./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd --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 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:05:51,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:05:51,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 15:05:51,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:05:51,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:05:51,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:05:51,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:05:51,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:05:51,939 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:05:51,939 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:05:51,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:05:51,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:05:51,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:05:51,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:05:51,943 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:05:51,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:05:51,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:05:51,943 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:05:51,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:05:51,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:05:51,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:05:51,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:05:51,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:05:51,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:05:51,944 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:05:51,944 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:05:51,944 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:05:51,944 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:05:51,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:05:51,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:05:51,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:05:51,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:05:51,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:05:51,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:05:51,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:05:51,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:05:51,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:05:51,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:05:51,945 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:05:51,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:05:51,945 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:05:51,945 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:05:51,945 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:05:51,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:05:51,945 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_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd 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 -> 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 [2024-11-13 15:05:52,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:05:52,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:05:52,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:05:52,337 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:05:52,338 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:05:52,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c Unable to find full path for "g++" [2024-11-13 15:05:54,261 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:05:54,587 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:05:54,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c [2024-11-13 15:05:54,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/data/dc56abfc1/798eb3eb1ab74265893720e22f513aa8/FLAG6aea14bcf [2024-11-13 15:05:54,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/data/dc56abfc1/798eb3eb1ab74265893720e22f513aa8 [2024-11-13 15:05:54,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:05:54,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:05:54,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:05:54,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:05:54,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:05:54,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:05:54" (1/1) ... [2024-11-13 15:05:54,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53189f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:54, skipping insertion in model container [2024-11-13 15:05:54,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:05:54" (1/1) ... [2024-11-13 15:05:54,881 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:05:55,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:05:55,099 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:05:55,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:05:55,131 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:05:55,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:55 WrapperNode [2024-11-13 15:05:55,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:05:55,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:05:55,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:05:55,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:05:55,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:55" (1/1) ... [2024-11-13 15:05:55,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:55" (1/1) ... [2024-11-13 15:05:55,164 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2024-11-13 15:05:55,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:05:55,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:05:55,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:05:55,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:05:55,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:55" (1/1) ... [2024-11-13 15:05:55,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:55" (1/1) ... [2024-11-13 15:05:55,176 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:55" (1/1) ... [2024-11-13 15:05:55,188 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-13 15:05:55,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:55" (1/1) ... [2024-11-13 15:05:55,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:55" (1/1) ... [2024-11-13 15:05:55,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:55" (1/1) ... [2024-11-13 15:05:55,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:55" (1/1) ... [2024-11-13 15:05:55,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:55" (1/1) ... [2024-11-13 15:05:55,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:55" (1/1) ... [2024-11-13 15:05:55,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:05:55,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:05:55,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:05:55,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:05:55,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:55" (1/1) ... [2024-11-13 15:05:55,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:05:55,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:05:55,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:05:55,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:05:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:05:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:05:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:05:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:05:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:05:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 15:05:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 15:05:55,323 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:05:55,325 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:05:55,792 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-13 15:05:55,792 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:05:55,810 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:05:55,811 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 15:05:55,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:05:55 BoogieIcfgContainer [2024-11-13 15:05:55,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:05:55,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:05:55,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:05:55,819 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:05:55,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:05:54" (1/3) ... [2024-11-13 15:05:55,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@603eaeb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:05:55, skipping insertion in model container [2024-11-13 15:05:55,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:05:55" (2/3) ... [2024-11-13 15:05:55,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@603eaeb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:05:55, skipping insertion in model container [2024-11-13 15:05:55,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:05:55" (3/3) ... [2024-11-13 15:05:55,822 INFO L112 eAbstractionObserver]: Analyzing ICFG hard2_valuebound10.c [2024-11-13 15:05:55,848 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:05:55,850 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hard2_valuebound10.c that has 2 procedures, 74 locations, 1 initial locations, 2 loop locations, and 24 error locations. [2024-11-13 15:05:55,922 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:05:55,942 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;@302552d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:05:55,942 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-13 15:05:55,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 41 states have (on average 1.8048780487804879) internal successors, (74), 65 states have internal predecessors, (74), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:05:55,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 15:05:55,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:55,956 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:55,957 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:05:55,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:55,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1804994722, now seen corresponding path program 1 times [2024-11-13 15:05:55,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:55,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275559015] [2024-11-13 15:05:55,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:55,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:56,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:56,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:56,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275559015] [2024-11-13 15:05:56,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275559015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:56,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:56,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:05:56,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079425186] [2024-11-13 15:05:56,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:56,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:05:56,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:56,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:05:56,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:05:56,167 INFO L87 Difference]: Start difference. First operand has 74 states, 41 states have (on average 1.8048780487804879) internal successors, (74), 65 states have internal predecessors, (74), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:56,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:56,190 INFO L93 Difference]: Finished difference Result 144 states and 178 transitions. [2024-11-13 15:05:56,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:05:56,192 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-13 15:05:56,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:56,199 INFO L225 Difference]: With dead ends: 144 [2024-11-13 15:05:56,199 INFO L226 Difference]: Without dead ends: 66 [2024-11-13 15:05:56,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:05:56,206 INFO L432 NwaCegarLoop]: 81 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, 81 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 [2024-11-13 15:05:56,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:05:56,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-13 15:05:56,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-13 15:05:56,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 36 states have (on average 1.7222222222222223) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 15:05:56,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2024-11-13 15:05:56,246 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 7 [2024-11-13 15:05:56,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:56,246 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2024-11-13 15:05:56,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:56,247 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2024-11-13 15:05:56,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 15:05:56,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:56,248 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:56,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:05:56,249 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:05:56,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:56,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1563026596, now seen corresponding path program 1 times [2024-11-13 15:05:56,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:56,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342519015] [2024-11-13 15:05:56,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:56,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:05:56,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311246491] [2024-11-13 15:05:56,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:56,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:05:56,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:05:56,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:05:56,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:05:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:56,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:05:56,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:05:56,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:05:56,507 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:05:56,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:56,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342519015] [2024-11-13 15:05:56,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:05:56,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311246491] [2024-11-13 15:05:56,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311246491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:56,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:56,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:05:56,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364967895] [2024-11-13 15:05:56,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:56,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:05:56,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:56,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:05:56,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:05:56,514 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:05:56,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:56,653 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2024-11-13 15:05:56,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:05:56,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-11-13 15:05:56,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:56,655 INFO L225 Difference]: With dead ends: 138 [2024-11-13 15:05:56,655 INFO L226 Difference]: Without dead ends: 89 [2024-11-13 15:05:56,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:05:56,657 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 16 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:56,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 97 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:05:56,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-13 15:05:56,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-13 15:05:56,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 52 states have (on average 1.6346153846153846) internal successors, (85), 75 states have internal predecessors, (85), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 15:05:56,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 105 transitions. [2024-11-13 15:05:56,676 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 105 transitions. Word has length 16 [2024-11-13 15:05:56,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:56,680 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 105 transitions. [2024-11-13 15:05:56,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:05:56,680 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 105 transitions. [2024-11-13 15:05:56,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 15:05:56,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:56,682 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:56,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:05:56,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-13 15:05:56,884 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:05:56,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:56,884 INFO L85 PathProgramCache]: Analyzing trace with hash -310249928, now seen corresponding path program 1 times [2024-11-13 15:05:56,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:56,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027597268] [2024-11-13 15:05:56,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:56,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:57,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:05:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:57,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:05:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:57,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:05:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:57,094 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:05:57,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:57,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027597268] [2024-11-13 15:05:57,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027597268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:57,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:57,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:05:57,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586653650] [2024-11-13 15:05:57,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:57,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:05:57,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:57,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:05:57,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:05:57,096 INFO L87 Difference]: Start difference. First operand 87 states and 105 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 15:05:57,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:57,193 INFO L93 Difference]: Finished difference Result 97 states and 112 transitions. [2024-11-13 15:05:57,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:05:57,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2024-11-13 15:05:57,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:57,196 INFO L225 Difference]: With dead ends: 97 [2024-11-13 15:05:57,196 INFO L226 Difference]: Without dead ends: 95 [2024-11-13 15:05:57,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:05:57,198 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 17 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:57,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 108 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:05:57,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-13 15:05:57,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2024-11-13 15:05:57,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 52 states have (on average 1.5961538461538463) internal successors, (83), 75 states have internal predecessors, (83), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 15:05:57,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 103 transitions. [2024-11-13 15:05:57,214 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 103 transitions. Word has length 24 [2024-11-13 15:05:57,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:57,214 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 103 transitions. [2024-11-13 15:05:57,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 15:05:57,217 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2024-11-13 15:05:57,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 15:05:57,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:57,218 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:57,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:05:57,218 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:05:57,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:57,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1027814523, now seen corresponding path program 1 times [2024-11-13 15:05:57,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:57,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580930270] [2024-11-13 15:05:57,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:57,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:05:57,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1225468873] [2024-11-13 15:05:57,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:57,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:05:57,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:05:57,267 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:05:57,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:05:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:57,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:05:57,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:05:57,390 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:05:57,390 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:05:57,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:57,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580930270] [2024-11-13 15:05:57,390 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:05:57,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225468873] [2024-11-13 15:05:57,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225468873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:57,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:57,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:05:57,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693954199] [2024-11-13 15:05:57,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:57,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:05:57,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:57,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:05:57,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:05:57,392 INFO L87 Difference]: Start difference. First operand 87 states and 103 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 15:05:57,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:57,542 INFO L93 Difference]: Finished difference Result 122 states and 147 transitions. [2024-11-13 15:05:57,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:05:57,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-11-13 15:05:57,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:57,544 INFO L225 Difference]: With dead ends: 122 [2024-11-13 15:05:57,544 INFO L226 Difference]: Without dead ends: 118 [2024-11-13 15:05:57,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:05:57,545 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 39 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:57,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 90 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:05:57,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-13 15:05:57,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 104. [2024-11-13 15:05:57,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 67 states have (on average 1.5820895522388059) internal successors, (106), 90 states have internal predecessors, (106), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 15:05:57,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 130 transitions. [2024-11-13 15:05:57,560 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 130 transitions. Word has length 25 [2024-11-13 15:05:57,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:57,560 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 130 transitions. [2024-11-13 15:05:57,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 15:05:57,561 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 130 transitions. [2024-11-13 15:05:57,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 15:05:57,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:57,561 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:57,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 15:05:57,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:05:57,762 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:05:57,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:57,763 INFO L85 PathProgramCache]: Analyzing trace with hash 112724071, now seen corresponding path program 1 times [2024-11-13 15:05:57,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:57,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897023354] [2024-11-13 15:05:57,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:57,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:58,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:05:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:58,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:05:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:58,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:05:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:58,068 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:05:58,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:58,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897023354] [2024-11-13 15:05:58,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897023354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:58,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:58,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:05:58,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221048421] [2024-11-13 15:05:58,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:58,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:05:58,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:58,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:05:58,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:05:58,074 INFO L87 Difference]: Start difference. First operand 104 states and 130 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:05:58,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:58,599 INFO L93 Difference]: Finished difference Result 120 states and 144 transitions. [2024-11-13 15:05:58,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:05:58,599 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2024-11-13 15:05:58,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:58,601 INFO L225 Difference]: With dead ends: 120 [2024-11-13 15:05:58,601 INFO L226 Difference]: Without dead ends: 119 [2024-11-13 15:05:58,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:05:58,602 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 214 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:58,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 99 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:05:58,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-13 15:05:58,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 108. [2024-11-13 15:05:58,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 71 states have (on average 1.5492957746478873) internal successors, (110), 94 states have internal predecessors, (110), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 15:05:58,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 134 transitions. [2024-11-13 15:05:58,631 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 134 transitions. Word has length 27 [2024-11-13 15:05:58,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:58,634 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 134 transitions. [2024-11-13 15:05:58,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:05:58,635 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 134 transitions. [2024-11-13 15:05:58,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 15:05:58,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:58,635 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:58,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:05:58,636 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:05:58,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:58,636 INFO L85 PathProgramCache]: Analyzing trace with hash -800521010, now seen corresponding path program 1 times [2024-11-13 15:05:58,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:58,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90569288] [2024-11-13 15:05:58,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:58,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:58,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:05:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:58,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:05:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:58,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:05:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:05:58,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:58,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90569288] [2024-11-13 15:05:58,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90569288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:58,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:58,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:05:58,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185000848] [2024-11-13 15:05:58,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:58,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:05:58,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:58,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:05:58,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:05:58,796 INFO L87 Difference]: Start difference. First operand 108 states and 134 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 15:05:59,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:59,205 INFO L93 Difference]: Finished difference Result 120 states and 147 transitions. [2024-11-13 15:05:59,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:05:59,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-11-13 15:05:59,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:59,207 INFO L225 Difference]: With dead ends: 120 [2024-11-13 15:05:59,207 INFO L226 Difference]: Without dead ends: 119 [2024-11-13 15:05:59,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:05:59,208 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 51 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:59,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 159 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:05:59,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-13 15:05:59,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 114. [2024-11-13 15:05:59,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 77 states have (on average 1.4935064935064934) internal successors, (115), 100 states have internal predecessors, (115), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 15:05:59,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 139 transitions. [2024-11-13 15:05:59,226 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 139 transitions. Word has length 28 [2024-11-13 15:05:59,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:59,226 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 139 transitions. [2024-11-13 15:05:59,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 15:05:59,227 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2024-11-13 15:05:59,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 15:05:59,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:59,227 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:59,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:05:59,228 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:05:59,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:59,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1572231337, now seen corresponding path program 1 times [2024-11-13 15:05:59,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:59,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853922944] [2024-11-13 15:05:59,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:59,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:05:59,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [369620729] [2024-11-13 15:05:59,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:59,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:05:59,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:05:59,247 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:05:59,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:05:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:59,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:05:59,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:05:59,455 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 15:05:59,455 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:05:59,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:59,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853922944] [2024-11-13 15:05:59,456 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:05:59,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369620729] [2024-11-13 15:05:59,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369620729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:59,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:59,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:05:59,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829280013] [2024-11-13 15:05:59,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:59,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:05:59,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:59,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:05:59,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:05:59,457 INFO L87 Difference]: Start difference. First operand 114 states and 139 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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) [2024-11-13 15:05:59,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:05:59,614 INFO L93 Difference]: Finished difference Result 125 states and 154 transitions. [2024-11-13 15:05:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:05:59,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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 39 [2024-11-13 15:05:59,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:05:59,620 INFO L225 Difference]: With dead ends: 125 [2024-11-13 15:05:59,620 INFO L226 Difference]: Without dead ends: 115 [2024-11-13 15:05:59,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:05:59,622 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 38 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:05:59,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 114 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:05:59,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-13 15:05:59,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-13 15:05:59,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 80 states have (on average 1.4125) internal successors, (113), 99 states have internal predecessors, (113), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 15:05:59,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 141 transitions. [2024-11-13 15:05:59,660 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 141 transitions. Word has length 39 [2024-11-13 15:05:59,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:05:59,660 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 141 transitions. [2024-11-13 15:05:59,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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) [2024-11-13 15:05:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 141 transitions. [2024-11-13 15:05:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 15:05:59,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:05:59,662 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:59,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 15:05:59,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-13 15:05:59,863 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:05:59,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:59,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1494531244, now seen corresponding path program 1 times [2024-11-13 15:05:59,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:59,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493794680] [2024-11-13 15:05:59,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:59,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:05:59,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1975536414] [2024-11-13 15:05:59,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:59,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:05:59,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:05:59,880 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:05:59,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 15:05:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:59,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:05:59,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:00,104 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 15:06:00,104 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:06:00,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:00,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493794680] [2024-11-13 15:06:00,711 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:06:00,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975536414] [2024-11-13 15:06:00,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975536414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:00,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:06:00,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-13 15:06:00,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107884817] [2024-11-13 15:06:00,712 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:06:00,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:06:00,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:00,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:06:00,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:06:00,714 INFO L87 Difference]: Start difference. First operand 115 states and 141 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-11-13 15:06:00,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:00,895 INFO L93 Difference]: Finished difference Result 191 states and 246 transitions. [2024-11-13 15:06:00,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:06:00,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 40 [2024-11-13 15:06:00,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:00,898 INFO L225 Difference]: With dead ends: 191 [2024-11-13 15:06:00,898 INFO L226 Difference]: Without dead ends: 187 [2024-11-13 15:06:00,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:06:00,899 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 43 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:00,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 125 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:06:00,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-13 15:06:00,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 175. [2024-11-13 15:06:00,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 131 states have (on average 1.4198473282442747) internal successors, (186), 150 states have internal predecessors, (186), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 15:06:00,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 232 transitions. [2024-11-13 15:06:00,925 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 232 transitions. Word has length 40 [2024-11-13 15:06:00,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:00,925 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 232 transitions. [2024-11-13 15:06:00,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-11-13 15:06:00,926 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2024-11-13 15:06:00,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 15:06:00,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:00,927 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:00,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 15:06:01,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:01,128 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:01,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:01,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1023429359, now seen corresponding path program 1 times [2024-11-13 15:06:01,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:01,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982735089] [2024-11-13 15:06:01,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:01,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:01,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:01,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:01,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:01,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:01,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:06:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:01,413 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 15:06:01,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:01,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982735089] [2024-11-13 15:06:01,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982735089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:01,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:06:01,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:06:01,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839648632] [2024-11-13 15:06:01,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:01,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:06:01,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:01,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:06:01,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:06:01,419 INFO L87 Difference]: Start difference. First operand 175 states and 232 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 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) [2024-11-13 15:06:01,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:01,882 INFO L93 Difference]: Finished difference Result 187 states and 244 transitions. [2024-11-13 15:06:01,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:06:01,883 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 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 44 [2024-11-13 15:06:01,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:01,884 INFO L225 Difference]: With dead ends: 187 [2024-11-13 15:06:01,884 INFO L226 Difference]: Without dead ends: 186 [2024-11-13 15:06:01,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:06:01,885 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 231 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:01,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 117 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:06:01,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-13 15:06:01,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 176. [2024-11-13 15:06:01,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 132 states have (on average 1.4166666666666667) internal successors, (187), 151 states have internal predecessors, (187), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 15:06:01,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 233 transitions. [2024-11-13 15:06:01,914 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 233 transitions. Word has length 44 [2024-11-13 15:06:01,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:01,914 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 233 transitions. [2024-11-13 15:06:01,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 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) [2024-11-13 15:06:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 233 transitions. [2024-11-13 15:06:01,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 15:06:01,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:01,918 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:01,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:06:01,919 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:01,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:01,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1661539186, now seen corresponding path program 1 times [2024-11-13 15:06:01,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:01,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577347248] [2024-11-13 15:06:01,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:01,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 15:06:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,063 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 15:06:02,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:02,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577347248] [2024-11-13 15:06:02,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577347248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:02,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:06:02,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:06:02,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181477623] [2024-11-13 15:06:02,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:02,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:06:02,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:02,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:06:02,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:06:02,067 INFO L87 Difference]: Start difference. First operand 176 states and 233 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-13 15:06:02,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:02,173 INFO L93 Difference]: Finished difference Result 181 states and 237 transitions. [2024-11-13 15:06:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:06:02,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-11-13 15:06:02,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:02,176 INFO L225 Difference]: With dead ends: 181 [2024-11-13 15:06:02,176 INFO L226 Difference]: Without dead ends: 166 [2024-11-13 15:06:02,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:06:02,178 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 4 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:02,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 112 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:06:02,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-13 15:06:02,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-13 15:06:02,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 124 states have (on average 1.435483870967742) internal successors, (178), 143 states have internal predecessors, (178), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-13 15:06:02,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 220 transitions. [2024-11-13 15:06:02,201 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 220 transitions. Word has length 45 [2024-11-13 15:06:02,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:02,201 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 220 transitions. [2024-11-13 15:06:02,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-13 15:06:02,201 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 220 transitions. [2024-11-13 15:06:02,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 15:06:02,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:02,202 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:02,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:06:02,203 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:02,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:02,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1984916163, now seen corresponding path program 1 times [2024-11-13 15:06:02,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:02,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12617733] [2024-11-13 15:06:02,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:02,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:06:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:06:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 15:06:02,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:02,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12617733] [2024-11-13 15:06:02,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12617733] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:02,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352716099] [2024-11-13 15:06:02,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:02,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:02,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:02,317 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:02,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 15:06:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:06:02,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:02,422 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 15:06:02,423 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:06:02,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352716099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:02,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:06:02,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-13 15:06:02,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778437525] [2024-11-13 15:06:02,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:02,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:06:02,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:02,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:06:02,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:06:02,424 INFO L87 Difference]: Start difference. First operand 166 states and 220 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 15:06:02,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:02,540 INFO L93 Difference]: Finished difference Result 250 states and 341 transitions. [2024-11-13 15:06:02,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:06:02,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2024-11-13 15:06:02,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:02,542 INFO L225 Difference]: With dead ends: 250 [2024-11-13 15:06:02,542 INFO L226 Difference]: Without dead ends: 248 [2024-11-13 15:06:02,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:06:02,543 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 58 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:02,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 115 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:06:02,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-13 15:06:02,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 227. [2024-11-13 15:06:02,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 178 states have (on average 1.4438202247191012) internal successors, (257), 196 states have internal predecessors, (257), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-13 15:06:02,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 315 transitions. [2024-11-13 15:06:02,567 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 315 transitions. Word has length 47 [2024-11-13 15:06:02,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:02,567 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 315 transitions. [2024-11-13 15:06:02,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 15:06:02,568 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 315 transitions. [2024-11-13 15:06:02,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 15:06:02,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:02,569 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:02,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 15:06:02,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:02,769 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:02,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:02,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1402858846, now seen corresponding path program 1 times [2024-11-13 15:06:02,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:02,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127666742] [2024-11-13 15:06:02,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:02,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:06:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:06:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,862 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 15:06:02,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:02,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127666742] [2024-11-13 15:06:02,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127666742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:02,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585426044] [2024-11-13 15:06:02,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:02,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:02,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:02,865 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:02,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 15:06:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:02,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:06:02,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:02,986 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 15:06:02,986 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:06:03,063 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 15:06:03,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585426044] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:06:03,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:06:03,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-13 15:06:03,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82003201] [2024-11-13 15:06:03,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:06:03,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:06:03,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:03,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:06:03,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:06:03,065 INFO L87 Difference]: Start difference. First operand 227 states and 315 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-13 15:06:03,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:03,285 INFO L93 Difference]: Finished difference Result 375 states and 514 transitions. [2024-11-13 15:06:03,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:06:03,285 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 48 [2024-11-13 15:06:03,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:03,288 INFO L225 Difference]: With dead ends: 375 [2024-11-13 15:06:03,288 INFO L226 Difference]: Without dead ends: 373 [2024-11-13 15:06:03,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:06:03,289 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 113 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:03,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 218 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:06:03,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-13 15:06:03,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 327. [2024-11-13 15:06:03,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 262 states have (on average 1.4427480916030535) internal successors, (378), 280 states have internal predecessors, (378), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 15:06:03,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 468 transitions. [2024-11-13 15:06:03,321 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 468 transitions. Word has length 48 [2024-11-13 15:06:03,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:03,322 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 468 transitions. [2024-11-13 15:06:03,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-13 15:06:03,322 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 468 transitions. [2024-11-13 15:06:03,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 15:06:03,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:03,323 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:03,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-13 15:06:03,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 15:06:03,524 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:03,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:03,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1716951379, now seen corresponding path program 1 times [2024-11-13 15:06:03,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:03,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056906931] [2024-11-13 15:06:03,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:03,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:06:03,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1020633319] [2024-11-13 15:06:03,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:03,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:03,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:03,539 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:03,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 15:06:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:03,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:06:03,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-13 15:06:03,717 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:06:03,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:03,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056906931] [2024-11-13 15:06:03,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:06:03,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020633319] [2024-11-13 15:06:03,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020633319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:03,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:06:03,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:06:03,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718531375] [2024-11-13 15:06:03,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:03,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:06:03,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:03,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:06:03,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:06:03,719 INFO L87 Difference]: Start difference. First operand 327 states and 468 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 15:06:03,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:03,900 INFO L93 Difference]: Finished difference Result 346 states and 493 transitions. [2024-11-13 15:06:03,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:06:03,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2024-11-13 15:06:03,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:03,905 INFO L225 Difference]: With dead ends: 346 [2024-11-13 15:06:03,905 INFO L226 Difference]: Without dead ends: 340 [2024-11-13 15:06:03,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:06:03,907 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 104 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:03,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 81 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:06:03,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-13 15:06:03,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 324. [2024-11-13 15:06:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 259 states have (on average 1.4131274131274132) internal successors, (366), 277 states have internal predecessors, (366), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 15:06:03,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 456 transitions. [2024-11-13 15:06:03,944 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 456 transitions. Word has length 51 [2024-11-13 15:06:03,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:03,944 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 456 transitions. [2024-11-13 15:06:03,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 15:06:03,945 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 456 transitions. [2024-11-13 15:06:03,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 15:06:03,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:03,945 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-13 15:06:03,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-13 15:06:04,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-13 15:06:04,151 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:04,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:04,151 INFO L85 PathProgramCache]: Analyzing trace with hash -310988367, now seen corresponding path program 2 times [2024-11-13 15:06:04,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:04,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253644857] [2024-11-13 15:06:04,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:04,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:06:04,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1092635467] [2024-11-13 15:06:04,165 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:06:04,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:04,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:04,168 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:04,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 15:06:04,236 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:06:04,236 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:06:04,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:06:04,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:04,397 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 15:06:04,397 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:06:04,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:04,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253644857] [2024-11-13 15:06:04,702 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:06:04,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092635467] [2024-11-13 15:06:04,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092635467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:04,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:06:04,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-13 15:06:04,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726328557] [2024-11-13 15:06:04,703 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:06:04,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:06:04,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:04,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:06:04,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:06:04,704 INFO L87 Difference]: Start difference. First operand 324 states and 456 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-13 15:06:04,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:04,979 INFO L93 Difference]: Finished difference Result 419 states and 587 transitions. [2024-11-13 15:06:04,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:06:04,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 63 [2024-11-13 15:06:04,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:04,982 INFO L225 Difference]: With dead ends: 419 [2024-11-13 15:06:04,982 INFO L226 Difference]: Without dead ends: 415 [2024-11-13 15:06:04,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:06:04,983 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 66 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:04,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 143 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:06:04,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-13 15:06:05,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 324. [2024-11-13 15:06:05,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 259 states have (on average 1.4054054054054055) internal successors, (364), 277 states have internal predecessors, (364), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 15:06:05,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 454 transitions. [2024-11-13 15:06:05,019 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 454 transitions. Word has length 63 [2024-11-13 15:06:05,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:05,020 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 454 transitions. [2024-11-13 15:06:05,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-13 15:06:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 454 transitions. [2024-11-13 15:06:05,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 15:06:05,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:05,022 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:05,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-13 15:06:05,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 15:06:05,227 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:05,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:05,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1990172657, now seen corresponding path program 1 times [2024-11-13 15:06:05,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:05,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915288669] [2024-11-13 15:06:05,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:05,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:06:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:06:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:06:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:06:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,360 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-13 15:06:05,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:05,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915288669] [2024-11-13 15:06:05,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915288669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:05,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:06:05,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:06:05,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777223781] [2024-11-13 15:06:05,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:05,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:06:05,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:05,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:06:05,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:06:05,362 INFO L87 Difference]: Start difference. First operand 324 states and 454 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:06:05,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:05,479 INFO L93 Difference]: Finished difference Result 324 states and 454 transitions. [2024-11-13 15:06:05,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:06:05,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 70 [2024-11-13 15:06:05,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:05,481 INFO L225 Difference]: With dead ends: 324 [2024-11-13 15:06:05,481 INFO L226 Difference]: Without dead ends: 323 [2024-11-13 15:06:05,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:06:05,482 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 2 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:05,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 99 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:06:05,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-13 15:06:05,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2024-11-13 15:06:05,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 259 states have (on average 1.3822393822393821) internal successors, (358), 276 states have internal predecessors, (358), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 15:06:05,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 448 transitions. [2024-11-13 15:06:05,512 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 448 transitions. Word has length 70 [2024-11-13 15:06:05,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:05,513 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 448 transitions. [2024-11-13 15:06:05,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:06:05,513 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 448 transitions. [2024-11-13 15:06:05,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 15:06:05,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:05,514 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:05,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 15:06:05,514 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:05,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:05,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1565810334, now seen corresponding path program 1 times [2024-11-13 15:06:05,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:05,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833673059] [2024-11-13 15:06:05,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:05,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:06:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:06:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:06:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:06:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,726 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 15:06:05,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:05,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833673059] [2024-11-13 15:06:05,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833673059] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:05,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523192320] [2024-11-13 15:06:05,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:05,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:05,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:05,728 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:05,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 15:06:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:05,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 15:06:05,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:05,990 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 15:06:05,990 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:06:05,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523192320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:05,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:06:05,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-13 15:06:05,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6635261] [2024-11-13 15:06:05,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:05,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:06:05,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:05,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:06:05,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:06:05,992 INFO L87 Difference]: Start difference. First operand 323 states and 448 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 15:06:06,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:06,165 INFO L93 Difference]: Finished difference Result 341 states and 463 transitions. [2024-11-13 15:06:06,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:06:06,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2024-11-13 15:06:06,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:06,168 INFO L225 Difference]: With dead ends: 341 [2024-11-13 15:06:06,168 INFO L226 Difference]: Without dead ends: 340 [2024-11-13 15:06:06,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:06:06,169 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 127 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:06,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 115 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:06:06,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-13 15:06:06,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 323. [2024-11-13 15:06:06,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 259 states have (on average 1.3706563706563706) internal successors, (355), 276 states have internal predecessors, (355), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 15:06:06,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 445 transitions. [2024-11-13 15:06:06,210 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 445 transitions. Word has length 71 [2024-11-13 15:06:06,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:06,210 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 445 transitions. [2024-11-13 15:06:06,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 15:06:06,210 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 445 transitions. [2024-11-13 15:06:06,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 15:06:06,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:06,211 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:06,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-13 15:06:06,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:06,412 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:06,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:06,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1295480211, now seen corresponding path program 1 times [2024-11-13 15:06:06,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:06,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82641641] [2024-11-13 15:06:06,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:06,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:06,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:06,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:06,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:06,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:06,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:06:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:06,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:06:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:06,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:06:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:06,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:06:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 15:06:06,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:06,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82641641] [2024-11-13 15:06:06,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82641641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:06,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692367139] [2024-11-13 15:06:06,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:06,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:06,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:06,597 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:06,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 15:06:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:06,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:06:06,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:06,891 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-13 15:06:06,891 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:06:06,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692367139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:06,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:06:06,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-13 15:06:06,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076180327] [2024-11-13 15:06:06,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:06,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:06:06,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:06,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:06:06,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:06:06,892 INFO L87 Difference]: Start difference. First operand 323 states and 445 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:06:07,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:07,129 INFO L93 Difference]: Finished difference Result 342 states and 466 transitions. [2024-11-13 15:06:07,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:06:07,129 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 72 [2024-11-13 15:06:07,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:07,132 INFO L225 Difference]: With dead ends: 342 [2024-11-13 15:06:07,132 INFO L226 Difference]: Without dead ends: 341 [2024-11-13 15:06:07,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:06:07,134 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 52 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:07,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 96 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:06:07,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-13 15:06:07,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 332. [2024-11-13 15:06:07,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 268 states have (on average 1.3582089552238805) internal successors, (364), 285 states have internal predecessors, (364), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 15:06:07,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 454 transitions. [2024-11-13 15:06:07,180 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 454 transitions. Word has length 72 [2024-11-13 15:06:07,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:07,181 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 454 transitions. [2024-11-13 15:06:07,181 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:06:07,181 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 454 transitions. [2024-11-13 15:06:07,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:06:07,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:07,183 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:07,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 15:06:07,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:07,383 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:07,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:07,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1505180992, now seen corresponding path program 1 times [2024-11-13 15:06:07,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:07,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67872823] [2024-11-13 15:06:07,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:07,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:07,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:07,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:07,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:07,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:07,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:06:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:07,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:06:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:07,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:06:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:07,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:06:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 15:06:07,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:07,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67872823] [2024-11-13 15:06:07,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67872823] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:07,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46699104] [2024-11-13 15:06:07,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:07,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:07,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:07,610 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:07,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 15:06:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:07,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:06:07,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-13 15:06:07,845 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:06:07,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46699104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:07,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:06:07,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-13 15:06:07,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467331494] [2024-11-13 15:06:07,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:07,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:06:07,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:07,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:06:07,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:06:07,846 INFO L87 Difference]: Start difference. First operand 332 states and 454 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:06:08,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:08,032 INFO L93 Difference]: Finished difference Result 341 states and 460 transitions. [2024-11-13 15:06:08,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:06:08,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 73 [2024-11-13 15:06:08,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:08,034 INFO L225 Difference]: With dead ends: 341 [2024-11-13 15:06:08,034 INFO L226 Difference]: Without dead ends: 339 [2024-11-13 15:06:08,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:06:08,035 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 32 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:08,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 80 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:06:08,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-13 15:06:08,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 335. [2024-11-13 15:06:08,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 271 states have (on average 1.3284132841328413) internal successors, (360), 288 states have internal predecessors, (360), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 15:06:08,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 450 transitions. [2024-11-13 15:06:08,077 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 450 transitions. Word has length 73 [2024-11-13 15:06:08,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:08,077 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 450 transitions. [2024-11-13 15:06:08,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:06:08,077 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 450 transitions. [2024-11-13 15:06:08,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 15:06:08,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:08,078 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:08,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 15:06:08,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:08,279 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:08,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:08,279 INFO L85 PathProgramCache]: Analyzing trace with hash -925042974, now seen corresponding path program 1 times [2024-11-13 15:06:08,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:08,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300460187] [2024-11-13 15:06:08,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:08,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:06:08,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [236452448] [2024-11-13 15:06:08,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:08,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:08,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:08,301 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:08,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 15:06:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:08,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 15:06:08,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:08,729 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-13 15:06:08,729 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:06:09,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:09,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300460187] [2024-11-13 15:06:09,648 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:06:09,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236452448] [2024-11-13 15:06:09,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236452448] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:09,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:06:09,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-13 15:06:09,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327260189] [2024-11-13 15:06:09,648 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:06:09,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:06:09,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:09,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:06:09,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:06:09,650 INFO L87 Difference]: Start difference. First operand 335 states and 450 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:06:09,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:09,864 INFO L93 Difference]: Finished difference Result 419 states and 576 transitions. [2024-11-13 15:06:09,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:06:09,865 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 75 [2024-11-13 15:06:09,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:09,867 INFO L225 Difference]: With dead ends: 419 [2024-11-13 15:06:09,868 INFO L226 Difference]: Without dead ends: 418 [2024-11-13 15:06:09,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:06:09,869 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 79 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:09,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 89 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:06:09,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-13 15:06:09,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 395. [2024-11-13 15:06:09,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 325 states have (on average 1.3446153846153845) internal successors, (437), 342 states have internal predecessors, (437), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-13 15:06:09,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 539 transitions. [2024-11-13 15:06:09,912 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 539 transitions. Word has length 75 [2024-11-13 15:06:09,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:09,913 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 539 transitions. [2024-11-13 15:06:09,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:06:09,913 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 539 transitions. [2024-11-13 15:06:09,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 15:06:09,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:09,914 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:09,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-13 15:06:10,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:10,114 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:10,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:10,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1388438959, now seen corresponding path program 1 times [2024-11-13 15:06:10,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:10,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206683506] [2024-11-13 15:06:10,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:10,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:06:10,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2027911155] [2024-11-13 15:06:10,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:10,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:10,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:10,137 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:10,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 15:06:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:10,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 15:06:10,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:10,431 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-13 15:06:10,431 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:06:11,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:11,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206683506] [2024-11-13 15:06:11,465 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:06:11,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027911155] [2024-11-13 15:06:11,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027911155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:11,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:06:11,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-13 15:06:11,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332186904] [2024-11-13 15:06:11,465 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:06:11,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:06:11,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:11,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:06:11,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:06:11,466 INFO L87 Difference]: Start difference. First operand 395 states and 539 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:06:11,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:11,654 INFO L93 Difference]: Finished difference Result 399 states and 539 transitions. [2024-11-13 15:06:11,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:06:11,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 76 [2024-11-13 15:06:11,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:11,657 INFO L225 Difference]: With dead ends: 399 [2024-11-13 15:06:11,658 INFO L226 Difference]: Without dead ends: 396 [2024-11-13 15:06:11,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:06:11,659 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 48 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:11,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 92 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:06:11,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-13 15:06:11,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 393. [2024-11-13 15:06:11,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 325 states have (on average 1.2738461538461539) internal successors, (414), 340 states have internal predecessors, (414), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-13 15:06:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 516 transitions. [2024-11-13 15:06:11,701 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 516 transitions. Word has length 76 [2024-11-13 15:06:11,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:11,702 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 516 transitions. [2024-11-13 15:06:11,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:06:11,702 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 516 transitions. [2024-11-13 15:06:11,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 15:06:11,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:11,703 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:11,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 15:06:11,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:11,908 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:11,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:11,908 INFO L85 PathProgramCache]: Analyzing trace with hash 91934852, now seen corresponding path program 1 times [2024-11-13 15:06:11,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:11,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682537607] [2024-11-13 15:06:11,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:11,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:11,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:11,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:11,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:11,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:11,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:06:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:11,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:06:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:11,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:06:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:11,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:06:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:12,002 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-13 15:06:12,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:12,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682537607] [2024-11-13 15:06:12,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682537607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:12,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:06:12,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:06:12,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708318892] [2024-11-13 15:06:12,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:12,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:06:12,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:12,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:06:12,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:06:12,004 INFO L87 Difference]: Start difference. First operand 393 states and 516 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:06:12,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:12,526 INFO L93 Difference]: Finished difference Result 395 states and 516 transitions. [2024-11-13 15:06:12,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:06:12,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 77 [2024-11-13 15:06:12,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:12,529 INFO L225 Difference]: With dead ends: 395 [2024-11-13 15:06:12,529 INFO L226 Difference]: Without dead ends: 394 [2024-11-13 15:06:12,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:06:12,530 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 49 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:12,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 151 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:06:12,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-13 15:06:12,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 392. [2024-11-13 15:06:12,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 325 states have (on average 1.2461538461538462) internal successors, (405), 339 states have internal predecessors, (405), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-13 15:06:12,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 507 transitions. [2024-11-13 15:06:12,576 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 507 transitions. Word has length 77 [2024-11-13 15:06:12,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:12,577 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 507 transitions. [2024-11-13 15:06:12,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:06:12,577 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 507 transitions. [2024-11-13 15:06:12,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 15:06:12,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:12,578 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:12,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 15:06:12,578 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:12,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:12,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1444986799, now seen corresponding path program 1 times [2024-11-13 15:06:12,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:12,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148150013] [2024-11-13 15:06:12,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:12,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:12,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:12,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:12,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:12,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:12,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:06:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:12,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:06:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:12,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:06:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:12,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:06:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:12,789 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 15:06:12,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:12,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148150013] [2024-11-13 15:06:12,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148150013] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:12,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112362825] [2024-11-13 15:06:12,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:12,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:12,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:12,792 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:12,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 15:06:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:12,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 15:06:12,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:13,347 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 15:06:13,347 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:06:18,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112362825] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:18,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:06:18,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-13 15:06:18,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314260075] [2024-11-13 15:06:18,239 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:06:18,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 15:06:18,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:18,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 15:06:18,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=314, Unknown=1, NotChecked=0, Total=380 [2024-11-13 15:06:18,241 INFO L87 Difference]: Start difference. First operand 392 states and 507 transitions. Second operand has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-13 15:06:20,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:20,307 INFO L93 Difference]: Finished difference Result 686 states and 911 transitions. [2024-11-13 15:06:20,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 15:06:20,308 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 78 [2024-11-13 15:06:20,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:20,311 INFO L225 Difference]: With dead ends: 686 [2024-11-13 15:06:20,312 INFO L226 Difference]: Without dead ends: 681 [2024-11-13 15:06:20,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=307, Invalid=1098, Unknown=1, NotChecked=0, Total=1406 [2024-11-13 15:06:20,314 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 426 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:20,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 361 Invalid, 912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 832 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 15:06:20,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-13 15:06:20,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 528. [2024-11-13 15:06:20,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 445 states have (on average 1.2382022471910112) internal successors, (551), 459 states have internal predecessors, (551), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-13 15:06:20,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 685 transitions. [2024-11-13 15:06:20,372 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 685 transitions. Word has length 78 [2024-11-13 15:06:20,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:20,373 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 685 transitions. [2024-11-13 15:06:20,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-13 15:06:20,373 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 685 transitions. [2024-11-13 15:06:20,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-13 15:06:20,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:20,374 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:20,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-13 15:06:20,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:20,579 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:20,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:20,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1034222384, now seen corresponding path program 1 times [2024-11-13 15:06:20,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:20,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055640891] [2024-11-13 15:06:20,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:20,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:06:20,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [835593193] [2024-11-13 15:06:20,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:20,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:20,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:20,605 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:20,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 15:06:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:20,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 15:06:20,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:21,054 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-13 15:06:21,055 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:06:21,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:21,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055640891] [2024-11-13 15:06:21,624 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:06:21,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835593193] [2024-11-13 15:06:21,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835593193] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:21,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:06:21,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-13 15:06:21,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352300341] [2024-11-13 15:06:21,624 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:06:21,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 15:06:21,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:21,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 15:06:21,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:06:21,627 INFO L87 Difference]: Start difference. First operand 528 states and 685 transitions. Second operand has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-13 15:06:22,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:22,231 INFO L93 Difference]: Finished difference Result 548 states and 697 transitions. [2024-11-13 15:06:22,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:06:22,231 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 92 [2024-11-13 15:06:22,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:22,235 INFO L225 Difference]: With dead ends: 548 [2024-11-13 15:06:22,235 INFO L226 Difference]: Without dead ends: 426 [2024-11-13 15:06:22,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-13 15:06:22,237 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 17 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:22,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 230 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:06:22,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-13 15:06:22,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 424. [2024-11-13 15:06:22,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 353 states have (on average 1.226628895184136) internal successors, (433), 367 states have internal predecessors, (433), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-13 15:06:22,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 543 transitions. [2024-11-13 15:06:22,283 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 543 transitions. Word has length 92 [2024-11-13 15:06:22,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:22,284 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 543 transitions. [2024-11-13 15:06:22,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-13 15:06:22,284 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 543 transitions. [2024-11-13 15:06:22,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 15:06:22,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:22,287 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:22,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-13 15:06:22,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:22,491 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:22,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:22,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1750261646, now seen corresponding path program 1 times [2024-11-13 15:06:22,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:22,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273023306] [2024-11-13 15:06:22,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:22,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:22,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:22,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:22,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:22,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:22,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:06:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:22,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:06:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:22,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:06:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:22,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 15:06:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:22,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 15:06:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:22,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:06:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-13 15:06:22,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:22,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273023306] [2024-11-13 15:06:22,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273023306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:22,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:06:22,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:06:22,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118361262] [2024-11-13 15:06:22,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:22,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:06:22,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:22,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:06:22,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:06:22,591 INFO L87 Difference]: Start difference. First operand 424 states and 543 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:06:23,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:23,112 INFO L93 Difference]: Finished difference Result 426 states and 543 transitions. [2024-11-13 15:06:23,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:06:23,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 94 [2024-11-13 15:06:23,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:23,114 INFO L225 Difference]: With dead ends: 426 [2024-11-13 15:06:23,114 INFO L226 Difference]: Without dead ends: 393 [2024-11-13 15:06:23,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:06:23,115 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 22 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:23,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 187 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:06:23,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-13 15:06:23,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 391. [2024-11-13 15:06:23,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 325 states have (on average 1.24) internal successors, (403), 338 states have internal predecessors, (403), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-13 15:06:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 505 transitions. [2024-11-13 15:06:23,155 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 505 transitions. Word has length 94 [2024-11-13 15:06:23,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:23,156 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 505 transitions. [2024-11-13 15:06:23,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:06:23,156 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 505 transitions. [2024-11-13 15:06:23,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 15:06:23,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:23,157 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2024-11-13 15:06:23,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 15:06:23,158 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:23,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:23,158 INFO L85 PathProgramCache]: Analyzing trace with hash 115518628, now seen corresponding path program 1 times [2024-11-13 15:06:23,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:23,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286345388] [2024-11-13 15:06:23,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:23,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:23,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:23,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:23,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:23,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:23,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:06:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:23,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:06:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:23,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:06:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:23,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:06:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:23,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:06:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:23,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:06:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:23,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:06:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:23,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:06:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:23,276 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-13 15:06:23,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:23,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286345388] [2024-11-13 15:06:23,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286345388] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:23,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454542839] [2024-11-13 15:06:23,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:23,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:23,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:23,281 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:23,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 15:06:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:23,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:06:23,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:23,424 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-13 15:06:23,425 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:06:23,568 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-13 15:06:23,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454542839] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:06:23,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:06:23,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-13 15:06:23,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095973264] [2024-11-13 15:06:23,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:06:23,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 15:06:23,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:23,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 15:06:23,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:06:23,570 INFO L87 Difference]: Start difference. First operand 391 states and 505 transitions. Second operand has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-13 15:06:23,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:23,951 INFO L93 Difference]: Finished difference Result 797 states and 1028 transitions. [2024-11-13 15:06:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 15:06:23,952 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 96 [2024-11-13 15:06:23,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:23,958 INFO L225 Difference]: With dead ends: 797 [2024-11-13 15:06:23,958 INFO L226 Difference]: Without dead ends: 795 [2024-11-13 15:06:23,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:06:23,959 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 238 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:23,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 339 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:06:23,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-11-13 15:06:24,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 541. [2024-11-13 15:06:24,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 451 states have (on average 1.2439024390243902) internal successors, (561), 464 states have internal predecessors, (561), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-13 15:06:24,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 711 transitions. [2024-11-13 15:06:24,024 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 711 transitions. Word has length 96 [2024-11-13 15:06:24,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:24,025 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 711 transitions. [2024-11-13 15:06:24,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-13 15:06:24,025 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 711 transitions. [2024-11-13 15:06:24,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 15:06:24,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:24,026 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:24,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-13 15:06:24,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-13 15:06:24,227 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:24,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:24,227 INFO L85 PathProgramCache]: Analyzing trace with hash -953792106, now seen corresponding path program 2 times [2024-11-13 15:06:24,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:24,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609670113] [2024-11-13 15:06:24,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:24,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:06:24,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1273725421] [2024-11-13 15:06:24,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:06:24,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:24,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:24,249 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:24,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 15:06:24,319 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:06:24,319 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:06:24,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 15:06:24,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:24,931 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 15:06:24,931 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:06:26,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:26,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609670113] [2024-11-13 15:06:26,517 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:06:26,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273725421] [2024-11-13 15:06:26,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273725421] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:26,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:06:26,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-13 15:06:26,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984777417] [2024-11-13 15:06:26,518 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:06:26,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:06:26,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:26,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:06:26,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-13 15:06:26,520 INFO L87 Difference]: Start difference. First operand 541 states and 711 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-13 15:06:27,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:27,160 INFO L93 Difference]: Finished difference Result 565 states and 741 transitions. [2024-11-13 15:06:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:06:27,161 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 101 [2024-11-13 15:06:27,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:27,163 INFO L225 Difference]: With dead ends: 565 [2024-11-13 15:06:27,163 INFO L226 Difference]: Without dead ends: 564 [2024-11-13 15:06:27,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:06:27,165 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 29 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:27,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 272 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:06:27,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-11-13 15:06:27,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 541. [2024-11-13 15:06:27,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 451 states have (on average 1.2416851441241685) internal successors, (560), 464 states have internal predecessors, (560), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-13 15:06:27,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 710 transitions. [2024-11-13 15:06:27,224 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 710 transitions. Word has length 101 [2024-11-13 15:06:27,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:27,224 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 710 transitions. [2024-11-13 15:06:27,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-13 15:06:27,225 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 710 transitions. [2024-11-13 15:06:27,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 15:06:27,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:27,228 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:27,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-13 15:06:27,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:27,432 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:27,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:27,432 INFO L85 PathProgramCache]: Analyzing trace with hash -2042498731, now seen corresponding path program 2 times [2024-11-13 15:06:27,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:27,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993858142] [2024-11-13 15:06:27,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:27,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:27,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:27,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:27,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:27,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:27,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:06:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:27,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:06:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:27,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:06:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:27,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:06:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:27,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:06:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:27,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:06:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:27,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:06:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:27,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 15:06:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:27,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:06:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:27,616 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 15:06:27,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:27,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993858142] [2024-11-13 15:06:27,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993858142] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:27,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417770670] [2024-11-13 15:06:27,617 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:06:27,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:27,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:27,619 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:27,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-13 15:06:27,691 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:06:27,692 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:06:27,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:06:27,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:27,809 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 15:06:27,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:06:27,985 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 15:06:27,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417770670] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:06:27,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:06:27,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-13 15:06:27,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964763871] [2024-11-13 15:06:27,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:06:27,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:06:27,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:27,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:06:27,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:06:27,989 INFO L87 Difference]: Start difference. First operand 541 states and 710 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-13 15:06:28,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:28,142 INFO L93 Difference]: Finished difference Result 550 states and 716 transitions. [2024-11-13 15:06:28,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:06:28,142 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 115 [2024-11-13 15:06:28,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:28,145 INFO L225 Difference]: With dead ends: 550 [2024-11-13 15:06:28,145 INFO L226 Difference]: Without dead ends: 543 [2024-11-13 15:06:28,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 252 SyntacticMatches, 5 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:06:28,146 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 32 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:28,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 171 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:06:28,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-13 15:06:28,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 541. [2024-11-13 15:06:28,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 451 states have (on average 1.2328159645232817) internal successors, (556), 464 states have internal predecessors, (556), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-13 15:06:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 706 transitions. [2024-11-13 15:06:28,203 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 706 transitions. Word has length 115 [2024-11-13 15:06:28,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:28,203 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 706 transitions. [2024-11-13 15:06:28,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-13 15:06:28,204 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 706 transitions. [2024-11-13 15:06:28,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-13 15:06:28,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:28,205 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-13 15:06:28,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-13 15:06:28,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:28,411 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:28,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:28,412 INFO L85 PathProgramCache]: Analyzing trace with hash 247708743, now seen corresponding path program 2 times [2024-11-13 15:06:28,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:28,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029683141] [2024-11-13 15:06:28,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:28,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:28,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:28,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:28,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:28,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:28,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:06:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:28,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:06:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:28,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:06:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:28,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:06:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:28,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:06:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:28,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:06:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:28,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:06:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:28,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:06:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:28,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:06:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:28,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:06:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:28,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:06:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:28,571 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-13 15:06:28,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:28,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029683141] [2024-11-13 15:06:28,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029683141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:28,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653296077] [2024-11-13 15:06:28,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:06:28,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:28,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:28,574 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:28,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-13 15:06:28,631 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 15:06:28,631 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:06:28,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 15:06:28,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:28,788 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-11-13 15:06:28,788 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:06:28,962 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-11-13 15:06:28,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653296077] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:06:28,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:06:28,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2024-11-13 15:06:28,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579952633] [2024-11-13 15:06:28,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:06:28,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 15:06:28,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:28,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 15:06:28,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:06:28,964 INFO L87 Difference]: Start difference. First operand 541 states and 706 transitions. Second operand has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-13 15:06:29,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:29,543 INFO L93 Difference]: Finished difference Result 942 states and 1281 transitions. [2024-11-13 15:06:29,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 15:06:29,543 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) Word has length 117 [2024-11-13 15:06:29,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:29,547 INFO L225 Difference]: With dead ends: 942 [2024-11-13 15:06:29,547 INFO L226 Difference]: Without dead ends: 940 [2024-11-13 15:06:29,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=223, Invalid=479, Unknown=0, NotChecked=0, Total=702 [2024-11-13 15:06:29,548 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 930 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 930 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:29,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [930 Valid, 327 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:06:29,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-11-13 15:06:29,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 435. [2024-11-13 15:06:29,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 359 states have (on average 1.1977715877437325) internal successors, (430), 370 states have internal predecessors, (430), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-13 15:06:29,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 556 transitions. [2024-11-13 15:06:29,615 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 556 transitions. Word has length 117 [2024-11-13 15:06:29,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:29,615 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 556 transitions. [2024-11-13 15:06:29,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-13 15:06:29,616 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 556 transitions. [2024-11-13 15:06:29,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-13 15:06:29,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:29,617 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:29,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-13 15:06:29,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-13 15:06:29,818 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:29,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:29,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1254432293, now seen corresponding path program 1 times [2024-11-13 15:06:29,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:29,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503887818] [2024-11-13 15:06:29,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:29,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:30,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:30,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:30,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:30,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:30,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:06:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:30,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:06:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:30,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:06:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:30,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:06:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:30,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:06:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:30,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:06:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:30,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:06:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:30,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:06:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:30,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:06:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:30,093 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 15:06:30,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:30,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503887818] [2024-11-13 15:06:30,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503887818] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:30,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679498679] [2024-11-13 15:06:30,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:30,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:30,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:30,095 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:30,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-13 15:06:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:30,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 15:06:30,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:30,599 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 15:06:30,599 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:06:31,097 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 15:06:31,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679498679] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:06:31,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:06:31,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-13 15:06:31,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737902130] [2024-11-13 15:06:31,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:06:31,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-13 15:06:31,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:31,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-13 15:06:31,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-11-13 15:06:31,099 INFO L87 Difference]: Start difference. First operand 435 states and 556 transitions. Second operand has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-13 15:06:31,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:31,992 INFO L93 Difference]: Finished difference Result 578 states and 741 transitions. [2024-11-13 15:06:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 15:06:31,992 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 117 [2024-11-13 15:06:31,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:31,994 INFO L225 Difference]: With dead ends: 578 [2024-11-13 15:06:31,994 INFO L226 Difference]: Without dead ends: 487 [2024-11-13 15:06:31,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=430, Invalid=1210, Unknown=0, NotChecked=0, Total=1640 [2024-11-13 15:06:31,996 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 441 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:31,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 633 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:06:31,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-13 15:06:32,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 424. [2024-11-13 15:06:32,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 346 states have (on average 1.2254335260115607) internal successors, (424), 357 states have internal predecessors, (424), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-13 15:06:32,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 554 transitions. [2024-11-13 15:06:32,064 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 554 transitions. Word has length 117 [2024-11-13 15:06:32,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:32,064 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 554 transitions. [2024-11-13 15:06:32,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-13 15:06:32,065 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 554 transitions. [2024-11-13 15:06:32,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-13 15:06:32,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:32,067 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:32,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-13 15:06:32,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-13 15:06:32,269 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:32,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:32,273 INFO L85 PathProgramCache]: Analyzing trace with hash -116024016, now seen corresponding path program 1 times [2024-11-13 15:06:32,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:32,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363658440] [2024-11-13 15:06:32,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:32,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:32,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:32,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:32,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:32,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:32,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:06:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:32,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:06:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:32,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:06:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:32,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:06:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:32,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:06:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:32,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:06:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:32,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:06:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:32,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 15:06:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:32,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:06:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:32,641 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-11-13 15:06:32,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:32,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363658440] [2024-11-13 15:06:32,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363658440] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:32,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291409949] [2024-11-13 15:06:32,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:32,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:32,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:32,644 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:32,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-13 15:06:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:32,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 15:06:32,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 15:06:32,999 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:06:36,530 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 15:06:36,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291409949] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:06:36,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:06:36,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2024-11-13 15:06:36,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284765613] [2024-11-13 15:06:36,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:06:36,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 15:06:36,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:36,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 15:06:36,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2024-11-13 15:06:36,532 INFO L87 Difference]: Start difference. First operand 424 states and 554 transitions. Second operand has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-13 15:06:36,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:36,927 INFO L93 Difference]: Finished difference Result 559 states and 743 transitions. [2024-11-13 15:06:36,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:06:36,927 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 122 [2024-11-13 15:06:36,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:36,929 INFO L225 Difference]: With dead ends: 559 [2024-11-13 15:06:36,929 INFO L226 Difference]: Without dead ends: 558 [2024-11-13 15:06:36,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2024-11-13 15:06:36,930 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 169 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:36,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 322 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:06:36,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-13 15:06:36,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 423. [2024-11-13 15:06:36,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 346 states have (on average 1.216763005780347) internal successors, (421), 356 states have internal predecessors, (421), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-13 15:06:36,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 551 transitions. [2024-11-13 15:06:36,987 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 551 transitions. Word has length 122 [2024-11-13 15:06:36,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:36,987 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 551 transitions. [2024-11-13 15:06:36,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-13 15:06:36,987 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 551 transitions. [2024-11-13 15:06:36,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-13 15:06:36,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:36,989 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:37,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-13 15:06:37,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:37,190 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:37,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:37,190 INFO L85 PathProgramCache]: Analyzing trace with hash 698222915, now seen corresponding path program 1 times [2024-11-13 15:06:37,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:37,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327754857] [2024-11-13 15:06:37,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:37,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:37,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:37,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:37,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:37,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:37,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:06:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:37,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:06:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:37,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:06:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:37,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:06:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:37,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:06:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:37,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:06:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:37,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:06:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:37,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 15:06:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:37,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:06:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:37,500 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 15:06:37,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:37,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327754857] [2024-11-13 15:06:37,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327754857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:37,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990261932] [2024-11-13 15:06:37,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:37,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:37,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:37,503 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:37,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-13 15:06:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:37,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 15:06:37,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:37,931 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 15:06:37,931 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:06:39,524 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 15:06:39,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990261932] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:06:39,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:06:39,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-13 15:06:39,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184657381] [2024-11-13 15:06:39,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:06:39,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-13 15:06:39,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:39,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-13 15:06:39,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2024-11-13 15:06:39,526 INFO L87 Difference]: Start difference. First operand 423 states and 551 transitions. Second operand has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-13 15:06:40,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:40,975 INFO L93 Difference]: Finished difference Result 685 states and 874 transitions. [2024-11-13 15:06:40,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 15:06:40,975 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 123 [2024-11-13 15:06:40,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:40,978 INFO L225 Difference]: With dead ends: 685 [2024-11-13 15:06:40,978 INFO L226 Difference]: Without dead ends: 684 [2024-11-13 15:06:40,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2024-11-13 15:06:40,979 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 368 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:40,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 460 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:06:40,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-11-13 15:06:41,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 566. [2024-11-13 15:06:41,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 473 states have (on average 1.2135306553911205) internal successors, (574), 483 states have internal predecessors, (574), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-13 15:06:41,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 736 transitions. [2024-11-13 15:06:41,074 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 736 transitions. Word has length 123 [2024-11-13 15:06:41,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:41,075 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 736 transitions. [2024-11-13 15:06:41,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-13 15:06:41,075 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 736 transitions. [2024-11-13 15:06:41,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-13 15:06:41,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:41,076 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:41,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-13 15:06:41,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:41,281 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:41,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:41,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1536122191, now seen corresponding path program 3 times [2024-11-13 15:06:41,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:41,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296415353] [2024-11-13 15:06:41,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:41,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:06:41,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1839307972] [2024-11-13 15:06:41,303 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 15:06:41,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:41,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:41,306 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:41,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-13 15:06:41,370 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-13 15:06:41,371 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:06:41,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 15:06:41,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:41,914 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 39 proven. 5 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-11-13 15:06:41,914 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:06:54,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:54,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296415353] [2024-11-13 15:06:54,276 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:06:54,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839307972] [2024-11-13 15:06:54,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839307972] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:54,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:06:54,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-13 15:06:54,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052602964] [2024-11-13 15:06:54,277 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:06:54,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:06:54,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:54,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:06:54,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=243, Unknown=2, NotChecked=0, Total=306 [2024-11-13 15:06:54,278 INFO L87 Difference]: Start difference. First operand 566 states and 736 transitions. Second operand has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:06:55,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:55,450 INFO L93 Difference]: Finished difference Result 579 states and 748 transitions. [2024-11-13 15:06:55,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 15:06:55,451 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 124 [2024-11-13 15:06:55,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:55,454 INFO L225 Difference]: With dead ends: 579 [2024-11-13 15:06:55,454 INFO L226 Difference]: Without dead ends: 578 [2024-11-13 15:06:55,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=160, Invalid=540, Unknown=2, NotChecked=0, Total=702 [2024-11-13 15:06:55,455 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 150 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:55,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 125 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:06:55,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-13 15:06:55,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 566. [2024-11-13 15:06:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 473 states have (on average 1.200845665961945) internal successors, (568), 483 states have internal predecessors, (568), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-13 15:06:55,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 730 transitions. [2024-11-13 15:06:55,559 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 730 transitions. Word has length 124 [2024-11-13 15:06:55,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:55,559 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 730 transitions. [2024-11-13 15:06:55,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:06:55,560 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 730 transitions. [2024-11-13 15:06:55,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 15:06:55,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:55,563 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:55,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-13 15:06:55,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:55,767 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:55,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:55,767 INFO L85 PathProgramCache]: Analyzing trace with hash 977325605, now seen corresponding path program 2 times [2024-11-13 15:06:55,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:55,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732840780] [2024-11-13 15:06:55,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:55,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:06:55,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2093580667] [2024-11-13 15:06:55,800 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:06:55,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:55,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:55,802 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:55,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-13 15:06:55,858 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 15:06:55,858 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:06:55,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:06:55,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:56,148 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2024-11-13 15:06:56,149 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:06:56,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:56,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732840780] [2024-11-13 15:06:56,149 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:06:56,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093580667] [2024-11-13 15:06:56,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093580667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:56,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:06:56,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:06:56,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680067789] [2024-11-13 15:06:56,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:56,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:06:56,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:56,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:06:56,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:06:56,150 INFO L87 Difference]: Start difference. First operand 566 states and 730 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:06:56,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:06:56,356 INFO L93 Difference]: Finished difference Result 566 states and 730 transitions. [2024-11-13 15:06:56,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:06:56,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 125 [2024-11-13 15:06:56,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:06:56,358 INFO L225 Difference]: With dead ends: 566 [2024-11-13 15:06:56,358 INFO L226 Difference]: Without dead ends: 565 [2024-11-13 15:06:56,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:06:56,358 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 52 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:06:56,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 81 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:06:56,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-13 15:06:56,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 535. [2024-11-13 15:06:56,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 447 states have (on average 1.1722595078299776) internal successors, (524), 456 states have internal predecessors, (524), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-13 15:06:56,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 678 transitions. [2024-11-13 15:06:56,451 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 678 transitions. Word has length 125 [2024-11-13 15:06:56,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:06:56,452 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 678 transitions. [2024-11-13 15:06:56,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 15:06:56,452 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 678 transitions. [2024-11-13 15:06:56,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-13 15:06:56,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:06:56,453 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:56,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-13 15:06:56,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-13 15:06:56,654 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:06:56,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:56,655 INFO L85 PathProgramCache]: Analyzing trace with hash -76120530, now seen corresponding path program 4 times [2024-11-13 15:06:56,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:56,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680179560] [2024-11-13 15:06:56,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:56,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:57,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:06:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:57,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:06:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:57,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:06:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:57,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:06:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:57,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:06:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:57,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:06:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:57,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:06:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:57,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:06:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:57,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:06:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:57,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:06:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:57,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:06:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:57,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 15:06:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:57,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:06:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:57,249 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 15:06:57,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:57,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680179560] [2024-11-13 15:06:57,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680179560] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:06:57,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358128429] [2024-11-13 15:06:57,250 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 15:06:57,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:06:57,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:57,252 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:06:57,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-13 15:06:57,337 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 15:06:57,337 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:06:57,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 15:06:57,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:06:59,177 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 61 proven. 29 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-13 15:06:59,177 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:09,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358128429] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:09,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:07:09,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 24 [2024-11-13 15:07:09,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778460216] [2024-11-13 15:07:09,329 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:09,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-13 15:07:09,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:09,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-13 15:07:09,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=772, Unknown=2, NotChecked=0, Total=870 [2024-11-13 15:07:09,331 INFO L87 Difference]: Start difference. First operand 535 states and 678 transitions. Second operand has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2024-11-13 15:07:15,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:15,055 INFO L93 Difference]: Finished difference Result 934 states and 1190 transitions. [2024-11-13 15:07:15,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-13 15:07:15,056 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) Word has length 128 [2024-11-13 15:07:15,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:15,059 INFO L225 Difference]: With dead ends: 934 [2024-11-13 15:07:15,059 INFO L226 Difference]: Without dead ends: 928 [2024-11-13 15:07:15,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1411 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=883, Invalid=4967, Unknown=2, NotChecked=0, Total=5852 [2024-11-13 15:07:15,061 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 965 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 1832 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 2032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 1832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:15,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 561 Invalid, 2032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 1832 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-13 15:07:15,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2024-11-13 15:07:15,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 684. [2024-11-13 15:07:15,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 584 states have (on average 1.1695205479452055) internal successors, (683), 593 states have internal predecessors, (683), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-13 15:07:15,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 861 transitions. [2024-11-13 15:07:15,161 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 861 transitions. Word has length 128 [2024-11-13 15:07:15,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:15,161 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 861 transitions. [2024-11-13 15:07:15,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2024-11-13 15:07:15,161 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 861 transitions. [2024-11-13 15:07:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-13 15:07:15,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:15,163 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1] [2024-11-13 15:07:15,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-13 15:07:15,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-13 15:07:15,368 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:07:15,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:15,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1854385860, now seen corresponding path program 1 times [2024-11-13 15:07:15,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:15,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536423766] [2024-11-13 15:07:15,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:15,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:07:15,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1466175302] [2024-11-13 15:07:15,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:15,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:15,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:15,387 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:15,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-13 15:07:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:15,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:07:15,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:15,777 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-11-13 15:07:15,777 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:07:15,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:15,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536423766] [2024-11-13 15:07:15,777 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:07:15,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466175302] [2024-11-13 15:07:15,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466175302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:07:15,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:07:15,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:07:15,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106148502] [2024-11-13 15:07:15,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:07:15,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:07:15,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:15,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:07:15,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:07:15,779 INFO L87 Difference]: Start difference. First operand 684 states and 861 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 15:07:15,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:15,947 INFO L93 Difference]: Finished difference Result 684 states and 861 transitions. [2024-11-13 15:07:15,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:07:15,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 131 [2024-11-13 15:07:15,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:15,950 INFO L225 Difference]: With dead ends: 684 [2024-11-13 15:07:15,950 INFO L226 Difference]: Without dead ends: 682 [2024-11-13 15:07:15,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:07:15,951 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 25 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:15,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 63 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:07:15,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-11-13 15:07:16,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 535. [2024-11-13 15:07:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 453 states have (on average 1.1390728476821192) internal successors, (516), 460 states have internal predecessors, (516), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-13 15:07:16,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 662 transitions. [2024-11-13 15:07:16,040 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 662 transitions. Word has length 131 [2024-11-13 15:07:16,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:16,040 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 662 transitions. [2024-11-13 15:07:16,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 15:07:16,040 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 662 transitions. [2024-11-13 15:07:16,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-13 15:07:16,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:16,042 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:16,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-13 15:07:16,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-13 15:07:16,243 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:07:16,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:16,243 INFO L85 PathProgramCache]: Analyzing trace with hash 629652967, now seen corresponding path program 1 times [2024-11-13 15:07:16,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:16,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215477920] [2024-11-13 15:07:16,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:16,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:07:16,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1280125741] [2024-11-13 15:07:16,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:16,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:16,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:16,275 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:16,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-13 15:07:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:16,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 15:07:16,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:17,205 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-13 15:07:17,205 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:17,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:17,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215477920] [2024-11-13 15:07:17,779 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:07:17,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280125741] [2024-11-13 15:07:17,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280125741] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:17,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:07:17,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-13 15:07:17,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348469932] [2024-11-13 15:07:17,779 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:17,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:07:17,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:17,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:07:17,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:07:17,781 INFO L87 Difference]: Start difference. First operand 535 states and 662 transitions. Second operand has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-13 15:07:18,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:18,794 INFO L93 Difference]: Finished difference Result 539 states and 666 transitions. [2024-11-13 15:07:18,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:07:18,794 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 138 [2024-11-13 15:07:18,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:18,797 INFO L225 Difference]: With dead ends: 539 [2024-11-13 15:07:18,797 INFO L226 Difference]: Without dead ends: 538 [2024-11-13 15:07:18,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:07:18,798 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 9 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:18,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 259 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:07:18,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-13 15:07:18,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 536. [2024-11-13 15:07:18,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 454 states have (on average 1.1387665198237886) internal successors, (517), 461 states have internal predecessors, (517), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-13 15:07:18,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 663 transitions. [2024-11-13 15:07:18,890 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 663 transitions. Word has length 138 [2024-11-13 15:07:18,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:18,891 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 663 transitions. [2024-11-13 15:07:18,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-13 15:07:18,891 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 663 transitions. [2024-11-13 15:07:18,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-13 15:07:18,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:18,893 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:18,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-13 15:07:19,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-13 15:07:19,098 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:07:19,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:19,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1955594378, now seen corresponding path program 1 times [2024-11-13 15:07:19,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:19,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962347811] [2024-11-13 15:07:19,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:19,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:07:19,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2010481849] [2024-11-13 15:07:19,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:19,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:19,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:19,134 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:19,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-13 15:07:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:19,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 15:07:19,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:20,211 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-13 15:07:20,212 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:20,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:20,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962347811] [2024-11-13 15:07:20,879 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:07:20,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010481849] [2024-11-13 15:07:20,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010481849] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:20,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:07:20,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-13 15:07:20,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14808452] [2024-11-13 15:07:20,880 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:20,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:07:20,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:20,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:07:20,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:07:20,881 INFO L87 Difference]: Start difference. First operand 536 states and 663 transitions. Second operand has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-13 15:07:21,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:21,917 INFO L93 Difference]: Finished difference Result 544 states and 670 transitions. [2024-11-13 15:07:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:07:21,917 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 139 [2024-11-13 15:07:21,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:21,919 INFO L225 Difference]: With dead ends: 544 [2024-11-13 15:07:21,919 INFO L226 Difference]: Without dead ends: 539 [2024-11-13 15:07:21,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-13 15:07:21,920 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 32 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:21,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 338 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:07:21,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-13 15:07:22,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 536. [2024-11-13 15:07:22,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 454 states have (on average 1.1343612334801763) internal successors, (515), 461 states have internal predecessors, (515), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-13 15:07:22,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 661 transitions. [2024-11-13 15:07:22,011 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 661 transitions. Word has length 139 [2024-11-13 15:07:22,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:22,011 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 661 transitions. [2024-11-13 15:07:22,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-13 15:07:22,011 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 661 transitions. [2024-11-13 15:07:22,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-13 15:07:22,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:22,013 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:22,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-13 15:07:22,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-13 15:07:22,218 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:07:22,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:22,218 INFO L85 PathProgramCache]: Analyzing trace with hash -630309907, now seen corresponding path program 3 times [2024-11-13 15:07:22,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:22,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118884931] [2024-11-13 15:07:22,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:22,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:07:22,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [235457811] [2024-11-13 15:07:22,250 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 15:07:22,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:22,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:22,253 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:22,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-13 15:07:22,322 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-13 15:07:22,322 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:07:22,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 15:07:22,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:22,556 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-13 15:07:22,557 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:22,836 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-13 15:07:22,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:22,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118884931] [2024-11-13 15:07:22,836 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:07:22,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235457811] [2024-11-13 15:07:22,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235457811] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:22,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:07:22,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-13 15:07:22,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536989106] [2024-11-13 15:07:22,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:07:22,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:07:22,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:22,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:07:22,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:07:22,837 INFO L87 Difference]: Start difference. First operand 536 states and 661 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:07:23,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:23,499 INFO L93 Difference]: Finished difference Result 538 states and 663 transitions. [2024-11-13 15:07:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:07:23,499 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 142 [2024-11-13 15:07:23,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:23,501 INFO L225 Difference]: With dead ends: 538 [2024-11-13 15:07:23,501 INFO L226 Difference]: Without dead ends: 537 [2024-11-13 15:07:23,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:07:23,504 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 92 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:23,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 72 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:07:23,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-11-13 15:07:23,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 535. [2024-11-13 15:07:23,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 454 states have (on average 1.1299559471365639) internal successors, (513), 460 states have internal predecessors, (513), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-13 15:07:23,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 659 transitions. [2024-11-13 15:07:23,601 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 659 transitions. Word has length 142 [2024-11-13 15:07:23,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:23,602 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 659 transitions. [2024-11-13 15:07:23,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:07:23,602 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 659 transitions. [2024-11-13 15:07:23,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-13 15:07:23,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:23,603 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:23,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-13 15:07:23,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:23,804 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:07:23,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:23,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1935229488, now seen corresponding path program 1 times [2024-11-13 15:07:23,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:23,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724809243] [2024-11-13 15:07:23,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:23,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:07:23,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [698330378] [2024-11-13 15:07:23,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:23,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:23,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:23,833 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:23,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-13 15:07:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:23,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 15:07:23,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:25,055 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-13 15:07:25,055 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:26,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:26,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724809243] [2024-11-13 15:07:26,258 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:07:26,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698330378] [2024-11-13 15:07:26,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698330378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:26,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:07:26,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-13 15:07:26,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346867149] [2024-11-13 15:07:26,258 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:26,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 15:07:26,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:26,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 15:07:26,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2024-11-13 15:07:26,260 INFO L87 Difference]: Start difference. First operand 535 states and 659 transitions. Second operand has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-13 15:07:27,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:27,387 INFO L93 Difference]: Finished difference Result 538 states and 661 transitions. [2024-11-13 15:07:27,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 15:07:27,388 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 143 [2024-11-13 15:07:27,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:27,389 INFO L225 Difference]: With dead ends: 538 [2024-11-13 15:07:27,390 INFO L226 Difference]: Without dead ends: 535 [2024-11-13 15:07:27,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-11-13 15:07:27,390 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 35 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:27,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 360 Invalid, 1076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 15:07:27,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-13 15:07:27,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 533. [2024-11-13 15:07:27,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 452 states have (on average 1.1283185840707965) internal successors, (510), 458 states have internal predecessors, (510), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-13 15:07:27,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 656 transitions. [2024-11-13 15:07:27,481 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 656 transitions. Word has length 143 [2024-11-13 15:07:27,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:27,482 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 656 transitions. [2024-11-13 15:07:27,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-13 15:07:27,482 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 656 transitions. [2024-11-13 15:07:27,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 15:07:27,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:27,484 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:27,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-13 15:07:27,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-13 15:07:27,688 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:07:27,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:27,688 INFO L85 PathProgramCache]: Analyzing trace with hash 2122516997, now seen corresponding path program 2 times [2024-11-13 15:07:27,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:27,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062015796] [2024-11-13 15:07:27,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:27,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:07:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:07:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:07:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:07:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:07:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:07:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:07:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:07:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:07:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:07:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:07:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:07:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:07:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:07:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 15:07:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 15:07:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:07:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:07:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:27,991 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 15:07:27,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:27,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062015796] [2024-11-13 15:07:27,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062015796] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:27,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718730213] [2024-11-13 15:07:27,991 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:07:27,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:27,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:27,993 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:27,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-13 15:07:28,134 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:07:28,134 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:07:28,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 15:07:28,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-11-13 15:07:28,767 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:07:28,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718730213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:07:28,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:07:28,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2024-11-13 15:07:28,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253824198] [2024-11-13 15:07:28,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:07:28,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:07:28,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:28,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:07:28,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:07:28,768 INFO L87 Difference]: Start difference. First operand 533 states and 656 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-13 15:07:29,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:29,411 INFO L93 Difference]: Finished difference Result 653 states and 802 transitions. [2024-11-13 15:07:29,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:07:29,411 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 162 [2024-11-13 15:07:29,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:29,413 INFO L225 Difference]: With dead ends: 653 [2024-11-13 15:07:29,413 INFO L226 Difference]: Without dead ends: 535 [2024-11-13 15:07:29,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 195 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:07:29,414 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 105 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:29,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 346 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:07:29,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-13 15:07:29,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 505. [2024-11-13 15:07:29,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 426 states have (on average 1.1384976525821595) internal successors, (485), 432 states have internal predecessors, (485), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-13 15:07:29,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 627 transitions. [2024-11-13 15:07:29,512 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 627 transitions. Word has length 162 [2024-11-13 15:07:29,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:29,512 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 627 transitions. [2024-11-13 15:07:29,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-13 15:07:29,512 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 627 transitions. [2024-11-13 15:07:29,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 15:07:29,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:29,514 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:29,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-13 15:07:29,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-13 15:07:29,718 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:07:29,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:29,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1438012335, now seen corresponding path program 3 times [2024-11-13 15:07:29,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:29,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880212171] [2024-11-13 15:07:29,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:29,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:29,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:07:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:29,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:07:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:30,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:07:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:30,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:07:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:30,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:07:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:30,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:07:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:30,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:07:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:30,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:07:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:30,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:07:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:30,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:07:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:30,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:07:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:30,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:07:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:30,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:07:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:30,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:07:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:30,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:07:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:30,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:07:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:30,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:07:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:30,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:07:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:30,050 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 15:07:30,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:30,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880212171] [2024-11-13 15:07:30,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880212171] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:30,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464098405] [2024-11-13 15:07:30,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 15:07:30,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:30,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:30,053 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:30,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-13 15:07:30,179 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-13 15:07:30,179 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:07:30,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 15:07:30,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:30,612 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2024-11-13 15:07:30,612 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:31,423 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2024-11-13 15:07:31,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464098405] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:31,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:07:31,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 7] total 16 [2024-11-13 15:07:31,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241826509] [2024-11-13 15:07:31,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:07:31,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:07:31,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:31,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:07:31,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:07:31,425 INFO L87 Difference]: Start difference. First operand 505 states and 627 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:07:32,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:32,410 INFO L93 Difference]: Finished difference Result 505 states and 627 transitions. [2024-11-13 15:07:32,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:07:32,411 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 162 [2024-11-13 15:07:32,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:32,412 INFO L225 Difference]: With dead ends: 505 [2024-11-13 15:07:32,413 INFO L226 Difference]: Without dead ends: 504 [2024-11-13 15:07:32,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 353 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:07:32,413 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 67 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:32,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 85 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:07:32,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-11-13 15:07:32,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 502. [2024-11-13 15:07:32,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 424 states have (on average 1.1367924528301887) internal successors, (482), 429 states have internal predecessors, (482), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-13 15:07:32,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 624 transitions. [2024-11-13 15:07:32,475 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 624 transitions. Word has length 162 [2024-11-13 15:07:32,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:32,475 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 624 transitions. [2024-11-13 15:07:32,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:07:32,475 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 624 transitions. [2024-11-13 15:07:32,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-13 15:07:32,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:32,477 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:32,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-13 15:07:32,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:32,677 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:07:32,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:32,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1049619443, now seen corresponding path program 1 times [2024-11-13 15:07:32,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:32,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441902196] [2024-11-13 15:07:32,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:32,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:07:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:07:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:07:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:07:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:07:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:07:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:07:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:07:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:07:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:07:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:07:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:07:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:07:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:07:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:07:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:07:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:07:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:07:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:32,959 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 15:07:32,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:32,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441902196] [2024-11-13 15:07:32,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441902196] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:32,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549778179] [2024-11-13 15:07:32,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:32,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:32,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:32,962 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:32,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-13 15:07:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:33,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 15:07:33,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:33,732 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 15:07:33,732 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:33,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549778179] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:33,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:07:33,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14] total 18 [2024-11-13 15:07:33,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444546863] [2024-11-13 15:07:33,989 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:33,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 15:07:33,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:33,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 15:07:33,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-11-13 15:07:33,991 INFO L87 Difference]: Start difference. First operand 502 states and 624 transitions. Second operand has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 10 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36) [2024-11-13 15:07:35,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:35,221 INFO L93 Difference]: Finished difference Result 573 states and 705 transitions. [2024-11-13 15:07:35,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 15:07:35,221 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 10 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36) Word has length 164 [2024-11-13 15:07:35,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:35,224 INFO L225 Difference]: With dead ends: 573 [2024-11-13 15:07:35,224 INFO L226 Difference]: Without dead ends: 568 [2024-11-13 15:07:35,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 194 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-11-13 15:07:35,230 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 57 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:35,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 604 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1218 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 15:07:35,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2024-11-13 15:07:35,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 502. [2024-11-13 15:07:35,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 424 states have (on average 1.1320754716981132) internal successors, (480), 429 states have internal predecessors, (480), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-13 15:07:35,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 622 transitions. [2024-11-13 15:07:35,305 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 622 transitions. Word has length 164 [2024-11-13 15:07:35,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:35,305 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 622 transitions. [2024-11-13 15:07:35,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 10 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36) [2024-11-13 15:07:35,305 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 622 transitions. [2024-11-13 15:07:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-13 15:07:35,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:35,307 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2024-11-13 15:07:35,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-13 15:07:35,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:35,507 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:07:35,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:35,508 INFO L85 PathProgramCache]: Analyzing trace with hash 470311914, now seen corresponding path program 2 times [2024-11-13 15:07:35,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:35,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039299246] [2024-11-13 15:07:35,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:35,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:07:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:07:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:07:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:07:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:07:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:07:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:07:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:07:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:07:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:07:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 15:07:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 15:07:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:07:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:07:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:07:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:07:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:07:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-13 15:07:35,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:35,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039299246] [2024-11-13 15:07:35,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039299246] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:35,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156982594] [2024-11-13 15:07:35,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:07:35,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:35,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:35,921 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:35,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-13 15:07:36,014 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:07:36,014 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:07:36,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 15:07:36,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:36,719 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2024-11-13 15:07:36,719 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:37,675 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 50 proven. 40 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2024-11-13 15:07:37,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156982594] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:07:37,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:07:37,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 10] total 26 [2024-11-13 15:07:37,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983073937] [2024-11-13 15:07:37,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:37,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-13 15:07:37,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:37,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-13 15:07:37,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2024-11-13 15:07:37,678 INFO L87 Difference]: Start difference. First operand 502 states and 622 transitions. Second operand has 26 states, 26 states have (on average 7.884615384615385) internal successors, (205), 26 states have internal predecessors, (205), 15 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 15 states have call predecessors, (45), 15 states have call successors, (45) [2024-11-13 15:07:39,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:39,305 INFO L93 Difference]: Finished difference Result 555 states and 682 transitions. [2024-11-13 15:07:39,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 15:07:39,306 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 7.884615384615385) internal successors, (205), 26 states have internal predecessors, (205), 15 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 15 states have call predecessors, (45), 15 states have call successors, (45) Word has length 164 [2024-11-13 15:07:39,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:39,307 INFO L225 Difference]: With dead ends: 555 [2024-11-13 15:07:39,308 INFO L226 Difference]: Without dead ends: 291 [2024-11-13 15:07:39,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=270, Invalid=1290, Unknown=0, NotChecked=0, Total=1560 [2024-11-13 15:07:39,309 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 154 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:39,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 472 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 15:07:39,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-13 15:07:39,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 287. [2024-11-13 15:07:39,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 233 states have (on average 1.111587982832618) internal successors, (259), 238 states have internal predecessors, (259), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-13 15:07:39,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 353 transitions. [2024-11-13 15:07:39,363 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 353 transitions. Word has length 164 [2024-11-13 15:07:39,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:39,363 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 353 transitions. [2024-11-13 15:07:39,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.884615384615385) internal successors, (205), 26 states have internal predecessors, (205), 15 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 15 states have call predecessors, (45), 15 states have call successors, (45) [2024-11-13 15:07:39,363 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 353 transitions. [2024-11-13 15:07:39,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-13 15:07:39,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:39,364 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:39,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-13 15:07:39,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:39,566 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:07:39,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:39,566 INFO L85 PathProgramCache]: Analyzing trace with hash 506288794, now seen corresponding path program 1 times [2024-11-13 15:07:39,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:39,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143200639] [2024-11-13 15:07:39,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:39,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:07:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:07:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:07:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:07:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:07:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:07:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:07:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:07:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:07:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:07:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:07:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:07:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:07:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:07:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:07:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:07:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:07:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:07:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,240 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 15:07:40,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:40,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143200639] [2024-11-13 15:07:40,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143200639] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:40,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180095974] [2024-11-13 15:07:40,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:40,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:40,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:40,243 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:40,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-13 15:07:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:40,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 15:07:40,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 15:07:41,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:47,126 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 15:07:47,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180095974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:07:47,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:07:47,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 8] total 29 [2024-11-13 15:07:47,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663357134] [2024-11-13 15:07:47,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:47,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-13 15:07:47,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:47,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-13 15:07:47,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=593, Unknown=0, NotChecked=0, Total=870 [2024-11-13 15:07:47,128 INFO L87 Difference]: Start difference. First operand 287 states and 353 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2024-11-13 15:07:53,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:53,368 INFO L93 Difference]: Finished difference Result 812 states and 996 transitions. [2024-11-13 15:07:53,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-13 15:07:53,369 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) Word has length 169 [2024-11-13 15:07:53,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:53,371 INFO L225 Difference]: With dead ends: 812 [2024-11-13 15:07:53,372 INFO L226 Difference]: Without dead ends: 811 [2024-11-13 15:07:53,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 960 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=1072, Invalid=1898, Unknown=0, NotChecked=0, Total=2970 [2024-11-13 15:07:53,373 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 593 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1237 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:53,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 748 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1237 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-13 15:07:53,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2024-11-13 15:07:53,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 630. [2024-11-13 15:07:53,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 534 states have (on average 1.1310861423220975) internal successors, (604), 539 states have internal predecessors, (604), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-13 15:07:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 782 transitions. [2024-11-13 15:07:53,510 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 782 transitions. Word has length 169 [2024-11-13 15:07:53,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:53,511 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 782 transitions. [2024-11-13 15:07:53,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2024-11-13 15:07:53,511 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 782 transitions. [2024-11-13 15:07:53,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-13 15:07:53,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:53,512 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:53,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-13 15:07:53,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:53,713 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:07:53,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:53,713 INFO L85 PathProgramCache]: Analyzing trace with hash 110092670, now seen corresponding path program 1 times [2024-11-13 15:07:53,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:53,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723047916] [2024-11-13 15:07:53,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:53,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:07:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:07:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:07:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:07:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:07:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:07:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:07:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:07:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:07:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:07:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:07:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:07:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:07:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:07:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:07:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:07:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 15:07:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 15:07:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 15:07:54,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:54,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723047916] [2024-11-13 15:07:54,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723047916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:54,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854047822] [2024-11-13 15:07:54,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:54,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:54,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:54,282 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:54,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-13 15:07:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 15:07:54,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 15:07:54,929 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:58,911 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 15:07:58,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854047822] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:07:58,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:07:58,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 33 [2024-11-13 15:07:58,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759228095] [2024-11-13 15:07:58,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:58,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-13 15:07:58,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:58,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-13 15:07:58,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=914, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 15:07:58,914 INFO L87 Difference]: Start difference. First operand 630 states and 782 transitions. Second operand has 34 states, 33 states have (on average 7.090909090909091) internal successors, (234), 34 states have internal predecessors, (234), 20 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 20 states have call predecessors, (51), 20 states have call successors, (51) [2024-11-13 15:08:04,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:08:04,075 INFO L93 Difference]: Finished difference Result 1056 states and 1322 transitions. [2024-11-13 15:08:04,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 15:08:04,076 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 7.090909090909091) internal successors, (234), 34 states have internal predecessors, (234), 20 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 20 states have call predecessors, (51), 20 states have call successors, (51) Word has length 171 [2024-11-13 15:08:04,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:08:04,078 INFO L225 Difference]: With dead ends: 1056 [2024-11-13 15:08:04,078 INFO L226 Difference]: Without dead ends: 1055 [2024-11-13 15:08:04,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 984 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=990, Invalid=3042, Unknown=0, NotChecked=0, Total=4032 [2024-11-13 15:08:04,079 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 839 mSDsluCounter, 1170 mSDsCounter, 0 mSdLazyCounter, 1098 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 1278 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:08:04,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [843 Valid, 1278 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1098 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 15:08:04,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2024-11-13 15:08:04,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 847. [2024-11-13 15:08:04,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 729 states have (on average 1.1618655692729767) internal successors, (847), 734 states have internal predecessors, (847), 111 states have call successors, (111), 1 states have call predecessors, (111), 1 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-13 15:08:04,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1069 transitions. [2024-11-13 15:08:04,252 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1069 transitions. Word has length 171 [2024-11-13 15:08:04,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:08:04,252 INFO L471 AbstractCegarLoop]: Abstraction has 847 states and 1069 transitions. [2024-11-13 15:08:04,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 7.090909090909091) internal successors, (234), 34 states have internal predecessors, (234), 20 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 20 states have call predecessors, (51), 20 states have call successors, (51) [2024-11-13 15:08:04,253 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1069 transitions. [2024-11-13 15:08:04,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-13 15:08:04,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:08:04,254 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:08:04,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-13 15:08:04,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:08:04,454 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:08:04,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:08:04,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1430743863, now seen corresponding path program 1 times [2024-11-13 15:08:04,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:08:04,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650954673] [2024-11-13 15:08:04,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:08:04,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:08:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:08:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:08:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:08:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:08:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:08:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:08:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:08:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:08:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:08:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:08:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:08:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:08:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:08:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:08:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:08:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:08:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:08:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:08:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:04,971 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 15:08:04,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:08:04,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650954673] [2024-11-13 15:08:04,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650954673] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:08:04,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465866923] [2024-11-13 15:08:04,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:08:04,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:08:04,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:08:04,973 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:08:04,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-13 15:08:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:05,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 15:08:05,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:08:06,167 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 15:08:06,168 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:08:10,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465866923] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:08:10,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:08:10,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2024-11-13 15:08:10,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341795588] [2024-11-13 15:08:10,763 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:08:10,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-13 15:08:10,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:08:10,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-13 15:08:10,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=658, Unknown=1, NotChecked=0, Total=756 [2024-11-13 15:08:10,764 INFO L87 Difference]: Start difference. First operand 847 states and 1069 transitions. Second operand has 25 states, 24 states have (on average 7.0) internal successors, (168), 25 states have internal predecessors, (168), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-13 15:08:14,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:08:14,253 INFO L93 Difference]: Finished difference Result 1030 states and 1281 transitions. [2024-11-13 15:08:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-13 15:08:14,254 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.0) internal successors, (168), 25 states have internal predecessors, (168), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 174 [2024-11-13 15:08:14,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:08:14,256 INFO L225 Difference]: With dead ends: 1030 [2024-11-13 15:08:14,256 INFO L226 Difference]: Without dead ends: 1015 [2024-11-13 15:08:14,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 800 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=478, Invalid=2601, Unknown=1, NotChecked=0, Total=3080 [2024-11-13 15:08:14,258 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 411 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 1961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:08:14,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 981 Invalid, 1961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 15:08:14,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2024-11-13 15:08:14,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 855. [2024-11-13 15:08:14,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 737 states have (on average 1.146540027137042) internal successors, (845), 742 states have internal predecessors, (845), 111 states have call successors, (111), 1 states have call predecessors, (111), 1 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-13 15:08:14,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1067 transitions. [2024-11-13 15:08:14,432 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1067 transitions. Word has length 174 [2024-11-13 15:08:14,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:08:14,433 INFO L471 AbstractCegarLoop]: Abstraction has 855 states and 1067 transitions. [2024-11-13 15:08:14,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.0) internal successors, (168), 25 states have internal predecessors, (168), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-13 15:08:14,433 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1067 transitions. [2024-11-13 15:08:14,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-13 15:08:14,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:08:14,434 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-13 15:08:14,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-13 15:08:14,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:08:14,635 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:08:14,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:08:14,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1981071729, now seen corresponding path program 5 times [2024-11-13 15:08:14,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:08:14,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209125668] [2024-11-13 15:08:14,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:08:14,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:08:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:08:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:08:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:08:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:08:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:08:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:08:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:08:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:08:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:08:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:08:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:08:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:08:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:08:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:08:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:08:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:08:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 15:08:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 15:08:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 15:08:15,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:08:15,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209125668] [2024-11-13 15:08:15,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209125668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:08:15,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354661893] [2024-11-13 15:08:15,367 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 15:08:15,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:08:15,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:08:15,370 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:08:15,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-13 15:08:15,483 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-11-13 15:08:15,484 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:08:15,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-13 15:08:15,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:08:18,399 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 90 proven. 204 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-11-13 15:08:18,399 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:08:27,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354661893] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:08:27,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:08:27,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 25] total 38 [2024-11-13 15:08:27,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470526957] [2024-11-13 15:08:27,772 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:08:27,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-13 15:08:27,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:08:27,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-13 15:08:27,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1626, Unknown=2, NotChecked=0, Total=1806 [2024-11-13 15:08:27,774 INFO L87 Difference]: Start difference. First operand 855 states and 1067 transitions. Second operand has 39 states, 38 states have (on average 4.7105263157894735) internal successors, (179), 39 states have internal predecessors, (179), 15 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (36), 16 states have call predecessors, (36), 15 states have call successors, (36) [2024-11-13 15:08:33,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:08:33,017 INFO L93 Difference]: Finished difference Result 1023 states and 1273 transitions. [2024-11-13 15:08:33,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 15:08:33,018 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 4.7105263157894735) internal successors, (179), 39 states have internal predecessors, (179), 15 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (36), 16 states have call predecessors, (36), 15 states have call successors, (36) Word has length 178 [2024-11-13 15:08:33,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:08:33,020 INFO L225 Difference]: With dead ends: 1023 [2024-11-13 15:08:33,021 INFO L226 Difference]: Without dead ends: 1022 [2024-11-13 15:08:33,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 202 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 883 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=413, Invalid=3367, Unknown=2, NotChecked=0, Total=3782 [2024-11-13 15:08:33,022 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 268 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 4067 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 4147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 4067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:08:33,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 1078 Invalid, 4147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 4067 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-13 15:08:33,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2024-11-13 15:08:33,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 846. [2024-11-13 15:08:33,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 728 states have (on average 1.1456043956043955) internal successors, (834), 733 states have internal predecessors, (834), 111 states have call successors, (111), 1 states have call predecessors, (111), 1 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-13 15:08:33,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1056 transitions. [2024-11-13 15:08:33,222 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1056 transitions. Word has length 178 [2024-11-13 15:08:33,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:08:33,223 INFO L471 AbstractCegarLoop]: Abstraction has 846 states and 1056 transitions. [2024-11-13 15:08:33,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 4.7105263157894735) internal successors, (179), 39 states have internal predecessors, (179), 15 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (36), 16 states have call predecessors, (36), 15 states have call successors, (36) [2024-11-13 15:08:33,223 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1056 transitions. [2024-11-13 15:08:33,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-13 15:08:33,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:08:33,224 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2024-11-13 15:08:33,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-13 15:08:33,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:08:33,425 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:08:33,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:08:33,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1727544891, now seen corresponding path program 2 times [2024-11-13 15:08:33,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:08:33,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692999636] [2024-11-13 15:08:33,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:08:33,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:08:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:08:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:08:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:08:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:08:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:08:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:08:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:08:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:08:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:08:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:08:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:08:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:08:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:08:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:08:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:08:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 15:08:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 15:08:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:08:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:08:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 15:08:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 15:08:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:34,254 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-13 15:08:34,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:08:34,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692999636] [2024-11-13 15:08:34,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692999636] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:08:34,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492030743] [2024-11-13 15:08:34,255 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:08:34,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:08:34,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:08:34,258 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:08:34,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-13 15:08:34,358 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:08:34,359 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:08:34,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 15:08:34,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:08:35,621 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 190 proven. 109 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2024-11-13 15:08:35,621 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:08:37,806 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 38 proven. 109 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2024-11-13 15:08:37,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492030743] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:08:37,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:08:37,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 11] total 38 [2024-11-13 15:08:37,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638807776] [2024-11-13 15:08:37,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:08:37,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-13 15:08:37,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:08:37,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-13 15:08:37,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=1212, Unknown=0, NotChecked=0, Total=1406 [2024-11-13 15:08:37,808 INFO L87 Difference]: Start difference. First operand 846 states and 1056 transitions. Second operand has 38 states, 38 states have (on average 6.657894736842105) internal successors, (253), 38 states have internal predecessors, (253), 20 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (63), 20 states have call predecessors, (63), 20 states have call successors, (63) [2024-11-13 15:08:42,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:08:42,149 INFO L93 Difference]: Finished difference Result 1047 states and 1299 transitions. [2024-11-13 15:08:42,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-13 15:08:42,150 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 6.657894736842105) internal successors, (253), 38 states have internal predecessors, (253), 20 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (63), 20 states have call predecessors, (63), 20 states have call successors, (63) Word has length 196 [2024-11-13 15:08:42,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:08:42,151 INFO L225 Difference]: With dead ends: 1047 [2024-11-13 15:08:42,151 INFO L226 Difference]: Without dead ends: 658 [2024-11-13 15:08:42,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 408 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 899 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=855, Invalid=3837, Unknown=0, NotChecked=0, Total=4692 [2024-11-13 15:08:42,153 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 725 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 2211 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 2351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 2211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:08:42,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 712 Invalid, 2351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 2211 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-13 15:08:42,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-13 15:08:42,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 642. [2024-11-13 15:08:42,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 555 states have (on average 1.154954954954955) internal successors, (641), 559 states have internal predecessors, (641), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-13 15:08:42,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 803 transitions. [2024-11-13 15:08:42,369 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 803 transitions. Word has length 196 [2024-11-13 15:08:42,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:08:42,369 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 803 transitions. [2024-11-13 15:08:42,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 6.657894736842105) internal successors, (253), 38 states have internal predecessors, (253), 20 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (63), 20 states have call predecessors, (63), 20 states have call successors, (63) [2024-11-13 15:08:42,370 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 803 transitions. [2024-11-13 15:08:42,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-13 15:08:42,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:08:42,371 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:08:42,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-13 15:08:42,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-13 15:08:42,576 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:08:42,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:08:42,576 INFO L85 PathProgramCache]: Analyzing trace with hash 734230652, now seen corresponding path program 2 times [2024-11-13 15:08:42,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:08:42,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955831876] [2024-11-13 15:08:42,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:08:42,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:08:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:08:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:08:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:08:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:08:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:08:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:08:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:08:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:08:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:08:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:08:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:08:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:08:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:08:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:08:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:08:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 15:08:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 15:08:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:08:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:08:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 15:08:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 15:08:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:43,359 INFO L134 CoverageAnalysis]: Checked inductivity of 998 backedges. 60 proven. 98 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-13 15:08:43,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:08:43,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955831876] [2024-11-13 15:08:43,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955831876] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:08:43,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164475205] [2024-11-13 15:08:43,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:08:43,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:08:43,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:08:43,362 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:08:43,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-13 15:08:43,452 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:08:43,452 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:08:43,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 15:08:43,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:08:46,105 INFO L134 CoverageAnalysis]: Checked inductivity of 998 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-13 15:08:46,106 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:08:51,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164475205] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:08:51,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:08:51,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 23] total 38 [2024-11-13 15:08:51,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303647821] [2024-11-13 15:08:51,528 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:08:51,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-13 15:08:51,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:08:51,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-13 15:08:51,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1625, Unknown=1, NotChecked=0, Total=1806 [2024-11-13 15:08:51,529 INFO L87 Difference]: Start difference. First operand 642 states and 803 transitions. Second operand has 39 states, 38 states have (on average 4.894736842105263) internal successors, (186), 39 states have internal predecessors, (186), 16 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 15 states have call predecessors, (42), 16 states have call successors, (42) [2024-11-13 15:08:57,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:08:57,863 INFO L93 Difference]: Finished difference Result 751 states and 930 transitions. [2024-11-13 15:08:57,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-13 15:08:57,863 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 4.894736842105263) internal successors, (186), 39 states have internal predecessors, (186), 16 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 15 states have call predecessors, (42), 16 states have call successors, (42) Word has length 197 [2024-11-13 15:08:57,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:08:57,865 INFO L225 Difference]: With dead ends: 751 [2024-11-13 15:08:57,865 INFO L226 Difference]: Without dead ends: 750 [2024-11-13 15:08:57,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 230 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1263 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=698, Invalid=5001, Unknown=1, NotChecked=0, Total=5700 [2024-11-13 15:08:57,866 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 549 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 3852 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 3977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 3852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:08:57,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 946 Invalid, 3977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 3852 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-13 15:08:57,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2024-11-13 15:08:57,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 676. [2024-11-13 15:08:57,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 585 states have (on average 1.1572649572649574) internal successors, (677), 589 states have internal predecessors, (677), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-13 15:08:57,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 847 transitions. [2024-11-13 15:08:57,999 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 847 transitions. Word has length 197 [2024-11-13 15:08:57,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:08:57,999 INFO L471 AbstractCegarLoop]: Abstraction has 676 states and 847 transitions. [2024-11-13 15:08:57,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 4.894736842105263) internal successors, (186), 39 states have internal predecessors, (186), 16 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 15 states have call predecessors, (42), 16 states have call successors, (42) [2024-11-13 15:08:57,999 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 847 transitions. [2024-11-13 15:08:58,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-13 15:08:58,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:08:58,000 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:08:58,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-13 15:08:58,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-13 15:08:58,201 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:08:58,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:08:58,201 INFO L85 PathProgramCache]: Analyzing trace with hash -2095399350, now seen corresponding path program 3 times [2024-11-13 15:08:58,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:08:58,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259715456] [2024-11-13 15:08:58,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:08:58,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:08:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:08:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:08:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:08:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:08:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:08:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:08:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:08:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:08:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:08:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:08:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:08:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:08:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:08:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:08:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:08:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 15:08:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 15:08:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:08:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:08:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 15:08:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 15:08:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 15:08:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-13 15:08:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:58,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 54 proven. 115 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 15:08:58,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:08:58,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259715456] [2024-11-13 15:08:58,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259715456] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:08:58,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368867701] [2024-11-13 15:08:58,473 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 15:08:58,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:08:58,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:08:58,475 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:08:58,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-13 15:08:58,547 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-13 15:08:58,547 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:08:58,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 15:08:58,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:08:59,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 93 proven. 3 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2024-11-13 15:08:59,102 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:08:59,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368867701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:08:59,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:08:59,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2024-11-13 15:08:59,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449979227] [2024-11-13 15:08:59,496 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:08:59,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 15:08:59,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:08:59,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 15:08:59,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:08:59,497 INFO L87 Difference]: Start difference. First operand 676 states and 847 transitions. Second operand has 14 states, 14 states have (on average 10.142857142857142) internal successors, (142), 13 states have internal predecessors, (142), 7 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 8 states have call predecessors, (30), 7 states have call successors, (30) [2024-11-13 15:09:00,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:00,982 INFO L93 Difference]: Finished difference Result 688 states and 858 transitions. [2024-11-13 15:09:00,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 15:09:00,982 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.142857142857142) internal successors, (142), 13 states have internal predecessors, (142), 7 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 8 states have call predecessors, (30), 7 states have call successors, (30) Word has length 210 [2024-11-13 15:09:00,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:00,984 INFO L225 Difference]: With dead ends: 688 [2024-11-13 15:09:00,984 INFO L226 Difference]: Without dead ends: 679 [2024-11-13 15:09:00,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 255 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=236, Invalid=886, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 15:09:00,985 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 39 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:00,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 435 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:09:00,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2024-11-13 15:09:01,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 666. [2024-11-13 15:09:01,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 577 states have (on average 1.1403812824956672) internal successors, (658), 581 states have internal predecessors, (658), 83 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-13 15:09:01,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 824 transitions. [2024-11-13 15:09:01,134 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 824 transitions. Word has length 210 [2024-11-13 15:09:01,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:01,135 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 824 transitions. [2024-11-13 15:09:01,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.142857142857142) internal successors, (142), 13 states have internal predecessors, (142), 7 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 8 states have call predecessors, (30), 7 states have call successors, (30) [2024-11-13 15:09:01,135 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 824 transitions. [2024-11-13 15:09:01,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-13 15:09:01,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:01,136 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-13 15:09:01,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-11-13 15:09:01,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-13 15:09:01,337 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:09:01,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:01,337 INFO L85 PathProgramCache]: Analyzing trace with hash 808835287, now seen corresponding path program 1 times [2024-11-13 15:09:01,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:01,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752561831] [2024-11-13 15:09:01,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:01,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:09:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:09:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:09:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:09:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:09:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:09:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:09:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:09:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:09:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:09:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:09:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:09:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:09:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:09:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:09:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:09:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:09:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:09:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 15:09:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 15:09:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-13 15:09:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-13 15:09:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1116 backedges. 56 proven. 67 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2024-11-13 15:09:01,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:01,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752561831] [2024-11-13 15:09:01,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752561831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:09:01,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069713883] [2024-11-13 15:09:01,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:01,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:09:01,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:09:01,520 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:09:01,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-13 15:09:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:01,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:09:01,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:09:01,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1116 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2024-11-13 15:09:01,718 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:09:01,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069713883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:01,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:09:01,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-13 15:09:01,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002934032] [2024-11-13 15:09:01,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:01,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:09:01,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:01,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:09:01,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:09:01,719 INFO L87 Difference]: Start difference. First operand 666 states and 824 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:09:01,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:01,928 INFO L93 Difference]: Finished difference Result 666 states and 824 transitions. [2024-11-13 15:09:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:09:01,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 211 [2024-11-13 15:09:01,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:01,934 INFO L225 Difference]: With dead ends: 666 [2024-11-13 15:09:01,934 INFO L226 Difference]: Without dead ends: 665 [2024-11-13 15:09:01,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:09:01,935 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 28 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:01,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 86 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:09:01,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2024-11-13 15:09:02,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 643. [2024-11-13 15:09:02,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 559 states have (on average 1.1073345259391771) internal successors, (619), 562 states have internal predecessors, (619), 79 states have call successors, (79), 1 states have call predecessors, (79), 1 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-13 15:09:02,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 777 transitions. [2024-11-13 15:09:02,054 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 777 transitions. Word has length 211 [2024-11-13 15:09:02,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:02,054 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 777 transitions. [2024-11-13 15:09:02,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:09:02,054 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 777 transitions. [2024-11-13 15:09:02,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-13 15:09:02,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:02,056 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-13 15:09:02,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-13 15:09:02,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:09:02,256 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:09:02,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:02,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1244526381, now seen corresponding path program 4 times [2024-11-13 15:09:02,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:02,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962898403] [2024-11-13 15:09:02,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:02,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:09:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:09:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:09:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:09:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:09:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:09:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:09:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:09:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:09:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:09:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:09:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:09:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:09:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:09:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:09:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:09:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:09:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:09:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 15:09:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 15:09:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-13 15:09:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-13 15:09:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 45 proven. 143 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 15:09:02,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:02,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962898403] [2024-11-13 15:09:02,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962898403] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:09:02,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264726993] [2024-11-13 15:09:02,723 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 15:09:02,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:09:02,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:09:02,725 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:09:02,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-13 15:09:02,824 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 15:09:02,824 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:09:02,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 15:09:02,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:09:03,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 63 proven. 173 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2024-11-13 15:09:03,888 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:09:04,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264726993] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:09:04,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:09:04,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 29 [2024-11-13 15:09:04,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605196431] [2024-11-13 15:09:04,349 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:09:04,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-13 15:09:04,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:04,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-13 15:09:04,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=886, Unknown=0, NotChecked=0, Total=1056 [2024-11-13 15:09:04,350 INFO L87 Difference]: Start difference. First operand 643 states and 777 transitions. Second operand has 30 states, 29 states have (on average 6.862068965517241) internal successors, (199), 29 states have internal predecessors, (199), 16 states have call successors, (42), 1 states have call predecessors, (42), 2 states have return successors, (42), 17 states have call predecessors, (42), 16 states have call successors, (42) [2024-11-13 15:09:06,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:06,136 INFO L93 Difference]: Finished difference Result 675 states and 808 transitions. [2024-11-13 15:09:06,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 15:09:06,137 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 6.862068965517241) internal successors, (199), 29 states have internal predecessors, (199), 16 states have call successors, (42), 1 states have call predecessors, (42), 2 states have return successors, (42), 17 states have call predecessors, (42), 16 states have call successors, (42) Word has length 214 [2024-11-13 15:09:06,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:06,138 INFO L225 Difference]: With dead ends: 675 [2024-11-13 15:09:06,139 INFO L226 Difference]: Without dead ends: 262 [2024-11-13 15:09:06,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 247 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=317, Invalid=1323, Unknown=0, NotChecked=0, Total=1640 [2024-11-13 15:09:06,140 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 132 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 1461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:06,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 846 Invalid, 1461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 15:09:06,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-13 15:09:06,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2024-11-13 15:09:06,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 220 states have (on average 1.0909090909090908) internal successors, (240), 223 states have internal predecessors, (240), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-13 15:09:06,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 314 transitions. [2024-11-13 15:09:06,192 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 314 transitions. Word has length 214 [2024-11-13 15:09:06,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:06,193 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 314 transitions. [2024-11-13 15:09:06,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 6.862068965517241) internal successors, (199), 29 states have internal predecessors, (199), 16 states have call successors, (42), 1 states have call predecessors, (42), 2 states have return successors, (42), 17 states have call predecessors, (42), 16 states have call successors, (42) [2024-11-13 15:09:06,193 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 314 transitions. [2024-11-13 15:09:06,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-13 15:09:06,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:06,198 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:09:06,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-13 15:09:06,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:09:06,399 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:09:06,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:06,399 INFO L85 PathProgramCache]: Analyzing trace with hash 235628195, now seen corresponding path program 2 times [2024-11-13 15:09:06,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:06,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486864702] [2024-11-13 15:09:06,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:06,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:09:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:09:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:09:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:09:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:09:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:09:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:09:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:09:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:09:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:09:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:09:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:09:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:09:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:09:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:09:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 15:09:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 15:09:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:09:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:09:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 15:09:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 15:09:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 15:09:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-13 15:09:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:07,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 188 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 15:09:07,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:07,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486864702] [2024-11-13 15:09:07,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486864702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:09:07,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899503654] [2024-11-13 15:09:07,130 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:09:07,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:09:07,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:09:07,132 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:09:07,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-13 15:09:07,222 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:09:07,222 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:09:07,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 15:09:07,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:09:09,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 188 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 15:09:09,892 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:09:38,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 188 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 15:09:38,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899503654] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:09:38,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:09:38,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 24, 22] total 59 [2024-11-13 15:09:38,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113308764] [2024-11-13 15:09:38,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:09:38,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-11-13 15:09:38,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:38,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-11-13 15:09:38,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=996, Invalid=2544, Unknown=0, NotChecked=0, Total=3540 [2024-11-13 15:09:38,785 INFO L87 Difference]: Start difference. First operand 262 states and 314 transitions. Second operand has 60 states, 59 states have (on average 5.067796610169491) internal successors, (299), 60 states have internal predecessors, (299), 24 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 24 states have call predecessors, (69), 24 states have call successors, (69) [2024-11-13 15:10:10,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:10:10,068 INFO L93 Difference]: Finished difference Result 487 states and 589 transitions. [2024-11-13 15:10:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-13 15:10:10,069 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 59 states have (on average 5.067796610169491) internal successors, (299), 60 states have internal predecessors, (299), 24 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 24 states have call predecessors, (69), 24 states have call successors, (69) Word has length 215 [2024-11-13 15:10:10,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:10:10,071 INFO L225 Difference]: With dead ends: 487 [2024-11-13 15:10:10,071 INFO L226 Difference]: Without dead ends: 486 [2024-11-13 15:10:10,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4622 ImplicationChecksByTransitivity, 31.2s TimeCoverageRelationStatistics Valid=3382, Invalid=11138, Unknown=0, NotChecked=0, Total=14520 [2024-11-13 15:10:10,074 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 726 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 3191 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 3432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 3191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:10:10,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 896 Invalid, 3432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 3191 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2024-11-13 15:10:10,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-11-13 15:10:10,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 443. [2024-11-13 15:10:10,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 379 states have (on average 1.0976253298153034) internal successors, (416), 382 states have internal predecessors, (416), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-13 15:10:10,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 534 transitions. [2024-11-13 15:10:10,193 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 534 transitions. Word has length 215 [2024-11-13 15:10:10,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:10:10,193 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 534 transitions. [2024-11-13 15:10:10,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 59 states have (on average 5.067796610169491) internal successors, (299), 60 states have internal predecessors, (299), 24 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 24 states have call predecessors, (69), 24 states have call successors, (69) [2024-11-13 15:10:10,194 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 534 transitions. [2024-11-13 15:10:10,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-13 15:10:10,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:10:10,194 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:10,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2024-11-13 15:10:10,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-11-13 15:10:10,395 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 15:10:10,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:10,395 INFO L85 PathProgramCache]: Analyzing trace with hash 699169998, now seen corresponding path program 3 times [2024-11-13 15:10:10,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:10,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702237117] [2024-11-13 15:10:10,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:10,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:10:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:10:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 15:10:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 15:10:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:10:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:10:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:10:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:10:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 15:10:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:10:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:10:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:10:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:10:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:10:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:10:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 15:10:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 15:10:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:10:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:10:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 15:10:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 15:10:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-13 15:10:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-13 15:10:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:11,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 15:10:11,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:11,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702237117] [2024-11-13 15:10:11,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702237117] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:10:11,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402321488] [2024-11-13 15:10:11,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 15:10:11,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:10:11,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:10:11,126 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:10:11,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-13 15:10:11,206 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-13 15:10:11,206 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:10:11,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 15:10:11,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:10:12,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 130 proven. 5 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2024-11-13 15:10:12,333 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:10:16,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402321488] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:10:16,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:10:16,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 27 [2024-11-13 15:10:16,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009818249] [2024-11-13 15:10:16,046 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:10:16,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 15:10:16,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:16,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 15:10:16,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1037, Unknown=0, NotChecked=0, Total=1190 [2024-11-13 15:10:16,046 INFO L87 Difference]: Start difference. First operand 443 states and 534 transitions. Second operand has 28 states, 27 states have (on average 6.0) internal successors, (162), 27 states have internal predecessors, (162), 8 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 9 states have call predecessors, (30), 8 states have call successors, (30) [2024-11-13 15:10:19,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:10:19,225 INFO L93 Difference]: Finished difference Result 490 states and 589 transitions. [2024-11-13 15:10:19,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-13 15:10:19,225 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 6.0) internal successors, (162), 27 states have internal predecessors, (162), 8 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 9 states have call predecessors, (30), 8 states have call successors, (30) Word has length 220 [2024-11-13 15:10:19,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:10:19,226 INFO L225 Difference]: With dead ends: 490 [2024-11-13 15:10:19,226 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 15:10:19,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 743 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=649, Invalid=3383, Unknown=0, NotChecked=0, Total=4032 [2024-11-13 15:10:19,227 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 320 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 1965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:10:19,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 733 Invalid, 1965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 15:10:19,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 15:10:19,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 15:10:19,228 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) [2024-11-13 15:10:19,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 15:10:19,228 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2024-11-13 15:10:19,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:10:19,228 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:10:19,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 6.0) internal successors, (162), 27 states have internal predecessors, (162), 8 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 9 states have call predecessors, (30), 8 states have call successors, (30) [2024-11-13 15:10:19,228 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 15:10:19,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 15:10:19,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2024-11-13 15:10:19,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2024-11-13 15:10:19,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2024-11-13 15:10:19,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2024-11-13 15:10:19,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2024-11-13 15:10:19,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2024-11-13 15:10:19,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2024-11-13 15:10:19,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2024-11-13 15:10:19,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2024-11-13 15:10:19,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2024-11-13 15:10:19,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2024-11-13 15:10:19,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2024-11-13 15:10:19,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2024-11-13 15:10:19,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2024-11-13 15:10:19,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2024-11-13 15:10:19,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2024-11-13 15:10:19,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2024-11-13 15:10:19,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2024-11-13 15:10:19,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2024-11-13 15:10:19,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2024-11-13 15:10:19,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2024-11-13 15:10:19,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2024-11-13 15:10:19,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2024-11-13 15:10:19,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2024-11-13 15:10:19,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2024-11-13 15:10:19,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2024-11-13 15:10:19,441 INFO L407 BasicCegarLoop]: Path program histogram: [5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:10:19,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 15:10:47,849 WARN L286 SmtUtils]: Spent 28.35s on a formula simplification. DAG size of input: 689 DAG size of output: 364 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-13 15:12:46,235 WARN L286 SmtUtils]: Spent 1.97m on a formula simplification. DAG size of input: 703 DAG size of output: 357 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-13 15:14:37,644 WARN L286 SmtUtils]: Spent 1.86m on a formula simplification. DAG size of input: 703 DAG size of output: 357 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-13 15:14:45,714 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:14:45,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:14:45 BoogieIcfgContainer [2024-11-13 15:14:45,752 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:14:45,753 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:14:45,753 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:14:45,754 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:14:45,754 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:05:55" (3/4) ... [2024-11-13 15:14:45,757 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:14:45,763 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 15:14:45,771 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-13 15:14:45,772 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 15:14:45,773 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 15:14:45,773 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:14:45,773 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:14:45,878 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:14:45,878 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:14:45,878 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:14:45,879 INFO L158 Benchmark]: Toolchain (without parser) took 531028.33ms. Allocated memory was 142.6MB in the beginning and 578.8MB in the end (delta: 436.2MB). Free memory was 118.3MB in the beginning and 476.7MB in the end (delta: -358.4MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. [2024-11-13 15:14:45,879 INFO L158 Benchmark]: CDTParser took 1.70ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:14:45,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.78ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 107.3MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:14:45,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.99ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 105.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:14:45,880 INFO L158 Benchmark]: Boogie Preprocessor took 34.51ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:14:45,883 INFO L158 Benchmark]: RCFGBuilder took 611.00ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 89.2MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:14:45,884 INFO L158 Benchmark]: TraceAbstraction took 529938.55ms. Allocated memory was 142.6MB in the beginning and 578.8MB in the end (delta: 436.2MB). Free memory was 88.6MB in the beginning and 481.0MB in the end (delta: -392.4MB). Peak memory consumption was 331.2MB. Max. memory is 16.1GB. [2024-11-13 15:14:45,884 INFO L158 Benchmark]: Witness Printer took 125.15ms. Allocated memory is still 578.8MB. Free memory was 481.0MB in the beginning and 476.7MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:14:45,885 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.70ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.78ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 107.3MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.99ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 105.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.51ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 611.00ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 89.2MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 529938.55ms. Allocated memory was 142.6MB in the beginning and 578.8MB in the end (delta: 436.2MB). Free memory was 88.6MB in the beginning and 481.0MB in the end (delta: -392.4MB). Peak memory consumption was 331.2MB. Max. memory is 16.1GB. * Witness Printer took 125.15ms. Allocated memory is still 578.8MB. Free memory was 481.0MB in the beginning and 476.7MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 74 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 263.5s, OverallIterations: 54, TraceHistogramMax: 23, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.1s, AutomataDifference: 97.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10607 SdHoareTripleChecker+Valid, 46.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10428 mSDsluCounter, 17788 SdHoareTripleChecker+Invalid, 42.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14711 mSDsCounter, 2045 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35267 IncrementalHoareTripleChecker+Invalid, 37312 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2045 mSolverCounterUnsat, 3077 mSDtfsCounter, 35267 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9474 GetRequests, 8274 SyntacticMatches, 23 SemanticMatches, 1177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15359 ImplicationChecksByTransitivity, 114.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=855occurred in iteration=46, InterpolantAutomatonStates: 790, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 54 MinimizatonAttempts, 2988 StatesRemovedByMinimization, 48 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 148.5s InterpolantComputationTime, 11484 NumberOfCodeBlocks, 10739 NumberOfCodeBlocksAsserted, 126 NumberOfCheckSat, 11825 ConstructedInterpolants, 0 QuantifiedInterpolants, 79039 SizeOfPredicates, 73 NumberOfNonLiveVariables, 9875 ConjunctsInSsa, 689 ConjunctsInUnsatCore, 96 InterpolantComputations, 23 PerfectInterpolantSequences, 41278/45954 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (((((((((((((((((d == 1) && (1 <= q)) && (p == 1)) && (r == 0)) && (B == 1)) && (q <= 2147483647)) && (A <= 10)) && (0 <= A)) || ((((((((16 == d) && (16 == p)) && (q == 0)) && (B == 1)) && (A <= 10)) && (0 <= A)) && (r <= 10)) && (8 <= r))) || (((((((((d == 1) && (1 <= p)) && (r == 0)) && (0 <= q)) && (q <= 10)) && (p <= 2147483647)) && (B == 1)) && (A <= 10)) && (0 <= A))) || ((((((((2 <= q) && (2 == p)) && (r == 0)) && (q <= 10)) && (B == 1)) && (A <= 10)) && (0 <= A)) && (2 == d))) || ((((((((p == 4) && (2 <= r)) && (q == 0)) && (r <= 3)) && (d == 4)) && (B == 1)) && (A <= 10)) && (0 <= A))) || ((((((((p == 8) && (d == 8)) && (q == 8)) && (r <= 2)) && (0 <= r)) && (B == 1)) && (A <= 10)) && (0 <= A))) || (((((((p == 8) && (d == 8)) && (q == 0)) && (A == r)) && (B == 1)) && (4 <= r)) && (r <= 7))) || (((((((p == 4) && (A == ((long long) r + 4))) && (0 <= r)) && (r <= 3)) && (q == 4)) && (d == 4)) && (B == 1))) || ((((((((((p == 4) && (q <= 8)) && (r <= 2)) && (0 <= r)) && (0 <= q)) && (d == 4)) && (0 <= (((long long) q + r) + 2147483648))) && (B == 1)) && (A <= 10)) && (0 <= A))) || (((((((((((q <= 8) && (2 == p)) && (0 <= r)) && (0 <= q)) && (0 <= (((long long) q + r) + 2147483648))) && (A <= 10)) && (0 <= A)) || ((((((p == 1) && (q <= 8)) && (0 <= r)) && (0 <= q)) && (A <= 10)) && (0 <= A))) && (r <= 1)) && (B == 1)) && (2 == d))) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((((((((((((16 == d) && (16 == p)) && (q == 0)) && (B == 1)) && (A <= 10)) && (0 <= A)) && (r <= 10)) && (8 <= r)) || (((((((p == 8) && (d == 8)) && (q == 0)) && (A == r)) && (B == 1)) && (r <= 10)) && (4 <= r))) || (((((((d == 1) && (p == 1)) && (q == 0)) && (A == r)) && (B == 1)) && (0 <= A)) && (r <= 10))) || (((((((p == 4) && (2 <= r)) && (q == 0)) && (A == r)) && (d == 4)) && (B == 1)) && (r <= 10))) || (((((((2 == p) && (q == 0)) && (A == r)) && (B == 1)) && (0 <= A)) && (r <= 10)) && (2 == d))) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-13 15:14:46,098 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-13 15:14:46,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26e987b-0c54-43de-9aab-e9bbec8414a2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE