./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-complex/safestack_relacy.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-complex/safestack_relacy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --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-38b53e6 [2022-11-25 18:48:38,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:48:38,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:48:38,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:48:38,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:48:38,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:48:38,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:48:38,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:48:38,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:48:38,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:48:38,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:48:38,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:48:38,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:48:38,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:48:38,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:48:38,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:48:38,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:48:38,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:48:38,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:48:38,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:48:38,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:48:38,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:48:38,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:48:38,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:48:39,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:48:39,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:48:39,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:48:39,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:48:39,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:48:39,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:48:39,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:48:39,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:48:39,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:48:39,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:48:39,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:48:39,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:48:39,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:48:39,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:48:39,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:48:39,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:48:39,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:48:39,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-11-25 18:48:39,057 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:48:39,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:48:39,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:48:39,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:48:39,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:48:39,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:48:39,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:48:39,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:48:39,061 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:48:39,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:48:39,063 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:48:39,063 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:48:39,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:48:39,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:48:39,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:48:39,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:48:39,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:48:39,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:48:39,065 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 18:48:39,065 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:48:39,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:48:39,065 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:48:39,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:48:39,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:48:39,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:48:39,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-25 18:48:39,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:48:39,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:48:39,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:48:39,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:48:39,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:48:39,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:48:39,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:48:39,069 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:48:39,070 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-25 18:48:39,070 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:48:39,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:48:39,070 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:48:39,071 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:48:39,071 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_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d61eb304445c3cb39dfadfa4748d680ea5f0f4958f8bc176e8bc3c77c47e674 [2022-11-25 18:48:39,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:48:39,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:48:39,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:48:39,409 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:48:39,409 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:48:39,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/pthread-complex/safestack_relacy.i [2022-11-25 18:48:42,587 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:48:42,987 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:48:42,987 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/sv-benchmarks/c/pthread-complex/safestack_relacy.i [2022-11-25 18:48:43,013 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/data/7148ccbd5/2458ba7fb3f4466a8020ecf12a429ef9/FLAG646697db7 [2022-11-25 18:48:43,033 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/data/7148ccbd5/2458ba7fb3f4466a8020ecf12a429ef9 [2022-11-25 18:48:43,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:48:43,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:48:43,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:48:43,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:48:43,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:48:43,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:48:43" (1/1) ... [2022-11-25 18:48:43,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f17e6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:43, skipping insertion in model container [2022-11-25 18:48:43,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:48:43" (1/1) ... [2022-11-25 18:48:43,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:48:43,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:48:43,917 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:48:43,923 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:48:43,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:48:43,929 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:48:43,931 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:48:43,935 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:48:43,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:48:43,941 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:48:43,943 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:48:43,945 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:48:43,967 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_c1d9ac2b-d949-47bf-b718-9e3907344a01/sv-benchmarks/c/pthread-complex/safestack_relacy.i[78860,78873] [2022-11-25 18:48:43,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:48:43,985 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:48:44,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:48:44,040 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:48:44,042 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:48:44,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:48:44,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:48:44,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:48:44,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:48:44,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:48:44,052 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:48:44,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:48:44,067 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_c1d9ac2b-d949-47bf-b718-9e3907344a01/sv-benchmarks/c/pthread-complex/safestack_relacy.i[78860,78873] [2022-11-25 18:48:44,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:48:44,267 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:48:44,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:44 WrapperNode [2022-11-25 18:48:44,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:48:44,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:48:44,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:48:44,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:48:44,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:44" (1/1) ... [2022-11-25 18:48:44,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:44" (1/1) ... [2022-11-25 18:48:44,410 INFO L138 Inliner]: procedures = 481, calls = 74, calls flagged for inlining = 19, calls inlined = 19, statements flattened = 471 [2022-11-25 18:48:44,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:48:44,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:48:44,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:48:44,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:48:44,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:44" (1/1) ... [2022-11-25 18:48:44,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:44" (1/1) ... [2022-11-25 18:48:44,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:44" (1/1) ... [2022-11-25 18:48:44,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:44" (1/1) ... [2022-11-25 18:48:44,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:44" (1/1) ... [2022-11-25 18:48:44,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:44" (1/1) ... [2022-11-25 18:48:44,541 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:44" (1/1) ... [2022-11-25 18:48:44,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:44" (1/1) ... [2022-11-25 18:48:44,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:48:44,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:48:44,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:48:44,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:48:44,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:44" (1/1) ... [2022-11-25 18:48:44,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:48:44,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:48:44,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:48:44,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:48:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 18:48:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:48:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 18:48:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:48:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:48:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2022-11-25 18:48:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2022-11-25 18:48:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:48:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:48:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:48:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:48:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:48:44,654 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:48:45,054 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:48:45,056 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:48:46,005 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:48:46,319 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:48:46,319 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-25 18:48:46,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:48:46 BoogieIcfgContainer [2022-11-25 18:48:46,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:48:46,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:48:46,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:48:46,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:48:46,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:48:43" (1/3) ... [2022-11-25 18:48:46,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223b6d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:48:46, skipping insertion in model container [2022-11-25 18:48:46,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:44" (2/3) ... [2022-11-25 18:48:46,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223b6d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:48:46, skipping insertion in model container [2022-11-25 18:48:46,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:48:46" (3/3) ... [2022-11-25 18:48:46,336 INFO L112 eAbstractionObserver]: Analyzing ICFG safestack_relacy.i [2022-11-25 18:48:46,345 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:48:46,355 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:48:46,356 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-11-25 18:48:46,356 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:48:46,536 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-25 18:48:46,649 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:48:46,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-25 18:48:46,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:48:46,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-25 18:48:46,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-25 18:48:46,733 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-25 18:48:46,747 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread1of1ForFork0 ======== [2022-11-25 18:48:46,753 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;@608f99a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:48:46,754 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-25 18:48:47,279 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:48:47,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:48:47,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1837606448, now seen corresponding path program 1 times [2022-11-25 18:48:47,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:48:47,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100947979] [2022-11-25 18:48:47,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:48:47,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:48:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:48:47,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:48:47,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:48:47,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100947979] [2022-11-25 18:48:47,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100947979] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:48:47,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:48:47,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:48:47,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240597635] [2022-11-25 18:48:47,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:48:47,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:48:47,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:48:47,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:48:47,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:48:47,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:47,775 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:48:47,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 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) [2022-11-25 18:48:47,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:47,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:47,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:48:47,837 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:48:47,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:48:47,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1715125442, now seen corresponding path program 1 times [2022-11-25 18:48:47,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:48:47,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977419617] [2022-11-25 18:48:47,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:48:47,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:48:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:48:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:48:48,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:48:48,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977419617] [2022-11-25 18:48:48,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977419617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:48:48,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:48:48,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:48:48,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432031395] [2022-11-25 18:48:48,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:48:48,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:48:48,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:48:48,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:48:48,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:48:48,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:48,149 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:48:48,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2022-11-25 18:48:48,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:48,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:48,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:48,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:48:48,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:48:48,306 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:48:48,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:48:48,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1850577708, now seen corresponding path program 1 times [2022-11-25 18:48:48,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:48:48,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596857165] [2022-11-25 18:48:48,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:48:48,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:48:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:48:48,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:48:48,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:48:48,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596857165] [2022-11-25 18:48:48,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596857165] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:48:48,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116023172] [2022-11-25 18:48:48,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:48:48,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:48:48,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:48:48,852 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:48:48,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 18:48:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:48:49,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 18:48:49,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:48:49,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:48:49,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:48:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:48:49,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116023172] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:48:49,353 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:48:49,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-11-25 18:48:49,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638613557] [2022-11-25 18:48:49,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:48:49,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-25 18:48:49,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:48:49,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-25 18:48:49,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-25 18:48:49,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:49,365 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:48:49,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.266666666666667) internal successors, (139), 15 states have internal predecessors, (139), 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) [2022-11-25 18:48:49,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:49,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:48:49,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:48:49,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:48:49,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:48:49,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:48:49,797 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:48:49,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:48:49,797 INFO L85 PathProgramCache]: Analyzing trace with hash 302669186, now seen corresponding path program 2 times [2022-11-25 18:48:49,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:48:49,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984347269] [2022-11-25 18:48:49,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:48:49,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:48:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:48:50,486 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 18:48:50,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:48:50,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984347269] [2022-11-25 18:48:50,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984347269] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:48:50,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:48:50,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:48:50,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902257704] [2022-11-25 18:48:50,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:48:50,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:48:50,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:48:50,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:48:50,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:48:50,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:50,491 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:48:50,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 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) [2022-11-25 18:48:50,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:50,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:48:50,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:48:50,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:50,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:50,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:48:50,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:48:50,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:48:50,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:48:50,777 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:48:50,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:48:50,777 INFO L85 PathProgramCache]: Analyzing trace with hash -2009121063, now seen corresponding path program 1 times [2022-11-25 18:48:50,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:48:50,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623762415] [2022-11-25 18:48:50,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:48:50,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:48:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:48:50,991 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 18:48:50,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:48:50,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623762415] [2022-11-25 18:48:50,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623762415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:48:50,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:48:50,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:48:50,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101970986] [2022-11-25 18:48:50,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:48:50,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:48:50,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:48:50,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:48:50,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:48:50,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:50,996 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:48:50,997 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) [2022-11-25 18:48:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:48:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:48:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:48:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:52,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:52,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:48:52,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:48:52,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:48:52,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:48:52,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:48:52,807 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:48:52,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:48:52,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1338230380, now seen corresponding path program 1 times [2022-11-25 18:48:52,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:48:52,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924773415] [2022-11-25 18:48:52,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:48:52,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:48:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:48:54,203 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 18:48:54,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:48:54,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924773415] [2022-11-25 18:48:54,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924773415] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:48:54,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527676827] [2022-11-25 18:48:54,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:48:54,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:48:54,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:48:54,205 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:48:54,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 18:48:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:48:54,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-25 18:48:54,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:48:55,603 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 [2022-11-25 18:48:55,633 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 18:48:55,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:48:55,961 INFO L321 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2022-11-25 18:48:55,962 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 [2022-11-25 18:48:55,992 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 18:48:55,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527676827] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:48:55,994 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:48:55,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 13] total 26 [2022-11-25 18:48:55,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382944925] [2022-11-25 18:48:55,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:48:55,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-25 18:48:55,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:48:55,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-25 18:48:55,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2022-11-25 18:48:55,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:56,001 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:48:56,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 12.5) internal successors, (325), 26 states have internal predecessors, (325), 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) [2022-11-25 18:48:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:48:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:48:56,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:48:56,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:48:56,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:48:56,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:00,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:00,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:00,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:49:00,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:00,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:49:00,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:49:00,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:49:00,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:49:00,366 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:49:00,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:49:00,366 INFO L85 PathProgramCache]: Analyzing trace with hash 2093936730, now seen corresponding path program 1 times [2022-11-25 18:49:00,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:49:00,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548675170] [2022-11-25 18:49:00,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:00,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:49:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:49:01,625 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-25 18:49:01,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:49:01,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548675170] [2022-11-25 18:49:01,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548675170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:49:01,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:49:01,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:49:01,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430107382] [2022-11-25 18:49:01,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:49:01,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:49:01,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:49:01,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:49:01,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:49:01,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:01,633 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:49:01,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 37.4) internal successors, (187), 6 states have internal predecessors, (187), 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) [2022-11-25 18:49:01,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:01,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:01,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:49:01,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:01,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:49:01,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:49:01,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:03,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:03,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:03,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:49:03,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:03,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:49:03,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:49:03,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:03,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:49:03,850 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr15ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:49:03,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:49:03,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1829120585, now seen corresponding path program 1 times [2022-11-25 18:49:03,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:49:03,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890003427] [2022-11-25 18:49:03,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:03,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:49:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:49:04,959 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-25 18:49:04,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:49:04,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890003427] [2022-11-25 18:49:04,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890003427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:49:04,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:49:04,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:49:04,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680066944] [2022-11-25 18:49:04,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:49:04,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:49:04,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:49:04,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:49:04,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:49:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:04,964 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:49:04,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.8) internal successors, (194), 6 states have internal predecessors, (194), 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) [2022-11-25 18:49:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:04,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:49:04,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:04,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:49:04,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:49:04,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:04,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:05,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:05,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:05,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:49:05,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:05,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:49:05,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:49:05,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:05,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:05,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 18:49:05,598 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr17ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:49:05,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:49:05,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1254922229, now seen corresponding path program 1 times [2022-11-25 18:49:05,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:49:05,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548686501] [2022-11-25 18:49:05,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:05,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:49:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:49:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-25 18:49:06,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:49:06,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548686501] [2022-11-25 18:49:06,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548686501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:49:06,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:49:06,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:49:06,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326008226] [2022-11-25 18:49:06,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:49:06,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:49:06,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:49:06,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:49:06,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:49:06,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:06,852 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:49:06,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 45.0) internal successors, (225), 6 states have internal predecessors, (225), 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) [2022-11-25 18:49:06,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:06,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:06,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:49:06,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:06,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:49:06,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:49:06,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:06,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:06,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:35,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:35,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:35,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:49:35,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:35,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:49:35,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:49:35,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:35,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:35,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:35,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 18:49:35,754 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:49:35,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:49:35,754 INFO L85 PathProgramCache]: Analyzing trace with hash 822353242, now seen corresponding path program 1 times [2022-11-25 18:49:35,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:49:35,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91234800] [2022-11-25 18:49:35,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:35,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:49:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:49:36,932 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 432 proven. 1 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-25 18:49:36,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:49:36,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91234800] [2022-11-25 18:49:36,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91234800] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:49:36,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452667878] [2022-11-25 18:49:36,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:36,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:49:36,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:49:36,935 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:49:36,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 18:49:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:49:37,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 3761 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 18:49:37,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:49:38,287 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 432 proven. 1 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-25 18:49:38,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:49:38,626 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 432 proven. 1 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-25 18:49:38,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452667878] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:49:38,627 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:49:38,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-11-25 18:49:38,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846379731] [2022-11-25 18:49:38,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:49:38,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:49:38,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:49:38,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:49:38,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:49:38,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:38,633 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:49:38,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 133.0) internal successors, (798), 6 states have internal predecessors, (798), 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) [2022-11-25 18:49:38,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:38,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:38,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:49:38,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:38,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:49:38,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:49:38,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:38,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:38,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:38,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:45,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:45,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:45,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:49:45,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:45,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:49:45,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:49:45,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:45,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:45,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:45,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:49:45,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr14ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2022-11-25 18:49:45,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr15ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2022-11-25 18:49:45,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2022-11-25 18:49:45,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr16ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2022-11-25 18:49:45,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr1ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2022-11-25 18:49:45,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr17ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2022-11-25 18:49:45,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr2ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2022-11-25 18:49:45,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr3ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2022-11-25 18:49:45,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr24ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2022-11-25 18:49:45,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr25ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2022-11-25 18:49:45,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr26ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2022-11-25 18:49:45,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr18ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2022-11-25 18:49:45,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr19ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2022-11-25 18:49:45,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr20ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2022-11-25 18:49:45,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr21ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2022-11-25 18:49:45,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr22ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2022-11-25 18:49:45,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr23ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2022-11-25 18:49:45,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr4ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2022-11-25 18:49:45,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr5ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2022-11-25 18:49:45,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr6ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2022-11-25 18:49:45,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr7ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2022-11-25 18:49:45,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr8ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2022-11-25 18:49:45,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr9ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2022-11-25 18:49:45,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr10ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2022-11-25 18:49:45,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr11ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2022-11-25 18:49:45,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr12ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2022-11-25 18:49:45,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location threadErr13ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2022-11-25 18:49:45,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 18:49:45,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-25 18:49:45,504 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:49:45,506 INFO L307 ceAbstractionStarter]: Result for error location threadThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2022-11-25 18:49:45,511 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:49:45,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-25 18:49:45,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:49:45,513 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-25 18:49:45,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-11-25 18:49:45,526 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-25 18:49:45,526 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-25 18:49:45,527 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;@608f99a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:49:45,527 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-25 18:49:45,562 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-25 18:49:45,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:49:45,562 INFO L85 PathProgramCache]: Analyzing trace with hash -52023749, now seen corresponding path program 1 times [2022-11-25 18:49:45,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:49:45,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738518257] [2022-11-25 18:49:45,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:45,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:49:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:49:45,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:49:45,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:49:45,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738518257] [2022-11-25 18:49:45,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738518257] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:49:45,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:49:45,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 18:49:45,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197838129] [2022-11-25 18:49:45,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:49:45,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:49:45,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:49:45,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:49:45,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:49:45,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:45,666 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:49:45,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 39.0) internal successors, (39), 2 states have internal predecessors, (39), 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) [2022-11-25 18:49:45,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:45,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:45,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 18:49:45,688 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-25 18:49:45,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:49:45,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1864871097, now seen corresponding path program 1 times [2022-11-25 18:49:45,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:49:45,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405677390] [2022-11-25 18:49:45,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:45,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:49:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:49:45,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:49:45,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:49:45,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405677390] [2022-11-25 18:49:45,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405677390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:49:45,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:49:45,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:49:45,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810326981] [2022-11-25 18:49:45,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:49:45,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:49:45,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:49:45,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:49:45,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:49:45,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:45,806 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:49:45,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 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) [2022-11-25 18:49:45,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:45,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:45,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:45,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:45,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 18:49:45,867 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-25 18:49:45,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:49:45,867 INFO L85 PathProgramCache]: Analyzing trace with hash -848399115, now seen corresponding path program 1 times [2022-11-25 18:49:45,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:49:45,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624903949] [2022-11-25 18:49:45,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:45,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:49:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:49:45,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 18:49:45,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:49:45,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624903949] [2022-11-25 18:49:45,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624903949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:49:45,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:49:45,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:49:45,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666558985] [2022-11-25 18:49:45,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:49:45,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:49:45,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:49:45,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:49:45,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:49:45,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:45,939 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:49:45,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2022-11-25 18:49:45,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:45,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:45,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:46,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:46,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:46,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:49:46,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 18:49:46,133 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-25 18:49:46,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:49:46,134 INFO L85 PathProgramCache]: Analyzing trace with hash 2145840045, now seen corresponding path program 1 times [2022-11-25 18:49:46,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:49:46,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63523622] [2022-11-25 18:49:46,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:46,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:49:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:49:46,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 18:49:46,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:49:46,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63523622] [2022-11-25 18:49:46,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63523622] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:49:46,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442205449] [2022-11-25 18:49:46,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:46,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:49:46,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:49:46,321 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:49:46,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 18:49:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:49:46,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 18:49:46,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:49:46,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 18:49:46,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:49:46,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 18:49:46,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442205449] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:49:46,912 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:49:46,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 12 [2022-11-25 18:49:46,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451983639] [2022-11-25 18:49:46,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:49:46,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 18:49:46,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:49:46,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 18:49:46,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:49:46,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:46,915 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:49:46,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.666666666666666) internal successors, (152), 12 states have internal predecessors, (152), 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) [2022-11-25 18:49:46,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:46,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:46,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:49:46,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:47,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:49:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 18:49:47,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-25 18:49:47,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-25 18:49:47,344 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-25 18:49:47,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:49:47,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1072020697, now seen corresponding path program 1 times [2022-11-25 18:49:47,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:49:47,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150068369] [2022-11-25 18:49:47,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:47,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:49:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:49:47,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:49:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:49:47,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:49:47,469 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:49:47,469 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2022-11-25 18:49:47,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2022-11-25 18:49:47,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-11-25 18:49:47,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2022-11-25 18:49:47,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-11-25 18:49:47,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2022-11-25 18:49:47,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 18:49:47,475 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-25 18:49:47,475 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2022-11-25 18:49:47,476 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-25 18:49:47,476 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-25 18:49:47,594 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-25 18:49:47,599 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:49:47,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-25 18:49:47,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:49:47,601 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-25 18:49:47,611 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-25 18:49:47,612 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread1of2ForFork0 ======== [2022-11-25 18:49:47,612 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;@608f99a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:49:47,612 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-25 18:49:47,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2022-11-25 18:49:49,203 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:49:49,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:49:49,204 INFO L85 PathProgramCache]: Analyzing trace with hash -882480037, now seen corresponding path program 1 times [2022-11-25 18:49:49,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:49:49,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801823506] [2022-11-25 18:49:49,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:49,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:49:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:49:49,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:49:49,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:49:49,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801823506] [2022-11-25 18:49:49,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801823506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:49:49,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:49:49,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:49:49,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263543903] [2022-11-25 18:49:49,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:49:49,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:49:49,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:49:49,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:49:49,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:49:49,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:49,253 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:49:49,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 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) [2022-11-25 18:49:49,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:49,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:49,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 18:49:49,702 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:49:49,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:49:49,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1489963762, now seen corresponding path program 1 times [2022-11-25 18:49:49,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:49:49,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053189913] [2022-11-25 18:49:49,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:49,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:49:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:49:49,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:49:49,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:49:49,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053189913] [2022-11-25 18:49:49,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053189913] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:49:49,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:49:49,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:49:49,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801503991] [2022-11-25 18:49:49,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:49:49,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:49:49,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:49:49,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:49:49,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:49:49,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:49,833 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:49:49,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2022-11-25 18:49:49,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:49,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:50,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:50,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:50,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 18:49:50,335 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:49:50,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:49:50,336 INFO L85 PathProgramCache]: Analyzing trace with hash -76082505, now seen corresponding path program 1 times [2022-11-25 18:49:50,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:49:50,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017776628] [2022-11-25 18:49:50,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:50,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:49:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:49:50,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:49:50,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:49:50,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017776628] [2022-11-25 18:49:50,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017776628] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:49:50,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226718705] [2022-11-25 18:49:50,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:50,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:49:50,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:49:50,561 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:49:50,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 18:49:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:49:50,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 18:49:50,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:49:51,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:49:51,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:49:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:49:51,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226718705] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:49:51,164 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:49:51,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-11-25 18:49:51,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471525192] [2022-11-25 18:49:51,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:49:51,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-25 18:49:51,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:49:51,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-25 18:49:51,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-25 18:49:51,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:51,168 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:49:51,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.266666666666667) internal successors, (139), 15 states have internal predecessors, (139), 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) [2022-11-25 18:49:51,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:51,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:51,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:52,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:52,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:52,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:49:52,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 18:49:52,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-25 18:49:52,264 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:49:52,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:49:52,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1821179538, now seen corresponding path program 2 times [2022-11-25 18:49:52,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:49:52,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443442735] [2022-11-25 18:49:52,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:52,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:49:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:49:52,726 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 18:49:52,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:49:52,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443442735] [2022-11-25 18:49:52,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443442735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:49:52,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:49:52,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:49:52,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543551193] [2022-11-25 18:49:52,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:49:52,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:49:52,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:49:52,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:49:52,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:49:52,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:52,731 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:49:52,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 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) [2022-11-25 18:49:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:49:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:54,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:54,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:54,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:49:54,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:54,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 18:49:54,412 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:49:54,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:49:54,412 INFO L85 PathProgramCache]: Analyzing trace with hash 716515108, now seen corresponding path program 1 times [2022-11-25 18:49:54,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:49:54,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864188674] [2022-11-25 18:49:54,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:49:54,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:49:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:49:54,656 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 18:49:54,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:49:54,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864188674] [2022-11-25 18:49:54,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864188674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:49:54,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:49:54,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:49:54,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138944778] [2022-11-25 18:49:54,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:49:54,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:49:54,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:49:54,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:49:54,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:49:54,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:54,661 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:49:54,662 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) [2022-11-25 18:49:54,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:49:54,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:49:54,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:49:54,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:49:54,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:05,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:05,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:05,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:50:05,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:50:05,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:50:05,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-25 18:50:05,317 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:50:05,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:50:05,318 INFO L85 PathProgramCache]: Analyzing trace with hash -163290280, now seen corresponding path program 1 times [2022-11-25 18:50:05,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:50:05,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940951937] [2022-11-25 18:50:05,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:50:05,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:50:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:50:06,304 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 18:50:06,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:50:06,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940951937] [2022-11-25 18:50:06,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940951937] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:50:06,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528645619] [2022-11-25 18:50:06,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:50:06,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:50:06,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:50:06,306 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:50:06,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 18:50:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:50:06,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-25 18:50:06,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:50:07,609 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 [2022-11-25 18:50:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 18:50:07,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:50:07,942 INFO L321 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2022-11-25 18:50:07,942 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 [2022-11-25 18:50:07,967 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 18:50:07,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528645619] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:50:07,968 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:50:07,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 13] total 26 [2022-11-25 18:50:07,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546788981] [2022-11-25 18:50:07,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:50:07,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-25 18:50:07,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:50:07,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-25 18:50:07,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2022-11-25 18:50:07,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:07,972 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:50:07,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 12.5) internal successors, (325), 26 states have internal predecessors, (325), 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) [2022-11-25 18:50:07,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:07,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:07,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:50:07,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:50:07,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:50:07,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:21,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:21,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:21,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:50:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:50:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:50:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-25 18:50:21,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 18:50:21,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-25 18:50:21,543 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:50:21,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:50:21,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1472617779, now seen corresponding path program 1 times [2022-11-25 18:50:21,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:50:21,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136406583] [2022-11-25 18:50:21,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:50:21,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:50:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:50:21,728 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-11-25 18:50:21,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:50:21,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136406583] [2022-11-25 18:50:21,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136406583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:50:21,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:50:21,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:50:21,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632172904] [2022-11-25 18:50:21,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:50:21,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:50:21,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:50:21,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:50:21,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:50:21,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:21,733 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:50:21,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 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) [2022-11-25 18:50:21,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:21,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:21,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:50:21,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:50:21,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:50:21,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-25 18:50:21,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:27,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:27,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:27,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:50:27,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:50:27,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:50:27,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-25 18:50:27,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:50:27,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-25 18:50:27,404 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:50:27,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:50:27,405 INFO L85 PathProgramCache]: Analyzing trace with hash 521480315, now seen corresponding path program 1 times [2022-11-25 18:50:27,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:50:27,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505910087] [2022-11-25 18:50:27,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:50:27,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:50:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:50:27,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 388 proven. 12 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-11-25 18:50:27,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:50:27,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505910087] [2022-11-25 18:50:27,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505910087] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:50:27,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820539443] [2022-11-25 18:50:27,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:50:27,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:50:27,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:50:27,786 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:50:27,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 18:50:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:50:28,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:50:28,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:50:28,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 388 proven. 12 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-11-25 18:50:28,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:50:28,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 388 proven. 12 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-11-25 18:50:28,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820539443] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:50:28,661 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:50:28,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2022-11-25 18:50:28,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899002999] [2022-11-25 18:50:28,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:50:28,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:50:28,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:50:28,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:50:28,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:50:28,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:28,667 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:50:28,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 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) [2022-11-25 18:50:28,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:28,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:28,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:50:28,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:50:28,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:50:28,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-25 18:50:28,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:50:28,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:29,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:29,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:29,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:50:29,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:50:29,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:50:29,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-25 18:50:29,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:50:29,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:29,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-25 18:50:29,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:50:29,782 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:50:29,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:50:29,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1332600461, now seen corresponding path program 1 times [2022-11-25 18:50:29,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:50:29,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018824604] [2022-11-25 18:50:29,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:50:29,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:50:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:50:30,001 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2022-11-25 18:50:30,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:50:30,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018824604] [2022-11-25 18:50:30,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018824604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:50:30,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:50:30,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:50:30,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026217107] [2022-11-25 18:50:30,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:50:30,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:50:30,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:50:30,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:50:30,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:50:30,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:30,006 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:50:30,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 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) [2022-11-25 18:50:30,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:30,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:30,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:50:30,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:50:30,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:50:30,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-25 18:50:30,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:50:30,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:30,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:35,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:35,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:35,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:50:35,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:50:35,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:50:35,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-25 18:50:35,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:50:35,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:35,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:50:35,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-25 18:50:35,863 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:50:35,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:50:35,864 INFO L85 PathProgramCache]: Analyzing trace with hash 527619152, now seen corresponding path program 1 times [2022-11-25 18:50:35,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:50:35,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768291500] [2022-11-25 18:50:35,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:50:35,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:50:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:50:38,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2903 backedges. 1765 proven. 559 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-11-25 18:50:38,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:50:38,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768291500] [2022-11-25 18:50:38,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768291500] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:50:38,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011414417] [2022-11-25 18:50:38,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:50:38,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:50:38,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:50:38,019 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:50:38,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-25 18:50:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:50:38,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 1449 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-25 18:50:38,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:50:40,725 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 [2022-11-25 18:50:40,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2903 backedges. 1447 proven. 767 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-11-25 18:50:40,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:50:42,005 INFO L321 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2022-11-25 18:50:42,006 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 [2022-11-25 18:50:42,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2903 backedges. 1619 proven. 595 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-11-25 18:50:42,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011414417] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:50:42,101 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:50:42,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 13] total 28 [2022-11-25 18:50:42,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353744568] [2022-11-25 18:50:42,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:50:42,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-25 18:50:42,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:50:42,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-25 18:50:42,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2022-11-25 18:50:42,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:42,107 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:50:42,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 18.714285714285715) internal successors, (524), 28 states have internal predecessors, (524), 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) [2022-11-25 18:50:42,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:42,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:42,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:50:42,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:50:42,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:50:42,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-25 18:50:42,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:50:42,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:42,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:50:42,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:57,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:50:57,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:57,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:50:57,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:50:57,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:50:57,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-25 18:50:57,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:50:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:50:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:50:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-11-25 18:50:57,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-11-25 18:50:57,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-25 18:50:57,494 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:50:57,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:50:57,494 INFO L85 PathProgramCache]: Analyzing trace with hash -64442981, now seen corresponding path program 1 times [2022-11-25 18:50:57,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:50:57,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549109623] [2022-11-25 18:50:57,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:50:57,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:50:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:50:58,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 973 proven. 137 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-11-25 18:50:58,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:50:58,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549109623] [2022-11-25 18:50:58,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549109623] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:50:58,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609357909] [2022-11-25 18:50:58,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:50:58,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:50:58,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:50:58,981 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:50:59,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-25 18:50:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:50:59,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-25 18:50:59,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:51:00,398 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 [2022-11-25 18:51:00,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 785 proven. 325 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-11-25 18:51:00,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:51:01,211 INFO L321 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2022-11-25 18:51:01,211 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 [2022-11-25 18:51:01,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 1103 proven. 7 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-11-25 18:51:01,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609357909] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:51:01,234 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:51:01,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 13] total 29 [2022-11-25 18:51:01,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659322295] [2022-11-25 18:51:01,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:51:01,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-25 18:51:01,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:51:01,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-25 18:51:01,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=727, Unknown=0, NotChecked=0, Total=812 [2022-11-25 18:51:01,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:01,239 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:51:01,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 15.793103448275861) internal successors, (458), 29 states have internal predecessors, (458), 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) [2022-11-25 18:51:01,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:01,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:01,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:51:01,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:01,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:01,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-25 18:51:01,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:01,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:01,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:01,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-11-25 18:51:01,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:12,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:12,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:12,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:51:12,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:12,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:12,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-25 18:51:12,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:12,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:12,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:12,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-11-25 18:51:12,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-25 18:51:12,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-25 18:51:12,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-11-25 18:51:12,845 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:51:12,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:51:12,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1891097457, now seen corresponding path program 1 times [2022-11-25 18:51:12,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:51:12,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691113572] [2022-11-25 18:51:12,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:12,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:51:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-25 18:51:14,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:51:14,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691113572] [2022-11-25 18:51:14,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691113572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:51:14,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:51:14,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:51:14,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673773641] [2022-11-25 18:51:14,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:51:14,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:51:14,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:51:14,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:51:14,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:51:14,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:14,057 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:51:14,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 41.2) internal successors, (206), 6 states have internal predecessors, (206), 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) [2022-11-25 18:51:14,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:14,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:14,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:51:14,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:14,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:14,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-25 18:51:14,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:14,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:14,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:14,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-11-25 18:51:14,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-25 18:51:14,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:15,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:15,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:15,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:51:15,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:15,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:15,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-25 18:51:15,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:15,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:15,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:15,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-11-25 18:51:15,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-25 18:51:15,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:15,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-25 18:51:15,664 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting threadErr15ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:51:15,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:51:15,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1400191081, now seen corresponding path program 1 times [2022-11-25 18:51:15,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:51:15,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240608310] [2022-11-25 18:51:15,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:15,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:51:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:16,572 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-25 18:51:16,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:51:16,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240608310] [2022-11-25 18:51:16,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240608310] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:51:16,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:51:16,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:51:16,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058214422] [2022-11-25 18:51:16,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:51:16,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:51:16,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:51:16,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:51:16,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:51:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:16,576 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:51:16,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 42.6) internal successors, (213), 6 states have internal predecessors, (213), 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) [2022-11-25 18:51:16,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:16,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:16,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:51:16,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:16,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:16,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-25 18:51:16,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:16,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:16,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:16,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-11-25 18:51:16,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-25 18:51:16,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:16,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:18,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:18,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:18,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:51:18,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-25 18:51:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-11-25 18:51:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-25 18:51:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:18,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-25 18:51:18,127 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting threadErr17ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:51:18,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:51:18,127 INFO L85 PathProgramCache]: Analyzing trace with hash -966796158, now seen corresponding path program 1 times [2022-11-25 18:51:18,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:51:18,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305444923] [2022-11-25 18:51:18,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:18,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:51:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-25 18:51:19,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:51:19,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305444923] [2022-11-25 18:51:19,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305444923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:51:19,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:51:19,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:51:19,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509117469] [2022-11-25 18:51:19,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:51:19,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:51:19,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:51:19,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:51:19,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:51:19,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:19,004 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:51:19,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 48.8) internal successors, (244), 6 states have internal predecessors, (244), 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) [2022-11-25 18:51:19,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:19,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:19,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:51:19,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:19,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:19,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-25 18:51:19,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:19,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:19,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:19,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-11-25 18:51:19,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-25 18:51:19,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:19,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:19,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:28,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:28,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:51:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-25 18:51:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-11-25 18:51:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-25 18:51:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:28,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-25 18:51:28,796 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:51:28,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:51:28,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1869767103, now seen corresponding path program 1 times [2022-11-25 18:51:28,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:51:28,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920599525] [2022-11-25 18:51:28,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:28,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:51:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 488 proven. 39 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2022-11-25 18:51:34,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:51:34,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920599525] [2022-11-25 18:51:34,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920599525] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:51:34,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117050524] [2022-11-25 18:51:34,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:51:34,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:51:34,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:51:34,981 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:51:35,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-25 18:51:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:51:35,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 2118 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-25 18:51:35,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:51:37,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:51:37,239 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 16 treesize of output 18 [2022-11-25 18:51:37,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:51:37,347 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 16 treesize of output 18 [2022-11-25 18:51:37,593 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 [2022-11-25 18:51:38,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 882 proven. 432 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2022-11-25 18:51:38,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:51:38,991 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_7535 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_7535) |c_~#stack~0.base|) (+ |c_~#stack~0.offset| 28)) 2)) is different from false [2022-11-25 18:51:39,458 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:51:39,459 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 33 treesize of output 36 [2022-11-25 18:51:39,464 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 7 treesize of output 3 [2022-11-25 18:51:39,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 867 proven. 129 refuted. 0 times theorem prover too weak. 625 trivial. 154 not checked. [2022-11-25 18:51:39,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117050524] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:51:39,830 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:51:39,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 18, 16] total 54 [2022-11-25 18:51:39,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870626638] [2022-11-25 18:51:39,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:51:39,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-11-25 18:51:39,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:51:39,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-11-25 18:51:39,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=2538, Unknown=1, NotChecked=102, Total=2862 [2022-11-25 18:51:39,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:39,845 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:51:39,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 16.62962962962963) internal successors, (898), 54 states have internal predecessors, (898), 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) [2022-11-25 18:51:39,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:51:39,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:39,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:51:39,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:39,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:39,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-25 18:51:39,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:51:39,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:51:39,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:51:39,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-11-25 18:51:39,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-25 18:51:39,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:39,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:39,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:51:39,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:52:28,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:52:28,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:52:28,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:52:28,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:52:28,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:52:28,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-25 18:52:28,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:52:28,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:52:28,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:52:28,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-11-25 18:52:28,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-25 18:52:28,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:52:28,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:52:28,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:52:28,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-11-25 18:52:28,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-11-25 18:52:28,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:52:28,343 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:52:28,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:52:28,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1353621431, now seen corresponding path program 1 times [2022-11-25 18:52:28,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:52:28,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977635007] [2022-11-25 18:52:28,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:52:28,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:52:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:52:36,129 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 4195 proven. 177 refuted. 0 times theorem prover too weak. 3378 trivial. 0 not checked. [2022-11-25 18:52:36,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:52:36,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977635007] [2022-11-25 18:52:36,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977635007] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:52:36,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341821640] [2022-11-25 18:52:36,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:52:36,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:52:36,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:52:36,131 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:52:36,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-25 18:52:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:52:38,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 8116 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-25 18:52:38,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:52:40,168 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 [2022-11-25 18:52:41,723 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 2997 proven. 1375 refuted. 0 times theorem prover too weak. 3378 trivial. 0 not checked. [2022-11-25 18:52:41,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:52:43,518 INFO L321 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2022-11-25 18:52:43,518 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 [2022-11-25 18:52:43,546 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 4365 proven. 7 refuted. 0 times theorem prover too weak. 3378 trivial. 0 not checked. [2022-11-25 18:52:43,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341821640] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:52:43,546 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:52:43,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 13] total 29 [2022-11-25 18:52:43,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030301221] [2022-11-25 18:52:43,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:52:43,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-25 18:52:43,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:52:43,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-25 18:52:43,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=727, Unknown=0, NotChecked=0, Total=812 [2022-11-25 18:52:43,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:52:43,555 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:52:43,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 35.689655172413794) internal successors, (1035), 29 states have internal predecessors, (1035), 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) [2022-11-25 18:52:43,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:52:43,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:52:43,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:52:43,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:52:43,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:52:43,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-25 18:52:43,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:52:43,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:52:43,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:52:43,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-11-25 18:52:43,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-25 18:52:43,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:52:43,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:52:43,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:52:43,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-11-25 18:52:43,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:52:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:52:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:52:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:52:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:52:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:52:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-25 18:52:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:52:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:52:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:52:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-11-25 18:52:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-25 18:52:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:52:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:52:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:52:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-11-25 18:52:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-25 18:52:52,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-25 18:52:52,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:52:52,921 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting threadErr14ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:52:52,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:52:52,921 INFO L85 PathProgramCache]: Analyzing trace with hash 972457309, now seen corresponding path program 1 times [2022-11-25 18:52:52,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:52:52,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042834818] [2022-11-25 18:52:52,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:52:52,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:52:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:52:55,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 673 proven. 234 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2022-11-25 18:52:55,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:52:55,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042834818] [2022-11-25 18:52:55,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042834818] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:52:55,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104749678] [2022-11-25 18:52:55,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:52:55,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:52:55,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:52:55,170 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:52:55,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-25 18:52:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:52:56,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 3939 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-25 18:52:56,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:52:58,353 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 13 treesize of output 9 [2022-11-25 18:52:59,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:52:59,108 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 16 treesize of output 18 [2022-11-25 18:52:59,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:52:59,235 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 16 treesize of output 18 [2022-11-25 18:52:59,733 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 [2022-11-25 18:52:59,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 649 proven. 101 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2022-11-25 18:52:59,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:53:01,128 INFO L321 Elim1Store]: treesize reduction 19, result has 62.0 percent of original size [2022-11-25 18:53:01,129 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 70 [2022-11-25 18:53:01,145 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:53:01,145 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 64 treesize of output 61 [2022-11-25 18:53:01,181 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 7 treesize of output 3 [2022-11-25 18:53:01,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 642 proven. 116 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2022-11-25 18:53:01,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104749678] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:53:01,759 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:53:01,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 19, 17] total 39 [2022-11-25 18:53:01,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503972088] [2022-11-25 18:53:01,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:53:01,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-11-25 18:53:01,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:53:01,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-11-25 18:53:01,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1328, Unknown=5, NotChecked=0, Total=1482 [2022-11-25 18:53:01,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:01,765 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:53:01,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 34.82051282051282) internal successors, (1358), 39 states have internal predecessors, (1358), 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) [2022-11-25 18:53:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:53:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:53:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:53:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:53:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:53:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-25 18:53:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:53:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:53:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:53:01,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-11-25 18:53:01,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-25 18:53:01,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:53:01,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:53:01,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:53:01,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-11-25 18:53:01,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-25 18:53:01,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:55:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:55:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:55:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:55:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:55:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:55:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 18:55:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:55:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:55:26,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:55:26,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2022-11-25 18:55:26,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-25 18:55:26,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:55:26,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:55:26,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:55:26,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2022-11-25 18:55:26,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-25 18:55:26,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-25 18:55:26,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-11-25 18:55:27,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:55:27,173 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting threadErr17ASSERT_VIOLATIONDATA_RACE === [threadErr14ASSERT_VIOLATIONDATA_RACE, threadErr15ASSERT_VIOLATIONDATA_RACE, threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr16ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-25 18:55:27,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:55:27,174 INFO L85 PathProgramCache]: Analyzing trace with hash -2008095596, now seen corresponding path program 1 times [2022-11-25 18:55:27,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:55:27,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155332204] [2022-11-25 18:55:27,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:55:27,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:55:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:56:27,946 INFO L134 CoverageAnalysis]: Checked inductivity of 47020 backedges. 1165 proven. 2700 refuted. 0 times theorem prover too weak. 43155 trivial. 0 not checked. [2022-11-25 18:56:27,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:56:27,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155332204] [2022-11-25 18:56:27,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155332204] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:56:27,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680205187] [2022-11-25 18:56:27,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:56:27,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:56:27,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:56:27,961 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:56:27,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d9ac2b-d949-47bf-b718-9e3907344a01/bin/ugemcutter-syNpU3ikLH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-25 18:56:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:56:34,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 20355 conjuncts, 447 conjunts are in the unsatisfiable core [2022-11-25 18:56:34,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:56:35,228 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 18:56:35,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-25 18:56:35,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-11-25 18:56:35,765 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 18:56:35,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-25 18:56:36,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-11-25 18:56:36,820 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 7 treesize of output 3 [2022-11-25 18:56:37,105 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 18:56:37,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-25 18:56:37,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 12 treesize of output 4 [2022-11-25 18:56:37,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 11 treesize of output 3 [2022-11-25 18:56:37,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-11-25 18:56:38,083 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-25 18:56:38,084 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 11 treesize of output 11 [2022-11-25 18:57:00,822 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 14 treesize of output 16 [2022-11-25 18:57:00,868 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 20 treesize of output 20 [2022-11-25 18:57:01,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 228 [2022-11-25 18:57:01,981 INFO L321 Elim1Store]: treesize reduction 36, result has 25.0 percent of original size [2022-11-25 18:57:01,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 186 treesize of output 198 [2022-11-25 18:57:02,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 66 treesize of output 45 [2022-11-25 18:57:02,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:57:02,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 45 treesize of output 30 [2022-11-25 18:57:02,263 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 14 treesize of output 12 [2022-11-25 18:57:02,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:57:02,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:57:02,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:57:02,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:57:02,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 152 [2022-11-25 18:57:02,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2022-11-25 18:57:10,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:57:10,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:57:10,342 INFO L321 Elim1Store]: treesize reduction 16, result has 61.9 percent of original size [2022-11-25 18:57:10,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 93 [2022-11-25 18:57:10,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:57:10,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 52 treesize of output 27 [2022-11-25 18:57:10,371 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 23 treesize of output 19 [2022-11-25 18:57:11,929 INFO L321 Elim1Store]: treesize reduction 46, result has 20.7 percent of original size [2022-11-25 18:57:11,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 53 [2022-11-25 18:57:11,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2022-11-25 18:57:12,652 INFO L134 CoverageAnalysis]: Checked inductivity of 47020 backedges. 11350 proven. 2214 refuted. 0 times theorem prover too weak. 33456 trivial. 0 not checked. [2022-11-25 18:57:12,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:57:13,637 INFO L321 Elim1Store]: treesize reduction 20, result has 63.6 percent of original size [2022-11-25 18:57:13,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 190 treesize of output 243 [2022-11-25 18:57:13,702 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:57:13,703 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 93 treesize of output 87 [2022-11-25 18:57:13,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 13 [2022-11-25 18:57:14,948 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_store_~obj#1.base| (store (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_store_~obj#1.base|) |c_threadThread1of2ForFork0_atomic_store_~obj#1.offset| |c_threadThread1of2ForFork0_atomic_store_#in~v#1|)))) (or (= (select (select .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select (select .cse0 |c_~#stack~0.base|) (+ |c_~#stack~0.offset| 24))) (forall ((v_ArrVal_31708 (Array Int Int))) (< (select (select (store .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) (+ |c_~#stack~0.offset| 28)) 2)))) is different from false [2022-11-25 18:57:16,017 INFO L321 Elim1Store]: treesize reduction 20, result has 63.6 percent of original size [2022-11-25 18:57:16,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 182 treesize of output 230 [2022-11-25 18:57:16,188 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 18:57:16,189 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 2 case distinctions, treesize of input 379 treesize of output 332 [2022-11-25 18:57:16,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2022-11-25 18:57:16,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 13 [2022-11-25 18:57:16,836 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~obj#1.base|))) (let ((.cse2 (= (select .cse7 |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~obj#1.offset|) (select (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~expected#1.base|) |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~expected#1.offset|))) (.cse4 (+ |c_~#stack~0.offset| 24)) (.cse1 (+ |c_~#stack~0.offset| 28)) (.cse6 (+ (* |c_threadThread1of2ForFork0_Push_~index#1| 8) |c_~#stack~0.offset| 4))) (and (let ((.cse5 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~obj#1.base| (store .cse7 |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~obj#1.offset| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~desired#1|)))) (let ((.cse3 (store (select .cse5 |c_~#stack~0.base|) .cse6 (select (select .cse5 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse0 (store .cse5 |c_~#stack~0.base| .cse3))) (or (forall ((v_prenex_1 (Array Int Int))) (< (select (select (store .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_prenex_1) |c_~#stack~0.base|) .cse1) 2)) (not .cse2) (= (select .cse3 .cse4) (select (select .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))))) (or .cse2 (forall ((v_ArrVal_31692 (Array Int Int)) (v_ArrVal_31708 (Array Int Int))) (let ((.cse10 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~expected#1.base| v_ArrVal_31692))) (let ((.cse8 (store (select .cse10 |c_~#stack~0.base|) .cse6 (select (select .cse10 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse9 (store .cse10 |c_~#stack~0.base| .cse8))) (or (= (select .cse8 .cse4) (select (select .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (< (select (select (store .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) .cse1) 2)))))))))) is different from false [2022-11-25 18:57:18,141 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse10 (select |c_#memory_int| |c_~#stack~0.base|)) (.cse3 (+ |c_~#stack~0.offset| 24))) (let ((.cse6 (= (select (select |c_#memory_int| |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse10 .cse3))) (.cse1 (+ |c_~#stack~0.offset| 28)) (.cse5 (+ (* |c_threadThread1of2ForFork0_Push_~index#1| 8) |c_~#stack~0.offset| 4))) (and (or (forall ((v_ArrVal_31692 (Array Int Int)) (v_ArrVal_31708 (Array Int Int))) (let ((.cse4 (store |c_#memory_int| |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31692))) (let ((.cse2 (store (select .cse4 |c_~#stack~0.base|) .cse5 (select v_ArrVal_31692 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse0 (store .cse4 |c_~#stack~0.base| .cse2))) (or (< (select (select (store .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) .cse1) 2) (= (select (select .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse2 .cse3))))))) .cse6) (let ((.cse8 (let ((.cse9 (store .cse10 .cse3 |c_threadThread1of2ForFork0_Push_~index#1|))) (store .cse9 .cse5 (select (select (store |c_#memory_int| |c_~#stack~0.base| .cse9) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))) (let ((.cse7 (store |c_#memory_int| |c_~#stack~0.base| .cse8))) (or (not .cse6) (= (select (select .cse7 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse8 .cse3)) (forall ((v_prenex_1 (Array Int Int))) (< (select (select (store .cse7 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_prenex_1) |c_~#stack~0.base|) .cse1) 2)))))))) is different from false [2022-11-25 18:57:18,268 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse6 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_store_~obj#1.base| (store (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_store_~obj#1.base|) |c_threadThread1of2ForFork0_atomic_store_~obj#1.offset| |c_threadThread1of2ForFork0_atomic_store_~v#1|)))) (let ((.cse11 (select .cse6 |c_~#stack~0.base|)) (.cse3 (+ |c_~#stack~0.offset| 24))) (let ((.cse1 (+ |c_~#stack~0.offset| 28)) (.cse7 (= (select (select .cse6 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse11 .cse3))) (.cse5 (+ (* |c_threadThread1of2ForFork0_Push_~index#1| 8) |c_~#stack~0.offset| 4))) (and (or (forall ((v_ArrVal_31692 (Array Int Int)) (v_ArrVal_31708 (Array Int Int))) (let ((.cse4 (store .cse6 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31692))) (let ((.cse2 (store (select .cse4 |c_~#stack~0.base|) .cse5 (select v_ArrVal_31692 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse0 (store .cse4 |c_~#stack~0.base| .cse2))) (or (< (select (select (store .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) .cse1) 2) (= (select (select .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse2 .cse3))))))) .cse7) (let ((.cse8 (let ((.cse10 (store .cse11 .cse3 |c_threadThread1of2ForFork0_Push_~index#1|))) (store .cse10 .cse5 (select (select (store .cse6 |c_~#stack~0.base| .cse10) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))) (let ((.cse9 (store .cse6 |c_~#stack~0.base| .cse8))) (or (= (select .cse8 .cse3) (select (select .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (forall ((v_prenex_1 (Array Int Int))) (< (select (select (store .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_prenex_1) |c_~#stack~0.base|) .cse1) 2)) (not .cse7)))))))) is different from false [2022-11-25 18:57:23,825 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse6 (+ (* |c_threadThread1of2ForFork0_Push_~index#1| 8) |c_~#stack~0.offset| 4))) (let ((.cse7 (store (select |c_#memory_int| |c_~#stack~0.base|) .cse6 |c_threadThread1of2ForFork0_Push_#t~mem55#1|))) (let ((.cse3 (+ |c_~#stack~0.offset| 24)) (.cse11 (store |c_#memory_int| |c_~#stack~0.base| .cse7))) (let ((.cse4 (= (select .cse7 .cse3) (select (select .cse11 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))) (.cse1 (+ |c_~#stack~0.offset| 28))) (and (let ((.cse2 (let ((.cse5 (store .cse7 .cse3 |c_threadThread1of2ForFork0_Push_~index#1|))) (store .cse5 .cse6 (select (select (store |c_#memory_int| |c_~#stack~0.base| .cse5) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))) (let ((.cse0 (store |c_#memory_int| |c_~#stack~0.base| .cse2))) (or (forall ((v_prenex_1 (Array Int Int))) (< (select (select (store .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_prenex_1) |c_~#stack~0.base|) .cse1) 2)) (= (select (select .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse2 .cse3)) (not .cse4)))) (or .cse4 (forall ((v_ArrVal_31692 (Array Int Int)) (v_ArrVal_31708 (Array Int Int))) (let ((.cse10 (store .cse11 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31692))) (let ((.cse8 (store (select .cse10 |c_~#stack~0.base|) .cse6 (select v_ArrVal_31692 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse9 (store .cse10 |c_~#stack~0.base| .cse8))) (or (= (select .cse8 .cse3) (select (select .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (< (select (select (store .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) .cse1) 2)))))))))))) is different from false [2022-11-25 18:57:24,088 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse6 (+ (* |c_threadThread1of2ForFork0_Push_~index#1| 8) |c_~#stack~0.offset| 4))) (let ((.cse11 (store (select |c_#memory_int| |c_~#stack~0.base|) .cse6 (select (select |c_#memory_int| |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse7 (store |c_#memory_int| |c_~#stack~0.base| .cse11)) (.cse2 (+ |c_~#stack~0.offset| 24))) (let ((.cse0 (= (select (select .cse7 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse11 .cse2))) (.cse4 (+ |c_~#stack~0.offset| 28))) (and (or .cse0 (forall ((v_ArrVal_31692 (Array Int Int)) (v_ArrVal_31708 (Array Int Int))) (let ((.cse5 (store .cse7 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31692))) (let ((.cse1 (store (select .cse5 |c_~#stack~0.base|) .cse6 (select v_ArrVal_31692 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse3 (store .cse5 |c_~#stack~0.base| .cse1))) (or (= (select .cse1 .cse2) (select (select .cse3 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (< (select (select (store .cse3 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) .cse4) 2))))))) (let ((.cse9 (let ((.cse10 (store .cse11 .cse2 |c_threadThread1of2ForFork0_Push_~index#1|))) (store .cse10 .cse6 (select (select (store |c_#memory_int| |c_~#stack~0.base| .cse10) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))) (let ((.cse8 (store |c_#memory_int| |c_~#stack~0.base| .cse9))) (or (not .cse0) (forall ((v_prenex_1 (Array Int Int))) (< (select (select (store .cse8 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_prenex_1) |c_~#stack~0.base|) .cse4) 2)) (= (select .cse9 .cse2) (select (select .cse8 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))))))))) is different from false [2022-11-25 18:57:26,406 INFO L321 Elim1Store]: treesize reduction 20, result has 63.6 percent of original size [2022-11-25 18:57:26,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 190 treesize of output 243 [2022-11-25 18:57:26,539 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-25 18:57:26,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 52 [2022-11-25 18:57:26,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 13 [2022-11-25 18:57:26,571 WARN L837 $PredicateComparison]: unable to prove that (or (= (select (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~obj#1.base|) |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~obj#1.offset|) (select (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~expected#1.base|) |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~expected#1.offset|)) (let ((.cse4 (+ |c_~#stack~0.offset| 28)) (.cse2 (+ |c_~#stack~0.offset| 24)) (.cse7 (+ (* |c_threadThread1of2ForFork0_Push_~index#1| 8) |c_~#stack~0.offset| 4))) (and (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse8 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~expected#1.base| v_ArrVal_31679))) (let ((.cse1 (store (select .cse8 |c_~#stack~0.base|) .cse7 (select (select .cse8 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse0 (store .cse8 |c_~#stack~0.base| .cse1))) (or (= (select (select .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse1 .cse2)) (forall ((v_ArrVal_31692 (Array Int Int)) (v_ArrVal_31708 (Array Int Int))) (let ((.cse6 (store .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31692))) (let ((.cse5 (store (select .cse6 |c_~#stack~0.base|) .cse7 (select v_ArrVal_31692 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse3 (store .cse6 |c_~#stack~0.base| .cse5))) (or (< (select (select (store .cse3 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) .cse4) 2) (= (select (select .cse3 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse5 .cse2)))))))))))) (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse10 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~expected#1.base| v_ArrVal_31679))) (let ((.cse11 (store (select .cse10 |c_~#stack~0.base|) .cse7 (select (select .cse10 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse12 (let ((.cse13 (store .cse11 .cse2 |c_threadThread1of2ForFork0_Push_~index#1|))) (store .cse13 .cse7 (select (select (store .cse10 |c_~#stack~0.base| .cse13) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))) (let ((.cse9 (store .cse10 |c_~#stack~0.base| .cse12))) (or (forall ((v_prenex_1 (Array Int Int))) (< (select (select (store .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_prenex_1) |c_~#stack~0.base|) .cse4) 2)) (not (= (select (select (store .cse10 |c_~#stack~0.base| .cse11) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse11 .cse2))) (= (select (select .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse12 .cse2))))))))))) is different from false [2022-11-25 18:57:26,739 WARN L837 $PredicateComparison]: unable to prove that (or (let ((.cse5 (+ |c_~#stack~0.offset| 28)) (.cse2 (+ |c_~#stack~0.offset| 24)) (.cse7 (+ (* |c_threadThread1of2ForFork0_Push_~index#1| 8) |c_~#stack~0.offset| 4))) (and (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse8 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~expected#1.base| v_ArrVal_31679))) (let ((.cse1 (store (select .cse8 |c_~#stack~0.base|) .cse7 (select (select .cse8 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse0 (store .cse8 |c_~#stack~0.base| .cse1))) (or (= (select (select .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse1 .cse2)) (forall ((v_ArrVal_31692 (Array Int Int)) (v_ArrVal_31708 (Array Int Int))) (let ((.cse6 (store .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31692))) (let ((.cse3 (store (select .cse6 |c_~#stack~0.base|) .cse7 (select v_ArrVal_31692 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse4 (store .cse6 |c_~#stack~0.base| .cse3))) (or (= (select .cse3 .cse2) (select (select .cse4 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (< (select (select (store .cse4 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) .cse5) 2))))))))))) (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse11 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~expected#1.base| v_ArrVal_31679))) (let ((.cse12 (store (select .cse11 |c_~#stack~0.base|) .cse7 (select (select .cse11 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse10 (let ((.cse13 (store .cse12 .cse2 |c_threadThread1of2ForFork0_Push_~index#1|))) (store .cse13 .cse7 (select (select (store .cse11 |c_~#stack~0.base| .cse13) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))) (let ((.cse9 (store .cse11 |c_~#stack~0.base| .cse10))) (or (forall ((v_prenex_1 (Array Int Int))) (< (select (select (store .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_prenex_1) |c_~#stack~0.base|) .cse5) 2)) (= (select .cse10 .cse2) (select (select .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (not (= (select (select (store .cse11 |c_~#stack~0.base| .cse12) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse12 .cse2))))))))))) (= (select (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~obj#1.base|) |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~obj#1.offset|) (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|))) is different from false [2022-11-25 18:57:26,804 WARN L837 $PredicateComparison]: unable to prove that (or (let ((.cse5 (+ |c_~#stack~0.offset| 28)) (.cse2 (+ |c_~#stack~0.offset| 24)) (.cse7 (+ (* |c_threadThread1of2ForFork0_Push_~index#1| 8) |c_~#stack~0.offset| 4))) (and (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse8 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~expected#1.base| v_ArrVal_31679))) (let ((.cse1 (store (select .cse8 |c_~#stack~0.base|) .cse7 (select (select .cse8 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse0 (store .cse8 |c_~#stack~0.base| .cse1))) (or (= (select (select .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse1 .cse2)) (forall ((v_ArrVal_31692 (Array Int Int)) (v_ArrVal_31708 (Array Int Int))) (let ((.cse6 (store .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31692))) (let ((.cse3 (store (select .cse6 |c_~#stack~0.base|) .cse7 (select v_ArrVal_31692 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse4 (store .cse6 |c_~#stack~0.base| .cse3))) (or (= (select .cse3 .cse2) (select (select .cse4 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (< (select (select (store .cse4 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) .cse5) 2))))))))))) (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse11 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~expected#1.base| v_ArrVal_31679))) (let ((.cse12 (store (select .cse11 |c_~#stack~0.base|) .cse7 (select (select .cse11 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse10 (let ((.cse13 (store .cse12 .cse2 |c_threadThread1of2ForFork0_Push_~index#1|))) (store .cse13 .cse7 (select (select (store .cse11 |c_~#stack~0.base| .cse13) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))) (let ((.cse9 (store .cse11 |c_~#stack~0.base| .cse10))) (or (forall ((v_prenex_1 (Array Int Int))) (< (select (select (store .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_prenex_1) |c_~#stack~0.base|) .cse5) 2)) (= (select .cse10 .cse2) (select (select .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (not (= (select (select (store .cse11 |c_~#stack~0.base| .cse12) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse12 .cse2))))))))))) (= (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|) (select (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~obj#1.base|) |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~obj#1.offset|))) is different from false [2022-11-25 18:57:27,119 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (+ |c_~#stack~0.offset| 24))) (or (let ((.cse1 (+ |c_~#stack~0.offset| 28)) (.cse5 (+ (* |c_threadThread1of2ForFork0_Push_~index#1| 8) |c_~#stack~0.offset| 4))) (and (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse8 (store |c_#memory_int| |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse7 (store (select .cse8 |c_~#stack~0.base|) .cse5 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse6 (store .cse8 |c_~#stack~0.base| .cse7))) (or (forall ((v_ArrVal_31692 (Array Int Int)) (v_ArrVal_31708 (Array Int Int))) (let ((.cse4 (store .cse6 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31692))) (let ((.cse2 (store (select .cse4 |c_~#stack~0.base|) .cse5 (select v_ArrVal_31692 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse0 (store .cse4 |c_~#stack~0.base| .cse2))) (or (< (select (select (store .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) .cse1) 2) (= (select (select .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse2 .cse3))))))) (= (select .cse7 .cse3) (select (select .cse6 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))))) (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse12 (store |c_#memory_int| |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse11 (store (select .cse12 |c_~#stack~0.base|) .cse5 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse9 (let ((.cse13 (store .cse11 .cse3 |c_threadThread1of2ForFork0_Push_~index#1|))) (store .cse13 .cse5 (select (select (store .cse12 |c_~#stack~0.base| .cse13) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))) (let ((.cse10 (store .cse12 |c_~#stack~0.base| .cse9))) (or (= (select .cse9 .cse3) (select (select .cse10 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (not (= (select .cse11 .cse3) (select (select (store .cse12 |c_~#stack~0.base| .cse11) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))) (forall ((v_prenex_1 (Array Int Int))) (< (select (select (store .cse10 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_prenex_1) |c_~#stack~0.base|) .cse1) 2)))))))))) (= (select (select |c_#memory_int| |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select (select |c_#memory_int| |c_~#stack~0.base|) .cse3)))) is different from false [2022-11-25 18:57:27,343 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse9 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_store_~obj#1.base| (store (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_store_~obj#1.base|) |c_threadThread1of2ForFork0_atomic_store_~obj#1.offset| |c_threadThread1of2ForFork0_atomic_store_~v#1|))) (.cse1 (+ |c_~#stack~0.offset| 24))) (or (let ((.cse3 (+ |c_~#stack~0.offset| 28)) (.cse5 (+ (* |c_threadThread1of2ForFork0_Push_~index#1| 8) |c_~#stack~0.offset| 4))) (and (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse8 (store .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse7 (store (select .cse8 |c_~#stack~0.base|) .cse5 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse6 (store .cse8 |c_~#stack~0.base| .cse7))) (or (forall ((v_ArrVal_31692 (Array Int Int)) (v_ArrVal_31708 (Array Int Int))) (let ((.cse4 (store .cse6 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31692))) (let ((.cse0 (store (select .cse4 |c_~#stack~0.base|) .cse5 (select v_ArrVal_31692 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse2 (store .cse4 |c_~#stack~0.base| .cse0))) (or (= (select .cse0 .cse1) (select (select .cse2 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (< (select (select (store .cse2 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) .cse3) 2)))))) (= (select .cse7 .cse1) (select (select .cse6 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))))) (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse11 (store .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse10 (store (select .cse11 |c_~#stack~0.base|) .cse5 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse13 (let ((.cse14 (store .cse10 .cse1 |c_threadThread1of2ForFork0_Push_~index#1|))) (store .cse14 .cse5 (select (select (store .cse11 |c_~#stack~0.base| .cse14) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))) (let ((.cse12 (store .cse11 |c_~#stack~0.base| .cse13))) (or (not (= (select .cse10 .cse1) (select (select (store .cse11 |c_~#stack~0.base| .cse10) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))) (forall ((v_prenex_1 (Array Int Int))) (< (select (select (store .cse12 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_prenex_1) |c_~#stack~0.base|) .cse3) 2)) (= (select .cse13 .cse1) (select (select .cse12 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))))))))) (= (select (select .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select (select .cse9 |c_~#stack~0.base|) .cse1)))) is different from false [2022-11-25 18:57:27,461 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_~#stack~0.offset| 24)) (.cse0 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_store_~obj#1.base| (store (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_store_~obj#1.base|) |c_threadThread1of2ForFork0_atomic_store_~obj#1.offset| |c_threadThread1of2ForFork0_atomic_store_#in~v#1|)))) (or (= (select (select .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select (select .cse0 |c_~#stack~0.base|) .cse1)) (let ((.cse6 (+ |c_~#stack~0.offset| 28)) (.cse8 (+ (* |c_threadThread1of2ForFork0_Push_~index#1| 8) |c_~#stack~0.offset| 4))) (and (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse9 (store .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse2 (store (select .cse9 |c_~#stack~0.base|) .cse8 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse3 (store .cse9 |c_~#stack~0.base| .cse2))) (or (= (select .cse2 .cse1) (select (select .cse3 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (forall ((v_ArrVal_31692 (Array Int Int)) (v_ArrVal_31708 (Array Int Int))) (let ((.cse7 (store .cse3 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31692))) (let ((.cse4 (store (select .cse7 |c_~#stack~0.base|) .cse8 (select v_ArrVal_31692 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse5 (store .cse7 |c_~#stack~0.base| .cse4))) (or (= (select .cse4 .cse1) (select (select .cse5 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (< (select (select (store .cse5 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) .cse6) 2))))))))))) (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse12 (store .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse11 (store (select .cse12 |c_~#stack~0.base|) .cse8 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse13 (let ((.cse14 (store .cse11 .cse1 |c_threadThread1of2ForFork0_Push_~index#1|))) (store .cse14 .cse8 (select (select (store .cse12 |c_~#stack~0.base| .cse14) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))) (let ((.cse10 (store .cse12 |c_~#stack~0.base| .cse13))) (or (forall ((v_prenex_1 (Array Int Int))) (< (select (select (store .cse10 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_prenex_1) |c_~#stack~0.base|) .cse6) 2)) (not (= (select .cse11 .cse1) (select (select (store .cse12 |c_~#stack~0.base| .cse11) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))) (= (select (select .cse10 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse13 .cse1)))))))))))) is different from false [2022-11-25 18:57:27,528 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_~#stack~0.offset| 24)) (.cse8 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_store_#in~obj#1.base| (store (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_store_#in~obj#1.base|) |c_threadThread1of2ForFork0_atomic_store_#in~obj#1.offset| |c_threadThread1of2ForFork0_atomic_store_#in~v#1|)))) (or (let ((.cse4 (+ |c_~#stack~0.offset| 28)) (.cse7 (+ (* |c_threadThread1of2ForFork0_Push_~index#1| 8) |c_~#stack~0.offset| 4))) (and (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse2 (store .cse8 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse0 (store (select .cse2 |c_~#stack~0.base|) .cse7 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse5 (let ((.cse6 (store .cse0 .cse1 |c_threadThread1of2ForFork0_Push_~index#1|))) (store .cse6 .cse7 (select (select (store .cse2 |c_~#stack~0.base| .cse6) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))) (let ((.cse3 (store .cse2 |c_~#stack~0.base| .cse5))) (or (not (= (select .cse0 .cse1) (select (select (store .cse2 |c_~#stack~0.base| .cse0) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))) (forall ((v_prenex_1 (Array Int Int))) (< (select (select (store .cse3 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_prenex_1) |c_~#stack~0.base|) .cse4) 2)) (= (select (select .cse3 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse5 .cse1)))))))) (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse14 (store .cse8 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse9 (store (select .cse14 |c_~#stack~0.base|) .cse7 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse10 (store .cse14 |c_~#stack~0.base| .cse9))) (or (= (select .cse9 .cse1) (select (select .cse10 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (forall ((v_ArrVal_31692 (Array Int Int)) (v_ArrVal_31708 (Array Int Int))) (let ((.cse13 (store .cse10 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31692))) (let ((.cse12 (store (select .cse13 |c_~#stack~0.base|) .cse7 (select v_ArrVal_31692 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse11 (store .cse13 |c_~#stack~0.base| .cse12))) (or (< (select (select (store .cse11 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) .cse4) 2) (= (select .cse12 .cse1) (select (select .cse11 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))))))))))))) (= (select (select .cse8 |c_~#stack~0.base|) .cse1) (select (select .cse8 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) is different from false [2022-11-25 18:57:27,642 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse7 (+ (* |c_threadThread1of2ForFork0_Push_~index#1| 8) |c_~#stack~0.offset| 4))) (let ((.cse0 (store (select |c_#memory_int| |c_~#stack~0.base|) .cse7 |c_threadThread1of2ForFork0_Push_#t~mem55#1|))) (let ((.cse1 (+ |c_~#stack~0.offset| 24)) (.cse2 (store |c_#memory_int| |c_~#stack~0.base| .cse0))) (or (= (select .cse0 .cse1) (select (select .cse2 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (let ((.cse4 (+ |c_~#stack~0.offset| 28))) (and (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse10 (store .cse2 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse9 (store (select .cse10 |c_~#stack~0.base|) .cse7 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse8 (store .cse10 |c_~#stack~0.base| .cse9))) (or (forall ((v_ArrVal_31692 (Array Int Int)) (v_ArrVal_31708 (Array Int Int))) (let ((.cse6 (store .cse8 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31692))) (let ((.cse5 (store (select .cse6 |c_~#stack~0.base|) .cse7 (select v_ArrVal_31692 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse3 (store .cse6 |c_~#stack~0.base| .cse5))) (or (< (select (select (store .cse3 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) .cse4) 2) (= (select .cse5 .cse1) (select (select .cse3 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))))) (= (select .cse9 .cse1) (select (select .cse8 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))))) (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse14 (store .cse2 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse13 (store (select .cse14 |c_~#stack~0.base|) .cse7 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse11 (let ((.cse15 (store .cse13 .cse1 |c_threadThread1of2ForFork0_Push_~index#1|))) (store .cse15 .cse7 (select (select (store .cse14 |c_~#stack~0.base| .cse15) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))) (let ((.cse12 (store .cse14 |c_~#stack~0.base| .cse11))) (or (= (select .cse11 .cse1) (select (select .cse12 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (forall ((v_prenex_1 (Array Int Int))) (< (select (select (store .cse12 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_prenex_1) |c_~#stack~0.base|) .cse4) 2)) (not (= (select .cse13 .cse1) (select (select (store .cse14 |c_~#stack~0.base| .cse13) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))))))))))))) is different from false [2022-11-25 18:57:28,019 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse9 (+ (* |c_threadThread1of2ForFork0_Push_~index#1| 8) |c_~#stack~0.offset| 4))) (let ((.cse1 (store (select |c_#memory_int| |c_~#stack~0.base|) .cse9 (select (select |c_#memory_int| |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse2 (+ |c_~#stack~0.offset| 24)) (.cse0 (store |c_#memory_int| |c_~#stack~0.base| .cse1))) (or (= (select (select .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse1 .cse2)) (let ((.cse6 (+ |c_~#stack~0.offset| 28))) (and (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse4 (store .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse3 (store (select .cse4 |c_~#stack~0.base|) .cse9 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse7 (let ((.cse8 (store .cse3 .cse2 |c_threadThread1of2ForFork0_Push_~index#1|))) (store .cse8 .cse9 (select (select (store .cse4 |c_~#stack~0.base| .cse8) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))) (let ((.cse5 (store .cse4 |c_~#stack~0.base| .cse7))) (or (not (= (select .cse3 .cse2) (select (select (store .cse4 |c_~#stack~0.base| .cse3) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))) (forall ((v_prenex_1 (Array Int Int))) (< (select (select (store .cse5 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_prenex_1) |c_~#stack~0.base|) .cse6) 2)) (= (select .cse7 .cse2) (select (select .cse5 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))))))) (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse15 (store .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse14 (store (select .cse15 |c_~#stack~0.base|) .cse9 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse13 (store .cse15 |c_~#stack~0.base| .cse14))) (or (forall ((v_ArrVal_31692 (Array Int Int)) (v_ArrVal_31708 (Array Int Int))) (let ((.cse12 (store .cse13 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31692))) (let ((.cse10 (store (select .cse12 |c_~#stack~0.base|) .cse9 (select v_ArrVal_31692 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse11 (store .cse12 |c_~#stack~0.base| .cse10))) (or (= (select .cse10 .cse2) (select (select .cse11 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (< (select (select (store .cse11 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) .cse6) 2)))))) (= (select .cse14 .cse2) (select (select .cse13 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))))))))))) is different from false [2022-11-25 18:57:30,764 INFO L321 Elim1Store]: treesize reduction 20, result has 63.6 percent of original size [2022-11-25 18:57:30,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 199 treesize of output 252 [2022-11-25 18:57:30,890 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:57:30,891 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 93 treesize of output 87 [2022-11-25 18:57:30,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 13 [2022-11-25 18:57:30,920 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~expected#1.base|)) (.cse0 (select (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~obj#1.base|) |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~obj#1.offset|))) (let ((.cse9 (+ (* |c_threadThread1of2ForFork0_Push_~index#1| 8) |c_~#stack~0.offset| 4)) (.cse18 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~expected#1.base| (store .cse1 |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~expected#1.offset| .cse0)))) (let ((.cse17 (store (select .cse18 |c_~#stack~0.base|) .cse9 (select (select .cse18 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse10 (store .cse18 |c_~#stack~0.base| .cse17)) (.cse3 (+ |c_~#stack~0.offset| 24))) (or (= .cse0 (select .cse1 |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~expected#1.offset|)) (let ((.cse7 (+ |c_~#stack~0.offset| 28))) (and (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse5 (store .cse10 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse6 (store (select .cse5 |c_~#stack~0.base|) .cse9 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse2 (let ((.cse8 (store .cse6 .cse3 |c_threadThread1of2ForFork0_Push_~index#1|))) (store .cse8 .cse9 (select (select (store .cse5 |c_~#stack~0.base| .cse8) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))) (let ((.cse4 (store .cse5 |c_~#stack~0.base| .cse2))) (or (= (select .cse2 .cse3) (select (select .cse4 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (not (= (select (select (store .cse5 |c_~#stack~0.base| .cse6) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse6 .cse3))) (forall ((v_prenex_1 (Array Int Int))) (< (select (select (store .cse4 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_prenex_1) |c_~#stack~0.base|) .cse7) 2)))))))) (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse16 (store .cse10 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse15 (store (select .cse16 |c_~#stack~0.base|) .cse9 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse14 (store .cse16 |c_~#stack~0.base| .cse15))) (or (forall ((v_ArrVal_31692 (Array Int Int)) (v_ArrVal_31708 (Array Int Int))) (let ((.cse13 (store .cse14 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31692))) (let ((.cse12 (store (select .cse13 |c_~#stack~0.base|) .cse9 (select v_ArrVal_31692 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse11 (store .cse13 |c_~#stack~0.base| .cse12))) (or (< (select (select (store .cse11 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) .cse7) 2) (= (select .cse12 .cse3) (select (select .cse11 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))))) (= (select (select .cse14 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse15 .cse3))))))))) (= (select (select .cse10 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse17 .cse3))))))) is different from false [2022-11-25 18:57:31,122 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse16 (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~expected#1.base|)) (.cse15 (select (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~obj#1.base|) |c_threadThread1of2ForFork0_atomic_compare_and_exchange_~obj#1.offset|))) (let ((.cse5 (+ (* |c_threadThread1of2ForFork0_Push_~index#1| 8) |c_~#stack~0.offset| 4)) (.cse18 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~expected#1.base| (store .cse16 |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~expected#1.offset| .cse15)))) (let ((.cse17 (store (select .cse18 |c_~#stack~0.base|) .cse5 (select (select .cse18 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse9 (store .cse18 |c_~#stack~0.base| .cse17)) (.cse3 (+ |c_~#stack~0.offset| 24))) (or (let ((.cse1 (+ |c_~#stack~0.offset| 28))) (and (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse8 (store .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse7 (store (select .cse8 |c_~#stack~0.base|) .cse5 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse6 (store .cse8 |c_~#stack~0.base| .cse7))) (or (forall ((v_ArrVal_31692 (Array Int Int)) (v_ArrVal_31708 (Array Int Int))) (let ((.cse4 (store .cse6 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31692))) (let ((.cse2 (store (select .cse4 |c_~#stack~0.base|) .cse5 (select v_ArrVal_31692 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse0 (store .cse4 |c_~#stack~0.base| .cse2))) (or (< (select (select (store .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) .cse1) 2) (= (select (select .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse2 .cse3))))))) (= (select .cse7 .cse3) (select (select .cse6 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))))) (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse13 (store .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse12 (store (select .cse13 |c_~#stack~0.base|) .cse5 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse11 (let ((.cse14 (store .cse12 .cse3 |c_threadThread1of2ForFork0_Push_~index#1|))) (store .cse14 .cse5 (select (select (store .cse13 |c_~#stack~0.base| .cse14) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))) (let ((.cse10 (store .cse13 |c_~#stack~0.base| .cse11))) (or (forall ((v_prenex_1 (Array Int Int))) (< (select (select (store .cse10 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_prenex_1) |c_~#stack~0.base|) .cse1) 2)) (= (select .cse11 .cse3) (select (select .cse10 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)) (not (= (select .cse12 .cse3) (select (select (store .cse13 |c_~#stack~0.base| .cse12) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))))))))) (= .cse15 (select .cse16 |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~expected#1.offset|)) (= (select (select .cse9 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse17 .cse3))))))) is different from false [2022-11-25 18:57:31,196 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse16 (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~expected#1.base|)) (.cse17 (select (select |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~obj#1.base|) |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~obj#1.offset|))) (let ((.cse9 (+ (* |c_threadThread1of2ForFork0_Push_~index#1| 8) |c_~#stack~0.offset| 4)) (.cse18 (store |c_#memory_int| |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~expected#1.base| (store .cse16 |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~expected#1.offset| .cse17)))) (let ((.cse1 (store (select .cse18 |c_~#stack~0.base|) .cse9 (select (select .cse18 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse2 (+ |c_~#stack~0.offset| 24)) (.cse0 (store .cse18 |c_~#stack~0.base| .cse1))) (or (= (select (select .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|) (select .cse1 .cse2)) (let ((.cse4 (+ |c_~#stack~0.offset| 28))) (and (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse6 (store .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse5 (store (select .cse6 |c_~#stack~0.base|) .cse9 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse7 (let ((.cse8 (store .cse5 .cse2 |c_threadThread1of2ForFork0_Push_~index#1|))) (store .cse8 .cse9 (select (select (store .cse6 |c_~#stack~0.base| .cse8) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))) (let ((.cse3 (store .cse6 |c_~#stack~0.base| .cse7))) (or (forall ((v_prenex_1 (Array Int Int))) (< (select (select (store .cse3 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_prenex_1) |c_~#stack~0.base|) .cse4) 2)) (not (= (select .cse5 .cse2) (select (select (store .cse6 |c_~#stack~0.base| .cse5) |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))) (= (select .cse7 .cse2) (select (select .cse3 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))))))) (forall ((v_ArrVal_31679 (Array Int Int))) (let ((.cse15 (store .cse0 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31679))) (let ((.cse14 (store (select .cse15 |c_~#stack~0.base|) .cse9 (select v_ArrVal_31679 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse13 (store .cse15 |c_~#stack~0.base| .cse14))) (or (forall ((v_ArrVal_31692 (Array Int Int)) (v_ArrVal_31708 (Array Int Int))) (let ((.cse12 (store .cse13 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31692))) (let ((.cse11 (store (select .cse12 |c_~#stack~0.base|) .cse9 (select v_ArrVal_31692 |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|)))) (let ((.cse10 (store .cse12 |c_~#stack~0.base| .cse11))) (or (< (select (select (store .cse10 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base| v_ArrVal_31708) |c_~#stack~0.base|) .cse4) 2) (= (select .cse11 .cse2) (select (select .cse10 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))))) (= (select .cse14 .cse2) (select (select .cse13 |c_threadThread1of2ForFork0_Push_~#head1~1#1.base|) |c_threadThread1of2ForFork0_Push_~#head1~1#1.offset|))))))))) (= (select .cse16 |c_threadThread1of2ForFork0_atomic_compare_and_exchange_#in~expected#1.offset|) .cse17)))))) is different from false [2022-11-25 18:57:31,398 INFO L134 CoverageAnalysis]: Checked inductivity of 47020 backedges. 5711 proven. 37 refuted. 8 times theorem prover too weak. 41165 trivial. 99 not checked. [2022-11-25 18:57:31,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680205187] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:57:31,398 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:57:31,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 56, 48] total 138 [2022-11-25 18:57:31,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655915697] [2022-11-25 18:57:31,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:57:31,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 138 states [2022-11-25 18:57:31,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:57:31,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2022-11-25 18:57:31,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1034, Invalid=13152, Unknown=166, NotChecked=4554, Total=18906 [2022-11-25 18:57:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:57:31,416 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-25 18:57:31,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 138 states, 138 states have (on average 13.797101449275363) internal successors, (1904), 138 states have internal predecessors, (1904), 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) [2022-11-25 18:57:31,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:57:31,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:57:31,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:57:31,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:57:31,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:57:31,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-25 18:57:31,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:57:31,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:57:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:57:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2022-11-25 18:57:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-11-25 18:57:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:57:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:57:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:57:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2022-11-25 18:57:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-25 18:57:31,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-25 18:57:31,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.