./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20832c4ec3f8ccecbcf7cfcec0aecbbc925bfb9e6d8397db46b5825bb40681b3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:19:09,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:19:10,058 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-13 12:19:10,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:19:10,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:19:10,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:19:10,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:19:10,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:19:10,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:19:10,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:19:10,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:19:10,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:19:10,098 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:19:10,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:19:10,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:19:10,098 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:19:10,098 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:19:10,098 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:19:10,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:19:10,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:19:10,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:19:10,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:19:10,099 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:19:10,099 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:19:10,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:19:10,099 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:19:10,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:19:10,100 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:19:10,100 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:19:10,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:19:10,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:19:10,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:19:10,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:19:10,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:19:10,101 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:19:10,101 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-13 12:19:10,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:19:10,101 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:19:10,102 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 12:19:10,102 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 12:19:10,102 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 12:19:10,102 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F 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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter 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 -> 20832c4ec3f8ccecbcf7cfcec0aecbbc925bfb9e6d8397db46b5825bb40681b3 [2024-11-13 12:19:10,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:19:10,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:19:10,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:19:10,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:19:10,532 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:19:10,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/../../sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c Unable to find full path for "g++" [2024-11-13 12:19:12,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:19:12,942 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:19:12,942 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c [2024-11-13 12:19:12,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/data/a7970d2ee/30fdd86e60084789bfdf68993773cbde/FLAG49f24c072 [2024-11-13 12:19:12,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/data/a7970d2ee/30fdd86e60084789bfdf68993773cbde [2024-11-13 12:19:12,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:19:12,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:19:12,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:19:12,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:19:12,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:19:12,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:19:12" (1/1) ... [2024-11-13 12:19:12,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4eca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:19:12, skipping insertion in model container [2024-11-13 12:19:12,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:19:12" (1/1) ... [2024-11-13 12:19:13,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:19:13,269 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c[2451,2464] [2024-11-13 12:19:13,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:19:13,296 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:19:13,325 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c[2451,2464] [2024-11-13 12:19:13,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:19:13,350 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:19:13,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:19:13 WrapperNode [2024-11-13 12:19:13,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:19:13,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:19:13,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:19:13,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:19:13,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:19:13" (1/1) ... [2024-11-13 12:19:13,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:19:13" (1/1) ... [2024-11-13 12:19:13,400 INFO L138 Inliner]: procedures = 25, calls = 30, calls flagged for inlining = 15, calls inlined = 27, statements flattened = 259 [2024-11-13 12:19:13,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:19:13,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:19:13,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:19:13,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:19:13,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:19:13" (1/1) ... [2024-11-13 12:19:13,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:19:13" (1/1) ... [2024-11-13 12:19:13,416 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:19:13" (1/1) ... [2024-11-13 12:19:13,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:19:13" (1/1) ... [2024-11-13 12:19:13,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:19:13" (1/1) ... [2024-11-13 12:19:13,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:19:13" (1/1) ... [2024-11-13 12:19:13,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:19:13" (1/1) ... [2024-11-13 12:19:13,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:19:13" (1/1) ... [2024-11-13 12:19:13,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:19:13,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:19:13,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:19:13,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:19:13,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:19:13" (1/1) ... [2024-11-13 12:19:13,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:19:13,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:19:13,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 12:19:13,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 12:19:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:19:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 12:19:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 12:19:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 12:19:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 12:19:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 12:19:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 12:19:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 12:19:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 12:19:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 12:19:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:19:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:19:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 12:19:13,541 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 12:19:13,724 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:19:13,728 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:19:14,467 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 12:19:14,470 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:19:15,061 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:19:15,062 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-13 12:19:15,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:19:15 BoogieIcfgContainer [2024-11-13 12:19:15,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:19:15,066 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:19:15,066 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:19:15,071 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:19:15,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:19:12" (1/3) ... [2024-11-13 12:19:15,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d458c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:19:15, skipping insertion in model container [2024-11-13 12:19:15,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:19:13" (2/3) ... [2024-11-13 12:19:15,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d458c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:19:15, skipping insertion in model container [2024-11-13 12:19:15,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:19:15" (3/3) ... [2024-11-13 12:19:15,076 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-three-array-sum-alt.wvr.c [2024-11-13 12:19:15,096 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:19:15,098 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-three-array-sum-alt.wvr.c that has 4 procedures, 26 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-11-13 12:19:15,099 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 12:19:15,196 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-13 12:19:15,262 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:19:15,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-13 12:19:15,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:19:15,268 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-13 12:19:15,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-13 12:19:15,297 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 12:19:15,311 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-13 12:19:15,321 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=PARTIAL_ORDER_FA, 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;@6ba75588, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:19:15,322 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-13 12:19:17,240 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 12:19:17,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:19:17,246 INFO L85 PathProgramCache]: Analyzing trace with hash -402273360, now seen corresponding path program 1 times [2024-11-13 12:19:17,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:19:17,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964647423] [2024-11-13 12:19:17,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:19:17,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:19:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:19:18,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:19:18,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:19:18,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964647423] [2024-11-13 12:19:18,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964647423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:19:18,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:19:18,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:19:18,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880527589] [2024-11-13 12:19:18,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:19:18,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:19:18,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:19:18,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:19:18,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:19:18,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:18,124 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:19:18,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 12:19:18,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:18,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:18,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:19:18,281 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 12:19:18,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:19:18,282 INFO L85 PathProgramCache]: Analyzing trace with hash -425595105, now seen corresponding path program 1 times [2024-11-13 12:19:18,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:19:18,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901342402] [2024-11-13 12:19:18,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:19:18,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:19:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:19:18,637 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:19:18,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:19:18,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901342402] [2024-11-13 12:19:18,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901342402] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:19:18,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967201269] [2024-11-13 12:19:18,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:19:18,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:19:18,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:19:18,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:19:18,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 12:19:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:19:18,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 12:19:18,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:19:18,957 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:19:18,957 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:19:19,036 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 12:19:19,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967201269] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 12:19:19,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 12:19:19,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2024-11-13 12:19:19,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062953876] [2024-11-13 12:19:19,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:19:19,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:19:19,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:19:19,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:19:19,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-13 12:19:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:19,041 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:19:19,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 12:19:19,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:19,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:21,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:21,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:21,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 12:19:21,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-13 12:19:21,600 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 12:19:21,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:19:21,600 INFO L85 PathProgramCache]: Analyzing trace with hash -486862672, now seen corresponding path program 1 times [2024-11-13 12:19:21,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:19:21,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857153175] [2024-11-13 12:19:21,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:19:21,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:19:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:19:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:19:22,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:19:22,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857153175] [2024-11-13 12:19:22,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857153175] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:19:22,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440136889] [2024-11-13 12:19:22,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:19:22,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:19:22,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:19:22,072 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:19:22,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 12:19:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:19:22,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 12:19:22,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:19:22,362 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 12:19:22,362 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:19:22,470 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 12:19:22,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440136889] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:19:22,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:19:22,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2024-11-13 12:19:22,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213145504] [2024-11-13 12:19:22,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:19:22,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 12:19:22,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:19:22,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 12:19:22,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-13 12:19:22,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:22,472 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:19:22,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 14 states have internal predecessors, (61), 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 12:19:22,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:22,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:22,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:22,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:22,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:22,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:19:22,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 12:19:22,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:19:22,868 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 12:19:22,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:19:22,869 INFO L85 PathProgramCache]: Analyzing trace with hash -240382689, now seen corresponding path program 2 times [2024-11-13 12:19:22,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:19:22,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274145122] [2024-11-13 12:19:22,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:19:22,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:19:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:19:23,192 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 12:19:23,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:19:23,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274145122] [2024-11-13 12:19:23,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274145122] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:19:23,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200610334] [2024-11-13 12:19:23,194 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:19:23,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:19:23,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:19:23,197 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:19:23,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 12:19:23,368 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:19:23,368 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:19:23,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 12:19:23,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:19:23,512 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:19:23,512 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:19:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 12:19:23,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200610334] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:19:23,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:19:23,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 17 [2024-11-13 12:19:23,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141962209] [2024-11-13 12:19:23,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:19:23,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 12:19:23,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:19:23,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 12:19:23,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2024-11-13 12:19:23,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:23,655 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:19:23,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 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 12:19:23,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:23,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:23,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:19:23,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:30,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:30,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:30,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:19:30,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 12:19:30,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 12:19:30,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:19:30,340 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 12:19:30,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:19:30,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1192937694, now seen corresponding path program 3 times [2024-11-13 12:19:30,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:19:30,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169498019] [2024-11-13 12:19:30,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:19:30,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:19:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:19:31,605 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 12:19:31,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:19:31,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169498019] [2024-11-13 12:19:31,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169498019] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:19:31,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219451602] [2024-11-13 12:19:31,606 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:19:31,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:19:31,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:19:31,608 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:19:31,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 12:19:31,837 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-13 12:19:31,837 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:19:31,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 12:19:31,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:19:32,040 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 12:19:32,040 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:19:32,235 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 12:19:32,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219451602] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:19:32,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:19:32,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 8, 8] total 33 [2024-11-13 12:19:32,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443792038] [2024-11-13 12:19:32,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:19:32,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-13 12:19:32,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:19:32,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-13 12:19:32,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=963, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 12:19:32,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:32,238 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:19:32,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.323529411764706) internal successors, (79), 33 states have internal predecessors, (79), 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 12:19:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:32,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:32,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:19:32,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 12:19:32,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:19:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 12:19:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:19:32,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 12:19:32,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:19:32,730 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 12:19:32,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:19:32,730 INFO L85 PathProgramCache]: Analyzing trace with hash -846179121, now seen corresponding path program 4 times [2024-11-13 12:19:32,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:19:32,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829525043] [2024-11-13 12:19:32,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:19:32,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:19:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:19:33,266 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 27 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 12:19:33,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:19:33,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829525043] [2024-11-13 12:19:33,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829525043] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:19:33,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703890005] [2024-11-13 12:19:33,266 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 12:19:33,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:19:33,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:19:33,269 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:19:33,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 12:19:33,470 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 12:19:33,470 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:19:33,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 12:19:33,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:19:33,741 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 12:19:33,742 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:19:34,021 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 12:19:34,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703890005] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:19:34,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:19:34,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2024-11-13 12:19:34,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807518618] [2024-11-13 12:19:34,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:19:34,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-13 12:19:34,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:19:34,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-13 12:19:34,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=546, Unknown=0, NotChecked=0, Total=702 [2024-11-13 12:19:34,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:34,028 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:19:34,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.1481481481481484) internal successors, (85), 26 states have internal predecessors, (85), 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 12:19:34,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:34,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:34,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:19:34,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 12:19:34,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:19:34,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:34,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:34,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:34,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:19:34,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 12:19:34,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:19:34,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:19:34,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-13 12:19:34,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:19:34,522 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 12:19:34,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:19:34,522 INFO L85 PathProgramCache]: Analyzing trace with hash 590090110, now seen corresponding path program 5 times [2024-11-13 12:19:34,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:19:34,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801937553] [2024-11-13 12:19:34,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:19:34,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:19:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:19:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 32 proven. 19 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 12:19:35,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:19:35,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801937553] [2024-11-13 12:19:35,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801937553] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:19:35,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032909506] [2024-11-13 12:19:35,181 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 12:19:35,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:19:35,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:19:35,184 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:19:35,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 12:19:36,473 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-11-13 12:19:36,473 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:19:36,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 12:19:36,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:19:36,733 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 12:19:36,733 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:19:36,852 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 12:19:36,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032909506] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:19:36,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:19:36,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 7] total 31 [2024-11-13 12:19:36,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629442946] [2024-11-13 12:19:36,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:19:36,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-13 12:19:36,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:19:36,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-13 12:19:36,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=786, Unknown=0, NotChecked=0, Total=930 [2024-11-13 12:19:36,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:36,855 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:19:36,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.870967741935484) internal successors, (89), 31 states have internal predecessors, (89), 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 12:19:36,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:36,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:36,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:19:36,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 12:19:36,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:19:36,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:19:36,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:42,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:42,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:42,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:19:42,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 12:19:42,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:19:42,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:19:42,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:19:42,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 12:19:42,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:19:42,291 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 12:19:42,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:19:42,291 INFO L85 PathProgramCache]: Analyzing trace with hash 2067036738, now seen corresponding path program 6 times [2024-11-13 12:19:42,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:19:42,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308364884] [2024-11-13 12:19:42,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:19:42,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:19:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:19:42,942 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 40 proven. 25 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-13 12:19:42,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:19:42,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308364884] [2024-11-13 12:19:42,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308364884] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:19:42,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001255149] [2024-11-13 12:19:42,943 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 12:19:42,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:19:42,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:19:42,945 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:19:42,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 12:19:43,628 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-13 12:19:43,628 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:19:43,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 12:19:43,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:19:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 50 proven. 15 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-13 12:19:44,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:19:44,334 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 50 proven. 15 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-13 12:19:44,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001255149] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:19:44,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:19:44,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2024-11-13 12:19:44,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874530639] [2024-11-13 12:19:44,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:19:44,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-13 12:19:44,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:19:44,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-13 12:19:44,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=836, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 12:19:44,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:44,337 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:19:44,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.5588235294117645) internal successors, (87), 33 states have internal predecessors, (87), 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 12:19:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:19:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 12:19:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:19:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:19:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:19:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:44,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:44,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:44,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:19:44,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 12:19:44,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:19:44,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:19:44,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:19:44,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:19:44,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 12:19:44,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:19:44,900 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 12:19:44,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:19:44,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1886683761, now seen corresponding path program 7 times [2024-11-13 12:19:44,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:19:44,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610024626] [2024-11-13 12:19:44,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:19:44,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:19:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:19:45,550 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 12:19:45,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:19:45,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610024626] [2024-11-13 12:19:45,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610024626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:19:45,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566036016] [2024-11-13 12:19:45,551 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-13 12:19:45,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:19:45,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:19:45,554 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:19:45,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 12:19:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:19:45,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 12:19:45,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:19:46,183 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 33 proven. 37 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 12:19:46,183 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:19:46,444 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 39 proven. 31 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 12:19:46,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566036016] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:19:46,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:19:46,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2024-11-13 12:19:46,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368949554] [2024-11-13 12:19:46,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:19:46,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-13 12:19:46,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:19:46,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-13 12:19:46,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=841, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 12:19:46,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:46,449 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 12:19:46,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.676470588235294) internal successors, (91), 33 states have internal predecessors, (91), 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 12:19:46,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:46,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:46,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:19:46,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 12:19:46,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:19:46,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:19:46,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:19:46,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:19:46,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:19:52,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:52,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:19:52,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:19:52,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 12:19:52,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:19:52,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:19:52,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 12:19:52,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:19:52,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:19:52,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 12:19:52,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-13 12:19:52,374 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 12:19:52,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:19:52,374 INFO L85 PathProgramCache]: Analyzing trace with hash -731368048, now seen corresponding path program 8 times [2024-11-13 12:19:52,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:19:52,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678623759] [2024-11-13 12:19:52,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:19:52,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:19:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:20:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 1 proven. 104 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 12:20:06,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:20:06,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678623759] [2024-11-13 12:20:06,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678623759] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:20:06,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722839811] [2024-11-13 12:20:06,824 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:20:06,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:20:06,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:20:06,826 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:20:06,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649d5c19-c386-41a6-ad50-822bb57c826e/bin/ugemcutter-verify-yV71Fz5F0F/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 12:20:07,084 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:20:07,084 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:20:07,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 161 conjuncts are in the unsatisfiable core [2024-11-13 12:20:07,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:20:08,425 INFO L349 Elim1Store]: treesize reduction 36, result has 52.0 percent of original size [2024-11-13 12:20:08,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 54 [2024-11-13 12:20:09,330 INFO L349 Elim1Store]: treesize reduction 132, result has 35.6 percent of original size [2024-11-13 12:20:09,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 129 treesize of output 152 [2024-11-13 12:20:11,387 INFO L349 Elim1Store]: treesize reduction 370, result has 27.6 percent of original size [2024-11-13 12:20:11,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 53 case distinctions, treesize of input 311 treesize of output 317 [2024-11-13 12:20:18,061 INFO L349 Elim1Store]: treesize reduction 734, result has 22.9 percent of original size [2024-11-13 12:20:18,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 15 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 133 case distinctions, treesize of input 684 treesize of output 548 [2024-11-13 12:20:33,591 INFO L349 Elim1Store]: treesize reduction 1152, result has 19.7 percent of original size [2024-11-13 12:20:33,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 21 select indices, 21 select index equivalence classes, 28 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 227 case distinctions, treesize of input 1401 treesize of output 852 [2024-11-13 12:21:02,944 INFO L349 Elim1Store]: treesize reduction 640, result has 51.1 percent of original size [2024-11-13 12:21:02,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 26 select indices, 26 select index equivalence classes, 45 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 1746 treesize of output 1308 [2024-11-13 12:27:32,536 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 12:27:32,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:27:42,091 WARN L851 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~C~0.base Int)) (let ((.cse4 (* |c_thread3Thread1of1ForFork1_~i~2#1| 4))) (let ((.cse2 (select (select |c_#memory_int| c_~B~0.base) (+ .cse4 c_~B~0.offset))) (.cse10 (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse4)))) (let ((.cse30 (store (select |c_#memory_int| ~C~0.base) (+ .cse4 ~C~0.offset) (+ .cse2 .cse10)))) (let ((.cse31 (store |c_#memory_int| ~C~0.base .cse30))) (let ((.cse17 (select .cse31 c_~A~0.base)) (.cse20 (select .cse31 c_~B~0.base))) (let ((.cse1 (select .cse20 (+ .cse4 4 c_~B~0.offset))) (.cse6 (select .cse17 (+ c_~A~0.offset .cse4 4)))) (let ((.cse28 (store .cse30 (+ .cse4 ~C~0.offset 4) (+ .cse1 .cse6)))) (let ((.cse29 (store |c_#memory_int| ~C~0.base .cse28))) (let ((.cse16 (select .cse29 c_~B~0.base)) (.cse22 (select .cse29 c_~A~0.base))) (let ((.cse8 (select .cse22 (+ c_~A~0.offset .cse4 8))) (.cse12 (select .cse16 (+ .cse4 8 c_~B~0.offset)))) (let ((.cse26 (store .cse28 (+ .cse4 ~C~0.offset 8) (+ .cse8 .cse12)))) (let ((.cse27 (store |c_#memory_int| ~C~0.base .cse26))) (let ((.cse21 (select .cse27 c_~B~0.base)) (.cse19 (select .cse27 c_~A~0.base))) (let ((.cse7 (select .cse19 (+ c_~A~0.offset .cse4 12))) (.cse9 (select .cse21 (+ .cse4 12 c_~B~0.offset)))) (let ((.cse24 (store .cse26 (+ .cse4 ~C~0.offset 12) (+ .cse7 .cse9)))) (let ((.cse25 (store |c_#memory_int| ~C~0.base .cse24))) (let ((.cse14 (select .cse25 c_~A~0.base)) (.cse18 (select .cse25 c_~B~0.base))) (let ((.cse0 (select .cse18 (+ .cse4 16 c_~B~0.offset))) (.cse5 (select .cse14 (+ c_~A~0.offset .cse4 16)))) (let ((.cse23 (store |c_#memory_int| ~C~0.base (store .cse24 (+ .cse4 ~C~0.offset 16) (+ .cse0 .cse5))))) (let ((.cse3 (select .cse23 c_~B~0.base)) (.cse11 (select .cse23 c_~A~0.base))) (= (+ .cse0 .cse1 .cse2 (select .cse3 (+ .cse4 20 c_~B~0.offset)) .cse5 .cse6 c_~csum~0 .cse7 .cse8 .cse9 .cse10 (select .cse11 (+ c_~A~0.offset .cse4 20)) .cse12) (let ((.cse13 (* |c_thread2Thread1of1ForFork0_~i~1#1| 4)) (.cse15 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (+ (select .cse3 (+ .cse13 16 c_~B~0.offset)) (select .cse14 (+ c_~A~0.offset 12 .cse15)) (select .cse16 (+ .cse13 4 c_~B~0.offset)) (select .cse17 (+ c_~A~0.offset .cse15)) (select .cse18 (+ .cse13 12 c_~B~0.offset)) (select .cse19 (+ c_~A~0.offset 8 .cse15)) (select .cse11 (+ c_~A~0.offset 16 .cse15)) c_~asum~0 c_~bsum~0 (select .cse20 (+ .cse13 c_~B~0.offset)) (select .cse21 (+ .cse13 8 c_~B~0.offset)) (select .cse22 (+ c_~A~0.offset 4 .cse15)))))))))))))))))))))))))) is different from false [2024-11-13 12:27:44,550 WARN L851 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~B~0.base Int) (~C~0.base Int)) (let ((.cse16 (select |c_#memory_int| ~B~0.base)) (.cse5 (* |c_thread3Thread1of1ForFork1_~i~2#1| 4))) (let ((.cse10 (select .cse16 (+ .cse5 c_~B~0.offset))) (.cse12 (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse5)))) (let ((.cse31 (store (select |c_#memory_int| ~C~0.base) (+ .cse5 ~C~0.offset) (+ .cse10 .cse12)))) (let ((.cse32 (store |c_#memory_int| ~C~0.base .cse31))) (let ((.cse22 (select .cse32 ~B~0.base)) (.cse20 (select .cse32 c_~A~0.base))) (let ((.cse9 (select .cse20 (+ c_~A~0.offset .cse5 4))) (.cse11 (select .cse22 (+ .cse5 4 c_~B~0.offset)))) (let ((.cse29 (store .cse31 (+ .cse5 ~C~0.offset 4) (+ .cse9 .cse11)))) (let ((.cse30 (store |c_#memory_int| ~C~0.base .cse29))) (let ((.cse19 (select .cse30 ~B~0.base)) (.cse18 (select .cse30 c_~A~0.base))) (let ((.cse2 (select .cse18 (+ c_~A~0.offset .cse5 8))) (.cse7 (select .cse19 (+ .cse5 8 c_~B~0.offset)))) (let ((.cse27 (store .cse29 (+ .cse5 ~C~0.offset 8) (+ .cse2 .cse7)))) (let ((.cse28 (store |c_#memory_int| ~C~0.base .cse27))) (let ((.cse17 (select .cse28 c_~A~0.base)) (.cse13 (select .cse28 ~B~0.base))) (let ((.cse0 (select .cse13 (+ .cse5 12 c_~B~0.offset))) (.cse6 (select .cse17 (+ c_~A~0.offset .cse5 12)))) (let ((.cse25 (store .cse27 (+ .cse5 ~C~0.offset 12) (+ .cse0 .cse6)))) (let ((.cse26 (store |c_#memory_int| ~C~0.base .cse25))) (let ((.cse21 (select .cse26 c_~A~0.base)) (.cse23 (select .cse26 ~B~0.base))) (let ((.cse1 (select .cse23 (+ .cse5 16 c_~B~0.offset))) (.cse3 (select .cse21 (+ c_~A~0.offset .cse5 16)))) (let ((.cse24 (store |c_#memory_int| ~C~0.base (store .cse25 (+ .cse5 ~C~0.offset 16) (+ .cse1 .cse3))))) (let ((.cse4 (select .cse24 c_~A~0.base)) (.cse8 (select .cse24 ~B~0.base))) (= (+ .cse0 .cse1 .cse2 .cse3 (select .cse4 (+ c_~A~0.offset .cse5 20)) .cse6 .cse7 c_~csum~0 (select .cse8 (+ .cse5 20 c_~B~0.offset)) .cse9 .cse10 .cse11 .cse12) (let ((.cse15 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4)) (.cse14 (* |c_thread2Thread1of1ForFork0_~i~1#1| 4))) (+ (select .cse13 (+ .cse14 12 c_~B~0.offset)) (select .cse4 (+ c_~A~0.offset 16 .cse15)) (select .cse16 (+ .cse14 c_~B~0.offset)) (select .cse17 (+ c_~A~0.offset 8 .cse15)) (select .cse18 (+ c_~A~0.offset 4 .cse15)) c_~asum~0 c_~bsum~0 (select .cse19 (+ .cse14 8 c_~B~0.offset)) (select .cse20 (+ c_~A~0.offset .cse15)) (select .cse21 (+ c_~A~0.offset 12 .cse15)) (select .cse8 (+ .cse14 20 c_~B~0.offset)) (select .cse22 (+ .cse14 4 c_~B~0.offset)) (select .cse23 (+ .cse14 16 c_~B~0.offset)))))))))))))))))))))))))) is different from false