./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4864acf28eb3fe42b4a237468061905eb474c41e1edb519c0790cee08cdc91bf --- 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-8393723 [2022-11-18 01:51:38,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 01:51:38,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 01:51:38,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 01:51:38,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 01:51:38,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 01:51:38,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 01:51:38,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 01:51:38,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 01:51:38,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 01:51:38,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 01:51:38,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 01:51:38,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 01:51:38,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 01:51:38,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 01:51:38,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 01:51:38,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 01:51:38,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 01:51:38,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 01:51:38,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 01:51:38,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 01:51:38,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 01:51:38,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 01:51:38,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 01:51:39,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 01:51:39,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 01:51:39,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 01:51:39,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 01:51:39,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 01:51:39,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 01:51:39,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 01:51:39,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 01:51:39,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 01:51:39,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 01:51:39,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 01:51:39,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 01:51:39,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 01:51:39,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 01:51:39,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 01:51:39,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 01:51:39,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 01:51:39,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-18 01:51:39,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 01:51:39,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 01:51:39,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 01:51:39,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 01:51:39,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 01:51:39,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 01:51:39,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 01:51:39,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 01:51:39,081 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 01:51:39,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 01:51:39,082 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 01:51:39,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 01:51:39,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 01:51:39,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 01:51:39,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 01:51:39,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 01:51:39,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 01:51:39,084 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 01:51:39,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 01:51:39,085 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 01:51:39,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 01:51:39,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 01:51:39,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 01:51:39,086 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-18 01:51:39,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 01:51:39,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:51:39,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 01:51:39,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 01:51:39,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 01:51:39,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 01:51:39,089 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-18 01:51:39,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 01:51:39,091 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 01:51:39,091 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 01:51:39,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 01:51:39,092 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 01:51:39,092 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 01:51:39,092 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_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4864acf28eb3fe42b4a237468061905eb474c41e1edb519c0790cee08cdc91bf [2022-11-18 01:51:39,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 01:51:39,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 01:51:39,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 01:51:39,526 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 01:51:39,527 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 01:51:39,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/../../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2022-11-18 01:51:39,623 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/data/0a4ff6f79/080ce608f5a649b5bd69c32f15d355d7/FLAGecf652606 [2022-11-18 01:51:40,423 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 01:51:40,424 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2022-11-18 01:51:40,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/data/0a4ff6f79/080ce608f5a649b5bd69c32f15d355d7/FLAGecf652606 [2022-11-18 01:51:40,641 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/data/0a4ff6f79/080ce608f5a649b5bd69c32f15d355d7 [2022-11-18 01:51:40,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 01:51:40,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 01:51:40,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 01:51:40,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 01:51:40,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 01:51:40,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:51:40" (1/1) ... [2022-11-18 01:51:40,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d60722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:40, skipping insertion in model container [2022-11-18 01:51:40,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:51:40" (1/1) ... [2022-11-18 01:51:40,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 01:51:40,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:51:41,280 WARN L234 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_fb3743dd-832b-4406-8a8c-37686ef451e7/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i[30176,30189] [2022-11-18 01:51:41,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:51:41,331 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 01:51:41,392 WARN L234 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_fb3743dd-832b-4406-8a8c-37686ef451e7/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i[30176,30189] [2022-11-18 01:51:41,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:51:41,472 INFO L208 MainTranslator]: Completed translation [2022-11-18 01:51:41,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:41 WrapperNode [2022-11-18 01:51:41,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 01:51:41,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 01:51:41,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 01:51:41,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 01:51:41,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:41" (1/1) ... [2022-11-18 01:51:41,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:41" (1/1) ... [2022-11-18 01:51:41,557 INFO L138 Inliner]: procedures = 170, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-11-18 01:51:41,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 01:51:41,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 01:51:41,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 01:51:41,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 01:51:41,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:41" (1/1) ... [2022-11-18 01:51:41,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:41" (1/1) ... [2022-11-18 01:51:41,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:41" (1/1) ... [2022-11-18 01:51:41,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:41" (1/1) ... [2022-11-18 01:51:41,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:41" (1/1) ... [2022-11-18 01:51:41,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:41" (1/1) ... [2022-11-18 01:51:41,608 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:41" (1/1) ... [2022-11-18 01:51:41,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:41" (1/1) ... [2022-11-18 01:51:41,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 01:51:41,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 01:51:41,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 01:51:41,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 01:51:41,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:41" (1/1) ... [2022-11-18 01:51:41,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:51:41,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:41,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 01:51:41,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 01:51:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 01:51:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 01:51:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 01:51:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 01:51:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 01:51:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-18 01:51:41,711 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-18 01:51:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 01:51:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 01:51:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 01:51:41,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 01:51:41,714 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 01:51:41,897 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 01:51:41,899 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 01:51:42,310 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 01:51:42,319 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 01:51:42,327 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-18 01:51:42,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:51:42 BoogieIcfgContainer [2022-11-18 01:51:42,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 01:51:42,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 01:51:42,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 01:51:42,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 01:51:42,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:51:40" (1/3) ... [2022-11-18 01:51:42,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b9e46be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:51:42, skipping insertion in model container [2022-11-18 01:51:42,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:51:41" (2/3) ... [2022-11-18 01:51:42,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b9e46be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:51:42, skipping insertion in model container [2022-11-18 01:51:42,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:51:42" (3/3) ... [2022-11-18 01:51:42,346 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2022-11-18 01:51:42,359 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 01:51:42,373 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 01:51:42,373 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 01:51:42,373 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 01:51:42,445 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-18 01:51:42,496 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:51:42,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-18 01:51:42,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:51:42,501 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-18 01:51:42,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-18 01:51:42,559 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-18 01:51:42,594 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-18 01:51:42,602 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;@661c0e00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:51:42,603 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-18 01:51:42,939 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-18 01:51:42,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:42,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1643629955, now seen corresponding path program 1 times [2022-11-18 01:51:42,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:42,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071540530] [2022-11-18 01:51:42,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:42,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:43,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:43,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:43,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071540530] [2022-11-18 01:51:43,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071540530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:51:43,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:51:43,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 01:51:43,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774281387] [2022-11-18 01:51:43,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:51:44,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 01:51:44,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:44,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 01:51:44,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-18 01:51:44,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:44,044 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:44,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 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) [2022-11-18 01:51:44,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:51:44,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 01:51:44,503 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-18 01:51:44,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:44,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1672630241, now seen corresponding path program 1 times [2022-11-18 01:51:44,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:44,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706852095] [2022-11-18 01:51:44,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:44,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:51:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:51:44,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:51:44,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706852095] [2022-11-18 01:51:44,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706852095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:51:44,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:51:44,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 01:51:44,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068474511] [2022-11-18 01:51:44,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:51:44,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:51:44,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:51:44,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:51:44,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 01:51:44,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:44,629 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:51:44,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2022-11-18 01:51:44,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:51:44,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:51:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:51:44,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:51:44,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 01:51:44,693 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-18 01:51:44,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:51:44,694 INFO L85 PathProgramCache]: Analyzing trace with hash 781899601, now seen corresponding path program 1 times [2022-11-18 01:51:44,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:51:44,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012936093] [2022-11-18 01:51:44,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:51:44,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:51:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 01:51:44,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 01:51:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 01:51:44,776 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 01:51:44,776 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 01:51:44,778 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-18 01:51:44,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-11-18 01:51:44,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 01:51:44,788 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-18 01:51:44,794 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 01:51:44,795 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 01:51:44,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:51:44 BasicIcfg [2022-11-18 01:51:44,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 01:51:44,847 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 01:51:44,847 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 01:51:44,847 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 01:51:44,848 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:51:42" (3/4) ... [2022-11-18 01:51:44,850 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-18 01:51:44,929 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/witness.graphml [2022-11-18 01:51:44,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 01:51:44,930 INFO L158 Benchmark]: Toolchain (without parser) took 4282.94ms. Allocated memory was 104.9MB in the beginning and 157.3MB in the end (delta: 52.4MB). Free memory was 75.5MB in the beginning and 127.7MB in the end (delta: -52.1MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2022-11-18 01:51:44,931 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 01:51:44,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 822.08ms. Allocated memory was 104.9MB in the beginning and 157.3MB in the end (delta: 52.4MB). Free memory was 75.3MB in the beginning and 122.7MB in the end (delta: -47.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 01:51:44,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.54ms. Allocated memory is still 157.3MB. Free memory was 122.7MB in the beginning and 121.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 01:51:44,933 INFO L158 Benchmark]: Boogie Preprocessor took 51.59ms. Allocated memory is still 157.3MB. Free memory was 120.6MB in the beginning and 119.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 01:51:44,933 INFO L158 Benchmark]: RCFGBuilder took 716.68ms. Allocated memory is still 157.3MB. Free memory was 119.0MB in the beginning and 104.9MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 01:51:44,934 INFO L158 Benchmark]: TraceAbstraction took 2511.96ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 69.6MB in the end (delta: 34.7MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2022-11-18 01:51:44,935 INFO L158 Benchmark]: Witness Printer took 82.90ms. Allocated memory is still 157.3MB. Free memory was 69.6MB in the beginning and 127.7MB in the end (delta: -58.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 01:51:44,937 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 822.08ms. Allocated memory was 104.9MB in the beginning and 157.3MB in the end (delta: 52.4MB). Free memory was 75.3MB in the beginning and 122.7MB in the end (delta: -47.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.54ms. Allocated memory is still 157.3MB. Free memory was 122.7MB in the beginning and 121.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.59ms. Allocated memory is still 157.3MB. Free memory was 120.6MB in the beginning and 119.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 716.68ms. Allocated memory is still 157.3MB. Free memory was 119.0MB in the beginning and 104.9MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2511.96ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 69.6MB in the end (delta: 34.7MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. * Witness Printer took 82.90ms. Allocated memory is still 157.3MB. Free memory was 69.6MB in the beginning and 127.7MB in the end (delta: -58.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1741, independent: 1649, independent conditional: 193, independent unconditional: 1456, dependent: 92, dependent conditional: 75, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1670, independent: 1649, independent conditional: 193, independent unconditional: 1456, dependent: 21, dependent conditional: 4, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1670, independent: 1649, independent conditional: 193, independent unconditional: 1456, dependent: 21, dependent conditional: 4, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1676, independent: 1649, independent conditional: 1, independent unconditional: 1648, dependent: 27, dependent conditional: 5, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1676, independent: 1649, independent conditional: 1, independent unconditional: 1648, dependent: 27, dependent conditional: 2, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1676, independent: 1649, independent conditional: 1, independent unconditional: 1648, dependent: 27, dependent conditional: 2, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1112, independent: 1093, independent conditional: 1, independent unconditional: 1092, dependent: 19, dependent conditional: 2, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1112, independent: 1081, independent conditional: 0, independent unconditional: 1081, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 12, independent conditional: 1, independent unconditional: 11, dependent: 19, dependent conditional: 2, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 12, independent conditional: 1, independent unconditional: 11, dependent: 19, dependent conditional: 2, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, independent: 100, independent conditional: 3, independent unconditional: 97, dependent: 121, dependent conditional: 8, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1676, independent: 556, independent conditional: 0, independent unconditional: 556, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 1112, unknown conditional: 3, unknown unconditional: 1109] , Statistics on independence cache: Total cache size (in pairs): 1112, Positive cache size: 1093, Positive conditional cache size: 1, Positive unconditional cache size: 1092, Negative cache size: 19, Negative conditional cache size: 2, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 2, Independence queries for same thread: 71 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 110, Number of trivial persistent sets: 81, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1473, independent: 1456, independent conditional: 0, independent unconditional: 1456, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1741, independent: 1649, independent conditional: 193, independent unconditional: 1456, dependent: 92, dependent conditional: 75, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1670, independent: 1649, independent conditional: 193, independent unconditional: 1456, dependent: 21, dependent conditional: 4, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1670, independent: 1649, independent conditional: 193, independent unconditional: 1456, dependent: 21, dependent conditional: 4, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1676, independent: 1649, independent conditional: 1, independent unconditional: 1648, dependent: 27, dependent conditional: 5, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1676, independent: 1649, independent conditional: 1, independent unconditional: 1648, dependent: 27, dependent conditional: 2, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1676, independent: 1649, independent conditional: 1, independent unconditional: 1648, dependent: 27, dependent conditional: 2, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1112, independent: 1093, independent conditional: 1, independent unconditional: 1092, dependent: 19, dependent conditional: 2, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1112, independent: 1081, independent conditional: 0, independent unconditional: 1081, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 12, independent conditional: 1, independent unconditional: 11, dependent: 19, dependent conditional: 2, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 12, independent conditional: 1, independent unconditional: 11, dependent: 19, dependent conditional: 2, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, independent: 100, independent conditional: 3, independent unconditional: 97, dependent: 121, dependent conditional: 8, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1676, independent: 556, independent conditional: 0, independent unconditional: 556, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 1112, unknown conditional: 3, unknown unconditional: 1109] , Statistics on independence cache: Total cache size (in pairs): 1112, Positive cache size: 1093, Positive conditional cache size: 1, Positive unconditional cache size: 1092, Negative cache size: 19, Negative conditional cache size: 2, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 2, Independence queries for same thread: 71 - CounterExampleResult [Line: 691]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L698] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex2={3:0}] [L697] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={4:0}, mutex2={3:0}] [L696] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={5:0}, mutex1={4:0}, mutex2={3:0}] [L707] 0 pthread_t id; VAL [__global_lock={5:0}, id={7:0}, mutex1={4:0}, mutex2={3:0}] [L708] 0 int i = 0; VAL [__global_lock={5:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={3:0}] [L709] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={5:0}, arg={6:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={3:0}, pthread_create(&id, ((void *)0), t_fun, (void *) &i)=-1] [L700] 1 int *p = (int *) arg; VAL [__global_lock={5:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={3:0}, p={6:0}] [L702] EXPR 1 \read(*p) VAL [\read(*p)=0, __global_lock={5:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={3:0}, p={6:0}] [L702] 1 (*p)++ VAL [(*p)++=0, \read(*p)=0, __global_lock={5:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={3:0}, p={6:0}] [L711] EXPR 0 \read(i) VAL [\read(i)=1, __global_lock={5:0}, arg={6:0}, arg={6:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={3:0}, p={6:0}] [L711] CALL 0 __VERIFIER_assert((i) == 0) [L691] COND TRUE 0 !(cond) VAL [\old(cond)=0, __global_lock={5:0}, arg={6:0}, arg={6:0}, cond=0, mutex1={4:0}, mutex2={3:0}, p={6:0}] [L691] 0 reach_error() VAL [\old(cond)=0, __global_lock={5:0}, arg={6:0}, arg={6:0}, cond=0, mutex1={4:0}, mutex2={3:0}, p={6:0}] - UnprovableResult [Line: 709]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 129 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-18 01:51:44,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 01:51:45,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb3743dd-832b-4406-8a8c-37686ef451e7/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE