:30,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:30,951 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-27 23:23:30,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:30,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708352622] [2024-11-27 23:23:30,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708352622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:30,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638141607] [2024-11-27 23:23:30,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:30,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:30,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:30,954 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:30,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 23:23:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:31,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 23:23:31,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:31,234 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 142 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:23:31,234 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:31,701 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-27 23:23:31,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638141607] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:31,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:23:31,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 18] total 37 [2024-11-27 23:23:31,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896680262] [2024-11-27 23:23:31,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:31,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-27 23:23:31,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:31,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-27 23:23:31,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2024-11-27 23:23:31,704 INFO L87 Difference]: Start difference. First operand 608 states and 699 transitions. Second operand has 37 states, 37 states have (on average 3.3513513513513513) internal successors, (124), 37 states have internal predecessors, (124), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) [2024-11-27 23:23:33,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:33,528 INFO L93 Difference]: Finished difference Result 1131 states and 1314 transitions. [2024-11-27 23:23:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-27 23:23:33,529 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.3513513513513513) internal successors, (124), 37 states have internal predecessors, (124), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) Word has length 100 [2024-11-27 23:23:33,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:33,534 INFO L225 Difference]: With dead ends: 1131 [2024-11-27 23:23:33,534 INFO L226 Difference]: Without dead ends: 842 [2024-11-27 23:23:33,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1387 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1135, Invalid=4415, Unknown=0, NotChecked=0, Total=5550 [2024-11-27 23:23:33,538 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 216 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:33,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 588 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:23:33,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-11-27 23:23:33,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 758. [2024-11-27 23:23:33,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 605 states have (on average 1.1586776859504133) internal successors, (701), 608 states have internal predecessors, (701), 78 states have call successors, (78), 72 states have call predecessors, (78), 72 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-27 23:23:33,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 857 transitions. [2024-11-27 23:23:33,621 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 857 transitions. Word has length 100 [2024-11-27 23:23:33,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:33,621 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 857 transitions. [2024-11-27 23:23:33,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.3513513513513513) internal successors, (124), 37 states have internal predecessors, (124), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) [2024-11-27 23:23:33,622 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 857 transitions. [2024-11-27 23:23:33,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-27 23:23:33,629 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:33,629 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:33,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-27 23:23:33,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-27 23:23:33,830 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:33,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:33,830 INFO L85 PathProgramCache]: Analyzing trace with hash 931016932, now seen corresponding path program 1 times [2024-11-27 23:23:33,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:33,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717065573] [2024-11-27 23:23:33,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:33,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:34,282 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-27 23:23:34,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:34,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717065573] [2024-11-27 23:23:34,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717065573] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:34,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147873611] [2024-11-27 23:23:34,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:34,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:34,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:34,285 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:34,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 23:23:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:34,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 23:23:34,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:34,879 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 166 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:23:34,880 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:35,426 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-27 23:23:35,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147873611] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:35,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:23:35,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 54 [2024-11-27 23:23:35,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177183921] [2024-11-27 23:23:35,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:35,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-27 23:23:35,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:35,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-27 23:23:35,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=2406, Unknown=0, NotChecked=0, Total=2970 [2024-11-27 23:23:35,431 INFO L87 Difference]: Start difference. First operand 758 states and 857 transitions. Second operand has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2024-11-27 23:23:38,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:38,182 INFO L93 Difference]: Finished difference Result 927 states and 1052 transitions. [2024-11-27 23:23:38,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-11-27 23:23:38,183 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) Word has length 106 [2024-11-27 23:23:38,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:38,187 INFO L225 Difference]: With dead ends: 927 [2024-11-27 23:23:38,187 INFO L226 Difference]: Without dead ends: 925 [2024-11-27 23:23:38,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3588 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=2754, Invalid=12008, Unknown=0, NotChecked=0, Total=14762 [2024-11-27 23:23:38,192 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 515 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:38,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 416 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 23:23:38,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2024-11-27 23:23:38,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 624. [2024-11-27 23:23:38,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 497 states have (on average 1.1609657947686116) internal successors, (577), 501 states have internal predecessors, (577), 65 states have call successors, (65), 59 states have call predecessors, (65), 59 states have return successors, (65), 63 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-27 23:23:38,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 707 transitions. [2024-11-27 23:23:38,270 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 707 transitions. Word has length 106 [2024-11-27 23:23:38,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:38,271 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 707 transitions. [2024-11-27 23:23:38,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2024-11-27 23:23:38,271 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 707 transitions. [2024-11-27 23:23:38,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-27 23:23:38,274 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:38,274 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:38,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-27 23:23:38,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-27 23:23:38,475 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:38,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:38,475 INFO L85 PathProgramCache]: Analyzing trace with hash -554408752, now seen corresponding path program 2 times [2024-11-27 23:23:38,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:38,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065734429] [2024-11-27 23:23:38,476 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:23:38,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:38,507 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:23:38,507 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:23:38,737 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-11-27 23:23:38,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:38,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065734429] [2024-11-27 23:23:38,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065734429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:38,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:38,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:23:38,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449510889] [2024-11-27 23:23:38,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:38,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:23:38,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:38,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:23:38,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:23:38,738 INFO L87 Difference]: Start difference. First operand 624 states and 707 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:23:38,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:38,897 INFO L93 Difference]: Finished difference Result 638 states and 721 transitions. [2024-11-27 23:23:38,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:23:38,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 146 [2024-11-27 23:23:38,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:38,901 INFO L225 Difference]: With dead ends: 638 [2024-11-27 23:23:38,901 INFO L226 Difference]: Without dead ends: 637 [2024-11-27 23:23:38,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:23:38,902 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 24 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:38,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 133 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:23:38,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-27 23:23:38,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 624. [2024-11-27 23:23:38,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 497 states have (on average 1.158953722334004) internal successors, (576), 501 states have internal predecessors, (576), 65 states have call successors, (65), 59 states have call predecessors, (65), 59 states have return successors, (65), 63 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-27 23:23:38,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 706 transitions. [2024-11-27 23:23:38,961 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 706 transitions. Word has length 146 [2024-11-27 23:23:38,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:38,962 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 706 transitions. [2024-11-27 23:23:38,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:23:38,962 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 706 transitions. [2024-11-27 23:23:38,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-27 23:23:38,965 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:38,965 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:38,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 23:23:38,966 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:38,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:38,966 INFO L85 PathProgramCache]: Analyzing trace with hash -775950785, now seen corresponding path program 2 times [2024-11-27 23:23:38,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:38,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262142866] [2024-11-27 23:23:38,967 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:23:38,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:39,003 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:23:39,003 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:23:39,884 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 3 proven. 178 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-27 23:23:39,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:39,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262142866] [2024-11-27 23:23:39,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262142866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:39,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954921447] [2024-11-27 23:23:39,885 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:23:39,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:39,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:39,887 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:39,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 23:23:39,990 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:23:39,990 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:23:39,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 23:23:39,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 3 proven. 442 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:23:40,232 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 3 proven. 178 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-27 23:23:41,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954921447] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:41,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:23:41,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27, 28] total 57 [2024-11-27 23:23:41,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307417207] [2024-11-27 23:23:41,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:41,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-27 23:23:41,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:41,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-27 23:23:41,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=629, Invalid=2563, Unknown=0, NotChecked=0, Total=3192 [2024-11-27 23:23:41,080 INFO L87 Difference]: Start difference. First operand 624 states and 706 transitions. Second operand has 57 states, 57 states have (on average 3.3157894736842106) internal successors, (189), 57 states have internal predecessors, (189), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-11-27 23:23:44,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:44,314 INFO L93 Difference]: Finished difference Result 1489 states and 1718 transitions. [2024-11-27 23:23:44,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-11-27 23:23:44,314 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 3.3157894736842106) internal successors, (189), 57 states have internal predecessors, (189), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) Word has length 150 [2024-11-27 23:23:44,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:44,322 INFO L225 Difference]: With dead ends: 1489 [2024-11-27 23:23:44,322 INFO L226 Difference]: Without dead ends: 1224 [2024-11-27 23:23:44,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4273 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=3050, Invalid=12450, Unknown=0, NotChecked=0, Total=15500 [2024-11-27 23:23:44,326 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 411 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:44,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 577 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-27 23:23:44,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2024-11-27 23:23:44,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 898. [2024-11-27 23:23:44,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 898 states, 717 states have (on average 1.1478382147838215) internal successors, (823), 721 states have internal predecessors, (823), 92 states have call successors, (92), 86 states have call predecessors, (92), 86 states have return successors, (92), 90 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-27 23:23:44,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1007 transitions. [2024-11-27 23:23:44,453 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1007 transitions. Word has length 150 [2024-11-27 23:23:44,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:44,454 INFO L471 AbstractCegarLoop]: Abstraction has 898 states and 1007 transitions. [2024-11-27 23:23:44,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 3.3157894736842106) internal successors, (189), 57 states have internal predecessors, (189), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-11-27 23:23:44,455 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1007 transitions. [2024-11-27 23:23:44,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-27 23:23:44,458 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:44,458 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 10, 10, 9, 9, 9, 9, 8, 4, 4, 4, 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] [2024-11-27 23:23:44,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-27 23:23:44,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:44,659 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:44,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:44,660 INFO L85 PathProgramCache]: Analyzing trace with hash 200484705, now seen corresponding path program 1 times [2024-11-27 23:23:44,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:44,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070540586] [2024-11-27 23:23:44,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:44,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:45,848 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-27 23:23:45,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:45,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070540586] [2024-11-27 23:23:45,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070540586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:45,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879206108] [2024-11-27 23:23:45,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:45,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:45,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:45,852 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:45,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 23:23:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:45,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-27 23:23:45,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:47,168 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 3 proven. 564 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:23:47,169 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:48,617 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 3 proven. 252 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-27 23:23:48,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879206108] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:48,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:23:48,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28, 28] total 84 [2024-11-27 23:23:48,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738112268] [2024-11-27 23:23:48,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:48,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-11-27 23:23:48,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:48,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-11-27 23:23:48,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1477, Invalid=5663, Unknown=0, NotChecked=0, Total=7140 [2024-11-27 23:23:48,623 INFO L87 Difference]: Start difference. First operand 898 states and 1007 transitions. Second operand has 85 states, 84 states have (on average 3.011904761904762) internal successors, (253), 85 states have internal predecessors, (253), 41 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 41 states have call predecessors, (47), 41 states have call successors, (47) [2024-11-27 23:23:55,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:55,023 INFO L93 Difference]: Finished difference Result 1925 states and 2209 transitions. [2024-11-27 23:23:55,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-11-27 23:23:55,025 INFO L78 Accepts]: Start accepts. Automaton has has 85 states, 84 states have (on average 3.011904761904762) internal successors, (253), 85 states have internal predecessors, (253), 41 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 41 states have call predecessors, (47), 41 states have call successors, (47) Word has length 156 [2024-11-27 23:23:55,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:55,034 INFO L225 Difference]: With dead ends: 1925 [2024-11-27 23:23:55,035 INFO L226 Difference]: Without dead ends: 1660 [2024-11-27 23:23:55,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8378 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=7279, Invalid=27131, Unknown=0, NotChecked=0, Total=34410 [2024-11-27 23:23:55,042 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 906 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:55,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 507 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-27 23:23:55,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2024-11-27 23:23:55,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1181. [2024-11-27 23:23:55,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 944 states have (on average 1.1588983050847457) internal successors, (1094), 948 states have internal predecessors, (1094), 120 states have call successors, (120), 114 states have call predecessors, (120), 114 states have return successors, (120), 118 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-27 23:23:55,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 1334 transitions. [2024-11-27 23:23:55,187 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 1334 transitions. Word has length 156 [2024-11-27 23:23:55,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:55,190 INFO L471 AbstractCegarLoop]: Abstraction has 1181 states and 1334 transitions. [2024-11-27 23:23:55,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 84 states have (on average 3.011904761904762) internal successors, (253), 85 states have internal predecessors, (253), 41 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 41 states have call predecessors, (47), 41 states have call successors, (47) [2024-11-27 23:23:55,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1334 transitions. [2024-11-27 23:23:55,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-27 23:23:55,196 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:55,197 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:55,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:55,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:55,402 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:55,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:55,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1356656408, now seen corresponding path program 2 times [2024-11-27 23:23:55,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:55,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900291426] [2024-11-27 23:23:55,403 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:23:55,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:55,437 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:23:55,437 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:23:55,662 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2024-11-27 23:23:55,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:55,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900291426] [2024-11-27 23:23:55,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900291426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:55,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:55,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:23:55,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540267042] [2024-11-27 23:23:55,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:55,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:23:55,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:55,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:23:55,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:23:55,665 INFO L87 Difference]: Start difference. First operand 1181 states and 1334 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:23:55,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:55,866 INFO L93 Difference]: Finished difference Result 1196 states and 1350 transitions. [2024-11-27 23:23:55,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:23:55,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 166 [2024-11-27 23:23:55,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:55,872 INFO L225 Difference]: With dead ends: 1196 [2024-11-27 23:23:55,872 INFO L226 Difference]: Without dead ends: 1195 [2024-11-27 23:23:55,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:23:55,874 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 23 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:55,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 128 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:23:55,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2024-11-27 23:23:55,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 1045. [2024-11-27 23:23:55,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 836 states have (on average 1.1626794258373205) internal successors, (972), 840 states have internal predecessors, (972), 106 states have call successors, (106), 100 states have call predecessors, (106), 100 states have return successors, (106), 104 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-27 23:23:55,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1184 transitions. [2024-11-27 23:23:55,988 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1184 transitions. Word has length 166 [2024-11-27 23:23:55,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:55,989 INFO L471 AbstractCegarLoop]: Abstraction has 1045 states and 1184 transitions. [2024-11-27 23:23:55,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:23:55,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1184 transitions. [2024-11-27 23:23:55,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-27 23:23:55,992 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:55,992 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 11, 11, 11, 10, 10, 10, 9, 4, 4, 4, 3, 3, 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] [2024-11-27 23:23:55,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-27 23:23:55,993 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:55,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:55,993 INFO L85 PathProgramCache]: Analyzing trace with hash 2027392393, now seen corresponding path program 1 times [2024-11-27 23:23:55,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:55,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849021713] [2024-11-27 23:23:55,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:55,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:56,107 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2024-11-27 23:23:56,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:56,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849021713] [2024-11-27 23:23:56,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849021713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:56,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:56,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:23:56,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898817403] [2024-11-27 23:23:56,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:56,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:23:56,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:56,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:23:56,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:23:56,109 INFO L87 Difference]: Start difference. First operand 1045 states and 1184 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 23:23:56,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:56,233 INFO L93 Difference]: Finished difference Result 1480 states and 1701 transitions. [2024-11-27 23:23:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:23:56,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 170 [2024-11-27 23:23:56,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:56,241 INFO L225 Difference]: With dead ends: 1480 [2024-11-27 23:23:56,242 INFO L226 Difference]: Without dead ends: 1064 [2024-11-27 23:23:56,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:23:56,246 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 11 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:56,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 157 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:23:56,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2024-11-27 23:23:56,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1058. [2024-11-27 23:23:56,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 847 states have (on average 1.1605667060212514) internal successors, (983), 852 states have internal predecessors, (983), 109 states have call successors, (109), 99 states have call predecessors, (109), 99 states have return successors, (109), 106 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-27 23:23:56,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1201 transitions. [2024-11-27 23:23:56,358 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1201 transitions. Word has length 170 [2024-11-27 23:23:56,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:56,359 INFO L471 AbstractCegarLoop]: Abstraction has 1058 states and 1201 transitions. [2024-11-27 23:23:56,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 23:23:56,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1201 transitions. [2024-11-27 23:23:56,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-27 23:23:56,362 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:56,362 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 8, 8, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:56,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-27 23:23:56,362 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:23:56,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:56,363 INFO L85 PathProgramCache]: Analyzing trace with hash 462308863, now seen corresponding path program 1 times [2024-11-27 23:23:56,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:56,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606769190] [2024-11-27 23:23:56,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:56,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:57,325 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 6 proven. 220 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-27 23:23:57,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:57,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606769190] [2024-11-27 23:23:57,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606769190] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:57,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728580273] [2024-11-27 23:23:57,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:57,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:57,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:57,328 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:57,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 23:23:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:57,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-27 23:23:57,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:57,732 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 6 proven. 584 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:23:57,733 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:58,922 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 6 proven. 220 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-27 23:23:58,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728580273] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:23:58,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:23:58,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 31, 32] total 65 [2024-11-27 23:23:58,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697363414] [2024-11-27 23:23:58,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:58,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-11-27 23:23:58,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:58,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-11-27 23:23:58,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=801, Invalid=3359, Unknown=0, NotChecked=0, Total=4160 [2024-11-27 23:23:58,927 INFO L87 Difference]: Start difference. First operand 1058 states and 1201 transitions. Second operand has 65 states, 65 states have (on average 3.3076923076923075) internal successors, (215), 65 states have internal predecessors, (215), 31 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 31 states have call predecessors, (54), 31 states have call successors, (54) [2024-11-27 23:24:02,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:02,193 INFO L93 Difference]: Finished difference Result 2486 states and 2817 transitions. [2024-11-27 23:24:02,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-11-27 23:24:02,194 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 65 states have (on average 3.3076923076923075) internal successors, (215), 65 states have internal predecessors, (215), 31 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 31 states have call predecessors, (54), 31 states have call successors, (54) Word has length 170 [2024-11-27 23:24:02,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:02,204 INFO L225 Difference]: With dead ends: 2486 [2024-11-27 23:24:02,204 INFO L226 Difference]: Without dead ends: 2091 [2024-11-27 23:24:02,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5654 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=3773, Invalid=15967, Unknown=0, NotChecked=0, Total=19740 [2024-11-27 23:24:02,208 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 487 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:02,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 607 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-27 23:24:02,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2024-11-27 23:24:02,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 1438. [2024-11-27 23:24:02,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1438 states, 1151 states have (on average 1.1442224152910512) internal successors, (1317), 1156 states have internal predecessors, (1317), 147 states have call successors, (147), 137 states have call predecessors, (147), 137 states have return successors, (147), 144 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-27 23:24:02,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 1611 transitions. [2024-11-27 23:24:02,398 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 1611 transitions. Word has length 170 [2024-11-27 23:24:02,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:02,399 INFO L471 AbstractCegarLoop]: Abstraction has 1438 states and 1611 transitions. [2024-11-27 23:24:02,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.3076923076923075) internal successors, (215), 65 states have internal predecessors, (215), 31 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 31 states have call predecessors, (54), 31 states have call successors, (54) [2024-11-27 23:24:02,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1611 transitions. [2024-11-27 23:24:02,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-27 23:24:02,404 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:02,405 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 10, 10, 10, 9, 9, 9, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:02,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:02,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-27 23:24:02,609 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:24:02,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:02,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1541213406, now seen corresponding path program 1 times [2024-11-27 23:24:02,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:02,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802956403] [2024-11-27 23:24:02,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:02,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:02,719 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2024-11-27 23:24:02,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:02,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802956403] [2024-11-27 23:24:02,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802956403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:02,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:02,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:24:02,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947407181] [2024-11-27 23:24:02,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:02,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:24:02,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:02,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:24:02,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:24:02,721 INFO L87 Difference]: Start difference. First operand 1438 states and 1611 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 23:24:02,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:02,955 INFO L93 Difference]: Finished difference Result 2333 states and 2643 transitions. [2024-11-27 23:24:02,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:24:02,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 174 [2024-11-27 23:24:02,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:02,962 INFO L225 Difference]: With dead ends: 2333 [2024-11-27 23:24:02,964 INFO L226 Difference]: Without dead ends: 1490 [2024-11-27 23:24:02,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:24:02,966 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 13 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:02,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 151 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:24:02,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2024-11-27 23:24:03,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1470. [2024-11-27 23:24:03,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1470 states, 1178 states have (on average 1.1392190152801358) internal successors, (1342), 1184 states have internal predecessors, (1342), 152 states have call successors, (152), 137 states have call predecessors, (152), 137 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-27 23:24:03,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 1646 transitions. [2024-11-27 23:24:03,149 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 1646 transitions. Word has length 174 [2024-11-27 23:24:03,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:03,149 INFO L471 AbstractCegarLoop]: Abstraction has 1470 states and 1646 transitions. [2024-11-27 23:24:03,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 23:24:03,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1646 transitions. [2024-11-27 23:24:03,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:24:03,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:03,158 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:03,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-27 23:24:03,158 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:24:03,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:03,159 INFO L85 PathProgramCache]: Analyzing trace with hash 394850478, now seen corresponding path program 3 times [2024-11-27 23:24:03,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:03,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944947544] [2024-11-27 23:24:03,159 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:24:03,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:03,183 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 23:24:03,183 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:24:03,283 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 687 trivial. 0 not checked. [2024-11-27 23:24:03,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:03,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944947544] [2024-11-27 23:24:03,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944947544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:03,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:03,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:24:03,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393349095] [2024-11-27 23:24:03,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:03,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:24:03,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:03,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:24:03,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:24:03,286 INFO L87 Difference]: Start difference. First operand 1470 states and 1646 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:24:03,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:03,607 INFO L93 Difference]: Finished difference Result 1475 states and 1650 transitions. [2024-11-27 23:24:03,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:24:03,608 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 180 [2024-11-27 23:24:03,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:03,615 INFO L225 Difference]: With dead ends: 1475 [2024-11-27 23:24:03,615 INFO L226 Difference]: Without dead ends: 1474 [2024-11-27 23:24:03,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:24:03,616 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 39 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:03,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 170 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:24:03,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2024-11-27 23:24:03,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1215. [2024-11-27 23:24:03,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 972 states have (on average 1.1296296296296295) internal successors, (1098), 978 states have internal predecessors, (1098), 126 states have call successors, (126), 114 states have call predecessors, (126), 114 states have return successors, (126), 122 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-27 23:24:03,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1350 transitions. [2024-11-27 23:24:03,773 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1350 transitions. Word has length 180 [2024-11-27 23:24:03,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:03,774 INFO L471 AbstractCegarLoop]: Abstraction has 1215 states and 1350 transitions. [2024-11-27 23:24:03,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:24:03,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1350 transitions. [2024-11-27 23:24:03,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-27 23:24:03,779 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:03,779 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 13, 13, 13, 12, 12, 12, 11, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:03,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-27 23:24:03,779 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:24:03,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:03,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1250143618, now seen corresponding path program 1 times [2024-11-27 23:24:03,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:03,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810144873] [2024-11-27 23:24:03,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:03,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:05,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 9 proven. 468 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2024-11-27 23:24:05,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:05,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810144873] [2024-11-27 23:24:05,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810144873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:05,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733599323] [2024-11-27 23:24:05,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:05,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:05,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:05,205 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:05,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-27 23:24:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:05,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-27 23:24:05,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:05,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 9 proven. 1012 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:24:05,729 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 9 proven. 468 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2024-11-27 23:24:07,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733599323] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:07,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:07,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 37, 38] total 77 [2024-11-27 23:24:07,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823945033] [2024-11-27 23:24:07,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:07,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-11-27 23:24:07,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:07,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-11-27 23:24:07,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1207, Invalid=4645, Unknown=0, NotChecked=0, Total=5852 [2024-11-27 23:24:07,291 INFO L87 Difference]: Start difference. First operand 1215 states and 1350 transitions. Second operand has 77 states, 77 states have (on average 3.2987012987012987) internal successors, (254), 77 states have internal predecessors, (254), 37 states have call successors, (63), 19 states have call predecessors, (63), 19 states have return successors, (63), 37 states have call predecessors, (63), 37 states have call successors, (63) [2024-11-27 23:24:11,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:11,962 INFO L93 Difference]: Finished difference Result 2635 states and 2960 transitions. [2024-11-27 23:24:11,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-11-27 23:24:11,962 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 77 states have (on average 3.2987012987012987) internal successors, (254), 77 states have internal predecessors, (254), 37 states have call successors, (63), 19 states have call predecessors, (63), 19 states have return successors, (63), 37 states have call predecessors, (63), 37 states have call successors, (63) Word has length 200 [2024-11-27 23:24:11,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:11,971 INFO L225 Difference]: With dead ends: 2635 [2024-11-27 23:24:11,971 INFO L226 Difference]: Without dead ends: 2321 [2024-11-27 23:24:11,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7243 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=5582, Invalid=20824, Unknown=0, NotChecked=0, Total=26406 [2024-11-27 23:24:11,976 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 668 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:11,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 732 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-27 23:24:11,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2321 states. [2024-11-27 23:24:12,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2321 to 2111. [2024-11-27 23:24:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2111 states, 1691 states have (on average 1.117090479006505) internal successors, (1889), 1697 states have internal predecessors, (1889), 214 states have call successors, (214), 203 states have call predecessors, (214), 203 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-27 23:24:12,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 2111 states and 2317 transitions. [2024-11-27 23:24:12,304 INFO L78 Accepts]: Start accepts. Automaton has 2111 states and 2317 transitions. Word has length 200 [2024-11-27 23:24:12,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:12,305 INFO L471 AbstractCegarLoop]: Abstraction has 2111 states and 2317 transitions. [2024-11-27 23:24:12,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 3.2987012987012987) internal successors, (254), 77 states have internal predecessors, (254), 37 states have call successors, (63), 19 states have call predecessors, (63), 19 states have return successors, (63), 37 states have call predecessors, (63), 37 states have call successors, (63) [2024-11-27 23:24:12,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2111 states and 2317 transitions. [2024-11-27 23:24:12,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-27 23:24:12,314 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:12,314 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 14, 14, 14, 14, 14, 14, 12, 4, 4, 4, 3, 3, 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] [2024-11-27 23:24:12,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-27 23:24:12,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:12,519 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:24:12,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:12,519 INFO L85 PathProgramCache]: Analyzing trace with hash -641744914, now seen corresponding path program 1 times [2024-11-27 23:24:12,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:12,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503822871] [2024-11-27 23:24:12,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:12,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:14,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 564 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2024-11-27 23:24:14,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:14,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503822871] [2024-11-27 23:24:14,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503822871] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:14,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715166259] [2024-11-27 23:24:14,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:14,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:14,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:14,067 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:14,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-27 23:24:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:14,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-27 23:24:14,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:16,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 3 proven. 1173 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:24:16,083 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:18,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 3 proven. 561 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2024-11-27 23:24:18,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715166259] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:18,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:18,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 38, 38] total 114 [2024-11-27 23:24:18,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900463710] [2024-11-27 23:24:18,200 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:18,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-11-27 23:24:18,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:18,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-11-27 23:24:18,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2714, Invalid=10396, Unknown=0, NotChecked=0, Total=13110 [2024-11-27 23:24:18,204 INFO L87 Difference]: Start difference. First operand 2111 states and 2317 transitions. Second operand has 115 states, 114 states have (on average 3.008771929824561) internal successors, (343), 115 states have internal predecessors, (343), 56 states have call successors, (62), 19 states have call predecessors, (62), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2024-11-27 23:24:28,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:28,072 INFO L93 Difference]: Finished difference Result 4045 states and 4548 transitions. [2024-11-27 23:24:28,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-11-27 23:24:28,075 INFO L78 Accepts]: Start accepts. Automaton has has 115 states, 114 states have (on average 3.008771929824561) internal successors, (343), 115 states have internal predecessors, (343), 56 states have call successors, (62), 19 states have call predecessors, (62), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) Word has length 206 [2024-11-27 23:24:28,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:28,089 INFO L225 Difference]: With dead ends: 4045 [2024-11-27 23:24:28,089 INFO L226 Difference]: Without dead ends: 3731 [2024-11-27 23:24:28,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19108 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=14924, Invalid=57706, Unknown=0, NotChecked=0, Total=72630 [2024-11-27 23:24:28,096 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 1278 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1278 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:28,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1278 Valid, 651 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-27 23:24:28,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3731 states. [2024-11-27 23:24:28,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3731 to 2383. [2024-11-27 23:24:28,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2383 states, 1909 states have (on average 1.1210057621791514) internal successors, (2140), 1916 states have internal predecessors, (2140), 241 states have call successors, (241), 230 states have call predecessors, (241), 230 states have return successors, (241), 236 states have call predecessors, (241), 241 states have call successors, (241) [2024-11-27 23:24:28,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2383 states and 2622 transitions. [2024-11-27 23:24:28,416 INFO L78 Accepts]: Start accepts. Automaton has 2383 states and 2622 transitions. Word has length 206 [2024-11-27 23:24:28,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:28,417 INFO L471 AbstractCegarLoop]: Abstraction has 2383 states and 2622 transitions. [2024-11-27 23:24:28,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 114 states have (on average 3.008771929824561) internal successors, (343), 115 states have internal predecessors, (343), 56 states have call successors, (62), 19 states have call predecessors, (62), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2024-11-27 23:24:28,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 2622 transitions. [2024-11-27 23:24:28,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-27 23:24:28,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:28,425 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 18, 18, 18, 18, 18, 18, 16, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:28,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:28,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:28,629 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:24:28,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:28,630 INFO L85 PathProgramCache]: Analyzing trace with hash -447448896, now seen corresponding path program 2 times [2024-11-27 23:24:28,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:28,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915879781] [2024-11-27 23:24:28,630 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:24:28,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:28,727 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:24:28,727 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:24:30,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1996 backedges. 6 proven. 954 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2024-11-27 23:24:30,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:30,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915879781] [2024-11-27 23:24:30,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915879781] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:30,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912415166] [2024-11-27 23:24:30,654 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:24:30,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:30,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:30,656 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:30,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-27 23:24:30,790 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:24:30,790 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:24:30,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-27 23:24:30,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:31,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1996 backedges. 6 proven. 1966 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:24:31,179 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:33,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1996 backedges. 6 proven. 954 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2024-11-27 23:24:33,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912415166] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:33,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:33,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 49, 50] total 101 [2024-11-27 23:24:33,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755942723] [2024-11-27 23:24:33,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:33,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-11-27 23:24:33,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:33,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-11-27 23:24:33,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2095, Invalid=8005, Unknown=0, NotChecked=0, Total=10100 [2024-11-27 23:24:33,541 INFO L87 Difference]: Start difference. First operand 2383 states and 2622 transitions. Second operand has 101 states, 101 states have (on average 3.287128712871287) internal successors, (332), 101 states have internal predecessors, (332), 49 states have call successors, (81), 25 states have call predecessors, (81), 25 states have return successors, (81), 49 states have call predecessors, (81), 49 states have call successors, (81) [2024-11-27 23:24:40,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:40,809 INFO L93 Difference]: Finished difference Result 4221 states and 4722 transitions. [2024-11-27 23:24:40,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-11-27 23:24:40,810 INFO L78 Accepts]: Start accepts. Automaton has has 101 states, 101 states have (on average 3.287128712871287) internal successors, (332), 101 states have internal predecessors, (332), 49 states have call successors, (81), 25 states have call predecessors, (81), 25 states have return successors, (81), 49 states have call predecessors, (81), 49 states have call successors, (81) Word has length 260 [2024-11-27 23:24:40,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:40,819 INFO L225 Difference]: With dead ends: 4221 [2024-11-27 23:24:40,819 INFO L226 Difference]: Without dead ends: 3814 [2024-11-27 23:24:40,823 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 704 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16390 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=11231, Invalid=44229, Unknown=0, NotChecked=0, Total=55460 [2024-11-27 23:24:40,824 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 1042 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:40,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 676 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-27 23:24:40,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3814 states. [2024-11-27 23:24:41,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3814 to 3115. [2024-11-27 23:24:41,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3115 states, 2493 states have (on average 1.1211391897312475) internal successors, (2795), 2500 states have internal predecessors, (2795), 315 states have call successors, (315), 304 states have call predecessors, (315), 304 states have return successors, (315), 310 states have call predecessors, (315), 315 states have call successors, (315) [2024-11-27 23:24:41,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 3425 transitions. [2024-11-27 23:24:41,203 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 3425 transitions. Word has length 260 [2024-11-27 23:24:41,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:41,204 INFO L471 AbstractCegarLoop]: Abstraction has 3115 states and 3425 transitions. [2024-11-27 23:24:41,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 3.287128712871287) internal successors, (332), 101 states have internal predecessors, (332), 49 states have call successors, (81), 25 states have call predecessors, (81), 25 states have return successors, (81), 49 states have call predecessors, (81), 49 states have call successors, (81) [2024-11-27 23:24:41,204 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 3425 transitions. [2024-11-27 23:24:41,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-27 23:24:41,213 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:41,213 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 20, 20, 20, 19, 19, 19, 18, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:41,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-27 23:24:41,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-27 23:24:41,414 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:24:41,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:41,414 INFO L85 PathProgramCache]: Analyzing trace with hash 297139336, now seen corresponding path program 2 times [2024-11-27 23:24:41,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:41,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601212540] [2024-11-27 23:24:41,415 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:24:41,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:41,486 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:24:41,491 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:24:43,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 18 proven. 1126 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-27 23:24:43,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:43,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601212540] [2024-11-27 23:24:43,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601212540] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:43,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135742773] [2024-11-27 23:24:43,597 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:24:43,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:43,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:43,600 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:43,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-27 23:24:43,758 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 23:24:43,758 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:24:43,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-27 23:24:43,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 18 proven. 2230 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 23:24:44,132 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:46,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 18 proven. 1126 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-27 23:24:46,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135742773] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:46,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:46,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 51, 52] total 105 [2024-11-27 23:24:46,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632308251] [2024-11-27 23:24:46,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:46,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2024-11-27 23:24:46,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:46,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2024-11-27 23:24:46,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2341, Invalid=8579, Unknown=0, NotChecked=0, Total=10920 [2024-11-27 23:24:46,381 INFO L87 Difference]: Start difference. First operand 3115 states and 3425 transitions. Second operand has 105 states, 105 states have (on average 3.323809523809524) internal successors, (349), 105 states have internal predecessors, (349), 51 states have call successors, (84), 26 states have call predecessors, (84), 26 states have return successors, (84), 51 states have call predecessors, (84), 51 states have call successors, (84) [2024-11-27 23:24:54,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:54,098 INFO L93 Difference]: Finished difference Result 5362 states and 5950 transitions. [2024-11-27 23:24:54,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2024-11-27 23:24:54,099 INFO L78 Accepts]: Start accepts. Automaton has has 105 states, 105 states have (on average 3.323809523809524) internal successors, (349), 105 states have internal predecessors, (349), 51 states have call successors, (84), 26 states have call predecessors, (84), 26 states have return successors, (84), 51 states have call predecessors, (84), 51 states have call successors, (84) Word has length 274 [2024-11-27 23:24:54,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:54,119 INFO L225 Difference]: With dead ends: 5362 [2024-11-27 23:24:54,120 INFO L226 Difference]: Without dead ends: 4955 [2024-11-27 23:24:54,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 721 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14110 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=11487, Invalid=39815, Unknown=0, NotChecked=0, Total=51302 [2024-11-27 23:24:54,127 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 1292 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:54,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1292 Valid, 707 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-27 23:24:54,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4955 states. [2024-11-27 23:24:54,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4955 to 4548. [2024-11-27 23:24:54,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4548 states, 3642 states have (on average 1.1169686985172982) internal successors, (4068), 3648 states have internal predecessors, (4068), 457 states have call successors, (457), 446 states have call predecessors, (457), 446 states have return successors, (457), 453 states have call predecessors, (457), 457 states have call successors, (457) [2024-11-27 23:24:54,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4548 states to 4548 states and 4982 transitions. [2024-11-27 23:24:54,662 INFO L78 Accepts]: Start accepts. Automaton has 4548 states and 4982 transitions. Word has length 274 [2024-11-27 23:24:54,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:54,663 INFO L471 AbstractCegarLoop]: Abstraction has 4548 states and 4982 transitions. [2024-11-27 23:24:54,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 3.323809523809524) internal successors, (349), 105 states have internal predecessors, (349), 51 states have call successors, (84), 26 states have call predecessors, (84), 26 states have return successors, (84), 51 states have call predecessors, (84), 51 states have call successors, (84) [2024-11-27 23:24:54,664 INFO L276 IsEmpty]: Start isEmpty. Operand 4548 states and 4982 transitions. [2024-11-27 23:24:54,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-27 23:24:54,674 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:54,675 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 21, 21, 21, 21, 21, 21, 19, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:54,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-27 23:24:54,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-27 23:24:54,876 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:24:54,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:54,876 INFO L85 PathProgramCache]: Analyzing trace with hash 183162036, now seen corresponding path program 3 times [2024-11-27 23:24:54,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:54,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170263921] [2024-11-27 23:24:54,877 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:24:54,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:54,907 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 23:24:54,908 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:24:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2510 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 2436 trivial. 0 not checked. [2024-11-27 23:24:55,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:55,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170263921] [2024-11-27 23:24:55,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170263921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:55,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:55,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:24:55,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521297733] [2024-11-27 23:24:55,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:55,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:24:55,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:55,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:24:55,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:24:55,003 INFO L87 Difference]: Start difference. First operand 4548 states and 4982 transitions. Second operand has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:24:55,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:55,498 INFO L93 Difference]: Finished difference Result 4586 states and 5020 transitions. [2024-11-27 23:24:55,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:24:55,499 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 280 [2024-11-27 23:24:55,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:55,518 INFO L225 Difference]: With dead ends: 4586 [2024-11-27 23:24:55,518 INFO L226 Difference]: Without dead ends: 4584 [2024-11-27 23:24:55,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:24:55,520 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 33 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:55,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 190 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:24:55,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4584 states. [2024-11-27 23:24:55,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4584 to 4536. [2024-11-27 23:24:55,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4536 states, 3631 states have (on average 1.1162214266042412) internal successors, (4053), 3637 states have internal predecessors, (4053), 456 states have call successors, (456), 446 states have call predecessors, (456), 446 states have return successors, (456), 452 states have call predecessors, (456), 456 states have call successors, (456) [2024-11-27 23:24:55,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4536 states to 4536 states and 4965 transitions. [2024-11-27 23:24:55,980 INFO L78 Accepts]: Start accepts. Automaton has 4536 states and 4965 transitions. Word has length 280 [2024-11-27 23:24:55,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:55,981 INFO L471 AbstractCegarLoop]: Abstraction has 4536 states and 4965 transitions. [2024-11-27 23:24:55,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:24:55,981 INFO L276 IsEmpty]: Start isEmpty. Operand 4536 states and 4965 transitions. [2024-11-27 23:24:55,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-27 23:24:55,991 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:55,991 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 20, 20, 20, 19, 19, 19, 18, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:55,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-27 23:24:55,991 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-27 23:24:55,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:55,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1924147161, now seen corresponding path program 3 times [2024-11-27 23:24:55,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:55,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674992982] [2024-11-27 23:24:55,992 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:24:55,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:56,020 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 23:24:56,020 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:24:56,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2390 backedges. 151 proven. 1 refuted. 0 times theorem prover too weak. 2238 trivial. 0 not checked. [2024-11-27 23:24:56,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:56,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674992982] [2024-11-27 23:24:56,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674992982] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:56,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234255425] [2024-11-27 23:24:56,140 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:24:56,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:56,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:56,142 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:56,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-27 23:24:56,241 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 23:24:56,241 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:24:56,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:24:56,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2390 backedges. 247 proven. 1 refuted. 0 times theorem prover too weak. 2142 trivial. 0 not checked. [2024-11-27 23:24:56,308 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:56,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2390 backedges. 151 proven. 1 refuted. 0 times theorem prover too weak. 2238 trivial. 0 not checked. [2024-11-27 23:24:56,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234255425] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:56,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:56,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 17 [2024-11-27 23:24:56,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4902253] [2024-11-27 23:24:56,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:56,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 23:24:56,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:56,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 23:24:56,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:24:56,561 INFO L87 Difference]: Start difference. First operand 4536 states and 4965 transitions. Second operand has 18 states, 17 states have (on average 3.588235294117647) internal successors, (61), 18 states have internal predecessors, (61), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-27 23:24:57,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:57,567 INFO L93 Difference]: Finished difference Result 4630 states and 5074 transitions. [2024-11-27 23:24:57,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 23:24:57,567 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.588235294117647) internal successors, (61), 18 states have internal predecessors, (61), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 284 [2024-11-27 23:24:57,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:57,571 INFO L225 Difference]: With dead ends: 4630 [2024-11-27 23:24:57,571 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 23:24:57,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=184, Invalid=686, Unknown=0, NotChecked=0, Total=870 [2024-11-27 23:24:57,578 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 78 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:57,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 259 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:24:57,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 23:24:57,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 23:24:57,579 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) [2024-11-27 23:24:57,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 23:24:57,582 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 284 [2024-11-27 23:24:57,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:57,582 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 23:24:57,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.588235294117647) internal successors, (61), 18 states have internal predecessors, (61), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-27 23:24:57,582 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 23:24:57,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 23:24:57,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-27 23:24:57,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-27 23:24:57,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-27 23:24:57,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-27 23:24:57,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-27 23:24:57,586 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-27 23:24:57,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-27 23:24:57,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f9fb8e-314d-4f7a-b5bc-96cc4be25f52/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-27 23:24:57,794 INFO L422 BasicCegarLoop]: Path program histogram: [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:57,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.