./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi --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 c8af2e9e80aefb6a93651d6c869df13510f679bd9566c8571973545c9393aab5 --- 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-5e519f3 [2022-11-04 12:05:27,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-04 12:05:27,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-04 12:05:27,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-04 12:05:27,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-04 12:05:27,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-04 12:05:27,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-04 12:05:27,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-04 12:05:27,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-04 12:05:27,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-04 12:05:27,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-04 12:05:27,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-04 12:05:27,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-04 12:05:27,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-04 12:05:27,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-04 12:05:27,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-04 12:05:27,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-04 12:05:27,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-04 12:05:27,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-04 12:05:27,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-04 12:05:27,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-04 12:05:27,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-04 12:05:27,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-04 12:05:27,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-04 12:05:27,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-04 12:05:27,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-04 12:05:27,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-04 12:05:27,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-04 12:05:27,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-04 12:05:27,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-04 12:05:27,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-04 12:05:27,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-04 12:05:27,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-04 12:05:27,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-04 12:05:27,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-04 12:05:27,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-04 12:05:27,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-04 12:05:27,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-04 12:05:27,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-04 12:05:27,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-04 12:05:27,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-04 12:05:27,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-11-04 12:05:27,602 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-04 12:05:27,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-04 12:05:27,606 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-04 12:05:27,606 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-04 12:05:27,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-04 12:05:27,608 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-04 12:05:27,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-04 12:05:27,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-04 12:05:27,609 INFO L138 SettingsManager]: * Use SBE=true [2022-11-04 12:05:27,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-04 12:05:27,610 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-04 12:05:27,611 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-04 12:05:27,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-04 12:05:27,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-04 12:05:27,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-04 12:05:27,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-04 12:05:27,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-04 12:05:27,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-04 12:05:27,612 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-04 12:05:27,612 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-04 12:05:27,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-04 12:05:27,613 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-04 12:05:27,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-04 12:05:27,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-04 12:05:27,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-04 12:05:27,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-04 12:05:27,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-04 12:05:27,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-04 12:05:27,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-04 12:05:27,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-04 12:05:27,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-04 12:05:27,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-04 12:05:27,617 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-11-04 12:05:27,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-04 12:05:27,618 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-04 12:05:27,618 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-04 12:05:27,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-04 12:05:27,618 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-04 12:05:27,619 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-04 12:05:27,619 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_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8af2e9e80aefb6a93651d6c869df13510f679bd9566c8571973545c9393aab5 [2022-11-04 12:05:27,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-04 12:05:27,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-04 12:05:27,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-04 12:05:27,995 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-04 12:05:27,996 INFO L275 PluginConnector]: CDTParser initialized [2022-11-04 12:05:27,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/../../sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.i [2022-11-04 12:05:28,069 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/data/d9e848712/494bfcc0e5b74735afca58616961d73f/FLAG911fcd296 [2022-11-04 12:05:28,644 INFO L306 CDTParser]: Found 1 translation units. [2022-11-04 12:05:28,645 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.i [2022-11-04 12:05:28,670 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/data/d9e848712/494bfcc0e5b74735afca58616961d73f/FLAG911fcd296 [2022-11-04 12:05:28,888 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/data/d9e848712/494bfcc0e5b74735afca58616961d73f [2022-11-04 12:05:28,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-04 12:05:28,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-04 12:05:28,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-04 12:05:28,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-04 12:05:28,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-04 12:05:28,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 12:05:28" (1/1) ... [2022-11-04 12:05:28,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411bc019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:28, skipping insertion in model container [2022-11-04 12:05:28,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 12:05:28" (1/1) ... [2022-11-04 12:05:28,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-04 12:05:28,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-04 12:05:29,452 WARN L230 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_df8c26c6-ddac-4539-bae2-1aee999b3c1c/sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.i[41323,41336] [2022-11-04 12:05:29,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-04 12:05:29,510 INFO L203 MainTranslator]: Completed pre-run [2022-11-04 12:05:29,555 WARN L230 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_df8c26c6-ddac-4539-bae2-1aee999b3c1c/sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.i[41323,41336] [2022-11-04 12:05:29,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-04 12:05:29,676 INFO L208 MainTranslator]: Completed translation [2022-11-04 12:05:29,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:29 WrapperNode [2022-11-04 12:05:29,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-04 12:05:29,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-04 12:05:29,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-04 12:05:29,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-04 12:05:29,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:29" (1/1) ... [2022-11-04 12:05:29,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:29" (1/1) ... [2022-11-04 12:05:29,787 INFO L138 Inliner]: procedures = 271, calls = 41, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 339 [2022-11-04 12:05:29,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-04 12:05:29,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-04 12:05:29,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-04 12:05:29,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-04 12:05:29,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:29" (1/1) ... [2022-11-04 12:05:29,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:29" (1/1) ... [2022-11-04 12:05:29,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:29" (1/1) ... [2022-11-04 12:05:29,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:29" (1/1) ... [2022-11-04 12:05:29,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:29" (1/1) ... [2022-11-04 12:05:29,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:29" (1/1) ... [2022-11-04 12:05:29,881 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:29" (1/1) ... [2022-11-04 12:05:29,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:29" (1/1) ... [2022-11-04 12:05:29,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-04 12:05:29,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-04 12:05:29,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-04 12:05:29,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-04 12:05:29,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:29" (1/1) ... [2022-11-04 12:05:29,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-04 12:05:29,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:29,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-04 12:05:29,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-04 12:05:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-04 12:05:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-04 12:05:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-04 12:05:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-04 12:05:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-04 12:05:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-04 12:05:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-04 12:05:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-04 12:05:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-04 12:05:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-04 12:05:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-04 12:05:29,981 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-04 12:05:30,124 INFO L235 CfgBuilder]: Building ICFG [2022-11-04 12:05:30,127 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-04 12:05:30,770 INFO L276 CfgBuilder]: Performing block encoding [2022-11-04 12:05:30,807 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-04 12:05:30,807 INFO L300 CfgBuilder]: Removed 35 assume(true) statements. [2022-11-04 12:05:30,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 12:05:30 BoogieIcfgContainer [2022-11-04 12:05:30,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-04 12:05:30,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-04 12:05:30,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-04 12:05:30,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-04 12:05:30,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 12:05:28" (1/3) ... [2022-11-04 12:05:30,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ddb81e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 12:05:30, skipping insertion in model container [2022-11-04 12:05:30,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:05:29" (2/3) ... [2022-11-04 12:05:30,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ddb81e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 12:05:30, skipping insertion in model container [2022-11-04 12:05:30,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 12:05:30" (3/3) ... [2022-11-04 12:05:30,821 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_73-funloop_hard_racefree.i [2022-11-04 12:05:30,836 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-04 12:05:30,847 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-04 12:05:30,848 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-04 12:05:30,848 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-04 12:05:30,992 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-04 12:05:31,064 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-04 12:05:31,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-04 12:05:31,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:31,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-04 12:05:31,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-04 12:05:31,104 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-04 12:05:31,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-11-04 12:05:31,128 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;@2ae2cf88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-04 12:05:31,128 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-04 12:05:31,556 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:31,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:31,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1659479931, now seen corresponding path program 1 times [2022-11-04 12:05:31,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:31,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772383812] [2022-11-04 12:05:31,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:31,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:31,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:31,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:31,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772383812] [2022-11-04 12:05:31,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772383812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:31,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:05:31,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-04 12:05:31,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057837087] [2022-11-04 12:05:31,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:31,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-04 12:05:31,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:31,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-04 12:05:31,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-04 12:05:31,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:31,977 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:31,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:05:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:32,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:32,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-04 12:05:32,041 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:32,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:32,041 INFO L85 PathProgramCache]: Analyzing trace with hash 163809560, now seen corresponding path program 1 times [2022-11-04 12:05:32,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:32,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23195819] [2022-11-04 12:05:32,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:32,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:32,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:32,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:32,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23195819] [2022-11-04 12:05:32,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23195819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:32,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:05:32,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-04 12:05:32,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276724785] [2022-11-04 12:05:32,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:32,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:05:32,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:32,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:05:32,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-04 12:05:32,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:32,216 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:32,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:05:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:32,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-04 12:05:32,282 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:32,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:32,282 INFO L85 PathProgramCache]: Analyzing trace with hash 2036054735, now seen corresponding path program 1 times [2022-11-04 12:05:32,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:32,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493575431] [2022-11-04 12:05:32,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:32,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:32,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:32,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493575431] [2022-11-04 12:05:32,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493575431] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:32,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255389216] [2022-11-04 12:05:32,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:32,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:32,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:32,571 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:32,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-04 12:05:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:32,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-04 12:05:32,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:32,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-04 12:05:32,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-04 12:05:32,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255389216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:32,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-04 12:05:32,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-04 12:05:32,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847096538] [2022-11-04 12:05:32,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:32,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:05:32,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:32,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:05:32,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-04 12:05:32,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:32,785 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:32,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2022-11-04 12:05:32,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:32,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:32,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:32,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:32,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:32,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:33,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:33,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:33,209 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:33,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:33,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1139156473, now seen corresponding path program 1 times [2022-11-04 12:05:33,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:33,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10477442] [2022-11-04 12:05:33,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:33,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:33,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:33,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:33,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10477442] [2022-11-04 12:05:33,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10477442] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:33,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000973723] [2022-11-04 12:05:33,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:33,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:33,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:33,366 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:33,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-04 12:05:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:33,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-04 12:05:33,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:33,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:33,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:05:33,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:33,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000973723] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:05:33,663 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:05:33,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-04 12:05:33,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983981636] [2022-11-04 12:05:33,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:05:33,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-04 12:05:33,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:33,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-04 12:05:33,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-04 12:05:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:33,668 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:33,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2022-11-04 12:05:33,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:33,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:33,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:33,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:33,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:33,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:33,989 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:33,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:33,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1336531047, now seen corresponding path program 2 times [2022-11-04 12:05:33,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:33,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454621781] [2022-11-04 12:05:33,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:33,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:34,147 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-04 12:05:34,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:34,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454621781] [2022-11-04 12:05:34,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454621781] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:34,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875175975] [2022-11-04 12:05:34,149 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-04 12:05:34,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:34,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:34,151 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:34,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-04 12:05:34,284 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-04 12:05:34,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-04 12:05:34,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-04 12:05:34,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:34,331 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:05:34,358 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-04 12:05:34,358 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-04 12:05:34,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875175975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:34,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-04 12:05:34,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-04 12:05:34,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674324734] [2022-11-04 12:05:34,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:34,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:05:34,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:34,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:05:34,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-04 12:05:34,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:34,362 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:34,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2022-11-04 12:05:34,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:34,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:34,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:34,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:34,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:34,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:34,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:34,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:34,625 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:34,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:34,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1749259821, now seen corresponding path program 1 times [2022-11-04 12:05:34,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:34,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077542865] [2022-11-04 12:05:34,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:34,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:34,802 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-04 12:05:34,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:34,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077542865] [2022-11-04 12:05:34,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077542865] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:34,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055186048] [2022-11-04 12:05:34,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:34,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:34,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:34,813 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:34,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-04 12:05:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:34,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-04 12:05:34,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:35,063 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:35,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:05:35,182 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:35,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055186048] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:05:35,183 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:05:35,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2022-11-04 12:05:35,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319894133] [2022-11-04 12:05:35,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:05:35,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-04 12:05:35,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:35,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-04 12:05:35,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2022-11-04 12:05:35,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:35,187 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:35,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.894736842105263) internal successors, (131), 19 states have internal predecessors, (131), 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) [2022-11-04 12:05:35,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:35,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:35,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:35,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:35,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:35,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:35,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:35,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:35,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-04 12:05:35,748 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:35,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:35,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1484944807, now seen corresponding path program 1 times [2022-11-04 12:05:35,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:35,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573048383] [2022-11-04 12:05:35,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:35,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:36,129 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-04 12:05:36,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:36,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573048383] [2022-11-04 12:05:36,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573048383] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:36,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408420618] [2022-11-04 12:05:36,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:36,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:36,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:36,137 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:36,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-04 12:05:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:36,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-04 12:05:36,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:36,410 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-04 12:05:36,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:05:36,690 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-04 12:05:36,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408420618] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:05:36,690 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:05:36,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-11-04 12:05:36,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55456962] [2022-11-04 12:05:36,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:05:36,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-04 12:05:36,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:36,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-04 12:05:36,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-11-04 12:05:36,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:36,694 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:36,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.869565217391305) internal successors, (112), 23 states have internal predecessors, (112), 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) [2022-11-04 12:05:36,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:36,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:36,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:36,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:36,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:36,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:36,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:37,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:37,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:05:37,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:37,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:37,293 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:37,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:37,293 INFO L85 PathProgramCache]: Analyzing trace with hash 676058110, now seen corresponding path program 2 times [2022-11-04 12:05:37,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:37,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225471749] [2022-11-04 12:05:37,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:37,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:37,903 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-11-04 12:05:37,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:37,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225471749] [2022-11-04 12:05:37,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225471749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:37,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:05:37,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-04 12:05:37,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995253090] [2022-11-04 12:05:37,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:37,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-04 12:05:37,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:37,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-04 12:05:37,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-04 12:05:37,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:37,906 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:37,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:05:37,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:37,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:37,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:37,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:37,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:37,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:37,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:05:37,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:37,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:37,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:37,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:37,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:37,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:37,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:37,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:05:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:37,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-04 12:05:37,955 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:37,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:37,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1894458259, now seen corresponding path program 1 times [2022-11-04 12:05:37,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:37,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009226572] [2022-11-04 12:05:37,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:37,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:38,556 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-11-04 12:05:38,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:38,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009226572] [2022-11-04 12:05:38,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009226572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:38,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:05:38,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-04 12:05:38,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276253959] [2022-11-04 12:05:38,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:38,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-04 12:05:38,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:38,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-04 12:05:38,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-04 12:05:38,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:38,560 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:38,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 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) [2022-11-04 12:05:38,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:38,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:38,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:38,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:38,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:38,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:38,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:05:38,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:38,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:38,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:38,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:38,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:38,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:38,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:38,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:05:38,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:38,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:38,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-04 12:05:38,681 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:38,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:38,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1861142127, now seen corresponding path program 1 times [2022-11-04 12:05:38,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:38,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74109438] [2022-11-04 12:05:38,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:38,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:39,428 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-11-04 12:05:39,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:39,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74109438] [2022-11-04 12:05:39,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74109438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:39,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:05:39,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-04 12:05:39,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470066550] [2022-11-04 12:05:39,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:39,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-04 12:05:39,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:39,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-04 12:05:39,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-04 12:05:39,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:39,436 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:39,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 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) [2022-11-04 12:05:39,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:39,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:39,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:39,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:39,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:39,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:39,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:05:39,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:39,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:39,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:40,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:40,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:40,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:40,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:40,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:40,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:40,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:05:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:40,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2022-11-04 12:05:40,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2022-11-04 12:05:40,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining) [2022-11-04 12:05:40,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2022-11-04 12:05:40,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2022-11-04 12:05:40,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-04 12:05:40,091 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-04 12:05:40,093 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2022-11-04 12:05:40,099 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-04 12:05:40,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-04 12:05:40,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:40,100 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-04 12:05:40,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2022-11-04 12:05:40,114 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-04 12:05:40,115 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-04 12:05:40,115 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;@2ae2cf88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-04 12:05:40,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-04 12:05:40,117 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-04 12:05:40,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:40,118 INFO L85 PathProgramCache]: Analyzing trace with hash -862716366, now seen corresponding path program 1 times [2022-11-04 12:05:40,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:40,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018161975] [2022-11-04 12:05:40,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:40,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:40,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-04 12:05:40,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:40,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018161975] [2022-11-04 12:05:40,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018161975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:40,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:05:40,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-04 12:05:40,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061477862] [2022-11-04 12:05:40,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:40,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-04 12:05:40,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:40,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-04 12:05:40,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-04 12:05:40,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:40,142 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:40,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2022-11-04 12:05:40,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:40,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:40,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-04 12:05:40,145 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-04 12:05:40,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:40,145 INFO L85 PathProgramCache]: Analyzing trace with hash -2085471243, now seen corresponding path program 1 times [2022-11-04 12:05:40,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:40,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017347608] [2022-11-04 12:05:40,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:40,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:40,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-04 12:05:40,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:40,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017347608] [2022-11-04 12:05:40,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017347608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:40,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:05:40,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-04 12:05:40,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313029508] [2022-11-04 12:05:40,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:40,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:05:40,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:40,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:05:40,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-04 12:05:40,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:40,184 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:40,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-11-04 12:05:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:40,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:40,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:40,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:40,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-04 12:05:40,195 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-04 12:05:40,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:40,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1787353826, now seen corresponding path program 1 times [2022-11-04 12:05:40,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:40,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398718129] [2022-11-04 12:05:40,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:40,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:40,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-04 12:05:40,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:40,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398718129] [2022-11-04 12:05:40,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398718129] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:40,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548614219] [2022-11-04 12:05:40,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:40,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:40,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:40,260 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:40,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-04 12:05:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:40,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-04 12:05:40,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:40,386 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-04 12:05:40,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548614219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:40,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-04 12:05:40,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-04 12:05:40,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550147671] [2022-11-04 12:05:40,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:40,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:05:40,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:40,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:05:40,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-04 12:05:40,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:40,388 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:40,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2022-11-04 12:05:40,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:40,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:40,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:40,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:40,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:40,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:40,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:40,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-04 12:05:40,680 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-04 12:05:40,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:40,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1297058027, now seen corresponding path program 1 times [2022-11-04 12:05:40,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:40,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112416309] [2022-11-04 12:05:40,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:40,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:40,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:40,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:40,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112416309] [2022-11-04 12:05:40,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112416309] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:40,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401308091] [2022-11-04 12:05:40,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:40,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:40,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:40,756 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:40,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-04 12:05:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:40,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-04 12:05:40,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:40,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:40,900 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-04 12:05:40,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401308091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:40,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-04 12:05:40,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-04 12:05:40,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31214935] [2022-11-04 12:05:40,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:40,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:05:40,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:40,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:05:40,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-04 12:05:40,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:40,903 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:40,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:05:40,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:40,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:40,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:40,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:41,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:41,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:41,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:41,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:41,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:41,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:41,321 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-04 12:05:41,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:41,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1306811779, now seen corresponding path program 1 times [2022-11-04 12:05:41,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:41,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274645779] [2022-11-04 12:05:41,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:41,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:41,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:41,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:41,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274645779] [2022-11-04 12:05:41,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274645779] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:41,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560120352] [2022-11-04 12:05:41,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:41,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:41,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:41,401 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:41,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-04 12:05:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:41,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-04 12:05:41,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:41,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-04 12:05:41,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-04 12:05:41,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560120352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:41,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-04 12:05:41,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-04 12:05:41,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864309896] [2022-11-04 12:05:41,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:41,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:05:41,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:41,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:05:41,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-04 12:05:41,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:41,559 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:41,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2022-11-04 12:05:41,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:41,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:41,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:41,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:41,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:41,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:41,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:41,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:41,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:41,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:41,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:41,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:41,888 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-04 12:05:41,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:41,889 INFO L85 PathProgramCache]: Analyzing trace with hash 823668351, now seen corresponding path program 1 times [2022-11-04 12:05:41,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:41,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140966569] [2022-11-04 12:05:41,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:41,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:41,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:41,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:41,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140966569] [2022-11-04 12:05:41,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140966569] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:41,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180445665] [2022-11-04 12:05:41,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:41,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:41,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:41,969 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:41,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-04 12:05:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:42,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-04 12:05:42,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:42,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:42,169 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:05:42,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:42,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180445665] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:05:42,201 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:05:42,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-04 12:05:42,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359807199] [2022-11-04 12:05:42,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:05:42,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-04 12:05:42,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:42,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-04 12:05:42,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-04 12:05:42,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:42,203 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:42,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 10 states have internal predecessors, (97), 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) [2022-11-04 12:05:42,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:42,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:42,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:42,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:42,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:42,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:42,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:42,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:42,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-04 12:05:42,498 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-04 12:05:42,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:42,499 INFO L85 PathProgramCache]: Analyzing trace with hash -796380961, now seen corresponding path program 2 times [2022-11-04 12:05:42,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:42,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230377195] [2022-11-04 12:05:42,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:42,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:42,627 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-04 12:05:42,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:42,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230377195] [2022-11-04 12:05:42,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230377195] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:42,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076423322] [2022-11-04 12:05:42,628 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-04 12:05:42,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:42,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:42,630 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:42,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-04 12:05:42,779 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-04 12:05:42,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-04 12:05:42,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-04 12:05:42,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:42,794 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:05:42,818 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-04 12:05:42,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-04 12:05:42,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076423322] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:42,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-04 12:05:42,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-04 12:05:42,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273880081] [2022-11-04 12:05:42,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:42,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:05:42,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:42,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:05:42,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-04 12:05:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:42,822 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:42,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:05:42,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:42,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:42,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:42,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:42,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:42,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:42,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:42,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:42,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:42,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:42,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:42,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:42,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:42,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:42,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:43,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-04 12:05:43,176 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-04 12:05:43,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:43,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1969272192, now seen corresponding path program 1 times [2022-11-04 12:05:43,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:43,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860189226] [2022-11-04 12:05:43,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:43,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:43,286 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-04 12:05:43,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:43,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860189226] [2022-11-04 12:05:43,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860189226] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:43,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453877289] [2022-11-04 12:05:43,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:43,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:43,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:43,289 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:43,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-04 12:05:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:43,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-04 12:05:43,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:43,544 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:43,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:05:43,679 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:43,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453877289] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:05:43,679 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:05:43,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2022-11-04 12:05:43,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670294437] [2022-11-04 12:05:43,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:05:43,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-04 12:05:43,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:43,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-04 12:05:43,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2022-11-04 12:05:43,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:43,681 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:43,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.0) internal successors, (152), 19 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) [2022-11-04 12:05:43,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:43,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:43,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:43,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:43,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:43,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:43,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:43,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:43,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:44,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:44,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-04 12:05:44,196 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-04 12:05:44,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:44,197 INFO L85 PathProgramCache]: Analyzing trace with hash 625478672, now seen corresponding path program 1 times [2022-11-04 12:05:44,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:44,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485416056] [2022-11-04 12:05:44,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:44,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:44,477 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-04 12:05:44,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:44,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485416056] [2022-11-04 12:05:44,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485416056] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:44,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431519233] [2022-11-04 12:05:44,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:44,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:44,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:44,479 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:44,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-04 12:05:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:44,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-04 12:05:44,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:44,726 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-04 12:05:44,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:05:44,953 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-04 12:05:44,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431519233] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:05:44,954 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:05:44,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-11-04 12:05:44,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706060039] [2022-11-04 12:05:44,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:05:44,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-04 12:05:44,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:44,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-04 12:05:44,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-11-04 12:05:44,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:44,956 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:44,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.3478260869565215) internal successors, (100), 23 states have internal predecessors, (100), 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) [2022-11-04 12:05:44,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:44,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:44,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:44,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:44,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:44,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:44,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:44,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:44,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:45,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:45,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:45,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:45,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:45,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:45,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:45,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:45,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:45,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:05:45,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:45,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:45,580 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-04 12:05:45,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:45,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1579349223, now seen corresponding path program 2 times [2022-11-04 12:05:45,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:45,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402729672] [2022-11-04 12:05:45,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:45,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-04 12:05:45,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-04 12:05:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-04 12:05:45,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-04 12:05:45,681 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-04 12:05:45,683 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining) [2022-11-04 12:05:45,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2022-11-04 12:05:45,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2022-11-04 12:05:45,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2022-11-04 12:05:45,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2022-11-04 12:05:45,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2022-11-04 12:05:45,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2022-11-04 12:05:45,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2022-11-04 12:05:45,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2022-11-04 12:05:45,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2022-11-04 12:05:45,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2022-11-04 12:05:45,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2022-11-04 12:05:45,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-04 12:05:45,690 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-04 12:05:45,691 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2022-11-04 12:05:45,691 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-04 12:05:45,692 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-04 12:05:45,763 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-04 12:05:45,768 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-04 12:05:45,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-04 12:05:45,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:45,773 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-04 12:05:45,779 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-04 12:05:45,779 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of2ForFork0 ======== [2022-11-04 12:05:45,779 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;@2ae2cf88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-04 12:05:45,779 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-04 12:05:45,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (16)] Waiting until timeout for monitored process [2022-11-04 12:05:46,489 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:46,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:46,490 INFO L85 PathProgramCache]: Analyzing trace with hash -67758939, now seen corresponding path program 1 times [2022-11-04 12:05:46,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:46,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853287114] [2022-11-04 12:05:46,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:46,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:46,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:46,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:46,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853287114] [2022-11-04 12:05:46,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853287114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:46,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:05:46,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-04 12:05:46,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210708364] [2022-11-04 12:05:46,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:46,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-04 12:05:46,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:46,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-04 12:05:46,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-04 12:05:46,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:46,521 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:46,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:05:46,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:46,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:46,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-04 12:05:46,539 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:46,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:46,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1563429310, now seen corresponding path program 1 times [2022-11-04 12:05:46,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:46,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927090881] [2022-11-04 12:05:46,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:46,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:46,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:46,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:46,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927090881] [2022-11-04 12:05:46,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927090881] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:46,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:05:46,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-04 12:05:46,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812175342] [2022-11-04 12:05:46,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:46,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:05:46,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:46,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:05:46,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-04 12:05:46,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:46,584 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:46,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:05:46,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:46,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:46,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:46,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:46,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-04 12:05:46,610 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:46,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:46,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1784472423, now seen corresponding path program 1 times [2022-11-04 12:05:46,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:46,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696266071] [2022-11-04 12:05:46,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:46,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:46,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:46,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:46,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696266071] [2022-11-04 12:05:46,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696266071] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:46,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214245599] [2022-11-04 12:05:46,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:46,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:46,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:46,740 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:46,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-04 12:05:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:46,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-04 12:05:46,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-04 12:05:46,930 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-04 12:05:46,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214245599] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:46,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-04 12:05:46,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-04 12:05:46,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721795914] [2022-11-04 12:05:46,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:46,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:05:46,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:46,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:05:46,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-04 12:05:46,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:46,932 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:46,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2022-11-04 12:05:46,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:46,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:46,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:47,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:47,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:47,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:47,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:47,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:47,308 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:47,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:47,309 INFO L85 PathProgramCache]: Analyzing trace with hash 887574161, now seen corresponding path program 1 times [2022-11-04 12:05:47,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:47,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782809008] [2022-11-04 12:05:47,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:47,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:47,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:47,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782809008] [2022-11-04 12:05:47,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782809008] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:47,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482877267] [2022-11-04 12:05:47,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:47,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:47,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:47,381 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:47,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-04 12:05:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:47,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-04 12:05:47,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:47,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:47,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:05:47,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:47,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482877267] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:05:47,602 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:05:47,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-04 12:05:47,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542376409] [2022-11-04 12:05:47,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:05:47,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-04 12:05:47,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:47,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-04 12:05:47,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-04 12:05:47,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:47,605 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:47,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2022-11-04 12:05:47,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:47,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:47,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:47,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:47,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:47,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:47,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:47,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-04 12:05:47,915 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:47,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:47,915 INFO L85 PathProgramCache]: Analyzing trace with hash -140487823, now seen corresponding path program 2 times [2022-11-04 12:05:47,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:47,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903747926] [2022-11-04 12:05:47,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:47,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:48,013 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-04 12:05:48,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:48,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903747926] [2022-11-04 12:05:48,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903747926] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:48,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351203098] [2022-11-04 12:05:48,014 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-04 12:05:48,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:48,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:48,015 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:48,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-04 12:05:48,186 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-04 12:05:48,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-04 12:05:48,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-04 12:05:48,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:48,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:05:48,222 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-04 12:05:48,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-04 12:05:48,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351203098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:48,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-04 12:05:48,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-04 12:05:48,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19664793] [2022-11-04 12:05:48,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:48,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:05:48,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:48,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:05:48,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-04 12:05:48,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:48,224 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:48,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2022-11-04 12:05:48,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:48,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:48,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:48,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:48,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:48,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:48,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:48,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:48,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:48,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:48,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:48,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-04 12:05:48,540 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:48,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:48,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1842262105, now seen corresponding path program 1 times [2022-11-04 12:05:48,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:48,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806169986] [2022-11-04 12:05:48,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:48,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:48,638 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-04 12:05:48,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:48,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806169986] [2022-11-04 12:05:48,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806169986] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:48,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821235766] [2022-11-04 12:05:48,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:48,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:48,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:48,641 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:48,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-04 12:05:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:48,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-04 12:05:48,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:48,903 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:48,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:05:49,013 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-04 12:05:49,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821235766] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:05:49,014 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:05:49,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2022-11-04 12:05:49,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134854846] [2022-11-04 12:05:49,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:05:49,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-04 12:05:49,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:49,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-04 12:05:49,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2022-11-04 12:05:49,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:49,017 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:49,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.894736842105263) internal successors, (131), 19 states have internal predecessors, (131), 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) [2022-11-04 12:05:49,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:49,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:49,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:49,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:49,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:49,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:49,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:49,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:49,553 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:49,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:49,553 INFO L85 PathProgramCache]: Analyzing trace with hash -121717119, now seen corresponding path program 1 times [2022-11-04 12:05:49,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:49,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593145819] [2022-11-04 12:05:49,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:49,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:49,616 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-11-04 12:05:49,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:49,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593145819] [2022-11-04 12:05:49,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593145819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:49,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:05:49,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-04 12:05:49,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999831680] [2022-11-04 12:05:49,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:49,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-04 12:05:49,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:49,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-04 12:05:49,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-04 12:05:49,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:49,619 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:49,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2022-11-04 12:05:49,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:49,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:49,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:49,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:49,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:49,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:49,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:49,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:49,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:49,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:49,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:49,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:49,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-04 12:05:49,682 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:49,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:49,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1024254311, now seen corresponding path program 1 times [2022-11-04 12:05:49,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:49,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552578169] [2022-11-04 12:05:49,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:49,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:50,018 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-04 12:05:50,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:50,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552578169] [2022-11-04 12:05:50,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552578169] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:50,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149128999] [2022-11-04 12:05:50,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:50,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:50,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:50,021 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:50,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-04 12:05:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:50,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-04 12:05:50,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:50,296 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-04 12:05:50,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:05:50,522 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-04 12:05:50,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149128999] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:05:50,523 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:05:50,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-11-04 12:05:50,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898606284] [2022-11-04 12:05:50,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:05:50,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-04 12:05:50,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:50,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-04 12:05:50,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-11-04 12:05:50,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:50,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:50,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.608695652173913) internal successors, (129), 23 states have internal predecessors, (129), 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) [2022-11-04 12:05:50,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:50,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:50,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:50,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:50,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:50,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:50,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:50,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:50,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:50,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:50,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:50,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:50,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:50,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:50,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:50,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:05:50,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:51,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-11-04 12:05:51,140 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:51,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:51,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1511920300, now seen corresponding path program 2 times [2022-11-04 12:05:51,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:51,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334498408] [2022-11-04 12:05:51,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:51,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:51,286 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-04 12:05:51,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:51,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334498408] [2022-11-04 12:05:51,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334498408] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:51,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63259267] [2022-11-04 12:05:51,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-04 12:05:51,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:51,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:51,288 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:51,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-11-04 12:05:51,492 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-04 12:05:51,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-04 12:05:51,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-04 12:05:51,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:51,504 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:05:51,520 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-04 12:05:51,553 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-04 12:05:51,554 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-04 12:05:51,598 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-04 12:05:51,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-11-04 12:05:51,641 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-11-04 12:05:51,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-04 12:05:51,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63259267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:51,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-04 12:05:51,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2022-11-04 12:05:51,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406036463] [2022-11-04 12:05:51,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:51,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-04 12:05:51,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:51,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-04 12:05:51,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-04 12:05:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:51,644 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:51,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 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) [2022-11-04 12:05:51,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:51,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:51,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:51,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:51,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:51,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:51,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:51,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:05:51,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:51,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:51,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:51,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:51,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:51,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:51,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:51,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:51,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:05:51,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:51,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:52,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-11-04 12:05:52,106 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:52,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:52,107 INFO L85 PathProgramCache]: Analyzing trace with hash -170926051, now seen corresponding path program 1 times [2022-11-04 12:05:52,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:52,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132193846] [2022-11-04 12:05:52,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:52,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:52,267 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-04 12:05:52,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:52,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132193846] [2022-11-04 12:05:52,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132193846] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:52,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930891191] [2022-11-04 12:05:52,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:52,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:52,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:52,269 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:52,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-11-04 12:05:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:52,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-04 12:05:52,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:52,602 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-04 12:05:52,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:05:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-04 12:05:52,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930891191] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:05:52,704 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:05:52,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2022-11-04 12:05:52,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257486548] [2022-11-04 12:05:52,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:05:52,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-04 12:05:52,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:52,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-04 12:05:52,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2022-11-04 12:05:52,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:52,707 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:52,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.928571428571429) internal successors, (167), 14 states have internal predecessors, (167), 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) [2022-11-04 12:05:52,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:52,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:52,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:52,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:52,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:52,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:52,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:52,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:05:52,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:52,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:52,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:52,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:05:52,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:52,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:52,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-11-04 12:05:53,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:53,038 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:53,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:53,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1817321271, now seen corresponding path program 1 times [2022-11-04 12:05:53,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:53,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587317001] [2022-11-04 12:05:53,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:53,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:53,512 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2022-11-04 12:05:53,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:53,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587317001] [2022-11-04 12:05:53,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587317001] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:53,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:05:53,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-04 12:05:53,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758371852] [2022-11-04 12:05:53,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:53,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-04 12:05:53,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:53,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-04 12:05:53,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-04 12:05:53,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:53,515 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:53,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 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) [2022-11-04 12:05:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:53,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:53,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:05:53,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:53,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:53,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:53,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:53,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:53,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:53,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:53,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:53,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:53,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:53,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:05:53,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:53,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:53,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:53,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-04 12:05:53,855 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:53,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:53,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1282310326, now seen corresponding path program 1 times [2022-11-04 12:05:53,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:53,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910856315] [2022-11-04 12:05:53,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:53,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2022-11-04 12:05:54,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:54,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910856315] [2022-11-04 12:05:54,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910856315] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:05:54,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-04 12:05:54,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-04 12:05:54,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772657546] [2022-11-04 12:05:54,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:05:54,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-04 12:05:54,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:05:54,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-04 12:05:54,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-04 12:05:54,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:54,515 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:05:54,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.0) internal successors, (130), 6 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-04 12:05:54,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:54,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:54,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:54,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:54,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:54,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:54,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:54,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:05:54,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:54,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:54,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:54,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:05:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:55,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:05:55,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:05:55,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:05:55,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:55,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:05:55,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:05:55,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-04 12:05:55,045 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:05:55,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:05:55,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1865228006, now seen corresponding path program 1 times [2022-11-04 12:05:55,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:05:55,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907257036] [2022-11-04 12:05:55,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:55,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:05:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:58,279 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 20 proven. 75 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-04 12:05:58,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:05:58,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907257036] [2022-11-04 12:05:58,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907257036] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:05:58,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078221512] [2022-11-04 12:05:58,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:05:58,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:05:58,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:05:58,285 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:05:58,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-11-04 12:05:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:05:58,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-04 12:05:58,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:05:59,239 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-04 12:05:59,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:05:59,480 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-04 12:05:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-11-04 12:05:59,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:05:59,823 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2070 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_2070) |c_~#cache~0.base|) (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2022-11-04 12:05:59,893 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2070 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_2070) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4)) 0))) is different from false [2022-11-04 12:05:59,944 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-04 12:05:59,945 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2022-11-04 12:05:59,962 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-04 12:05:59,962 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 38 [2022-11-04 12:05:59,967 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 18 [2022-11-04 12:06:00,367 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 288 trivial. 6 not checked. [2022-11-04 12:06:00,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078221512] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:06:00,367 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:06:00,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 37 [2022-11-04 12:06:00,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106793736] [2022-11-04 12:06:00,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:06:00,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-11-04 12:06:00,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:06:00,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-11-04 12:06:00,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1078, Unknown=2, NotChecked=134, Total=1332 [2022-11-04 12:06:00,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:00,371 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:06:00,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 14.378378378378379) internal successors, (532), 37 states have internal predecessors, (532), 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) [2022-11-04 12:06:00,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:00,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:00,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:00,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:00,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:00,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:06:00,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:00,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:06:00,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:00,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:00,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:00,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:00,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:04,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:04,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:04,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:04,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:04,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:04,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:06:04,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:04,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:06:04,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:04,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:06:04,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2022-11-04 12:06:05,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-11-04 12:06:05,016 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:06:05,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:06:05,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1474551202, now seen corresponding path program 1 times [2022-11-04 12:06:05,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:06:05,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353131662] [2022-11-04 12:06:05,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:06:05,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:06:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:06:09,862 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 20 proven. 343 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-11-04 12:06:09,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:06:09,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353131662] [2022-11-04 12:06:09,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353131662] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:06:09,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434000709] [2022-11-04 12:06:09,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:06:09,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:06:09,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:06:09,866 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:06:09,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-11-04 12:06:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:06:10,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 1302 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-04 12:06:10,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:06:12,299 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:06:12,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:06:12,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-04 12:06:12,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:06:12,663 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-04 12:06:12,724 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 235 proven. 27 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2022-11-04 12:06:12,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:06:12,769 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2680 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0))) is different from false [2022-11-04 12:06:12,794 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int)) (or (forall ((v_ArrVal_2680 (Array Int Int))) (not (= 0 (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|)))) (not (<= |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98|)))) is different from false [2022-11-04 12:06:12,821 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int) (v_ArrVal_2680 (Array Int Int))) (or (not (= 0 (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|))) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| |c_~#cache~0.base|))) is different from false [2022-11-04 12:06:12,963 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2679 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int) (v_ArrVal_2680 (Array Int Int))) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_2679) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| |c_~#cache~0.base|))) is different from false [2022-11-04 12:06:13,072 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-04 12:06:13,073 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-11-04 12:06:13,077 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 131 treesize of output 119 [2022-11-04 12:06:13,085 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 94 treesize of output 90 [2022-11-04 12:06:13,089 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 90 treesize of output 82 [2022-11-04 12:06:14,124 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 188 proven. 18 refuted. 0 times theorem prover too weak. 344 trivial. 56 not checked. [2022-11-04 12:06:14,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434000709] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:06:14,127 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:06:14,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 11, 11] total 39 [2022-11-04 12:06:14,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105640140] [2022-11-04 12:06:14,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:06:14,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-11-04 12:06:14,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:06:14,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-11-04 12:06:14,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1078, Unknown=4, NotChecked=276, Total=1482 [2022-11-04 12:06:14,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:14,132 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:06:14,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 25.384615384615383) internal successors, (990), 39 states have internal predecessors, (990), 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) [2022-11-04 12:06:14,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:14,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:14,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:14,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:14,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:14,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:06:14,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:14,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:06:14,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:14,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:14,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:14,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:14,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:06:14,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:15,192 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset|))) (and (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 1 |c_t_funThread1of2ForFork0_~i~0#1|) (<= 4 |c_~#cache~0.base|) (forall ((v_ArrVal_2679 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int) (v_ArrVal_2680 (Array Int Int))) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_2679) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| |c_~#cache~0.base|))) (<= (+ |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| 28) .cse0) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (<= |c_t_funThread2of2ForFork0_cache_entry_addref_#in~entry#1.offset| .cse0) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_#in~entry#1.base|) (= |c_t_funThread2of2ForFork0_~i~0#1| 0) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1))) is different from false [2022-11-04 12:06:15,308 WARN L833 $PredicateComparison]: unable to prove that (and (<= 1 |c_t_funThread1of2ForFork0_~i~0#1|) (<= |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) (<= 4 |c_~#cache~0.base|) (forall ((v_ArrVal_2679 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int) (v_ArrVal_2680 (Array Int Int))) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_2679) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| |c_~#cache~0.base|))) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (= |c_t_funThread2of2ForFork0_~i~0#1| 0) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:06:18,085 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset|))) (and (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| .cse0) (<= 4 |c_~#cache~0.base|) (forall ((v_ArrVal_2679 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int) (v_ArrVal_2680 (Array Int Int))) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_2679) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| |c_~#cache~0.base|))) (<= |c_t_funThread2of2ForFork0_~i~0#1| |c_t_funThread1of2ForFork0_~i~0#1|) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (<= |c_t_funThread2of2ForFork0_cache_entry_addref_#in~entry#1.offset| .cse0) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1))) is different from false [2022-11-04 12:06:18,090 WARN L833 $PredicateComparison]: unable to prove that (and (<= |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) (<= 4 |c_~#cache~0.base|) (forall ((v_ArrVal_2679 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int) (v_ArrVal_2680 (Array Int Int))) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_2679) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| |c_~#cache~0.base|))) (<= |c_t_funThread2of2ForFork0_~i~0#1| |c_t_funThread1of2ForFork0_~i~0#1|) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:06:18,095 WARN L833 $PredicateComparison]: unable to prove that (and (<= |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) (<= 4 |c_~#cache~0.base|) (<= |c_t_funThread2of2ForFork0_~i~0#1| |c_t_funThread1of2ForFork0_~i~0#1|) (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int) (v_ArrVal_2680 (Array Int Int))) (or (not (= 0 (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|))) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| |c_~#cache~0.base|))) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:06:18,134 WARN L833 $PredicateComparison]: unable to prove that (and (<= |c_t_funThread2of2ForFork0_~i~0#1| |c_t_funThread1of2ForFork0_#t~post43#1|) (<= 4 |c_~#cache~0.base|) (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int) (v_ArrVal_2680 (Array Int Int))) (or (not (= 0 (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|))) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| |c_~#cache~0.base|))) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (<= |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| (+ |c_~#cache~0.offset| (* 28 |c_t_funThread1of2ForFork0_#t~post43#1|))) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:06:18,138 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_~#cache~0.base|) (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int) (v_ArrVal_2680 (Array Int Int))) (or (not (= 0 (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|))) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| |c_~#cache~0.base|))) (<= |c_~#__global_lock~0.base| 3) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:06:18,142 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_~#cache~0.base|) (<= (+ |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| 28) (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int) (v_ArrVal_2680 (Array Int Int))) (or (not (= 0 (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|))) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| |c_~#cache~0.base|))) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (<= (+ |c_t_funThread2of2ForFork0_~i~0#1| 1) |c_t_funThread1of2ForFork0_~i~0#1|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:06:18,340 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= (+ |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| 28) |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.offset|) (<= 4 |c_~#cache~0.base|) (= |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int)) (or (forall ((v_ArrVal_2680 (Array Int Int))) (not (= 0 (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|)))) (not (<= |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98|)))) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (<= (+ |c_t_funThread2of2ForFork0_~i~0#1| 1) |c_t_funThread1of2ForFork0_~i~0#1|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:06:23,079 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| 28))) (and (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= .cse0 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.offset|) (<= 4 |c_~#cache~0.base|) (not (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset| (+ 3 |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset|))) (= |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (<= .cse0 (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (not (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset| (+ |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| 1))) (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int) (v_ArrVal_2680 (Array Int Int))) (or (not (= 0 (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|))) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| |c_~#cache~0.base|))) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (not (= (+ 2 |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|)) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (<= (+ |c_t_funThread2of2ForFork0_~i~0#1| 1) |c_t_funThread1of2ForFork0_~i~0#1|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1))) is different from false [2022-11-04 12:06:23,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:23,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:23,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:23,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:23,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:23,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:06:23,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:23,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:06:23,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:23,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:23,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:23,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:23,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:06:23,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-11-04 12:06:23,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-11-04 12:06:24,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:06:24,039 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:06:24,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:06:24,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1324533869, now seen corresponding path program 2 times [2022-11-04 12:06:24,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:06:24,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063279087] [2022-11-04 12:06:24,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:06:24,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:06:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:06:31,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 157 proven. 945 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2022-11-04 12:06:31,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:06:31,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063279087] [2022-11-04 12:06:31,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063279087] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:06:31,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269266036] [2022-11-04 12:06:31,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-04 12:06:31,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:06:31,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:06:31,317 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:06:31,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-11-04 12:06:31,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-04 12:06:31,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-04 12:06:31,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-04 12:06:31,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:06:31,747 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:06:31,772 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-04 12:06:31,845 INFO L356 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-04 12:06:31,846 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 treesize of output 48 [2022-11-04 12:06:31,949 INFO L356 Elim1Store]: treesize reduction 45, result has 27.4 percent of original size [2022-11-04 12:06:31,950 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 70 [2022-11-04 12:06:32,099 INFO L356 Elim1Store]: treesize reduction 96, result has 36.0 percent of original size [2022-11-04 12:06:32,100 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 74 treesize of output 110 [2022-11-04 12:06:32,307 INFO L356 Elim1Store]: treesize reduction 118, result has 23.9 percent of original size [2022-11-04 12:06:32,307 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 109 treesize of output 140 [2022-11-04 12:06:32,601 INFO L356 Elim1Store]: treesize reduction 184, result has 28.4 percent of original size [2022-11-04 12:06:32,601 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 137 treesize of output 189 [2022-11-04 12:06:33,126 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-04 12:06:33,126 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 62 [2022-11-04 12:06:33,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1517 trivial. 0 not checked. [2022-11-04 12:06:33,191 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-04 12:06:33,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269266036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-04 12:06:33,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-04 12:06:33,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [24] total 33 [2022-11-04 12:06:33,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232921160] [2022-11-04 12:06:33,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:06:33,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-04 12:06:33,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:06:33,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-04 12:06:33,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=961, Unknown=0, NotChecked=0, Total=1056 [2022-11-04 12:06:33,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:33,194 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:06:33,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 18.1) internal successors, (181), 11 states have internal predecessors, (181), 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) [2022-11-04 12:06:33,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:33,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:33,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:33,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:33,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:33,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:06:33,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:33,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:06:33,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:33,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:33,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:33,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:33,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:06:33,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-11-04 12:06:33,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:34,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:34,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:34,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:34,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:34,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:34,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:06:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:06:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:06:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-11-04 12:06:34,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-04 12:06:34,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2022-11-04 12:06:34,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:06:34,932 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:06:34,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:06:34,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1889088581, now seen corresponding path program 1 times [2022-11-04 12:06:34,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:06:34,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796314031] [2022-11-04 12:06:34,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:06:34,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:06:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:06:39,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 147 proven. 959 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2022-11-04 12:06:39,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:06:39,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796314031] [2022-11-04 12:06:39,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796314031] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:06:39,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197638452] [2022-11-04 12:06:39,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:06:39,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:06:39,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:06:39,982 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:06:39,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-11-04 12:06:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:06:40,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 2155 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-04 12:06:40,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:06:42,458 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:06:42,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:06:42,502 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-04 12:06:42,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:06:42,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-04 12:06:42,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 990 proven. 54 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2022-11-04 12:06:42,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:06:42,837 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4808 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0))) is different from false [2022-11-04 12:06:42,858 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (<= |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111|)) (forall ((v_ArrVal_4808 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0))))) is different from false [2022-11-04 12:06:42,892 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4808 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| |c_~#cache~0.base|))) is different from false [2022-11-04 12:06:42,992 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4807 (Array Int Int)) (v_ArrVal_4808 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_4807) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| |c_~#cache~0.base|))) is different from false [2022-11-04 12:06:43,008 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-04 12:06:43,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-11-04 12:06:43,012 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 131 treesize of output 119 [2022-11-04 12:06:43,018 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 94 treesize of output 86 [2022-11-04 12:06:43,022 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 86 treesize of output 82 [2022-11-04 12:06:44,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 964 proven. 32 refuted. 0 times theorem prover too weak. 523 trivial. 48 not checked. [2022-11-04 12:06:44,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197638452] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:06:44,110 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:06:44,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 11, 11] total 41 [2022-11-04 12:06:44,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872753026] [2022-11-04 12:06:44,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:06:44,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-11-04 12:06:44,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:06:44,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-11-04 12:06:44,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1212, Unknown=4, NotChecked=292, Total=1640 [2022-11-04 12:06:44,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:44,114 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:06:44,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 30.317073170731707) internal successors, (1243), 41 states have internal predecessors, (1243), 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) [2022-11-04 12:06:44,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:44,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:44,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:44,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:44,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:44,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:06:44,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:44,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:06:44,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:44,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:44,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:44,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:44,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:06:44,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-11-04 12:06:44,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-04 12:06:44,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:45,235 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 1 |c_t_funThread1of2ForFork0_~i~0#1|) (<= 4 |c_~#cache~0.base|) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (= |c_t_funThread2of2ForFork0_~i~0#1| 0) (forall ((v_ArrVal_4807 (Array Int Int)) (v_ArrVal_4808 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_4807) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| |c_~#cache~0.base|))) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:06:47,016 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_~#cache~0.base|) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (forall ((v_ArrVal_4807 (Array Int Int)) (v_ArrVal_4808 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_4807) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| |c_~#cache~0.base|))) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (<= (+ |c_t_funThread2of2ForFork0_~i~0#1| 1) |c_t_funThread1of2ForFork0_~i~0#1|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:06:47,108 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_~#cache~0.base|) (<= |c_t_funThread2of2ForFork0_~i~0#1| |c_t_funThread1of2ForFork0_~i~0#1|) (<= |c_~#__global_lock~0.base| 3) (forall ((v_ArrVal_4807 (Array Int Int)) (v_ArrVal_4808 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_4807) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| |c_~#cache~0.base|))) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:06:47,665 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_~#cache~0.base|) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (forall ((v_ArrVal_4807 (Array Int Int)) (v_ArrVal_4808 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_4807) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| |c_~#cache~0.base|))) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:06:47,908 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_~#cache~0.base|) (forall ((v_ArrVal_2679 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int) (v_ArrVal_2680 (Array Int Int))) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_2679) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| |c_~#cache~0.base|))) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:06:47,915 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_~#cache~0.base|) (forall ((v_ArrVal_2679 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int) (v_ArrVal_2680 (Array Int Int))) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_2679) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| |c_~#cache~0.base|))) (<= |c_~#__global_lock~0.base| 3) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:06:47,935 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_~#cache~0.base|) (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int)) (or (forall ((v_ArrVal_2680 (Array Int Int))) (not (= 0 (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|)))) (not (<= |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98|)))) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:06:48,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:48,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:48,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:48,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:48,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:48,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:06:48,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:48,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:06:48,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:48,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:48,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:48,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:48,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:06:48,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-11-04 12:06:48,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-04 12:06:48,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-04 12:06:48,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2022-11-04 12:06:48,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-11-04 12:06:48,312 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:06:48,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:06:48,313 INFO L85 PathProgramCache]: Analyzing trace with hash -236288581, now seen corresponding path program 2 times [2022-11-04 12:06:48,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:06:48,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620666805] [2022-11-04 12:06:48,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:06:48,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:06:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:06:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1547 backedges. 252 proven. 941 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2022-11-04 12:06:53,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:06:53,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620666805] [2022-11-04 12:06:53,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620666805] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:06:53,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536147707] [2022-11-04 12:06:53,285 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-04 12:06:53,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:06:53,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:06:53,286 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:06:53,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-11-04 12:06:54,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-04 12:06:54,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-04 12:06:54,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 2155 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-04 12:06:54,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:06:56,745 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:06:56,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:06:56,858 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-04 12:06:57,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:06:57,095 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-04 12:06:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1547 backedges. 531 proven. 87 refuted. 0 times theorem prover too weak. 929 trivial. 0 not checked. [2022-11-04 12:06:57,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:06:57,214 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5866 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_5866) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0))) is different from false [2022-11-04 12:06:57,221 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5866 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_t_funThread2of2ForFork0_cache_entry_addref_#in~entry#1.base| v_ArrVal_5866) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0))) is different from false [2022-11-04 12:06:57,234 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5866 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#cache~0.base| v_ArrVal_5866) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0))) is different from false [2022-11-04 12:06:57,281 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5866 (Array Int Int)) (v_ArrVal_5865 (Array Int Int))) (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_5865) |c_~#cache~0.base| v_ArrVal_5866) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0))) is different from false [2022-11-04 12:06:57,308 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-04 12:06:57,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-11-04 12:06:57,312 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 65 treesize of output 57 [2022-11-04 12:06:58,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1547 backedges. 444 proven. 50 refuted. 0 times theorem prover too weak. 939 trivial. 114 not checked. [2022-11-04 12:06:58,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536147707] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:06:58,674 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:06:58,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 12, 11] total 44 [2022-11-04 12:06:58,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999395138] [2022-11-04 12:06:58,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:06:58,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-11-04 12:06:58,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:06:58,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-11-04 12:06:58,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1419, Unknown=4, NotChecked=316, Total=1892 [2022-11-04 12:06:58,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:58,678 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:06:58,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 26.59090909090909) internal successors, (1170), 44 states have internal predecessors, (1170), 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) [2022-11-04 12:06:58,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:06:58,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:58,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:06:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:06:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:06:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:06:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:06:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:06:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-11-04 12:06:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-04 12:06:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-04 12:06:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:06,544 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#race| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|))) (and (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (= (select .cse0 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|) 0) (= (select .cse0 (+ 3 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|)) 0) (<= 4 |c_~#cache~0.base|) (= (select .cse0 (+ |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset| 1)) 0) (= (select .cse0 (+ 2 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|)) 0) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int) (v_ArrVal_2680 (Array Int Int))) (or (not (= 0 (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|))) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| |c_~#cache~0.base|))) (<= |c_~#__global_lock~0.base| 3) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1))) is different from false [2022-11-04 12:07:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:07:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:07:07,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:07,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:07:07,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:07:07,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:07:07,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:07:07,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:07:07,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:07:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-11-04 12:07:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-04 12:07:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-11-04 12:07:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-11-04 12:07:07,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2022-11-04 12:07:07,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-11-04 12:07:07,752 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:07:07,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:07:07,753 INFO L85 PathProgramCache]: Analyzing trace with hash -675111766, now seen corresponding path program 1 times [2022-11-04 12:07:07,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:07:07,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765759355] [2022-11-04 12:07:07,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:07:07,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:07:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:07:11,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5797 backedges. 4361 proven. 1140 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2022-11-04 12:07:11,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:07:11,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765759355] [2022-11-04 12:07:11,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765759355] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:07:11,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831783593] [2022-11-04 12:07:11,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:07:11,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:07:11,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:07:11,092 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:07:11,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-11-04 12:07:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:07:12,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 4062 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-04 12:07:12,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:07:14,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5797 backedges. 5348 proven. 68 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-11-04 12:07:14,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:07:16,165 INFO L134 CoverageAnalysis]: Checked inductivity of 5797 backedges. 5348 proven. 68 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-11-04 12:07:16,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831783593] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:07:16,165 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:07:16,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 44 [2022-11-04 12:07:16,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858609092] [2022-11-04 12:07:16,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:07:16,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-11-04 12:07:16,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:07:16,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-11-04 12:07:16,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=1626, Unknown=0, NotChecked=0, Total=1892 [2022-11-04 12:07:16,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:16,170 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:07:16,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 52.18181818181818) internal successors, (2296), 44 states have internal predecessors, (2296), 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) [2022-11-04 12:07:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:07:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:07:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:16,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:07:16,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:07:16,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:07:16,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:07:16,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:07:16,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:07:16,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-11-04 12:07:16,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-04 12:07:16,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-11-04 12:07:16,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2022-11-04 12:07:16,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:26,390 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#race| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|)) (.cse0 (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset|))) (and (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| .cse0) (= (select .cse1 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|) 0) (= (select .cse1 (+ 3 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|)) 0) (<= 4 |c_~#cache~0.base|) (= (select .cse1 (+ |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset| 1)) 0) (<= |c_t_funThread2of2ForFork0_~i~0#1| |c_t_funThread1of2ForFork0_~i~0#1|) (= (select .cse1 (+ 2 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|)) 0) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int) (v_ArrVal_2680 (Array Int Int))) (or (not (= 0 (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|))) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| |c_~#cache~0.base|))) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (<= |c_t_funThread2of2ForFork0_cache_entry_addref_#in~entry#1.offset| .cse0) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1))) is different from false [2022-11-04 12:07:35,182 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset| 1)) (.cse0 (+ |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| 28)) (.cse1 (select |c_#race| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|)) (.cse4 (+ 2 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|)) (.cse3 (select |c_#race| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|))) (and (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= .cse0 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.offset|) (= (select .cse1 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|) 0) (= (select .cse1 (+ 3 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|)) 0) (<= 4 |c_~#cache~0.base|) (= (select .cse1 .cse2) 0) (not (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset| (+ 3 |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset|))) (= (select .cse3 .cse4) 0) (= 0 (select .cse3 .cse2)) (= |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (<= .cse0 (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) (= (select .cse1 .cse4) 0) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (= (select .cse3 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|) 0) (not (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset| (+ |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| 1))) (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int) (v_ArrVal_2680 (Array Int Int))) (or (not (= 0 (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|))) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| |c_~#cache~0.base|))) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (not (= (+ 2 |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|)) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (<= (+ |c_t_funThread2of2ForFork0_~i~0#1| 1) |c_t_funThread1of2ForFork0_~i~0#1|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1))) is different from false [2022-11-04 12:07:35,904 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_~#cache~0.base|) (forall ((v_ArrVal_4808 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| |c_~#cache~0.base|))) (<= |c_t_funThread2of2ForFork0_~i~0#1| |c_t_funThread1of2ForFork0_~i~0#1|) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:07:35,908 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_~#cache~0.base|) (forall ((v_ArrVal_4808 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| |c_~#cache~0.base|))) (<= |c_t_funThread2of2ForFork0_~i~0#1| |c_t_funThread1of2ForFork0_~i~0#1|) (<= |c_~#__global_lock~0.base| 3) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:07:35,911 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_~#cache~0.base|) (forall ((v_ArrVal_4808 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| |c_~#cache~0.base|))) (<= |c_~#__global_lock~0.base| 3) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:07:35,914 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_~#cache~0.base|) (forall ((v_ArrVal_4808 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| |c_~#cache~0.base|))) (<= |c_~#__global_lock~0.base| 3) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:07:35,920 WARN L833 $PredicateComparison]: unable to prove that (and (<= |c_t_funThread2of2ForFork0_~i~0#1| |c_t_funThread1of2ForFork0_#t~post43#1|) (<= 4 |c_~#cache~0.base|) (forall ((v_ArrVal_4808 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| |c_~#cache~0.base|))) (<= |c_~#__global_lock~0.base| 3) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:07:35,923 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_~#cache~0.base|) (forall ((v_ArrVal_4808 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| |c_~#cache~0.base|))) (<= |c_~#__global_lock~0.base| 3) (<= (+ |c_t_funThread2of2ForFork0_~i~0#1| 1) |c_t_funThread1of2ForFork0_~i~0#1|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:07:44,110 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_~#cache~0.base|) (not (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset| (+ 3 |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset|))) (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (forall ((v_ArrVal_4808 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| |c_~#cache~0.base|))) (<= |c_t_funThread2of2ForFork0_~i~0#1| |c_t_funThread1of2ForFork0_~i~0#1|) (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| |c_t_funThread2of2ForFork0_cache_entry_addref_#in~entry#1.base|) (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| |c_~#cache~0.base|) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (not (= (+ 2 |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset|) |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|)) (<= (+ |c_t_funThread2of2ForFork0_cache_entry_addref_#in~entry#1.offset| 28) |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1) (<= (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|) |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|)) is different from false [2022-11-04 12:07:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:07:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:07:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:07:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:07:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:07:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:07:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:07:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:07:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:07:48,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:07:48,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2022-11-04 12:07:48,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-04 12:07:48,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-11-04 12:07:48,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-11-04 12:07:48,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-11-04 12:07:48,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-11-04 12:07:48,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-11-04 12:07:48,360 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:07:48,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:07:48,361 INFO L85 PathProgramCache]: Analyzing trace with hash -821524460, now seen corresponding path program 3 times [2022-11-04 12:07:48,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:07:48,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686635084] [2022-11-04 12:07:48,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:07:48,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:07:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:07:59,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5259 backedges. 195 proven. 2035 refuted. 0 times theorem prover too weak. 3029 trivial. 0 not checked. [2022-11-04 12:07:59,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:07:59,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686635084] [2022-11-04 12:07:59,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686635084] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:07:59,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660206527] [2022-11-04 12:07:59,576 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-04 12:07:59,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:07:59,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:07:59,584 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:07:59,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-11-04 12:08:00,619 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-04 12:08:00,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-04 12:08:00,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-04 12:08:00,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:08:05,715 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:08:05,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:08:05,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-04 12:08:05,791 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-04 12:08:05,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:08:05,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:08:05,860 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-04 12:08:05,889 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-04 12:08:10,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:08:10,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:08:10,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:08:10,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:08:10,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:08:10,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:08:10,085 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-04 12:08:10,085 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 65 [2022-11-04 12:08:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 5259 backedges. 334 proven. 459 refuted. 0 times theorem prover too weak. 4466 trivial. 0 not checked. [2022-11-04 12:08:10,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:08:12,312 INFO L134 CoverageAnalysis]: Checked inductivity of 5259 backedges. 793 proven. 0 refuted. 0 times theorem prover too weak. 4466 trivial. 0 not checked. [2022-11-04 12:08:12,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660206527] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-04 12:08:12,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-04 12:08:12,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [21, 11] total 42 [2022-11-04 12:08:12,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611039020] [2022-11-04 12:08:12,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-04 12:08:12,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-04 12:08:12,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:08:12,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-04 12:08:12,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1631, Unknown=1, NotChecked=0, Total=1806 [2022-11-04 12:08:12,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:08:12,316 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:08:12,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 18.642857142857142) internal successors, (261), 15 states have internal predecessors, (261), 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) [2022-11-04 12:08:12,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:08:12,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:12,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:12,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:08:12,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:12,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:08:12,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:12,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:08:12,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:08:12,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:08:12,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:08:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:08:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:08:12,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2022-11-04 12:08:12,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-04 12:08:12,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-11-04 12:08:12,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-11-04 12:08:12,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-11-04 12:08:12,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:08:17,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:08:17,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:17,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:17,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:08:17,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:17,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:08:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:08:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:08:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:08:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:08:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:08:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:08:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2022-11-04 12:08:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-04 12:08:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-11-04 12:08:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-11-04 12:08:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-11-04 12:08:17,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-04 12:08:17,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-11-04 12:08:17,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-11-04 12:08:17,264 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:08:17,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:08:17,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1595212472, now seen corresponding path program 4 times [2022-11-04 12:08:17,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:08:17,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948612844] [2022-11-04 12:08:17,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:08:17,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:08:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:08:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5331 backedges. 1921 proven. 22 refuted. 0 times theorem prover too weak. 3388 trivial. 0 not checked. [2022-11-04 12:08:20,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:08:20,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948612844] [2022-11-04 12:08:20,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948612844] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:08:20,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265951354] [2022-11-04 12:08:20,306 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-04 12:08:20,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:08:20,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:08:20,307 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:08:20,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-11-04 12:08:21,799 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-04 12:08:21,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-04 12:08:21,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 3649 conjuncts, 76 conjunts are in the unsatisfiable core [2022-11-04 12:08:21,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:08:21,842 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:08:21,872 INFO L356 Elim1Store]: treesize reduction 3, result has 78.6 percent of original size [2022-11-04 12:08:21,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-04 12:08:22,261 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:08:22,333 INFO L356 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-04 12:08:22,334 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-11-04 12:08:22,371 INFO L356 Elim1Store]: treesize reduction 3, result has 78.6 percent of original size [2022-11-04 12:08:22,371 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-04 12:08:22,696 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:08:22,758 INFO L356 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-04 12:08:22,758 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-11-04 12:08:22,797 INFO L356 Elim1Store]: treesize reduction 3, result has 78.6 percent of original size [2022-11-04 12:08:22,798 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-04 12:08:23,141 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:08:23,206 INFO L356 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-04 12:08:23,207 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-11-04 12:08:23,245 INFO L356 Elim1Store]: treesize reduction 3, result has 78.6 percent of original size [2022-11-04 12:08:23,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-04 12:08:23,617 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:08:23,700 INFO L356 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-04 12:08:23,701 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-11-04 12:08:23,746 INFO L356 Elim1Store]: treesize reduction 3, result has 78.6 percent of original size [2022-11-04 12:08:23,746 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-04 12:08:24,155 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:08:24,232 INFO L356 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-04 12:08:24,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-11-04 12:08:24,273 INFO L356 Elim1Store]: treesize reduction 3, result has 78.6 percent of original size [2022-11-04 12:08:24,273 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-04 12:08:24,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:08:24,784 INFO L356 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-04 12:08:24,784 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-11-04 12:08:24,825 INFO L356 Elim1Store]: treesize reduction 3, result has 78.6 percent of original size [2022-11-04 12:08:24,825 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-04 12:08:25,330 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:08:25,387 INFO L356 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-04 12:08:25,388 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-11-04 12:08:25,425 INFO L356 Elim1Store]: treesize reduction 3, result has 78.6 percent of original size [2022-11-04 12:08:25,426 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 [2022-11-04 12:08:25,810 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:08:25,869 INFO L356 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-04 12:08:25,870 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-11-04 12:08:25,918 INFO L356 Elim1Store]: treesize reduction 31, result has 38.0 percent of original size [2022-11-04 12:08:25,919 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 30 treesize of output 34 [2022-11-04 12:08:26,121 INFO L134 CoverageAnalysis]: Checked inductivity of 5331 backedges. 1374 proven. 339 refuted. 0 times theorem prover too weak. 3618 trivial. 0 not checked. [2022-11-04 12:08:26,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:08:28,293 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_159| Int) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset_159| Int) (v_ArrVal_11769 Int)) (let ((.cse0 (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset| 4) v_ArrVal_11769)))) (let ((.cse1 (select .cse0 |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_159|)) (.cse2 (+ |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset_159| 4))) (or (not (= 0 (select (select (store .cse0 |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_159| (store .cse1 .cse2 1)) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|))) (not (= (select .cse1 .cse2) 0)))))) is different from false [2022-11-04 12:08:28,360 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 176 treesize of output 164 [2022-11-04 12:08:33,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5331 backedges. 1350 proven. 413 refuted. 0 times theorem prover too weak. 3516 trivial. 52 not checked. [2022-11-04 12:08:33,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265951354] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:08:33,050 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:08:33,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 7] total 17 [2022-11-04 12:08:33,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918566967] [2022-11-04 12:08:33,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:08:33,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-04 12:08:33,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:08:33,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-04 12:08:33,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=176, Unknown=1, NotChecked=28, Total=272 [2022-11-04 12:08:33,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:08:33,053 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:08:33,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 44.23529411764706) internal successors, (752), 17 states have internal predecessors, (752), 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) [2022-11-04 12:08:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:08:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:08:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:08:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:08:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:08:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:08:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:08:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:08:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:08:33,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2022-11-04 12:08:33,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-04 12:08:33,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-11-04 12:08:33,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-11-04 12:08:33,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-11-04 12:08:33,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-04 12:08:33,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:08:34,847 WARN L833 $PredicateComparison]: unable to prove that (and (not (= |c_~#cache~0.base| |c_~#__global_lock~0.base|)) (not (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| |c_~#__global_lock~0.base|)) (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_159| Int) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset_159| Int) (v_ArrVal_11769 Int)) (let ((.cse0 (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset| 4) v_ArrVal_11769)))) (let ((.cse1 (select .cse0 |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_159|)) (.cse2 (+ |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset_159| 4))) (or (not (= 0 (select (select (store .cse0 |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_159| (store .cse1 .cse2 1)) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|))) (not (= (select .cse1 .cse2) 0)))))) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:08:37,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:08:37,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:37,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:08:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:08:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:08:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:08:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:08:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:08:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:08:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:08:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2022-11-04 12:08:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-04 12:08:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2022-11-04 12:08:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-11-04 12:08:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-11-04 12:08:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-04 12:08:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-04 12:08:37,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-11-04 12:08:37,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-11-04 12:08:37,964 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:08:37,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:08:37,965 INFO L85 PathProgramCache]: Analyzing trace with hash 866335364, now seen corresponding path program 1 times [2022-11-04 12:08:37,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:08:37,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376093040] [2022-11-04 12:08:37,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:08:37,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:08:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:08:40,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4863 backedges. 1456 proven. 19 refuted. 0 times theorem prover too weak. 3388 trivial. 0 not checked. [2022-11-04 12:08:40,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:08:40,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376093040] [2022-11-04 12:08:40,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376093040] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:08:40,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003816620] [2022-11-04 12:08:40,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:08:40,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:08:40,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:08:40,833 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:08:40,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-11-04 12:08:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:08:42,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 3694 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-04 12:08:42,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:08:46,918 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:08:47,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:08:47,023 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-04 12:08:47,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:08:47,216 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-04 12:08:47,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4863 backedges. 1348 proven. 127 refuted. 0 times theorem prover too weak. 3388 trivial. 0 not checked. [2022-11-04 12:08:47,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:08:47,319 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_13618 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_13618) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0))) is different from false [2022-11-04 12:08:47,335 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| Int)) (or (forall ((v_ArrVal_13618 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| v_ArrVal_13618) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0))) (not (<= |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176|)))) is different from false [2022-11-04 12:08:47,363 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| Int) (v_ArrVal_13618 (Array Int Int))) (or (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| v_ArrVal_13618) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| |c_~#cache~0.base|))) is different from false [2022-11-04 12:08:47,464 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| Int) (v_ArrVal_13617 (Array Int Int)) (v_ArrVal_13618 (Array Int Int))) (or (not (= 0 (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_13617) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| v_ArrVal_13618) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|))) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| |c_~#cache~0.base|))) is different from false [2022-11-04 12:08:47,517 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-04 12:08:47,517 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-11-04 12:08:47,521 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 131 treesize of output 119 [2022-11-04 12:08:47,680 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 94 treesize of output 90 [2022-11-04 12:08:47,683 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 90 treesize of output 82 [2022-11-04 12:08:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4863 backedges. 1184 proven. 69 refuted. 0 times theorem prover too weak. 3388 trivial. 222 not checked. [2022-11-04 12:08:49,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003816620] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:08:49,641 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:08:49,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 25 [2022-11-04 12:08:49,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693931565] [2022-11-04 12:08:49,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:08:49,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-04 12:08:49,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:08:49,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-04 12:08:49,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=325, Unknown=4, NotChecked=164, Total=600 [2022-11-04 12:08:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:08:49,645 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:08:49,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 38.76) internal successors, (969), 25 states have internal predecessors, (969), 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) [2022-11-04 12:08:49,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:08:49,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:49,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:49,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:08:49,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:49,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:08:49,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:08:49,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:08:49,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:08:49,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:08:49,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:08:49,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:08:49,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:08:49,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2022-11-04 12:08:49,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-04 12:08:49,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2022-11-04 12:08:49,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-11-04 12:08:49,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-11-04 12:08:49,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-04 12:08:49,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-04 12:08:49,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:08:49,899 WARN L833 $PredicateComparison]: unable to prove that (and (= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_~#cache~0.base|) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (not (= |c_~#cache~0.base| |c_~#__global_lock~0.base|)) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1) (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| Int) (v_ArrVal_13617 (Array Int Int)) (v_ArrVal_13618 (Array Int Int))) (or (not (= 0 (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_13617) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| v_ArrVal_13618) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|))) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| |c_~#cache~0.base|)))) is different from false [2022-11-04 12:08:49,902 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_~#cache~0.base|) (<= |c_~#__global_lock~0.base| 3) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1) (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| Int) (v_ArrVal_13617 (Array Int Int)) (v_ArrVal_13618 (Array Int Int))) (or (not (= 0 (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_13617) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| v_ArrVal_13618) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|))) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| |c_~#cache~0.base|)))) is different from false [2022-11-04 12:08:50,243 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| Int) (v_ArrVal_13618 (Array Int Int))) (or (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| v_ArrVal_13618) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| |c_~#cache~0.base|))) (<= 4 |c_~#cache~0.base|) (<= |c_~#__global_lock~0.base| 3) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:08:51,965 WARN L833 $PredicateComparison]: unable to prove that (and (= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_~#cache~0.base|) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (not (= |c_~#cache~0.base| |c_~#__global_lock~0.base|)) (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| Int)) (or (forall ((v_ArrVal_13618 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| v_ArrVal_13618) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0))) (not (<= |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176|)))) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:08:51,969 WARN L833 $PredicateComparison]: unable to prove that (and (= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_~#cache~0.base|) (<= |c_~#__global_lock~0.base| 3) (not (= |c_~#cache~0.base| |c_~#__global_lock~0.base|)) (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| Int)) (or (forall ((v_ArrVal_13618 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| v_ArrVal_13618) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0))) (not (<= |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176|)))) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:08:52,180 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| Int) (v_ArrVal_13618 (Array Int Int))) (or (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| v_ArrVal_13618) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| |c_~#cache~0.base|))) (<= 4 |c_~#cache~0.base|) (< |c_~#__global_lock~0.base| |c_~#cache~0.base|) (<= |c_~#__global_lock~0.base| 3) (not (= |c_~#cache~0.base| |c_~#__global_lock~0.base|)) (not (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| |c_~#__global_lock~0.base|)) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:08:52,184 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| Int) (v_ArrVal_13618 (Array Int Int))) (or (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| v_ArrVal_13618) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_176| |c_~#cache~0.base|))) (<= 4 |c_~#cache~0.base|) (< |c_~#__global_lock~0.base| |c_~#cache~0.base|) (<= |c_~#__global_lock~0.base| 3) (not (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| |c_~#__global_lock~0.base|)) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:08:54,209 WARN L833 $PredicateComparison]: unable to prove that (and (= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (not (= |c_~#cache~0.base| |c_~#__global_lock~0.base|)) (not (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| |c_~#__global_lock~0.base|)) (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_159| Int) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset_159| Int) (v_ArrVal_11769 Int)) (let ((.cse0 (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset| 4) v_ArrVal_11769)))) (let ((.cse1 (select .cse0 |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_159|)) (.cse2 (+ |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset_159| 4))) (or (not (= 0 (select (select (store .cse0 |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_159| (store .cse1 .cse2 1)) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|))) (not (= (select .cse1 .cse2) 0)))))) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:08:58,763 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 56 (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset|))) (and (= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= (+ |c_t_funThread2of2ForFork0_~i~0#1| 2) |c_t_funThread1of2ForFork0_~i~0#1|) (<= 4 |c_~#cache~0.base|) (forall ((v_ArrVal_4808 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| |c_~#cache~0.base|))) (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| |c_~#cache~0.base|) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (<= .cse0 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.offset|) (<= .cse0 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1))) is different from false [2022-11-04 12:08:58,768 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_~#cache~0.base|) (forall ((v_ArrVal_4808 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| |c_~#cache~0.base|))) (<= |c_~#__global_lock~0.base| 3) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (<= (+ |c_t_funThread2of2ForFork0_~i~0#1| 1) |c_t_funThread1of2ForFork0_~i~0#1|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:08:58,772 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_~#cache~0.base|) (forall ((v_ArrVal_4808 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| |c_~#cache~0.base|))) (<= (+ |c_t_funThread2of2ForFork0_~i~0#1| 1) |c_t_funThread1of2ForFork0_#t~post43#1|) (<= |c_~#__global_lock~0.base| 3) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:08:58,775 WARN L833 $PredicateComparison]: unable to prove that (and (<= (+ |c_t_funThread2of2ForFork0_~i~0#1| 2) |c_t_funThread1of2ForFork0_~i~0#1|) (<= 4 |c_~#cache~0.base|) (forall ((v_ArrVal_4808 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| Int)) (or (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| v_ArrVal_4808) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_111| |c_~#cache~0.base|))) (<= |c_~#__global_lock~0.base| 3) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:09:03,609 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset| 4))) (and (or (not (= |c_~#__global_lock~0.offset| .cse0)) (not (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| |c_~#__global_lock~0.base|))) (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_159| Int) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset_159| Int) (v_ArrVal_11769 Int)) (let ((.cse1 (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) .cse0 v_ArrVal_11769)))) (let ((.cse2 (select .cse1 |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_159|)) (.cse3 (+ |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset_159| 4))) (or (not (= 0 (select (select (store .cse1 |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_159| (store .cse2 .cse3 1)) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|))) (not (= (select .cse2 .cse3) 0)))))) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1))) is different from false [2022-11-04 12:09:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:09:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:09:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:09:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:09:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:09:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:09:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:09:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:09:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:09:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:09:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:09:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:09:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:09:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2022-11-04 12:09:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-04 12:09:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2022-11-04 12:09:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-11-04 12:09:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-11-04 12:09:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-04 12:09:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-04 12:09:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-04 12:09:04,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2022-11-04 12:09:04,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:09:04,585 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:09:04,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:09:04,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1347452821, now seen corresponding path program 1 times [2022-11-04 12:09:04,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:09:04,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002673848] [2022-11-04 12:09:04,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:09:04,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:09:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:09:08,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4932 backedges. 1530 proven. 22 refuted. 0 times theorem prover too weak. 3380 trivial. 0 not checked. [2022-11-04 12:09:08,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:09:08,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002673848] [2022-11-04 12:09:08,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002673848] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:09:08,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408522221] [2022-11-04 12:09:08,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:09:08,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:09:08,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:09:08,177 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:09:08,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-11-04 12:09:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:09:09,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 3742 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-04 12:09:09,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:09:14,060 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:09:14,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:09:14,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-04 12:09:14,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:09:14,307 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-04 12:09:14,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4932 backedges. 1385 proven. 159 refuted. 0 times theorem prover too weak. 3388 trivial. 0 not checked. [2022-11-04 12:09:14,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:09:14,416 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_15488 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_15488) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0))) is different from false [2022-11-04 12:09:14,428 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| Int)) (or (forall ((v_ArrVal_15488 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| v_ArrVal_15488) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0))) (not (<= |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197|)))) is different from false [2022-11-04 12:09:14,458 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_15488 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| Int)) (or (not (= (select (select (store |c_#pthreadsMutex| |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| v_ArrVal_15488) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| |c_~#cache~0.base|))) is different from false [2022-11-04 12:09:14,578 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_15487 (Array Int Int)) (v_ArrVal_15488 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| Int)) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_15487) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| v_ArrVal_15488) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| |c_~#cache~0.base|))) is different from false [2022-11-04 12:09:14,589 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-04 12:09:14,589 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-11-04 12:09:14,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 65 treesize of output 57 [2022-11-04 12:09:14,605 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 42 treesize of output 38 [2022-11-04 12:09:14,610 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 38 treesize of output 36 [2022-11-04 12:09:17,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4932 backedges. 1269 proven. 101 refuted. 0 times theorem prover too weak. 3388 trivial. 174 not checked. [2022-11-04 12:09:17,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408522221] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-04 12:09:17,152 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-04 12:09:17,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 29 [2022-11-04 12:09:17,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585669706] [2022-11-04 12:09:17,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-04 12:09:17,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-04 12:09:17,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-04 12:09:17,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-04 12:09:17,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=487, Unknown=4, NotChecked=196, Total=812 [2022-11-04 12:09:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:09:17,158 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-04 12:09:17,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 32.275862068965516) internal successors, (936), 29 states have internal predecessors, (936), 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) [2022-11-04 12:09:17,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:09:17,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:09:17,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:09:17,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:09:17,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:09:17,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:09:17,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:09:17,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:09:17,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:09:17,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:09:17,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:09:17,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:09:17,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:09:17,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2022-11-04 12:09:17,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-04 12:09:17,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2022-11-04 12:09:17,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-11-04 12:09:17,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-11-04 12:09:17,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-04 12:09:17,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-04 12:09:17,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-04 12:09:17,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:09:17,800 WARN L833 $PredicateComparison]: unable to prove that (and (= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_~#cache~0.base|) (= |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (not (= |c_~#__global_lock~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|)) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (forall ((v_ArrVal_15487 (Array Int Int)) (v_ArrVal_15488 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| Int)) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_15487) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| v_ArrVal_15488) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| |c_~#cache~0.base|))) (not (= |c_~#cache~0.base| |c_~#__global_lock~0.base|)) (not (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| |c_~#__global_lock~0.base|)) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:09:18,234 WARN L833 $PredicateComparison]: unable to prove that (and (= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_~#cache~0.base|) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (forall ((v_ArrVal_15487 (Array Int Int)) (v_ArrVal_15488 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| Int)) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_15487) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| v_ArrVal_15488) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| |c_~#cache~0.base|))) (not (= |c_~#cache~0.base| |c_~#__global_lock~0.base|)) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:09:19,059 WARN L833 $PredicateComparison]: unable to prove that (and (<= 4 |c_~#cache~0.base|) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (forall ((v_ArrVal_15487 (Array Int Int)) (v_ArrVal_15488 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| Int)) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_15487) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| v_ArrVal_15488) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| |c_~#cache~0.base|))) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_#in~entry#1.base|) (not (= |c_~#cache~0.base| |c_~#__global_lock~0.base|)) (not (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| |c_~#__global_lock~0.base|)) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:09:20,642 WARN L833 $PredicateComparison]: unable to prove that (and (= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (<= 4 |c_~#cache~0.base|) (= |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (not (= |c_~#__global_lock~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|)) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (forall ((v_ArrVal_15487 (Array Int Int)) (v_ArrVal_15488 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| Int)) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_15487) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| v_ArrVal_15488) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_197| |c_~#cache~0.base|))) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_#in~entry#1.base|) (not (= |c_~#cache~0.base| |c_~#__global_lock~0.base|)) (not (= |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| |c_~#__global_lock~0.base|)) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1)) is different from false [2022-11-04 12:09:28,572 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#race| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|))) (and (<= 4 |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (= (select .cse0 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|) 0) (= (select .cse0 (+ 3 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|)) 0) (<= 4 |c_~#cache~0.base|) (= (select .cse0 (+ |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset| 1)) 0) (forall ((v_ArrVal_2679 (Array Int Int)) (|v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| Int) (v_ArrVal_2680 (Array Int Int))) (or (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_2679) |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| v_ArrVal_2680) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0)) (< |v_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base_98| |c_~#cache~0.base|))) (<= (+ |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.offset| 28) (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) (= (select .cse0 (+ 2 |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.offset|)) 0) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base|) (= |c_~#cache~0.base| |c_t_funThread2of2ForFork0_cache_entry_addref_~entry#1.base|) (<= |c_~#__global_lock~0.base| 3) (<= |c_~#cache~0.base| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base|) (<= (+ |c_t_funThread2of2ForFork0_~i~0#1| 1) |c_t_funThread1of2ForFork0_~i~0#1|) (= (select (select |c_#pthreadsMutex| |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 1))) is different from false [2022-11-04 12:09:33,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-04 12:09:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:09:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:09:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:09:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:09:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-04 12:09:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-04 12:09:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-04 12:09:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:09:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-04 12:09:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:09:33,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-04 12:09:33,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-04 12:09:33,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2022-11-04 12:09:33,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-04 12:09:33,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2022-11-04 12:09:33,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-11-04 12:09:33,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-11-04 12:09:33,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-04 12:09:33,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-04 12:09:33,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-04 12:09:33,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-04 12:09:33,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-11-04 12:09:33,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:09:33,508 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-04 12:09:33,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-04 12:09:33,508 INFO L85 PathProgramCache]: Analyzing trace with hash -810279549, now seen corresponding path program 2 times [2022-11-04 12:09:33,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-04 12:09:33,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014639616] [2022-11-04 12:09:33,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-04 12:09:33,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-04 12:09:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-04 12:09:37,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4932 backedges. 1525 proven. 19 refuted. 0 times theorem prover too weak. 3388 trivial. 0 not checked. [2022-11-04 12:09:37,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-04 12:09:37,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014639616] [2022-11-04 12:09:37,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014639616] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-04 12:09:37,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059657848] [2022-11-04 12:09:37,035 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-04 12:09:37,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-04 12:09:37,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 [2022-11-04 12:09:37,036 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-04 12:09:37,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8c26c6-ddac-4539-bae2-1aee999b3c1c/bin/ugemcutter-C1kR7RIaUi/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-11-04 12:09:38,770 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-04 12:09:38,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-04 12:09:38,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 3742 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-04 12:09:38,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-04 12:09:43,256 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-11-04 12:09:43,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:09:43,350 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-04 12:09:43,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-04 12:09:43,557 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-04 12:09:43,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4932 backedges. 1525 proven. 35 refuted. 0 times theorem prover too weak. 3372 trivial. 0 not checked. [2022-11-04 12:09:43,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-04 12:09:43,675 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_17358 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_17358) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0))) is different from false [2022-11-04 12:09:43,682 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_17358 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_#in~entry#1.base| v_ArrVal_17358) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0))) is different from false [2022-11-04 12:09:43,694 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_17358 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#cache~0.base| v_ArrVal_17358) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0))) is different from false [2022-11-04 12:09:43,734 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_17358 (Array Int Int)) (v_ArrVal_17357 (Array Int Int))) (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of2ForFork0_cache_entry_addref_~entry#1.base| v_ArrVal_17357) |c_~#cache~0.base| v_ArrVal_17358) |c_~#__global_lock~0.base|) |c_~#__global_lock~0.offset|) 0))) is different from false [2022-11-04 12:09:43,764 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-04 12:09:43,764 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-11-04 12:09:43,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 131 treesize of output 119