./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_17-arrayloop_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/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_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_17-arrayloop_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k --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 b29c7049a333b10d890b8afae901738020ed1f084c2a7d471b316f0abdba3430 --- 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 01:48:11,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 01:48:11,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 01:48:11,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 01:48:11,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 01:48:11,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 01:48:11,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 01:48:11,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 01:48:11,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 01:48:11,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 01:48:11,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 01:48:11,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 01:48:11,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 01:48:11,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 01:48:11,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 01:48:11,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 01:48:11,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 01:48:11,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 01:48:11,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 01:48:11,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 01:48:11,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 01:48:11,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 01:48:11,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 01:48:11,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 01:48:11,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 01:48:11,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 01:48:11,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 01:48:11,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 01:48:11,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 01:48:11,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 01:48:11,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 01:48:11,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 01:48:11,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 01:48:11,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 01:48:11,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 01:48:11,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 01:48:11,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 01:48:11,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 01:48:11,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 01:48:11,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 01:48:11,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 01:48:11,855 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-11-18 01:48:11,894 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 01:48:11,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 01:48:11,898 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 01:48:11,898 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 01:48:11,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 01:48:11,899 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 01:48:11,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 01:48:11,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 01:48:11,901 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 01:48:11,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 01:48:11,902 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 01:48:11,902 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 01:48:11,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 01:48:11,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 01:48:11,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 01:48:11,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 01:48:11,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 01:48:11,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 01:48:11,904 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 01:48:11,904 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 01:48:11,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 01:48:11,904 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 01:48:11,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 01:48:11,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 01:48:11,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 01:48:11,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-18 01:48:11,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 01:48:11,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:48:11,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 01:48:11,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 01:48:11,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 01:48:11,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 01:48:11,908 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-11-18 01:48:11,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 01:48:11,909 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 01:48:11,909 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-18 01:48:11,909 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 01:48:11,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 01:48:11,910 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 01:48:11,910 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 01:48:11,910 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_59b44183-5060-4de9-adcc-ccc4a6cd97b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b29c7049a333b10d890b8afae901738020ed1f084c2a7d471b316f0abdba3430 [2022-11-18 01:48:12,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 01:48:12,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 01:48:12,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 01:48:12,299 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 01:48:12,300 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 01:48:12,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/../../sv-benchmarks/c/goblint-regression/09-regions_17-arrayloop_nr.i [2022-11-18 01:48:12,378 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/data/64fc25c3b/7a7f05c05e8a414088c90204701a5fd6/FLAG02499f714 [2022-11-18 01:48:12,983 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 01:48:12,984 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/sv-benchmarks/c/goblint-regression/09-regions_17-arrayloop_nr.i [2022-11-18 01:48:13,012 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/data/64fc25c3b/7a7f05c05e8a414088c90204701a5fd6/FLAG02499f714 [2022-11-18 01:48:13,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/data/64fc25c3b/7a7f05c05e8a414088c90204701a5fd6 [2022-11-18 01:48:13,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 01:48:13,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 01:48:13,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 01:48:13,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 01:48:13,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 01:48:13,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:48:13" (1/1) ... [2022-11-18 01:48:13,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41504dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:13, skipping insertion in model container [2022-11-18 01:48:13,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:48:13" (1/1) ... [2022-11-18 01:48:13,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 01:48:13,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:48:14,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:48:14,181 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 01:48:14,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:48:14,351 INFO L208 MainTranslator]: Completed translation [2022-11-18 01:48:14,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:14 WrapperNode [2022-11-18 01:48:14,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 01:48:14,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 01:48:14,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 01:48:14,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 01:48:14,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:14" (1/1) ... [2022-11-18 01:48:14,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:14" (1/1) ... [2022-11-18 01:48:14,461 INFO L138 Inliner]: procedures = 368, calls = 28, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 232 [2022-11-18 01:48:14,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 01:48:14,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 01:48:14,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 01:48:14,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 01:48:14,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:14" (1/1) ... [2022-11-18 01:48:14,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:14" (1/1) ... [2022-11-18 01:48:14,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:14" (1/1) ... [2022-11-18 01:48:14,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:14" (1/1) ... [2022-11-18 01:48:14,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:14" (1/1) ... [2022-11-18 01:48:14,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:14" (1/1) ... [2022-11-18 01:48:14,549 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:14" (1/1) ... [2022-11-18 01:48:14,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:14" (1/1) ... [2022-11-18 01:48:14,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 01:48:14,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 01:48:14,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 01:48:14,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 01:48:14,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:14" (1/1) ... [2022-11-18 01:48:14,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:48:14,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:48:14,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 01:48:14,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 01:48:14,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 01:48:14,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 01:48:14,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 01:48:14,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 01:48:14,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 01:48:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 01:48:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 01:48:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 01:48:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 01:48:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-18 01:48:14,666 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-18 01:48:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 01:48:14,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 01:48:14,668 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 01:48:14,866 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 01:48:14,868 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 01:48:15,479 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 01:48:15,489 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 01:48:15,489 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 01:48:15,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:48:15 BoogieIcfgContainer [2022-11-18 01:48:15,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 01:48:15,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 01:48:15,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 01:48:15,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 01:48:15,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:48:13" (1/3) ... [2022-11-18 01:48:15,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce14116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:48:15, skipping insertion in model container [2022-11-18 01:48:15,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:48:14" (2/3) ... [2022-11-18 01:48:15,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce14116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:48:15, skipping insertion in model container [2022-11-18 01:48:15,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:48:15" (3/3) ... [2022-11-18 01:48:15,505 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_17-arrayloop_nr.i [2022-11-18 01:48:15,515 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 01:48:15,527 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 01:48:15,527 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-18 01:48:15,527 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 01:48:15,698 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 01:48:15,772 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:48:15,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-18 01:48:15,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:48:15,779 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-18 01:48:15,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-18 01:48:15,837 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-18 01:48:15,850 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-11-18 01:48:15,857 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;@39ba8d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:48:15,858 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-18 01:48:16,234 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-11-18 01:48:16,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:16,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1555674678, now seen corresponding path program 1 times [2022-11-18 01:48:16,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:48:16,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518527544] [2022-11-18 01:48:16,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:16,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:16,490 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 01:48:16,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:48:16,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518527544] [2022-11-18 01:48:16,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518527544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:48:16,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:48:16,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 01:48:16,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577198626] [2022-11-18 01:48:16,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:48:16,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 01:48:16,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:48:16,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 01:48:16,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 01:48:16,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:16,528 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:16,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 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 01:48:16,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:16,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 01:48:16,558 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-11-18 01:48:16,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:16,559 INFO L85 PathProgramCache]: Analyzing trace with hash -855999116, now seen corresponding path program 1 times [2022-11-18 01:48:16,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:48:16,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134652244] [2022-11-18 01:48:16,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:16,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:16,783 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 01:48:16,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:48:16,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134652244] [2022-11-18 01:48:16,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134652244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:48:16,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:48:16,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 01:48:16,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83609572] [2022-11-18 01:48:16,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:48:16,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:48:16,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:48:16,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:48:16,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 01:48:16,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:16,789 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:16,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 01:48:16,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:16,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:16,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:16,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:16,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 01:48:16,943 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-11-18 01:48:16,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:16,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1327696006, now seen corresponding path program 1 times [2022-11-18 01:48:16,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:48:16,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983690366] [2022-11-18 01:48:16,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:16,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:17,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:48:17,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:48:17,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983690366] [2022-11-18 01:48:17,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983690366] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:48:17,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731994082] [2022-11-18 01:48:17,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:17,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:48:17,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:48:17,369 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:48:17,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 01:48:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:17,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 01:48:17,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:48:17,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:48:17,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:48:17,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:48:17,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731994082] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:48:17,838 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:48:17,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-18 01:48:17,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985106645] [2022-11-18 01:48:17,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:48:17,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 01:48:17,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:48:17,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 01:48:17,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-18 01:48:17,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:17,843 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:17,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.9) internal successors, (189), 10 states have internal predecessors, (189), 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 01:48:17,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:17,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:17,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:18,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:18,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:18,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:18,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 01:48:18,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:48:18,348 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-11-18 01:48:18,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:18,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1878875174, now seen corresponding path program 2 times [2022-11-18 01:48:18,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:48:18,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319172579] [2022-11-18 01:48:18,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:18,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:18,949 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:48:18,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:48:18,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319172579] [2022-11-18 01:48:18,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319172579] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:48:18,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428390030] [2022-11-18 01:48:18,950 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:48:18,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:48:18,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:48:18,952 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:48:18,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 01:48:19,188 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 01:48:19,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:48:19,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 01:48:19,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:48:19,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-18 01:48:19,635 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-18 01:48:19,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:48:19,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428390030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:48:19,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 01:48:19,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2022-11-18 01:48:19,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478474676] [2022-11-18 01:48:19,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:48:19,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 01:48:19,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:48:19,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 01:48:19,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-11-18 01:48:19,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:19,641 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:19,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 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 01:48:19,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:19,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:19,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:19,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:19,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:19,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:19,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:19,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:19,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 01:48:19,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:48:19,995 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-11-18 01:48:19,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:19,995 INFO L85 PathProgramCache]: Analyzing trace with hash -2027475744, now seen corresponding path program 1 times [2022-11-18 01:48:19,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:48:19,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390354770] [2022-11-18 01:48:19,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:19,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:20,475 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:48:20,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:48:20,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390354770] [2022-11-18 01:48:20,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390354770] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:48:20,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538061765] [2022-11-18 01:48:20,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:20,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:48:20,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:48:20,481 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:48:20,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 01:48:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:20,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 01:48:20,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:48:20,976 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:48:20,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:48:21,257 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:48:21,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538061765] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:48:21,258 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:48:21,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-11-18 01:48:21,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895959978] [2022-11-18 01:48:21,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:48:21,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-18 01:48:21,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:48:21,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-18 01:48:21,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-11-18 01:48:21,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:21,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:21,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 18.72222222222222) internal successors, (337), 18 states have internal predecessors, (337), 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 01:48:21,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:21,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:21,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:21,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:21,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:21,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:21,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 01:48:21,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:48:21,832 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-11-18 01:48:21,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:21,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1181876832, now seen corresponding path program 2 times [2022-11-18 01:48:21,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:48:21,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969426689] [2022-11-18 01:48:21,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:21,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:23,170 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:48:23,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:48:23,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969426689] [2022-11-18 01:48:23,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969426689] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:48:23,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202294251] [2022-11-18 01:48:23,172 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 01:48:23,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:48:23,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:48:23,176 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:48:23,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 01:48:23,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 01:48:23,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 01:48:23,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-18 01:48:23,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:48:23,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-18 01:48:23,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:48:23,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-18 01:48:23,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:48:23,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:48:23,606 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:48:23,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-18 01:48:23,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:48:23,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:48:23,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:48:23,661 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 01:48:23,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-11-18 01:48:23,705 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2022-11-18 01:48:23,705 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 01:48:23,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202294251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:48:23,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 01:48:23,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 23 [2022-11-18 01:48:23,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548133590] [2022-11-18 01:48:23,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:48:23,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 01:48:23,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:48:23,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 01:48:23,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2022-11-18 01:48:23,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:23,716 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:23,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 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 01:48:23,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:23,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:23,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:23,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:23,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:23,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:23,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:23,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:23,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:23,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:23,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:23,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:23,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 01:48:24,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:48:24,155 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-11-18 01:48:24,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:24,156 INFO L85 PathProgramCache]: Analyzing trace with hash 284446373, now seen corresponding path program 1 times [2022-11-18 01:48:24,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:48:24,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649706165] [2022-11-18 01:48:24,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:24,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:48:25,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:48:25,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649706165] [2022-11-18 01:48:25,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649706165] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:48:25,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5250411] [2022-11-18 01:48:25,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:25,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:48:25,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:48:25,393 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:48:25,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 01:48:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:25,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 1297 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 01:48:25,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:48:26,411 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:48:26,411 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 01:48:27,089 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:48:27,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5250411] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 01:48:27,090 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 01:48:27,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-11-18 01:48:27,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170136782] [2022-11-18 01:48:27,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 01:48:27,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-18 01:48:27,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:48:27,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-18 01:48:27,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-11-18 01:48:27,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:27,097 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:27,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 20.347826086956523) internal successors, (468), 23 states have internal predecessors, (468), 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 01:48:27,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:27,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:27,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:27,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:27,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:27,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:27,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:27,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:27,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:27,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:27,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:27,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:27,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:27,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:48:27,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 01:48:27,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-18 01:48:27,851 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-11-18 01:48:27,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:27,852 INFO L85 PathProgramCache]: Analyzing trace with hash 801675568, now seen corresponding path program 2 times [2022-11-18 01:48:27,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:48:27,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360129848] [2022-11-18 01:48:27,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:27,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2022-11-18 01:48:30,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:48:30,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360129848] [2022-11-18 01:48:30,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360129848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:48:30,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:48:30,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 01:48:30,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930206582] [2022-11-18 01:48:30,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:48:30,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 01:48:30,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:48:30,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 01:48:30,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 01:48:30,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:30,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:30,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 01:48:30,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:30,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:30,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:30,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:30,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:30,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:30,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:48:30,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:30,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:30,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:30,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:30,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:30,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:30,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:30,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:48:30,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:30,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 01:48:30,343 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-11-18 01:48:30,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:30,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1282203114, now seen corresponding path program 1 times [2022-11-18 01:48:30,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:48:30,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413232035] [2022-11-18 01:48:30,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:30,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:32,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2022-11-18 01:48:32,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:48:32,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413232035] [2022-11-18 01:48:32,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413232035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:48:32,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:48:32,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 01:48:32,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780411372] [2022-11-18 01:48:32,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:48:32,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 01:48:32,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:48:32,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 01:48:32,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 01:48:32,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:32,224 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:32,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 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 01:48:32,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:32,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:32,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:32,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:32,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:32,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:48:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:32,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:32,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:32,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:32,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:32,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:32,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:48:32,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:32,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:32,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 01:48:32,432 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-11-18 01:48:32,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:32,433 INFO L85 PathProgramCache]: Analyzing trace with hash 908030870, now seen corresponding path program 1 times [2022-11-18 01:48:32,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:48:32,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627284238] [2022-11-18 01:48:32,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:32,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:34,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2022-11-18 01:48:34,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:48:34,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627284238] [2022-11-18 01:48:34,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627284238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:48:34,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:48:34,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 01:48:34,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121409967] [2022-11-18 01:48:34,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:48:34,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 01:48:34,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:48:34,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 01:48:34,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 01:48:34,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:34,328 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:34,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 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 01:48:34,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:34,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:34,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:34,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:34,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:34,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:34,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:48:34,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:34,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:34,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:34,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:34,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:48:34,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:34,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:34,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:34,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 01:48:34,526 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-11-18 01:48:34,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:34,527 INFO L85 PathProgramCache]: Analyzing trace with hash -850241727, now seen corresponding path program 1 times [2022-11-18 01:48:34,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:48:34,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976242525] [2022-11-18 01:48:34,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:34,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:36,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2022-11-18 01:48:36,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:48:36,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976242525] [2022-11-18 01:48:36,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976242525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:48:36,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:48:36,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 01:48:36,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21290189] [2022-11-18 01:48:36,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:48:36,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 01:48:36,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:48:36,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 01:48:36,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 01:48:36,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:36,464 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:36,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 6 states have internal predecessors, (127), 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 01:48:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:36,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:36,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:36,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:48:36,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:36,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:36,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:36,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:36,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:36,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:36,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:36,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:36,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:36,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:48:36,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:36,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:36,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:36,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:36,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 01:48:36,677 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-11-18 01:48:36,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:36,677 INFO L85 PathProgramCache]: Analyzing trace with hash 757050438, now seen corresponding path program 1 times [2022-11-18 01:48:36,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:48:36,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171697991] [2022-11-18 01:48:36,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:36,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:38,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2022-11-18 01:48:38,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:48:38,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171697991] [2022-11-18 01:48:38,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171697991] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:48:38,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:48:38,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 01:48:38,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113259544] [2022-11-18 01:48:38,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:48:38,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 01:48:38,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:48:38,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 01:48:38,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 01:48:38,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:38,276 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:38,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 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 01:48:38,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:38,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:38,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:38,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:38,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:38,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:38,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:48:38,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:38,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:38,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:38,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:38,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:48:38,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:38,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:38,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:48:38,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:38,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:38,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:38,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:38,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:38,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 01:48:38,666 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-11-18 01:48:38,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:38,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1639050845, now seen corresponding path program 1 times [2022-11-18 01:48:38,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:48:38,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410933077] [2022-11-18 01:48:38,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:38,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:48:41,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1873 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1859 trivial. 0 not checked. [2022-11-18 01:48:41,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:48:41,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410933077] [2022-11-18 01:48:41,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410933077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:48:41,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:48:41,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 01:48:41,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398256804] [2022-11-18 01:48:41,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:48:41,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 01:48:41,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:48:41,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 01:48:41,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-18 01:48:41,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:41,099 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:48:41,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.8) internal successors, (178), 11 states have internal predecessors, (178), 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 01:48:41,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:41,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:41,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:41,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:48:41,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:41,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:41,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:48:41,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:41,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:41,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:41,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:41,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:48:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:48:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 01:48:42,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 01:48:42,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 01:48:42,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 01:48:42,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:42,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:42,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:42,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:42,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 01:48:42,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 01:48:42,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 01:48:42,347 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-11-18 01:48:42,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:48:42,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1510660467, now seen corresponding path program 1 times [2022-11-18 01:48:42,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:48:42,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527646874] [2022-11-18 01:48:42,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:48:42,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:48:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:50:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1911 backedges. 218 proven. 1693 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:50:22,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:50:22,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527646874] [2022-11-18 01:50:22,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527646874] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 01:50:22,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327152258] [2022-11-18 01:50:22,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:50:22,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 01:50:22,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:50:22,766 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 01:50:22,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b44183-5060-4de9-adcc-ccc4a6cd97b8/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 01:50:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:50:24,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 2435 conjuncts, 249 conjunts are in the unsatisfiable core [2022-11-18 01:50:24,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 01:50:25,207 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-18 01:50:25,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-18 01:50:25,627 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-18 01:50:25,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-18 01:50:26,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-18 01:50:27,454 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-18 01:50:27,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 01:50:27,849 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-18 01:50:27,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 26 [2022-11-18 01:50:27,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2022-11-18 01:50:28,362 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-18 01:50:28,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 30 [2022-11-18 01:50:29,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2022-11-18 01:50:30,478 INFO L321 Elim1Store]: treesize reduction 68, result has 31.3 percent of original size [2022-11-18 01:50:30,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 28 treesize of output 45 [2022-11-18 01:50:31,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2022-11-18 01:50:31,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2022-11-18 01:50:32,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:50:32,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:50:32,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:50:32,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 45 [2022-11-18 01:50:34,685 INFO L321 Elim1Store]: treesize reduction 86, result has 31.7 percent of original size [2022-11-18 01:50:34,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 33 treesize of output 57 [2022-11-18 01:50:35,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 50 [2022-11-18 01:50:36,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 50 [2022-11-18 01:50:38,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:50:38,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:50:38,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:50:38,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 49 [2022-11-18 01:50:41,974 INFO L321 Elim1Store]: treesize reduction 104, result has 32.0 percent of original size [2022-11-18 01:50:41,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 38 treesize of output 69 [2022-11-18 01:50:43,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 58 [2022-11-18 01:50:44,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 58 [2022-11-18 01:50:45,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:50:45,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:50:45,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:50:45,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 53 [2022-11-18 01:50:48,759 INFO L321 Elim1Store]: treesize reduction 122, result has 32.2 percent of original size [2022-11-18 01:50:48,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 43 treesize of output 81 [2022-11-18 01:50:50,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 66 [2022-11-18 01:50:51,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 66 [2022-11-18 01:50:55,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:50:55,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:50:55,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:50:55,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 57 [2022-11-18 01:50:59,916 INFO L321 Elim1Store]: treesize reduction 140, result has 32.4 percent of original size [2022-11-18 01:50:59,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 48 treesize of output 93 [2022-11-18 01:51:01,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 74 [2022-11-18 01:51:03,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 74 [2022-11-18 01:51:07,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:51:07,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:51:07,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:51:07,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 61 [2022-11-18 01:51:13,410 INFO L321 Elim1Store]: treesize reduction 158, result has 32.5 percent of original size [2022-11-18 01:51:13,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 53 treesize of output 105 [2022-11-18 01:51:15,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 82 [2022-11-18 01:51:19,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 82 [2022-11-18 01:51:24,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:51:24,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:51:24,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:51:24,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 65 [2022-11-18 01:51:32,923 INFO L321 Elim1Store]: treesize reduction 176, result has 32.6 percent of original size [2022-11-18 01:51:32,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 27 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 17 case distinctions, treesize of input 58 treesize of output 117 [2022-11-18 01:51:36,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 90 [2022-11-18 01:51:40,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 90 [2022-11-18 01:51:55,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:51:55,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:51:55,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:51:55,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 69 [2022-11-18 01:52:08,961 INFO L321 Elim1Store]: treesize reduction 194, result has 32.6 percent of original size [2022-11-18 01:52:08,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 35 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 63 treesize of output 129 [2022-11-18 01:52:27,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 98 [2022-11-18 01:52:31,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 98 [2022-11-18 01:52:53,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:52:53,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:52:53,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:52:53,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 69 [2022-11-18 01:53:43,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 90 [2022-11-18 01:54:29,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-18 01:54:32,696 INFO L321 Elim1Store]: treesize reduction 194, result has 32.6 percent of original size [2022-11-18 01:54:32,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 35 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 63 treesize of output 129 [2022-11-18 01:55:00,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 98 [2022-11-18 01:55:05,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 98 [2022-11-18 01:56:41,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-18 01:56:41,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 01:56:41,049 INFO L321 Elim1Store]: treesize reduction 44, result has 49.4 percent of original size [2022-11-18 01:56:41,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 139 treesize of output 100 [2022-11-18 01:57:06,495 WARN L233 SmtUtils]: Spent 11.79s on a formula simplification that was a NOOP. DAG size: 172 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:57:16,902 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-18 01:57:16,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 723 treesize of output 697 [2022-11-18 01:57:18,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-18 01:57:18,759 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-18 01:58:27,611 WARN L233 SmtUtils]: Spent 49.41s on a formula simplification that was a NOOP. DAG size: 383 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 01:58:52,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-18 02:00:06,567 WARN L233 SmtUtils]: Spent 53.71s on a formula simplification that was a NOOP. DAG size: 375 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 02:01:33,667 WARN L233 SmtUtils]: Spent 1.17m on a formula simplification that was a NOOP. DAG size: 371 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)