./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w --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 c0b350b5c7953744a22c8334b20c4dc8efdff09f1ecb36de8b1744d1e20f0260 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 08:38:37,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 08:38:37,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 08:38:37,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 08:38:37,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 08:38:37,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 08:38:37,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 08:38:37,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 08:38:37,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 08:38:37,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 08:38:37,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 08:38:37,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 08:38:37,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 08:38:37,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 08:38:37,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 08:38:37,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 08:38:37,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 08:38:37,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 08:38:37,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 08:38:37,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 08:38:37,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 08:38:37,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 08:38:37,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 08:38:37,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 08:38:37,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 08:38:37,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 08:38:37,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 08:38:37,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 08:38:37,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 08:38:37,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 08:38:37,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 08:38:37,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 08:38:37,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 08:38:37,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 08:38:37,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 08:38:37,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 08:38:37,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 08:38:37,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 08:38:37,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 08:38:37,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 08:38:37,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 08:38:37,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-12-13 08:38:37,994 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 08:38:37,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 08:38:37,995 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 08:38:37,999 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 08:38:38,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 08:38:38,000 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 08:38:38,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 08:38:38,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 08:38:38,001 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 08:38:38,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 08:38:38,002 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 08:38:38,002 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 08:38:38,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 08:38:38,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 08:38:38,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 08:38:38,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 08:38:38,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 08:38:38,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 08:38:38,003 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 08:38:38,003 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 08:38:38,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 08:38:38,003 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 08:38:38,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 08:38:38,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 08:38:38,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 08:38:38,004 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 08:38:38,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 08:38:38,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:38:38,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 08:38:38,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 08:38:38,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 08:38:38,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 08:38:38,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 08:38:38,005 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 08:38:38,006 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 08:38:38,006 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 08:38:38,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 08:38:38,006 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 08:38:38,006 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 08:38:38,006 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_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0b350b5c7953744a22c8334b20c4dc8efdff09f1ecb36de8b1744d1e20f0260 [2022-12-13 08:38:38,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 08:38:38,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 08:38:38,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 08:38:38,195 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 08:38:38,195 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 08:38:38,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2022-12-13 08:38:40,850 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 08:38:41,020 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 08:38:41,021 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2022-12-13 08:38:41,027 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/data/54490165f/655ad7a333c245c39c5142aea7f7fc0a/FLAGb3fd36145 [2022-12-13 08:38:41,426 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/data/54490165f/655ad7a333c245c39c5142aea7f7fc0a [2022-12-13 08:38:41,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 08:38:41,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 08:38:41,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 08:38:41,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 08:38:41,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 08:38:41,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:38:41" (1/1) ... [2022-12-13 08:38:41,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f6caa18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:41, skipping insertion in model container [2022-12-13 08:38:41,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:38:41" (1/1) ... [2022-12-13 08:38:41,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 08:38:41,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 08:38:41,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,585 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,587 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,589 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,592 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,592 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,599 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,600 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,601 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,609 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,613 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,614 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,623 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c[4225,4238] [2022-12-13 08:38:41,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:38:41,638 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 08:38:41,649 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,651 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,651 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,652 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,653 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,655 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,655 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,656 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,660 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,662 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,667 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:38:41,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:38:41,682 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c[4225,4238] [2022-12-13 08:38:41,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:38:41,702 INFO L208 MainTranslator]: Completed translation [2022-12-13 08:38:41,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:41 WrapperNode [2022-12-13 08:38:41,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 08:38:41,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 08:38:41,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 08:38:41,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 08:38:41,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:41" (1/1) ... [2022-12-13 08:38:41,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:41" (1/1) ... [2022-12-13 08:38:41,762 INFO L138 Inliner]: procedures = 29, calls = 88, calls flagged for inlining = 22, calls inlined = 32, statements flattened = 673 [2022-12-13 08:38:41,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 08:38:41,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 08:38:41,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 08:38:41,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 08:38:41,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:41" (1/1) ... [2022-12-13 08:38:41,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:41" (1/1) ... [2022-12-13 08:38:41,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:41" (1/1) ... [2022-12-13 08:38:41,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:41" (1/1) ... [2022-12-13 08:38:41,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:41" (1/1) ... [2022-12-13 08:38:41,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:41" (1/1) ... [2022-12-13 08:38:41,809 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:41" (1/1) ... [2022-12-13 08:38:41,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:41" (1/1) ... [2022-12-13 08:38:41,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 08:38:41,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 08:38:41,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 08:38:41,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 08:38:41,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:41" (1/1) ... [2022-12-13 08:38:41,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:38:41,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:38:41,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 08:38:41,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 08:38:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 08:38:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 08:38:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 08:38:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 08:38:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 08:38:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 08:38:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 08:38:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 08:38:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 08:38:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 08:38:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-13 08:38:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-13 08:38:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 08:38:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-12-13 08:38:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-12-13 08:38:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-12-13 08:38:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-12-13 08:38:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 08:38:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 08:38:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 08:38:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 08:38:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 08:38:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 08:38:41,883 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 08:38:41,997 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 08:38:41,998 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 08:38:42,644 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 08:38:42,919 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 08:38:42,919 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-13 08:38:42,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:38:42 BoogieIcfgContainer [2022-12-13 08:38:42,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 08:38:42,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 08:38:42,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 08:38:42,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 08:38:42,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:38:41" (1/3) ... [2022-12-13 08:38:42,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@419848cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:38:42, skipping insertion in model container [2022-12-13 08:38:42,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:38:41" (2/3) ... [2022-12-13 08:38:42,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@419848cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:38:42, skipping insertion in model container [2022-12-13 08:38:42,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:38:42" (3/3) ... [2022-12-13 08:38:42,926 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2022-12-13 08:38:42,933 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 08:38:42,941 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 08:38:42,941 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 89 error locations. [2022-12-13 08:38:42,941 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 08:38:43,039 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2022-12-13 08:38:43,085 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:38:43,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:38:43,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:38:43,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:38:43,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 08:38:43,128 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:38:43,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork2 ======== [2022-12-13 08:38:43,141 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;@748d9587, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:38:43,141 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2022-12-13 08:38:43,647 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-12-13 08:38:43,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:38:43,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1435223945, now seen corresponding path program 1 times [2022-12-13 08:38:43,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:38:43,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366725919] [2022-12-13 08:38:43,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:38:43,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:38:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:38:43,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:38:43,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:38:43,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366725919] [2022-12-13 08:38:43,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366725919] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:38:43,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:38:43,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:38:43,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850596057] [2022-12-13 08:38:43,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:38:43,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 08:38:43,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:38:43,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 08:38:43,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 08:38:43,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:38:43,943 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:38:43,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 116.0) internal successors, (232), 2 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:38:43,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:03,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:03,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2022-12-13 08:41:03,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2022-12-13 08:41:03,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2022-12-13 08:41:03,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2022-12-13 08:41:03,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2022-12-13 08:41:03,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2022-12-13 08:41:03,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2022-12-13 08:41:03,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2022-12-13 08:41:03,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2022-12-13 08:41:03,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2022-12-13 08:41:03,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2022-12-13 08:41:03,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 08:41:03,577 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 08:41:03,579 INFO L307 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork2 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/7) [2022-12-13 08:41:03,585 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:41:03,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:41:03,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:41:03,604 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:41:03,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8dcf4-1d83-48db-a064-e3b90ab57a6b/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-12-13 08:41:03,608 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:41:03,608 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork3 ======== [2022-12-13 08:41:03,608 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;@748d9587, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:41:03,608 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-12-13 08:41:03,852 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread4Err0ASSERT_VIOLATIONDATA_RACE, thread4Err1ASSERT_VIOLATIONDATA_RACE, thread4Err2ASSERT_VIOLATIONDATA_RACE, thread4Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 08:41:03,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:41:03,853 INFO L85 PathProgramCache]: Analyzing trace with hash -809776584, now seen corresponding path program 1 times [2022-12-13 08:41:03,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:41:03,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503055229] [2022-12-13 08:41:03,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:41:03,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:41:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:41:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:41:03,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:41:03,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503055229] [2022-12-13 08:41:03,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503055229] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:41:03,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:41:03,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:41:03,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956983945] [2022-12-13 08:41:03,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:41:03,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 08:41:03,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:41:03,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 08:41:03,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 08:41:03,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:03,977 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:41:03,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 117.5) internal successors, (235), 2 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:41:03,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:04,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:04,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 08:41:04,008 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread4Err0ASSERT_VIOLATIONDATA_RACE, thread4Err1ASSERT_VIOLATIONDATA_RACE, thread4Err2ASSERT_VIOLATIONDATA_RACE, thread4Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 08:41:04,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:41:04,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1708397000, now seen corresponding path program 1 times [2022-12-13 08:41:04,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:41:04,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930755711] [2022-12-13 08:41:04,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:41:04,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:41:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:41:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:41:04,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:41:04,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930755711] [2022-12-13 08:41:04,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930755711] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:41:04,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:41:04,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 08:41:04,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815838199] [2022-12-13 08:41:04,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:41:04,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:41:04,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:41:04,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:41:04,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:41:04,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:04,730 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:41:04,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 46.2) internal successors, (231), 6 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:41:04,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:04,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:30,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:30,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:30,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 08:41:30,936 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread4Err1ASSERT_VIOLATIONDATA_RACE === [thread4Err0ASSERT_VIOLATIONDATA_RACE, thread4Err1ASSERT_VIOLATIONDATA_RACE, thread4Err2ASSERT_VIOLATIONDATA_RACE, thread4Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 08:41:30,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:41:30,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1076939230, now seen corresponding path program 1 times [2022-12-13 08:41:30,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:41:30,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983335709] [2022-12-13 08:41:30,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:41:30,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:41:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:41:31,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 08:41:31,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:41:31,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983335709] [2022-12-13 08:41:31,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983335709] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:41:31,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:41:31,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 08:41:31,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045341028] [2022-12-13 08:41:31,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:41:31,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:41:31,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:41:31,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:41:31,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:41:31,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:31,848 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:41:31,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 47.0) internal successors, (282), 6 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:41:31,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:31,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:31,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:41,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:41,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:41,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:41,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 08:41:41,033 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread4Err1ASSERT_VIOLATIONDATA_RACE === [thread4Err0ASSERT_VIOLATIONDATA_RACE, thread4Err1ASSERT_VIOLATIONDATA_RACE, thread4Err2ASSERT_VIOLATIONDATA_RACE, thread4Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 08:41:41,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:41:41,034 INFO L85 PathProgramCache]: Analyzing trace with hash 52245309, now seen corresponding path program 1 times [2022-12-13 08:41:41,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:41:41,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496042275] [2022-12-13 08:41:41,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:41:41,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:41:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:41:41,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 08:41:41,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:41:41,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496042275] [2022-12-13 08:41:41,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496042275] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:41:41,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:41:41,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 08:41:41,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975220074] [2022-12-13 08:41:41,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:41:41,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:41:41,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:41:41,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:41:41,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:41:41,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:41,541 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:41:41,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 47.0) internal successors, (282), 6 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:41:41,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:41,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:41,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:41,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:52,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:52,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:52,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:52,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:52,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 08:41:52,388 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread4Err1ASSERT_VIOLATIONDATA_RACE === [thread4Err0ASSERT_VIOLATIONDATA_RACE, thread4Err1ASSERT_VIOLATIONDATA_RACE, thread4Err2ASSERT_VIOLATIONDATA_RACE, thread4Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 08:41:52,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:41:52,388 INFO L85 PathProgramCache]: Analyzing trace with hash -14761444, now seen corresponding path program 1 times [2022-12-13 08:41:52,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:41:52,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907095632] [2022-12-13 08:41:52,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:41:52,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:41:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:41:52,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 08:41:52,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:41:52,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907095632] [2022-12-13 08:41:52,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907095632] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:41:52,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:41:52,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 08:41:52,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143469530] [2022-12-13 08:41:52,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:41:52,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 08:41:52,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:41:52,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 08:41:52,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 08:41:52,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:52,861 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:41:52,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 56.4) internal successors, (282), 6 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:41:52,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:52,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:52,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:52,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:52,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:59,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:59,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:59,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:59,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:59,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:59,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 08:41:59,429 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread4Err2ASSERT_VIOLATIONDATA_RACE === [thread4Err0ASSERT_VIOLATIONDATA_RACE, thread4Err1ASSERT_VIOLATIONDATA_RACE, thread4Err2ASSERT_VIOLATIONDATA_RACE, thread4Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 08:41:59,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:41:59,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1241266950, now seen corresponding path program 1 times [2022-12-13 08:41:59,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:41:59,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571163062] [2022-12-13 08:41:59,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:41:59,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:41:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:41:59,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 08:41:59,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:41:59,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571163062] [2022-12-13 08:41:59,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571163062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:41:59,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:41:59,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:41:59,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619980895] [2022-12-13 08:41:59,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:41:59,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:41:59,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:41:59,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:41:59,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:41:59,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:59,493 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:41:59,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 145.0) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:41:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:41:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:59,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:41:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:22,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:22,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 08:42:22,877 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread4Err3ASSERT_VIOLATIONDATA_RACE === [thread4Err0ASSERT_VIOLATIONDATA_RACE, thread4Err1ASSERT_VIOLATIONDATA_RACE, thread4Err2ASSERT_VIOLATIONDATA_RACE, thread4Err3ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 08:42:22,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:42:22,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1143301464, now seen corresponding path program 1 times [2022-12-13 08:42:22,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:42:22,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206243762] [2022-12-13 08:42:22,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:42:22,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:42:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:42:22,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 08:42:22,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:42:22,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206243762] [2022-12-13 08:42:22,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206243762] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:42:22,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:42:22,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:42:22,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411416751] [2022-12-13 08:42:22,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:42:22,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 08:42:22,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:42:22,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 08:42:22,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 08:42:22,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:22,938 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:42:22,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 146.0) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:42:22,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:42:22,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:22,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:22,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:22,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:42:22,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 08:42:22,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.