./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-complex/safestack_relacy.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-complex/safestack_relacy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --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 1d61eb304445c3cb39dfadfa4748d680ea5f0f4958f8bc176e8bc3c77c47e674 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 09:43:05,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:43:05,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:43:05,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:43:05,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:43:05,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:43:05,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:43:05,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:43:05,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:43:05,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:43:05,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:43:05,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:43:05,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:43:05,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:43:05,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:43:05,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:43:05,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:43:05,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:43:05,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:43:05,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:43:05,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:43:05,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:43:05,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:43:05,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:43:05,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:43:05,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:43:05,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:43:05,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:43:05,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:43:05,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:43:05,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:43:05,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:43:05,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:43:05,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:43:05,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:43:05,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:43:05,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:43:05,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:43:05,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:43:05,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:43:05,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:43:05,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-12-13 09:43:05,124 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:43:05,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:43:05,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 09:43:05,124 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 09:43:05,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 09:43:05,125 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 09:43:05,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:43:05,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:43:05,126 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:43:05,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:43:05,126 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:43:05,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:43:05,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:43:05,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:43:05,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 09:43:05,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:43:05,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 09:43:05,127 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:43:05,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 09:43:05,128 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:43:05,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 09:43:05,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:43:05,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:43:05,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:43:05,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:43:05,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:43:05,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:43:05,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 09:43:05,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 09:43:05,129 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-12-13 09:43:05,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 09:43:05,130 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 09:43:05,130 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 09:43:05,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 09:43:05,130 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 09:43:05,130 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 09:43:05,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d61eb304445c3cb39dfadfa4748d680ea5f0f4958f8bc176e8bc3c77c47e674 [2022-12-13 09:43:05,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:43:05,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:43:05,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:43:05,314 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:43:05,314 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:43:05,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/pthread-complex/safestack_relacy.i [2022-12-13 09:43:07,820 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:43:08,043 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:43:08,044 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/sv-benchmarks/c/pthread-complex/safestack_relacy.i [2022-12-13 09:43:08,056 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/data/0456db532/04d9a507ff704882b93ff5634ae9d341/FLAG88d787739 [2022-12-13 09:43:08,370 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/data/0456db532/04d9a507ff704882b93ff5634ae9d341 [2022-12-13 09:43:08,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:43:08,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 09:43:08,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:43:08,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:43:08,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:43:08,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:43:08" (1/1) ... [2022-12-13 09:43:08,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@580e5d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:08, skipping insertion in model container [2022-12-13 09:43:08,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:43:08" (1/1) ... [2022-12-13 09:43:08,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:43:08,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:43:08,836 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:43:08,837 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:43:08,839 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:43:08,840 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:43:08,841 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:43:08,842 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:43:08,843 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:43:08,844 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:43:08,845 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:43:08,845 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:43:08,858 WARN L237 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_f22c83b6-81ba-40df-992c-829e2d1bbba5/sv-benchmarks/c/pthread-complex/safestack_relacy.i[78860,78873] [2022-12-13 09:43:08,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:43:08,872 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 09:43:08,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:43:08,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:43:08,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:43:08,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:43:08,907 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:43:08,908 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:43:08,908 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:43:08,908 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:43:08,909 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:43:08,909 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:43:08,916 WARN L237 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_f22c83b6-81ba-40df-992c-829e2d1bbba5/sv-benchmarks/c/pthread-complex/safestack_relacy.i[78860,78873] [2022-12-13 09:43:08,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:43:09,020 INFO L208 MainTranslator]: Completed translation [2022-12-13 09:43:09,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:09 WrapperNode [2022-12-13 09:43:09,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:43:09,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 09:43:09,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 09:43:09,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 09:43:09,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:09" (1/1) ... [2022-12-13 09:43:09,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:09" (1/1) ... [2022-12-13 09:43:09,063 INFO L138 Inliner]: procedures = 481, calls = 74, calls flagged for inlining = 19, calls inlined = 19, statements flattened = 283 [2022-12-13 09:43:09,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 09:43:09,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 09:43:09,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 09:43:09,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 09:43:09,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:09" (1/1) ... [2022-12-13 09:43:09,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:09" (1/1) ... [2022-12-13 09:43:09,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:09" (1/1) ... [2022-12-13 09:43:09,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:09" (1/1) ... [2022-12-13 09:43:09,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:09" (1/1) ... [2022-12-13 09:43:09,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:09" (1/1) ... [2022-12-13 09:43:09,100 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:09" (1/1) ... [2022-12-13 09:43:09,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:09" (1/1) ... [2022-12-13 09:43:09,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 09:43:09,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 09:43:09,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 09:43:09,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 09:43:09,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:09" (1/1) ... [2022-12-13 09:43:09,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:43:09,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:43:09,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 09:43:09,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 09:43:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 09:43:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 09:43:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 09:43:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 09:43:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 09:43:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2022-12-13 09:43:09,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2022-12-13 09:43:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 09:43:09,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 09:43:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 09:43:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 09:43:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 09:43:09,176 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 09:43:09,406 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 09:43:09,408 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 09:43:09,701 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 09:43:09,737 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 09:43:09,737 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-12-13 09:43:09,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:43:09 BoogieIcfgContainer [2022-12-13 09:43:09,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 09:43:09,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 09:43:09,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 09:43:09,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 09:43:09,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:43:08" (1/3) ... [2022-12-13 09:43:09,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47129588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:43:09, skipping insertion in model container [2022-12-13 09:43:09,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:09" (2/3) ... [2022-12-13 09:43:09,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47129588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:43:09, skipping insertion in model container [2022-12-13 09:43:09,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:43:09" (3/3) ... [2022-12-13 09:43:09,746 INFO L112 eAbstractionObserver]: Analyzing ICFG safestack_relacy.i [2022-12-13 09:43:09,752 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 09:43:09,759 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 09:43:09,759 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 09:43:09,759 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 09:43:09,822 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 09:43:09,856 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:43:09,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:43:09,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:43:09,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:43:09,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 09:43:09,894 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:43:09,907 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread1of1ForFork0 ======== [2022-12-13 09:43:09,912 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@45acfcd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:43:09,912 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 09:43:10,049 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:43:10,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:43:10,053 INFO L85 PathProgramCache]: Analyzing trace with hash 902941695, now seen corresponding path program 1 times [2022-12-13 09:43:10,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:43:10,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744731475] [2022-12-13 09:43:10,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:10,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:43:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:10,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 09:43:10,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:43:10,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744731475] [2022-12-13 09:43:10,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744731475] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:43:10,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:43:10,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 09:43:10,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935621684] [2022-12-13 09:43:10,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:43:10,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 09:43:10,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:43:10,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 09:43:10,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 09:43:10,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:10,554 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:43:10,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 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) [2022-12-13 09:43:10,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:10,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:10,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 09:43:10,626 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:43:10,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:43:10,627 INFO L85 PathProgramCache]: Analyzing trace with hash -761457818, now seen corresponding path program 1 times [2022-12-13 09:43:10,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:43:10,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391992239] [2022-12-13 09:43:10,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:10,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:43:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:10,799 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 09:43:10,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:43:10,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391992239] [2022-12-13 09:43:10,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391992239] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:43:10,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:43:10,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 09:43:10,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582329086] [2022-12-13 09:43:10,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:43:10,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 09:43:10,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:43:10,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 09:43:10,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 09:43:10,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:10,804 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:43:10,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 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) [2022-12-13 09:43:10,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:10,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:11,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:11,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:11,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 09:43:11,480 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:43:11,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:43:11,481 INFO L85 PathProgramCache]: Analyzing trace with hash 310207272, now seen corresponding path program 2 times [2022-12-13 09:43:11,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:43:11,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245003936] [2022-12-13 09:43:11,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:11,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:43:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:11,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 09:43:11,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:43:11,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245003936] [2022-12-13 09:43:11,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245003936] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:43:11,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699629787] [2022-12-13 09:43:11,797 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 09:43:11,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:43:11,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:43:11,831 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:43:11,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 09:43:11,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 09:43:11,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:43:11,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 09:43:11,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:43:12,023 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 09:43:12,023 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:43:12,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699629787] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:43:12,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 09:43:12,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-12-13 09:43:12,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427316535] [2022-12-13 09:43:12,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:43:12,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 09:43:12,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:43:12,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 09:43:12,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-13 09:43:12,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:12,026 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:43:12,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 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) [2022-12-13 09:43:12,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:12,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:12,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:12,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:12,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:12,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:43:12,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 09:43:12,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:43:12,362 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:43:12,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:43:12,363 INFO L85 PathProgramCache]: Analyzing trace with hash 2122356391, now seen corresponding path program 1 times [2022-12-13 09:43:12,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:43:12,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804455901] [2022-12-13 09:43:12,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:12,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:43:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:13,205 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 09:43:13,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:43:13,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804455901] [2022-12-13 09:43:13,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804455901] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:43:13,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025487866] [2022-12-13 09:43:13,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:13,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:43:13,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:43:13,207 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:43:13,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 09:43:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:13,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 09:43:13,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:43:13,516 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 09:43:13,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:43:13,623 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 09:43:13,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025487866] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:43:13,624 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:43:13,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 21 [2022-12-13 09:43:13,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579166127] [2022-12-13 09:43:13,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:43:13,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-13 09:43:13,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:43:13,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-13 09:43:13,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2022-12-13 09:43:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:13,628 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:43:13,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 13.571428571428571) internal successors, (285), 21 states have internal predecessors, (285), 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) [2022-12-13 09:43:13,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:13,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:13,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:43:13,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:43:14,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 09:43:14,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 09:43:14,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:43:14,847 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:43:14,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:43:14,847 INFO L85 PathProgramCache]: Analyzing trace with hash -148024020, now seen corresponding path program 1 times [2022-12-13 09:43:14,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:43:14,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966758205] [2022-12-13 09:43:14,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:14,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:43:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:15,337 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-13 09:43:15,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:43:15,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966758205] [2022-12-13 09:43:15,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966758205] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:43:15,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279430014] [2022-12-13 09:43:15,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:15,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:43:15,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:43:15,339 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:43:15,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 09:43:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:15,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 09:43:15,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:43:15,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-13 09:43:15,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:43:15,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-13 09:43:15,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-12-13 09:43:15,977 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-13 09:43:15,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:43:15,991 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_161 (Array Int Int))) (= |c_threadThread1of1ForFork0_~idx~0#1| (select (select (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_161) |c_~#stack~0.base|) (+ (* |c_threadThread1of1ForFork0_~elem~0#1| 8) |c_~#stack~0.offset|)))) is different from false [2022-12-13 09:43:16,002 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:43:16,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 27 [2022-12-13 09:43:16,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2022-12-13 09:43:16,188 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 1 not checked. [2022-12-13 09:43:16,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279430014] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:43:16,188 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:43:16,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2022-12-13 09:43:16,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704308069] [2022-12-13 09:43:16,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:43:16,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 09:43:16,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:43:16,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 09:43:16,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=63, Unknown=1, NotChecked=16, Total=110 [2022-12-13 09:43:16,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:16,191 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:43:16,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 30.181818181818183) internal successors, (332), 11 states have internal predecessors, (332), 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) [2022-12-13 09:43:16,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:16,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:16,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:43:16,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-12-13 09:43:16,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:16,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:16,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:16,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:43:16,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-13 09:43:16,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:43:16,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 09:43:16,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 09:43:17,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:43:17,057 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-12-13 09:43:17,059 INFO L307 ceAbstractionStarter]: Result for error location threadThread1of1ForFork0 was SAFE (1/2) [2022-12-13 09:43:17,062 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:43:17,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:43:17,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:43:17,063 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:43:17,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-12-13 09:43:17,066 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:43:17,067 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-12-13 09:43:17,067 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@45acfcd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:43:17,067 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 09:43:17,123 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:43:17,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:43:17,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1182749700, now seen corresponding path program 1 times [2022-12-13 09:43:17,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:43:17,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532948020] [2022-12-13 09:43:17,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:17,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:43:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 09:43:17,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:43:17,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532948020] [2022-12-13 09:43:17,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532948020] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:43:17,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:43:17,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 09:43:17,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911290003] [2022-12-13 09:43:17,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:43:17,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 09:43:17,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:43:17,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 09:43:17,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 09:43:17,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:17,207 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:43:17,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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) [2022-12-13 09:43:17,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:17,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:17,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 09:43:17,247 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:43:17,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:43:17,247 INFO L85 PathProgramCache]: Analyzing trace with hash 775725885, now seen corresponding path program 1 times [2022-12-13 09:43:17,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:43:17,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199458509] [2022-12-13 09:43:17,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:17,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:43:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:17,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 09:43:17,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:43:17,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199458509] [2022-12-13 09:43:17,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199458509] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:43:17,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598587167] [2022-12-13 09:43:17,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:17,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:43:17,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:43:17,369 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:43:17,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 09:43:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:17,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 09:43:17,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:43:17,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 09:43:17,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:43:17,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 09:43:17,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598587167] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:43:17,598 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:43:17,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-12-13 09:43:17,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613420167] [2022-12-13 09:43:17,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:43:17,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 09:43:17,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:43:17,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 09:43:17,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-13 09:43:17,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:17,600 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:43:17,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.666666666666666) internal successors, (130), 15 states have internal predecessors, (130), 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) [2022-12-13 09:43:17,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:17,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:17,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:17,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:43:17,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 09:43:17,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:43:17,863 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:43:17,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:43:17,864 INFO L85 PathProgramCache]: Analyzing trace with hash -2030713244, now seen corresponding path program 2 times [2022-12-13 09:43:17,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:43:17,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842398624] [2022-12-13 09:43:17,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:17,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:43:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 09:43:17,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 09:43:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 09:43:17,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 09:43:17,927 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 09:43:17,927 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-12-13 09:43:17,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 09:43:17,928 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2022-12-13 09:43:17,928 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2022-12-13 09:43:17,929 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-13 09:43:17,929 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-12-13 09:43:17,982 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 09:43:17,986 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:43:17,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:43:17,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:43:17,987 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:43:17,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2022-12-13 09:43:17,990 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:43:17,991 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread1of2ForFork0 ======== [2022-12-13 09:43:17,991 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@45acfcd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:43:17,991 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 09:43:18,124 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:43:18,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:43:18,124 INFO L85 PathProgramCache]: Analyzing trace with hash -2109748879, now seen corresponding path program 1 times [2022-12-13 09:43:18,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:43:18,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444870519] [2022-12-13 09:43:18,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:18,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:43:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-13 09:43:18,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:43:18,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444870519] [2022-12-13 09:43:18,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444870519] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:43:18,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:43:18,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 09:43:18,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525802269] [2022-12-13 09:43:18,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:43:18,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 09:43:18,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:43:18,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 09:43:18,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 09:43:18,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:18,223 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:43:18,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 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) [2022-12-13 09:43:18,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:18,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:18,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 09:43:18,257 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:43:18,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:43:18,258 INFO L85 PathProgramCache]: Analyzing trace with hash -78832177, now seen corresponding path program 1 times [2022-12-13 09:43:18,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:43:18,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075554652] [2022-12-13 09:43:18,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:18,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:43:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:18,359 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 09:43:18,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:43:18,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075554652] [2022-12-13 09:43:18,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075554652] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:43:18,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:43:18,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 09:43:18,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485072662] [2022-12-13 09:43:18,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:43:18,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 09:43:18,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:43:18,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 09:43:18,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 09:43:18,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:18,361 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:43:18,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 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) [2022-12-13 09:43:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:18,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:20,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:20,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:20,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 09:43:20,112 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:43:20,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:43:20,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1591314048, now seen corresponding path program 1 times [2022-12-13 09:43:20,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:43:20,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51901901] [2022-12-13 09:43:20,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:20,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:43:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:20,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1204 trivial. 0 not checked. [2022-12-13 09:43:20,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:43:20,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51901901] [2022-12-13 09:43:20,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51901901] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:43:20,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687696636] [2022-12-13 09:43:20,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:20,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:43:20,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:43:20,739 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:43:20,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 09:43:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:21,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 1809 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 09:43:21,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:43:21,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1204 trivial. 0 not checked. [2022-12-13 09:43:21,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:43:21,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1204 trivial. 0 not checked. [2022-12-13 09:43:21,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687696636] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:43:21,251 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:43:21,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-12-13 09:43:21,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214129616] [2022-12-13 09:43:21,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:43:21,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 09:43:21,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:43:21,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 09:43:21,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-13 09:43:21,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:21,255 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:43:21,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 20.933333333333334) internal successors, (314), 15 states have internal predecessors, (314), 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) [2022-12-13 09:43:21,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:21,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:21,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:21,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:21,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:21,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:43:21,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 09:43:21,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:43:21,692 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:43:21,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:43:21,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1388839710, now seen corresponding path program 2 times [2022-12-13 09:43:21,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:43:21,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848082018] [2022-12-13 09:43:21,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:21,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:43:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2022-12-13 09:43:22,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:43:22,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848082018] [2022-12-13 09:43:22,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848082018] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:43:22,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:43:22,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 09:43:22,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967800726] [2022-12-13 09:43:22,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:43:22,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 09:43:22,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:43:22,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 09:43:22,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 09:43:22,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:22,044 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:43:22,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 59.6) internal successors, (298), 5 states have internal predecessors, (298), 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) [2022-12-13 09:43:22,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:22,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:22,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:43:22,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:24,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:24,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:24,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:43:24,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:43:24,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 09:43:24,366 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:43:24,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:43:24,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1802385392, now seen corresponding path program 1 times [2022-12-13 09:43:24,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:43:24,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134008952] [2022-12-13 09:43:24,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:24,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:43:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:27,916 INFO L134 CoverageAnalysis]: Checked inductivity of 7641 backedges. 3010 proven. 10 refuted. 0 times theorem prover too weak. 4621 trivial. 0 not checked. [2022-12-13 09:43:27,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:43:27,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134008952] [2022-12-13 09:43:27,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134008952] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:43:27,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911027675] [2022-12-13 09:43:27,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:27,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:43:27,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:43:27,917 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:43:27,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 09:43:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:28,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 4635 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 09:43:28,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:43:28,836 INFO L134 CoverageAnalysis]: Checked inductivity of 7641 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 7081 trivial. 0 not checked. [2022-12-13 09:43:28,836 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:43:28,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911027675] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:43:28,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 09:43:28,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2022-12-13 09:43:28,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476505768] [2022-12-13 09:43:28,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:43:28,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 09:43:28,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:43:28,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 09:43:28,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2022-12-13 09:43:28,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:28,839 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:43:28,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 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) [2022-12-13 09:43:28,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:28,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:28,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:43:28,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:43:28,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:43:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:43:29,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:43:29,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-12-13 09:43:29,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-13 09:43:29,873 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:43:29,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:43:29,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1130551651, now seen corresponding path program 1 times [2022-12-13 09:43:29,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:43:29,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586882224] [2022-12-13 09:43:29,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:29,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:43:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 17525 backedges. 1566 proven. 10 refuted. 0 times theorem prover too weak. 15949 trivial. 0 not checked. [2022-12-13 09:43:37,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:43:37,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586882224] [2022-12-13 09:43:37,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586882224] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:43:37,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037220981] [2022-12-13 09:43:37,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:37,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:43:37,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:43:37,955 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:43:37,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 09:43:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:43:39,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 7292 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-13 09:43:39,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:43:39,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-13 09:43:39,915 INFO L134 CoverageAnalysis]: Checked inductivity of 17525 backedges. 1542 proven. 20 refuted. 0 times theorem prover too weak. 15963 trivial. 0 not checked. [2022-12-13 09:43:39,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:43:40,241 INFO L321 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2022-12-13 09:43:40,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 16 [2022-12-13 09:43:40,309 INFO L134 CoverageAnalysis]: Checked inductivity of 17525 backedges. 1548 proven. 14 refuted. 0 times theorem prover too weak. 15963 trivial. 0 not checked. [2022-12-13 09:43:40,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037220981] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:43:40,309 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:43:40,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 13] total 27 [2022-12-13 09:43:40,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244006185] [2022-12-13 09:43:40,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:43:40,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-13 09:43:40,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:43:40,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-13 09:43:40,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2022-12-13 09:43:40,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:40,315 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:43:40,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 24.85185185185185) internal successors, (671), 27 states have internal predecessors, (671), 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) [2022-12-13 09:43:40,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:40,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:40,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:43:40,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:43:40,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:43:40,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:51,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:43:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:43:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:43:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:43:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2022-12-13 09:43:51,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-13 09:43:51,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:43:52,001 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:43:52,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:43:52,003 INFO L85 PathProgramCache]: Analyzing trace with hash 2030894642, now seen corresponding path program 1 times [2022-12-13 09:43:52,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:43:52,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619716415] [2022-12-13 09:43:52,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:43:52,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:43:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:44:02,755 INFO L134 CoverageAnalysis]: Checked inductivity of 29681 backedges. 2242 proven. 13 refuted. 0 times theorem prover too weak. 27426 trivial. 0 not checked. [2022-12-13 09:44:02,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:44:02,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619716415] [2022-12-13 09:44:02,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619716415] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:44:02,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009510030] [2022-12-13 09:44:02,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:44:02,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:44:02,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:44:02,757 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:44:02,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 09:44:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:44:04,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 9185 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 09:44:04,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:44:04,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-13 09:44:04,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-12-13 09:44:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 29681 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 29637 trivial. 0 not checked. [2022-12-13 09:44:04,209 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:44:04,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009510030] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:44:04,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 09:44:04,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 15 [2022-12-13 09:44:04,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890816437] [2022-12-13 09:44:04,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:44:04,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 09:44:04,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:44:04,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 09:44:04,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-12-13 09:44:04,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:44:04,213 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:44:04,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 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) [2022-12-13 09:44:04,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:44:04,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:44:04,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:44:04,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:44:04,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:44:04,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2022-12-13 09:44:04,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:44:08,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:44:08,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:44:08,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:44:08,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:44:08,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:44:08,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2022-12-13 09:44:08,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:44:08,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-13 09:44:09,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-13 09:44:09,046 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:44:09,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:44:09,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1976240786, now seen corresponding path program 1 times [2022-12-13 09:44:09,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:44:09,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322600809] [2022-12-13 09:44:09,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:44:09,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:44:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:44:22,306 INFO L134 CoverageAnalysis]: Checked inductivity of 35414 backedges. 2446 proven. 13 refuted. 0 times theorem prover too weak. 32955 trivial. 0 not checked. [2022-12-13 09:44:22,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:44:22,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322600809] [2022-12-13 09:44:22,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322600809] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:44:22,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815989260] [2022-12-13 09:44:22,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:44:22,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:44:22,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:44:22,308 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:44:22,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-13 09:44:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:44:23,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 10069 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-13 09:44:23,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:44:24,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-13 09:44:24,293 INFO L134 CoverageAnalysis]: Checked inductivity of 35414 backedges. 2412 proven. 30 refuted. 0 times theorem prover too weak. 32972 trivial. 0 not checked. [2022-12-13 09:44:24,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:44:24,532 INFO L321 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2022-12-13 09:44:24,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 16 [2022-12-13 09:44:24,584 INFO L134 CoverageAnalysis]: Checked inductivity of 35414 backedges. 2418 proven. 24 refuted. 0 times theorem prover too weak. 32972 trivial. 0 not checked. [2022-12-13 09:44:24,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815989260] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:44:24,584 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:44:24,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 13] total 27 [2022-12-13 09:44:24,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724486609] [2022-12-13 09:44:24,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:44:24,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-13 09:44:24,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:44:24,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-13 09:44:24,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2022-12-13 09:44:24,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:44:24,589 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:44:24,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 24.85185185185185) internal successors, (671), 27 states have internal predecessors, (671), 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) [2022-12-13 09:44:24,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:44:24,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:44:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:44:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:44:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:44:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2022-12-13 09:44:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:44:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:44:32,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:44:32,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:44:32,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:44:32,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:44:32,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:44:32,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2022-12-13 09:44:32,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:44:32,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-12-13 09:44:32,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-13 09:44:32,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 09:44:32,870 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:44:32,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:44:32,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1754118962, now seen corresponding path program 1 times [2022-12-13 09:44:32,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:44:32,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094651701] [2022-12-13 09:44:32,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:44:32,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:44:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:44:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 18047 backedges. 4384 proven. 154 refuted. 0 times theorem prover too weak. 13509 trivial. 0 not checked. [2022-12-13 09:44:40,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:44:40,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094651701] [2022-12-13 09:44:40,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094651701] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:44:40,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245700601] [2022-12-13 09:44:40,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:44:40,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:44:40,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:44:40,084 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:44:40,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-13 09:44:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:44:41,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 7886 conjuncts, 128 conjunts are in the unsatisfiable core [2022-12-13 09:44:41,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:44:46,424 INFO L321 Elim1Store]: treesize reduction 25, result has 51.9 percent of original size [2022-12-13 09:44:46,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 92 [2022-12-13 09:44:46,489 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-13 09:44:46,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 7 [2022-12-13 09:44:46,614 INFO L321 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2022-12-13 09:44:46,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 11 [2022-12-13 09:44:46,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2022-12-13 09:44:46,665 INFO L321 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2022-12-13 09:44:46,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 1 [2022-12-13 09:44:47,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:44:47,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-13 09:44:47,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-13 09:44:47,448 INFO L134 CoverageAnalysis]: Checked inductivity of 18047 backedges. 11167 proven. 1 refuted. 0 times theorem prover too weak. 6879 trivial. 0 not checked. [2022-12-13 09:44:47,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:44:58,082 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:44:58,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1479 treesize of output 1391 [2022-12-13 09:44:58,114 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:44:58,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1811 treesize of output 1649 [2022-12-13 09:44:58,612 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:44:58,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 739 treesize of output 695 [2022-12-13 09:44:59,955 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:44:59,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 759 treesize of output 723 [2022-12-13 09:45:02,418 INFO L321 Elim1Store]: treesize reduction 23, result has 66.7 percent of original size [2022-12-13 09:45:02,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 65 treesize of output 106 [2022-12-13 09:45:02,454 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:45:02,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 126 treesize of output 130 [2022-12-13 09:45:02,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2022-12-13 09:45:02,513 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:45:02,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 48 [2022-12-13 09:45:02,546 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:45:02,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 98 [2022-12-13 09:45:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 18047 backedges. 11025 proven. 702 refuted. 0 times theorem prover too weak. 6320 trivial. 0 not checked. [2022-12-13 09:45:03,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245700601] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:45:03,140 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:45:03,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 23, 52] total 78 [2022-12-13 09:45:03,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982697635] [2022-12-13 09:45:03,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:45:03,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2022-12-13 09:45:03,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:45:03,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2022-12-13 09:45:03,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=5739, Unknown=3, NotChecked=0, Total=6006 [2022-12-13 09:45:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:45:03,146 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:45:03,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 29.44871794871795) internal successors, (2297), 78 states have internal predecessors, (2297), 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) [2022-12-13 09:45:03,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:45:03,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:45:03,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:45:03,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:45:03,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:45:03,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2022-12-13 09:45:03,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:45:03,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-12-13 09:45:03,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:46:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:46:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:46:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:46:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:46:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:46:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2022-12-13 09:46:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:46:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-12-13 09:46:16,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 284 states. [2022-12-13 09:46:16,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-12-13 09:46:16,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 09:46:16,380 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:46:16,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:46:16,381 INFO L85 PathProgramCache]: Analyzing trace with hash -58237847, now seen corresponding path program 1 times [2022-12-13 09:46:16,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:46:16,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939723687] [2022-12-13 09:46:16,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:46:16,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:46:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:46:19,383 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-12-13 09:46:19,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:46:19,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939723687] [2022-12-13 09:46:19,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939723687] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:46:19,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:46:19,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-12-13 09:46:19,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724539238] [2022-12-13 09:46:19,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:46:19,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-13 09:46:19,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:46:19,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-13 09:46:19,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2022-12-13 09:46:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:46:19,387 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:46:19,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 22.19047619047619) internal successors, (466), 21 states have internal predecessors, (466), 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) [2022-12-13 09:46:19,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:46:19,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:46:19,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:46:19,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:46:19,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:46:19,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2022-12-13 09:46:19,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:46:19,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-12-13 09:46:19,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 284 states. [2022-12-13 09:46:19,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:46:24,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:46:24,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:46:24,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:46:24,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:46:24,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:46:24,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2022-12-13 09:46:24,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:46:24,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-12-13 09:46:24,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 285 states. [2022-12-13 09:46:24,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-12-13 09:46:24,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 09:46:24,880 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting threadErr0ASSERT_VIOLATIONERROR_FUNCTION === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:46:24,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:46:24,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1644162820, now seen corresponding path program 2 times [2022-12-13 09:46:24,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:46:24,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521406438] [2022-12-13 09:46:24,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:46:24,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:46:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:46:35,862 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 35 proven. 108 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 09:46:35,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:46:35,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521406438] [2022-12-13 09:46:35,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521406438] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:46:35,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924376308] [2022-12-13 09:46:35,863 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 09:46:35,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:46:35,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:46:35,864 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:46:35,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22c83b6-81ba-40df-992c-829e2d1bbba5/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-13 09:46:36,227 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 09:46:36,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:46:36,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 145 conjunts are in the unsatisfiable core [2022-12-13 09:46:36,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:46:38,159 INFO L321 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-12-13 09:46:38,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2022-12-13 09:46:38,938 INFO L321 Elim1Store]: treesize reduction 25, result has 51.9 percent of original size [2022-12-13 09:46:38,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 89 treesize of output 116 [2022-12-13 09:46:38,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:46:38,996 INFO L321 Elim1Store]: treesize reduction 49, result has 19.7 percent of original size [2022-12-13 09:46:38,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 40 [2022-12-13 09:46:39,026 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-13 09:46:39,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 111 [2022-12-13 09:46:39,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:46:39,040 INFO L321 Elim1Store]: treesize reduction 49, result has 19.7 percent of original size [2022-12-13 09:46:39,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 40 [2022-12-13 09:46:39,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:46:39,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2022-12-13 09:46:41,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:46:41,653 INFO L321 Elim1Store]: treesize reduction 36, result has 44.6 percent of original size [2022-12-13 09:46:41,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 58 [2022-12-13 09:46:43,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:46:43,175 INFO L321 Elim1Store]: treesize reduction 120, result has 34.4 percent of original size [2022-12-13 09:46:43,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 81 treesize of output 112 [2022-12-13 09:46:49,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:46:49,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:46:49,810 INFO L321 Elim1Store]: treesize reduction 192, result has 26.4 percent of original size [2022-12-13 09:46:49,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 75 treesize of output 106 [2022-12-13 09:46:52,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:46:52,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:46:52,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:46:52,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:46:52,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:46:52,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:46:52,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:46:52,907 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-13 09:46:52,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 98 treesize of output 95 [2022-12-13 09:46:53,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:46:53,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:46:53,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:46:53,344 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:46:53,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 83 treesize of output 109 [2022-12-13 09:46:53,376 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 122 proven. 1 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-12-13 09:46:53,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:47:40,075 INFO L321 Elim1Store]: treesize reduction 63, result has 38.8 percent of original size [2022-12-13 09:47:40,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 531 treesize of output 377 [2022-12-13 09:47:40,122 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:47:40,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1215 treesize of output 1197 [2022-12-13 09:47:40,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:47:40,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:47:40,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:47:40,170 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-13 09:47:40,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 11311 treesize of output 9713 [2022-12-13 09:47:41,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-13 09:47:41,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:47:41,231 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-12-13 09:47:41,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 15 [2022-12-13 09:47:41,261 INFO L321 Elim1Store]: treesize reduction 5, result has 82.8 percent of original size [2022-12-13 09:47:41,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 72 [2022-12-13 09:47:41,849 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-12-13 09:47:41,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924376308] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 09:47:41,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:47:41,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [96, 50] total 188 [2022-12-13 09:47:41,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916016657] [2022-12-13 09:47:41,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:47:41,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-12-13 09:47:41,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:47:41,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-12-13 09:47:41,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1373, Invalid=33681, Unknown=102, NotChecked=0, Total=35156 [2022-12-13 09:47:41,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:47:41,855 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:47:41,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 10.5) internal successors, (504), 48 states have internal predecessors, (504), 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) [2022-12-13 09:47:41,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:47:41,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:47:41,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:47:41,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:47:41,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 09:47:41,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2022-12-13 09:47:41,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:47:41,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-12-13 09:47:41,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 285 states. [2022-12-13 09:47:41,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-12-13 09:47:41,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:48:06,727 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse41 (* |c_threadThread1of2ForFork0_Pop_~head1~0#1| 8)) (.cse8 (+ |c_~#stack~0.offset| 28)) (.cse1 (+ |c_~#stack~0.offset| 24))) (let ((.cse0 (= .cse1 0)) (.cse2 (= .cse8 0)) (.cse11 (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_exchange_#in~obj#1.base|)) (.cse21 (select |c_#memory_int| |c_~#stack~0.base|)) (.cse4 (+ .cse41 |c_~#stack~0.offset|)) (.cse28 (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_exchange_~obj#1.base|))) (and (or .cse0 (and (= |c_threadThread1of2ForFork0_atomic_load_~obj#1.offset| .cse1) (= |c_threadThread1of2ForFork0_atomic_load_~obj#1.base| |c_~#stack~0.base|)) .cse2) (forall ((|threadThread2of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6010 Int) (v_ArrVal_6000 (Array Int Int)) (|threadThread1of2ForFork0_~idx~0#1| Int) (v_ArrVal_5997 Int) (v_ArrVal_6007 Int) (|threadThread1of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6003 Int)) (let ((.cse5 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_exchange_#in~obj#1.base| (store .cse11 |c_threadThread1of2ForFork0_atomic_exchange_#in~obj#1.offset| v_ArrVal_5997)))) (let ((.cse10 (store .cse5 |threadThread1of2ForFork0_Pop_~#head2~0#1.base| v_ArrVal_6000))) (let ((.cse9 (select .cse10 |c_~#stack~0.base|))) (let ((.cse7 (store (store .cse9 .cse8 v_ArrVal_6003) .cse4 |threadThread1of2ForFork0_~idx~0#1|))) (let ((.cse6 (select (select .cse5 |threadThread1of2ForFork0_Pop_~#head2~0#1.base|) 0)) (.cse3 (store .cse7 (+ |c_~#stack~0.offset| (* (select .cse7 .cse1) 8) 4) v_ArrVal_6007))) (or (= (select (store .cse3 .cse1 v_ArrVal_6010) .cse4) |threadThread1of2ForFork0_~idx~0#1|) (= (select (select .cse5 |c_~#stack~0.base|) .cse1) .cse6) (< (select .cse7 .cse8) 2) (< (select .cse9 .cse8) (+ v_ArrVal_6003 1)) (not (= |c_threadThread1of2ForFork0_Pop_~head1~0#1| .cse6)) (not (= (select .cse3 .cse1) (select (select (store .cse10 |c_~#stack~0.base| .cse3) |threadThread2of2ForFork0_Pop_~#head2~0#1.base|) 0))) (< |c_threadThread1of2ForFork0_atomic_exchange_#in~v#1| v_ArrVal_5997)))))))) (forall ((v_ArrVal_6010 Int) (|threadThread2of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6000 (Array Int Int)) (|threadThread1of2ForFork0_~idx~0#1| Int) (v_ArrVal_5997 Int) (v_ArrVal_6007 Int) (|threadThread1of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6003 Int)) (let ((.cse20 (* 8 |c_threadThread1of2ForFork0_atomic_load_#res#1|))) (let ((.cse17 (store .cse21 (+ |c_~#stack~0.offset| .cse20 4) v_ArrVal_5997))) (let ((.cse19 (store |c_#memory_int| |c_~#stack~0.base| .cse17))) (let ((.cse12 (store .cse19 |threadThread1of2ForFork0_Pop_~#head2~0#1.base| v_ArrVal_6000))) (let ((.cse16 (select .cse12 |c_~#stack~0.base|)) (.cse14 (+ |c_~#stack~0.offset| .cse20))) (let ((.cse18 (store (store .cse16 .cse8 v_ArrVal_6003) .cse14 |threadThread1of2ForFork0_~idx~0#1|))) (let ((.cse13 (store .cse18 (+ |c_~#stack~0.offset| 4 (* 8 (select .cse18 .cse1))) v_ArrVal_6007)) (.cse15 (select (select .cse19 |threadThread1of2ForFork0_Pop_~#head2~0#1.base|) 0))) (or (not (= (select (select (store .cse12 |c_~#stack~0.base| .cse13) |threadThread2of2ForFork0_Pop_~#head2~0#1.base|) 0) (select .cse13 .cse1))) (= (select (store .cse13 .cse1 v_ArrVal_6010) .cse14) |threadThread1of2ForFork0_~idx~0#1|) (not (= .cse15 |c_threadThread1of2ForFork0_atomic_load_#res#1|)) (< (select .cse16 .cse8) (+ v_ArrVal_6003 1)) (= .cse15 (select .cse17 .cse1)) (< (select .cse18 .cse8) 2) (< 0 (+ v_ArrVal_5997 1))))))))))) (or .cse0 (and (= |c_~#stack~0.base| |c_threadThread1of2ForFork0_atomic_load_#in~obj#1.base|) (= .cse1 |c_threadThread1of2ForFork0_atomic_load_#in~obj#1.offset|)) .cse2) (forall ((|threadThread2of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6010 Int) (v_ArrVal_6000 (Array Int Int)) (|threadThread1of2ForFork0_~idx~0#1| Int) (v_ArrVal_5997 Int) (v_ArrVal_6007 Int) (|threadThread1of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6003 Int)) (let ((.cse27 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_exchange_~obj#1.base| (store .cse28 |c_threadThread1of2ForFork0_atomic_exchange_~obj#1.offset| v_ArrVal_5997)))) (let ((.cse25 (store .cse27 |threadThread1of2ForFork0_Pop_~#head2~0#1.base| v_ArrVal_6000))) (let ((.cse26 (select .cse25 |c_~#stack~0.base|))) (let ((.cse24 (store (store .cse26 .cse8 v_ArrVal_6003) .cse4 |threadThread1of2ForFork0_~idx~0#1|))) (let ((.cse22 (store .cse24 (+ (* 8 (select .cse24 .cse1)) |c_~#stack~0.offset| 4) v_ArrVal_6007)) (.cse23 (select (select .cse27 |threadThread1of2ForFork0_Pop_~#head2~0#1.base|) 0))) (or (= (select (store .cse22 .cse1 v_ArrVal_6010) .cse4) |threadThread1of2ForFork0_~idx~0#1|) (not (= |c_threadThread1of2ForFork0_Pop_~head1~0#1| .cse23)) (< (select .cse24 .cse8) 2) (not (= (select .cse22 .cse1) (select (select (store .cse25 |c_~#stack~0.base| .cse22) |threadThread2of2ForFork0_Pop_~#head2~0#1.base|) 0))) (< |c_threadThread1of2ForFork0_atomic_exchange_#in~v#1| v_ArrVal_5997) (< (select .cse26 .cse8) (+ v_ArrVal_6003 1)) (= (select (select .cse27 |c_~#stack~0.base|) .cse1) .cse23)))))))) (forall ((|threadThread2of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6010 Int) (|threadThread1of2ForFork0_~idx~0#1| Int) (v_ArrVal_5997 Int) (v_ArrVal_6007 Int) (|threadThread1of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6003 Int) (v_ArrVal_6001 Int)) (let ((.cse29 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_exchange_#in~obj#1.base| (store .cse11 |c_threadThread1of2ForFork0_atomic_exchange_#in~obj#1.offset| v_ArrVal_5997)))) (let ((.cse32 (select .cse29 |c_~#stack~0.base|))) (let ((.cse33 (store (store (store .cse32 .cse1 v_ArrVal_6001) .cse8 v_ArrVal_6003) .cse4 |threadThread1of2ForFork0_~idx~0#1|))) (let ((.cse30 (store .cse33 (+ |c_~#stack~0.offset| (* (select .cse33 .cse1) 8) 4) v_ArrVal_6007)) (.cse31 (select (select .cse29 |threadThread1of2ForFork0_Pop_~#head2~0#1.base|) 0))) (or (not (= (select (select (store .cse29 |c_~#stack~0.base| .cse30) |threadThread2of2ForFork0_Pop_~#head2~0#1.base|) 0) (select .cse30 .cse1))) (= (select (store .cse30 .cse1 v_ArrVal_6010) .cse4) |threadThread1of2ForFork0_~idx~0#1|) (not (= |c_threadThread1of2ForFork0_Pop_~head1~0#1| .cse31)) (not (= (select .cse32 .cse1) .cse31)) (< |c_threadThread1of2ForFork0_atomic_exchange_#in~v#1| v_ArrVal_5997) (< (select .cse32 .cse8) (+ v_ArrVal_6003 1)) (< (select .cse33 .cse8) 2))))))) (forall ((v_ArrVal_6010 Int) (|threadThread2of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6000 (Array Int Int)) (|threadThread1of2ForFork0_~idx~0#1| Int) (v_ArrVal_5997 Int) (v_ArrVal_6007 Int) (|threadThread1of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6003 Int)) (let ((.cse37 (store .cse21 (+ .cse41 |c_~#stack~0.offset| 4) v_ArrVal_5997))) (let ((.cse40 (store |c_#memory_int| |c_~#stack~0.base| .cse37))) (let ((.cse35 (store .cse40 |threadThread1of2ForFork0_Pop_~#head2~0#1.base| v_ArrVal_6000))) (let ((.cse38 (select .cse35 |c_~#stack~0.base|))) (let ((.cse39 (store (store .cse38 .cse8 v_ArrVal_6003) .cse4 |threadThread1of2ForFork0_~idx~0#1|))) (let ((.cse36 (select (select .cse40 |threadThread1of2ForFork0_Pop_~#head2~0#1.base|) 0)) (.cse34 (store .cse39 (+ (* 8 (select .cse39 .cse1)) |c_~#stack~0.offset| 4) v_ArrVal_6007))) (or (not (= (select .cse34 .cse1) (select (select (store .cse35 |c_~#stack~0.base| .cse34) |threadThread2of2ForFork0_Pop_~#head2~0#1.base|) 0))) (not (= .cse36 |c_threadThread1of2ForFork0_Pop_~head1~0#1|)) (= .cse36 (select .cse37 .cse1)) (< 0 (+ v_ArrVal_5997 1)) (< (select .cse38 .cse8) (+ v_ArrVal_6003 1)) (= (select (store .cse34 .cse1 v_ArrVal_6010) .cse4) |threadThread1of2ForFork0_~idx~0#1|) (< (select .cse39 .cse8) 2))))))))) (forall ((|threadThread2of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6010 Int) (|threadThread1of2ForFork0_~idx~0#1| Int) (v_ArrVal_5997 Int) (v_ArrVal_6007 Int) (|threadThread1of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6003 Int) (v_ArrVal_6001 Int)) (let ((.cse46 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_exchange_~obj#1.base| (store .cse28 |c_threadThread1of2ForFork0_atomic_exchange_~obj#1.offset| v_ArrVal_5997)))) (let ((.cse43 (select .cse46 |c_~#stack~0.base|))) (let ((.cse42 (store (store (store .cse43 .cse1 v_ArrVal_6001) .cse8 v_ArrVal_6003) .cse4 |threadThread1of2ForFork0_~idx~0#1|))) (let ((.cse44 (select (select .cse46 |threadThread1of2ForFork0_Pop_~#head2~0#1.base|) 0)) (.cse45 (store .cse42 (+ |c_~#stack~0.offset| 4 (* (select .cse42 .cse1) 8)) v_ArrVal_6007))) (or (< (select .cse42 .cse8) 2) (< (select .cse43 .cse8) (+ v_ArrVal_6003 1)) (not (= |c_threadThread1of2ForFork0_Pop_~head1~0#1| .cse44)) (not (= (select .cse45 .cse1) (select (select (store .cse46 |c_~#stack~0.base| .cse45) |threadThread2of2ForFork0_Pop_~#head2~0#1.base|) 0))) (< |c_threadThread1of2ForFork0_atomic_exchange_#in~v#1| v_ArrVal_5997) (not (= (select .cse43 .cse1) .cse44)) (= (select (store .cse45 .cse1 v_ArrVal_6010) .cse4) |threadThread1of2ForFork0_~idx~0#1|)))))))))) is different from true [2022-12-13 09:48:39,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:48:41,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:48:45,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:48:50,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:49:08,473 WARN L233 SmtUtils]: Spent 12.60s on a formula simplification that was a NOOP. DAG size: 188 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:49:10,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:49:12,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:49:15,857 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse6 (+ |c_~#stack~0.offset| 24)) (.cse10 (select |c_#memory_int| |c_~#stack~0.base|)) (.cse8 (+ |c_~#stack~0.offset| 28)) (.cse50 (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~obj#1.base|))) (let ((.cse40 (select .cse50 |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~obj#1.offset|)) (.cse4 (select .cse10 .cse8)) (.cse9 (+ (* |c_threadThread1of2ForFork0_Pop_~head1~0#1| 8) |c_~#stack~0.offset|)) (.cse2 (select .cse10 .cse6)) (.cse41 (select (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~expected#1.base|) |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~expected#1.offset|)) (.cse16 (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~obj#1.base|))) (let ((.cse11 (= .cse41 (select .cse16 |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~obj#1.offset|))) (.cse3 (= (select (select |c_#memory_int| |c_threadThread1of2ForFork0_Pop_~#head2~0#1.base|) |c_threadThread1of2ForFork0_Pop_~#head2~0#1.offset|) .cse2)) (.cse0 (forall ((v_ArrVal_6010 Int) (|threadThread2of2ForFork0_Pop_~#head2~0#1.base| Int) (|threadThread1of2ForFork0_~idx~0#1| Int) (v_ArrVal_6007 Int) (v_ArrVal_6003 Int) (v_ArrVal_6001 Int)) (let ((.cse52 (store (store (store .cse10 .cse6 v_ArrVal_6001) .cse8 v_ArrVal_6003) .cse9 |threadThread1of2ForFork0_~idx~0#1|))) (let ((.cse51 (store .cse52 (+ (* (select .cse52 .cse6) 8) |c_~#stack~0.offset| 4) v_ArrVal_6007))) (or (< .cse4 (+ v_ArrVal_6003 1)) (not (= (select (select (store |c_#memory_int| |c_~#stack~0.base| .cse51) |threadThread2of2ForFork0_Pop_~#head2~0#1.base|) 0) (select .cse51 .cse6))) (< (select .cse52 .cse8) 2) (= (select (store .cse51 .cse6 v_ArrVal_6010) .cse9) |threadThread1of2ForFork0_~idx~0#1|)))))) (.cse17 (= .cse40 (select (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~expected#1.base|) |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~expected#1.offset|))) (.cse33 (forall ((|threadThread2of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6010 Int) (|threadThread1of2ForFork0_~idx~0#1| Int) (v_ArrVal_6007 Int) (v_ArrVal_6003 Int) (v_ArrVal_6001 Int)) (let ((.cse49 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~obj#1.base| (store .cse50 |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~obj#1.offset| v_ArrVal_6001)))) (let ((.cse46 (select .cse49 |c_~#stack~0.base|))) (let ((.cse48 (store (store .cse46 .cse8 v_ArrVal_6003) .cse9 |threadThread1of2ForFork0_~idx~0#1|))) (let ((.cse47 (store .cse48 (+ (* 8 (select .cse48 .cse6)) |c_~#stack~0.offset| 4) v_ArrVal_6007))) (or (< (select .cse46 .cse8) (+ v_ArrVal_6003 1)) (= (select (store .cse47 .cse6 v_ArrVal_6010) .cse9) |threadThread1of2ForFork0_~idx~0#1|) (< (select .cse48 .cse8) 2) (not (= (select (select (store .cse49 |c_~#stack~0.base| .cse47) |threadThread2of2ForFork0_Pop_~#head2~0#1.base|) 0) (select .cse47 .cse6)))))))))) (.cse22 (forall ((v_ArrVal_6010 Int) (|threadThread2of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6000 (Array Int Int)) (|threadThread1of2ForFork0_~idx~0#1| Int) (v_ArrVal_6007 Int) (v_ArrVal_6003 Int)) (let ((.cse45 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~expected#1.base| v_ArrVal_6000))) (let ((.cse44 (select .cse45 |c_~#stack~0.base|))) (let ((.cse43 (store (store .cse44 .cse8 v_ArrVal_6003) .cse9 |threadThread1of2ForFork0_~idx~0#1|))) (let ((.cse42 (store .cse43 (+ |c_~#stack~0.offset| 4 (* (select .cse43 .cse6) 8)) v_ArrVal_6007))) (or (= (select (store .cse42 .cse6 v_ArrVal_6010) .cse9) |threadThread1of2ForFork0_~idx~0#1|) (< (select .cse43 .cse8) 2) (< (select .cse44 .cse8) (+ v_ArrVal_6003 1)) (not (= (select .cse42 .cse6) (select (select (store .cse45 |c_~#stack~0.base| .cse42) |threadThread2of2ForFork0_Pop_~#head2~0#1.base|) 0)))))))))) (.cse34 (= .cse40 .cse41))) (and (or .cse0 (forall ((|threadThread1of2ForFork0_Pop_~#head2~0#1.base| Int)) (let ((.cse1 (select (select |c_#memory_int| |threadThread1of2ForFork0_Pop_~#head2~0#1.base|) |c_threadThread1of2ForFork0_Pop_~#head2~0#1.offset|))) (or (not (= .cse1 .cse2)) (not (= |c_threadThread1of2ForFork0_Pop_~head1~0#1| .cse1)))))) (or (not .cse3) (forall ((|threadThread2of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6010 Int) (|threadThread1of2ForFork0_~idx~0#1| Int) (v_ArrVal_6007 Int) (v_ArrVal_6003 Int) (v_ArrVal_6001 Int)) (let ((.cse7 (store (store (store .cse10 .cse6 v_ArrVal_6001) .cse8 v_ArrVal_6003) .cse9 |threadThread1of2ForFork0_~idx~0#1|))) (let ((.cse5 (store .cse7 (+ (* (select .cse7 .cse6) 8) |c_~#stack~0.offset| 4) v_ArrVal_6007))) (or (< .cse4 (+ v_ArrVal_6003 1)) (not (= (select (select (store |c_#memory_int| |c_~#stack~0.base| .cse5) |threadThread2of2ForFork0_Pop_~#head2~0#1.base|) 0) (select .cse5 .cse6))) (< (select .cse7 .cse8) 2) (= (select (store .cse5 .cse6 v_ArrVal_6010) .cse9) |threadThread1of2ForFork0_~idx~0#1|)))))) (or (not .cse11) (forall ((|threadThread2of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6010 Int) (|threadThread1of2ForFork0_~idx~0#1| Int) (v_ArrVal_6007 Int) (v_ArrVal_6003 Int) (v_ArrVal_6001 Int)) (let ((.cse13 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~obj#1.base| (store .cse16 |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~obj#1.offset| v_ArrVal_6001)))) (let ((.cse14 (select .cse13 |c_~#stack~0.base|))) (let ((.cse15 (store (store .cse14 .cse8 v_ArrVal_6003) .cse9 |threadThread1of2ForFork0_~idx~0#1|))) (let ((.cse12 (store .cse15 (+ (* (select .cse15 .cse6) 8) |c_~#stack~0.offset| 4) v_ArrVal_6007))) (or (= |threadThread1of2ForFork0_~idx~0#1| (select (store .cse12 .cse6 v_ArrVal_6010) .cse9)) (not (= (select (select (store .cse13 |c_~#stack~0.base| .cse12) |threadThread2of2ForFork0_Pop_~#head2~0#1.base|) 0) (select .cse12 .cse6))) (< (select .cse14 .cse8) (+ v_ArrVal_6003 1)) (< (select .cse15 .cse8) 2)))))))) (or .cse17 (forall ((v_ArrVal_6010 Int) (|threadThread2of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6000 (Array Int Int)) (|threadThread1of2ForFork0_~idx~0#1| Int) (v_ArrVal_6007 Int) (v_ArrVal_6003 Int)) (let ((.cse21 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~expected#1.base| v_ArrVal_6000))) (let ((.cse20 (select .cse21 |c_~#stack~0.base|))) (let ((.cse19 (store (store .cse20 .cse8 v_ArrVal_6003) .cse9 |threadThread1of2ForFork0_~idx~0#1|))) (let ((.cse18 (store .cse19 (+ |c_~#stack~0.offset| (* 8 (select .cse19 .cse6)) 4) v_ArrVal_6007))) (or (= |threadThread1of2ForFork0_~idx~0#1| (select (store .cse18 .cse6 v_ArrVal_6010) .cse9)) (< (select .cse19 .cse8) 2) (< (select .cse20 .cse8) (+ v_ArrVal_6003 1)) (not (= (select (select (store .cse21 |c_~#stack~0.base| .cse18) |threadThread2of2ForFork0_Pop_~#head2~0#1.base|) 0) (select .cse18 .cse6)))))))))) (or .cse22 .cse11) (forall ((|threadThread1of2ForFork0_Pop_~#head2~0#1.base| Int)) (let ((.cse27 (select (select |c_#memory_int| |threadThread1of2ForFork0_Pop_~#head2~0#1.base|) 0))) (or (forall ((v_ArrVal_6010 Int) (|threadThread2of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6000 (Array Int Int)) (|threadThread1of2ForFork0_~idx~0#1| Int) (v_ArrVal_6007 Int) (v_ArrVal_6003 Int)) (let ((.cse25 (store |c_#memory_int| |threadThread1of2ForFork0_Pop_~#head2~0#1.base| v_ArrVal_6000))) (let ((.cse26 (select .cse25 |c_~#stack~0.base|))) (let ((.cse23 (store (store .cse26 .cse8 v_ArrVal_6003) .cse9 |threadThread1of2ForFork0_~idx~0#1|))) (let ((.cse24 (store .cse23 (+ (* 8 (select .cse23 .cse6)) |c_~#stack~0.offset| 4) v_ArrVal_6007))) (or (< (select .cse23 .cse8) 2) (= (select (store .cse24 .cse6 v_ArrVal_6010) .cse9) |threadThread1of2ForFork0_~idx~0#1|) (not (= (select (select (store .cse25 |c_~#stack~0.base| .cse24) |threadThread2of2ForFork0_Pop_~#head2~0#1.base|) 0) (select .cse24 .cse6))) (< (select .cse26 .cse8) (+ v_ArrVal_6003 1)))))))) (= .cse27 .cse2) (not (= |c_threadThread1of2ForFork0_Pop_~head1~0#1| .cse27))))) (or .cse3 (forall ((v_ArrVal_6010 Int) (|threadThread2of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6000 (Array Int Int)) (|threadThread1of2ForFork0_~idx~0#1| Int) (v_ArrVal_6007 Int) (v_ArrVal_6003 Int)) (let ((.cse28 (store |c_#memory_int| |c_threadThread1of2ForFork0_Pop_~#head2~0#1.base| v_ArrVal_6000))) (let ((.cse31 (select .cse28 |c_~#stack~0.base|))) (let ((.cse30 (store (store .cse31 .cse8 v_ArrVal_6003) .cse9 |threadThread1of2ForFork0_~idx~0#1|))) (let ((.cse29 (store .cse30 (+ (* (select .cse30 .cse6) 8) |c_~#stack~0.offset| 4) v_ArrVal_6007))) (or (not (= (select (select (store .cse28 |c_~#stack~0.base| .cse29) |threadThread2of2ForFork0_Pop_~#head2~0#1.base|) 0) (select .cse29 .cse6))) (< (select .cse30 .cse8) 2) (< (select .cse31 .cse8) (+ v_ArrVal_6003 1)) (= (select (store .cse29 .cse6 v_ArrVal_6010) .cse9) |threadThread1of2ForFork0_~idx~0#1|)))))))) (or .cse0 (forall ((|threadThread1of2ForFork0_Pop_~#head2~0#1.base| Int)) (let ((.cse32 (select (select |c_#memory_int| |threadThread1of2ForFork0_Pop_~#head2~0#1.base|) 0))) (or (not (= |c_threadThread1of2ForFork0_Pop_~head1~0#1| .cse32)) (not (= .cse32 .cse2)))))) (or (not .cse17) .cse33) (or (not .cse34) .cse33) (forall ((|threadThread1of2ForFork0_Pop_~#head2~0#1.base| Int)) (let ((.cse35 (select (select |c_#memory_int| |threadThread1of2ForFork0_Pop_~#head2~0#1.base|) |c_threadThread1of2ForFork0_Pop_~#head2~0#1.offset|))) (or (= .cse35 .cse2) (forall ((v_ArrVal_6010 Int) (|threadThread2of2ForFork0_Pop_~#head2~0#1.base| Int) (v_ArrVal_6000 (Array Int Int)) (|threadThread1of2ForFork0_~idx~0#1| Int) (v_ArrVal_6007 Int) (v_ArrVal_6003 Int)) (let ((.cse38 (store |c_#memory_int| |threadThread1of2ForFork0_Pop_~#head2~0#1.base| v_ArrVal_6000))) (let ((.cse39 (select .cse38 |c_~#stack~0.base|))) (let ((.cse36 (store (store .cse39 .cse8 v_ArrVal_6003) .cse9 |threadThread1of2ForFork0_~idx~0#1|))) (let ((.cse37 (store .cse36 (+ (* 8 (select .cse36 .cse6)) |c_~#stack~0.offset| 4) v_ArrVal_6007))) (or (< (select .cse36 .cse8) 2) (= (select (store .cse37 .cse6 v_ArrVal_6010) .cse9) |threadThread1of2ForFork0_~idx~0#1|) (not (= (select (select (store .cse38 |c_~#stack~0.base| .cse37) |threadThread2of2ForFork0_Pop_~#head2~0#1.base|) 0) (select .cse37 .cse6))) (< (select .cse39 .cse8) (+ v_ArrVal_6003 1)))))))) (not (= |c_threadThread1of2ForFork0_Pop_~head1~0#1| .cse35))))) (or .cse22 .cse34))))) is different from true [2022-12-13 09:49:16,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:49:21,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:49:24,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:49:26,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:49:29,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:49:31,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:49:32,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:49:48,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:49:50,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:49:52,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:49:55,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:49:56,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:49:58,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:50:01,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:50:03,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:50:05,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:50:07,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:50:09,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:50:12,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:50:38,679 WARN L233 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 98 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:50:40,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:50:42,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:50:44,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:50:46,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:50:48,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:50:51,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:50:53,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:50:56,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:50:58,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:51:01,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:51:30,692 WARN L233 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:51:32,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:51:34,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:51:36,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:51:39,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:51:41,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:51:43,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:51:45,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:51:46,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:51:48,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:51:49,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:51:51,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:51:53,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:51:56,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:51:59,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:52:10,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:52:25,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:52:27,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:52:31,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:52:38,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:52:43,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:52:47,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:52:53,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:52:59,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:05,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:07,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:10,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:11,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:14,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:16,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:19,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:22,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:36,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:39,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:43,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:44,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:46,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:49,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:51,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:52,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:55,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:53:59,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:54:02,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:54:13,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:54:21,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:54:27,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:54:31,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:54:39,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:54:50,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:54:52,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:54:55,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:55:07,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:55:09,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:55:18,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:55:26,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:55:31,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:55:38,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:56:01,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:56:10,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:56:12,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:56:14,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:56:28,325 WARN L233 SmtUtils]: Spent 5.83s on a formula simplification. DAG size of input: 265 DAG size of output: 229 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:56:29,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:56:31,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:56:33,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:57:09,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:57:10,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]