./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --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 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:45:44,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:45:44,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:45:44,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:45:44,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:45:44,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:45:44,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:45:44,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:45:44,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:45:44,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:45:44,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:45:44,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:45:44,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:45:44,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:45:44,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:45:44,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:45:44,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:45:44,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:45:44,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:45:44,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:45:44,854 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:45:44,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:45:44,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:45:44,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:45:44,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:45:44,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:45:44,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:45:44,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:45:44,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:45:44,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:45:44,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:45:44,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:45:44,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:45:44,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:45:44,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:45:44,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:45:44,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:45:44,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:45:44,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:45:44,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:45:44,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:45:44,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:45:44,872 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-04-18 16:45:44,895 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:45:44,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:45:44,896 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:45:44,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:45:44,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:45:44,897 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:45:44,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:45:44,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:45:44,898 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:45:44,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:45:44,898 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:45:44,899 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:45:44,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:45:44,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:45:44,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:45:44,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:45:44,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:45:44,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:45:44,900 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:45:44,901 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:45:44,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:45:44,901 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:45:44,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:45:44,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:45:44,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:45:44,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-18 16:45:44,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:45:44,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:45:44,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:45:44,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:45:44,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:45:44,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:45:44,903 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 16:45:44,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:45:44,903 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:45:44,903 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 16:45:44,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:45:44,904 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 16:45:44,904 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 16:45:44,904 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:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472 [2022-04-18 16:45:45,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:45:45,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:45:45,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:45:45,098 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:45:45,098 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:45:45,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2022-04-18 16:45:45,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7a9bff28b/a036a0ff83e3422e90254d57ba870157/FLAGbb3831863 [2022-04-18 16:45:45,548 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:45:45,548 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2022-04-18 16:45:45,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7a9bff28b/a036a0ff83e3422e90254d57ba870157/FLAGbb3831863 [2022-04-18 16:45:45,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7a9bff28b/a036a0ff83e3422e90254d57ba870157 [2022-04-18 16:45:45,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:45:45,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:45:45,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:45:45,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:45:45,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:45:45,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:45:45" (1/1) ... [2022-04-18 16:45:45,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45bd9a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:45, skipping insertion in model container [2022-04-18 16:45:45,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:45:45" (1/1) ... [2022-04-18 16:45:45,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:45:45,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:45:45,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] [2022-04-18 16:45:45,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:45:45,869 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:45:45,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] [2022-04-18 16:45:45,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:45:45,939 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:45:45,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:45 WrapperNode [2022-04-18 16:45:45,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:45:45,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:45:45,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:45:45,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:45:45,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:45" (1/1) ... [2022-04-18 16:45:45,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:45" (1/1) ... [2022-04-18 16:45:46,004 INFO L137 Inliner]: procedures = 165, calls = 35, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 174 [2022-04-18 16:45:46,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:45:46,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:45:46,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:45:46,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:45:46,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:45" (1/1) ... [2022-04-18 16:45:46,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:45" (1/1) ... [2022-04-18 16:45:46,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:45" (1/1) ... [2022-04-18 16:45:46,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:45" (1/1) ... [2022-04-18 16:45:46,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:45" (1/1) ... [2022-04-18 16:45:46,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:45" (1/1) ... [2022-04-18 16:45:46,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:45" (1/1) ... [2022-04-18 16:45:46,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:45:46,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:45:46,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:45:46,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:45:46,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:45" (1/1) ... [2022-04-18 16:45:46,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:45:46,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:45:46,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 16:45:46,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 16:45:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 16:45:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2022-04-18 16:45:46,086 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2022-04-18 16:45:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:45:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-04-18 16:45:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:45:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:45:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:45:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:45:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:45:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:45:46,088 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 16:45:46,193 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:45:46,194 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:45:46,556 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:45:46,566 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:45:46,566 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-04-18 16:45:46,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:45:46 BoogieIcfgContainer [2022-04-18 16:45:46,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:45:46,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:45:46,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:45:46,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:45:46,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:45:45" (1/3) ... [2022-04-18 16:45:46,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@290cc5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:45:46, skipping insertion in model container [2022-04-18 16:45:46,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:45" (2/3) ... [2022-04-18 16:45:46,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@290cc5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:45:46, skipping insertion in model container [2022-04-18 16:45:46,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:45:46" (3/3) ... [2022-04-18 16:45:46,610 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2022-04-18 16:45:46,618 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:45:46,618 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:45:46,618 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-04-18 16:45:46,618 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:45:46,687 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 16:45:46,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 16:45:46,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:45:46,740 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-04-18 16:45:46,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-04-18 16:45:46,784 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == workerThread1of1ForFork0 ======== [2022-04-18 16:45:46,791 INFO L340 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 [2022-04-18 16:45:46,791 INFO L341 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-04-18 16:45:46,866 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting workerErr2ASSERT_VIOLATIONDATA_RACE === [workerErr0ASSERT_VIOLATIONDATA_RACE, workerErr2ASSERT_VIOLATIONDATA_RACE, workerErr1ASSERT_VIOLATIONDATA_RACE, workerErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:45:46,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:46,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1833905241, now seen corresponding path program 1 times [2022-04-18 16:45:46,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:46,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115634056] [2022-04-18 16:45:46,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:46,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:47,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:45:47,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:47,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115634056] [2022-04-18 16:45:47,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115634056] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:47,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:47,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:45:47,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72523807] [2022-04-18 16:45:47,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:47,211 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 16:45:47,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:47,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 16:45:47,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 16:45:47,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,234 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:47,235 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:45:47,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,282 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:45:47,282 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [workerErr0ASSERT_VIOLATIONDATA_RACE, workerErr2ASSERT_VIOLATIONDATA_RACE, workerErr1ASSERT_VIOLATIONDATA_RACE, workerErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:45:47,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:47,284 INFO L85 PathProgramCache]: Analyzing trace with hash -617182865, now seen corresponding path program 1 times [2022-04-18 16:45:47,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:47,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961910436] [2022-04-18 16:45:47,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:47,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:47,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:45:47,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:47,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961910436] [2022-04-18 16:45:47,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961910436] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:47,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:47,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:45:47,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849245555] [2022-04-18 16:45:47,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:47,602 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:45:47,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:47,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:45:47,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:45:47,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,604 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:47,604 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 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) [2022-04-18 16:45:47,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:47,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:47,815 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:45:47,816 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [workerErr0ASSERT_VIOLATIONDATA_RACE, workerErr2ASSERT_VIOLATIONDATA_RACE, workerErr1ASSERT_VIOLATIONDATA_RACE, workerErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:45:47,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:47,816 INFO L85 PathProgramCache]: Analyzing trace with hash -514323505, now seen corresponding path program 1 times [2022-04-18 16:45:47,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:47,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154394512] [2022-04-18 16:45:47,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:47,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:48,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:45:48,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:48,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154394512] [2022-04-18 16:45:48,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154394512] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:48,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:48,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:45:48,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23924994] [2022-04-18 16:45:48,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:48,057 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:45:48,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:48,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:45:48,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:45:48,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:48,059 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:48,059 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 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) [2022-04-18 16:45:48,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:48,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:48,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:48,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:48,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:48,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:48,820 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:45:48,820 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [workerErr0ASSERT_VIOLATIONDATA_RACE, workerErr2ASSERT_VIOLATIONDATA_RACE, workerErr1ASSERT_VIOLATIONDATA_RACE, workerErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:45:48,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:48,821 INFO L85 PathProgramCache]: Analyzing trace with hash -712229085, now seen corresponding path program 1 times [2022-04-18 16:45:48,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:48,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909569661] [2022-04-18 16:45:48,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:48,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:49,149 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 16:45:49,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:49,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909569661] [2022-04-18 16:45:49,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909569661] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 16:45:49,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54137542] [2022-04-18 16:45:49,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:49,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 16:45:49,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:45:49,155 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 16:45:49,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-18 16:45:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:49,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 39 conjunts are in the unsatisfiable core [2022-04-18 16:45:49,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 16:45:50,503 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-04-18 16:45:50,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-04-18 16:45:50,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 16:45:50,581 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-04-18 16:45:50,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 16:45:50,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 16:45:50,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 16:45:50,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-04-18 16:45:50,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 16:45:50,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 16:45:50,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 16:45:50,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 16:45:50,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 16:45:50,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-18 16:45:50,684 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 39 treesize of output 44 [2022-04-18 16:45:50,725 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 16:45:50,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 16:45:51,395 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 16:45:51,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54137542] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-18 16:45:51,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-04-18 16:45:51,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11, 11] total 30 [2022-04-18 16:45:51,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783844681] [2022-04-18 16:45:51,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:51,397 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-18 16:45:51,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:51,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-18 16:45:51,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2022-04-18 16:45:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:51,398 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:51,398 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 19.9) internal successors, (199), 11 states have internal predecessors, (199), 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) [2022-04-18 16:45:51,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:51,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:51,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:51,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:52,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:52,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:52,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:52,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-18 16:45:52,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-18 16:45:52,419 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 16:45:52,420 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [workerErr0ASSERT_VIOLATIONDATA_RACE, workerErr2ASSERT_VIOLATIONDATA_RACE, workerErr1ASSERT_VIOLATIONDATA_RACE, workerErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:45:52,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:52,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1181708130, now seen corresponding path program 1 times [2022-04-18 16:45:52,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:52,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370795577] [2022-04-18 16:45:52,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:52,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:53,031 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-04-18 16:45:53,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:53,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370795577] [2022-04-18 16:45:53,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370795577] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:53,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:53,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-04-18 16:45:53,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505739775] [2022-04-18 16:45:53,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:53,033 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-04-18 16:45:53,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:53,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-04-18 16:45:53,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2022-04-18 16:45:53,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:53,034 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:53,035 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.722222222222221) internal successors, (193), 18 states have internal predecessors, (193), 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) [2022-04-18 16:45:53,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:53,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:53,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:53,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-04-18 16:45:53,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:53,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:53,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:53,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:53,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-18 16:45:53,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 16:45:53,786 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 16:45:53,786 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [workerErr0ASSERT_VIOLATIONDATA_RACE, workerErr2ASSERT_VIOLATIONDATA_RACE, workerErr1ASSERT_VIOLATIONDATA_RACE, workerErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:45:53,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:53,786 INFO L85 PathProgramCache]: Analyzing trace with hash 874412810, now seen corresponding path program 1 times [2022-04-18 16:45:53,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:53,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363971898] [2022-04-18 16:45:53,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:53,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:54,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-04-18 16:45:54,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:54,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363971898] [2022-04-18 16:45:54,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363971898] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 16:45:54,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316253432] [2022-04-18 16:45:54,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:54,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 16:45:54,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:45:54,132 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 16:45:54,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-18 16:45:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:54,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 24 conjunts are in the unsatisfiable core [2022-04-18 16:45:54,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 16:45:54,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-04-18 16:45:54,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-04-18 16:45:54,533 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-18 16:45:54,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316253432] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:54,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-18 16:45:54,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 18 [2022-04-18 16:45:54,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818608912] [2022-04-18 16:45:54,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:54,538 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-18 16:45:54,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:54,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-18 16:45:54,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-04-18 16:45:54,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:54,539 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:54,539 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 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) [2022-04-18 16:45:54,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:54,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:54,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:54,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-04-18 16:45:54,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 16:45:54,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 16:45:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-18 16:45:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-18 16:45:55,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-04-18 16:45:55,695 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 16:45:55,696 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [workerErr0ASSERT_VIOLATIONDATA_RACE, workerErr2ASSERT_VIOLATIONDATA_RACE, workerErr1ASSERT_VIOLATIONDATA_RACE, workerErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:45:55,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:55,696 INFO L85 PathProgramCache]: Analyzing trace with hash 48755682, now seen corresponding path program 1 times [2022-04-18 16:45:55,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:55,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930175065] [2022-04-18 16:45:55,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:55,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:56,055 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 65 proven. 56 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-04-18 16:45:56,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:56,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930175065] [2022-04-18 16:45:56,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930175065] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 16:45:56,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082647046] [2022-04-18 16:45:56,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:56,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 16:45:56,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:45:56,058 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 16:45:56,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-18 16:45:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:56,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 64 conjunts are in the unsatisfiable core [2022-04-18 16:45:56,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 16:45:56,391 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 16:45:56,391 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-04-18 16:45:56,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-04-18 16:45:56,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-04-18 16:45:57,116 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-04-18 16:45:57,827 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-04-18 16:45:57,981 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-04-18 16:45:58,048 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 96 proven. 39 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 16:45:58,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 16:46:44,457 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1088 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_1088) |c_~#pqb~0.base|) |c_~#pqb~0.offset|) 0)) is different from false [2022-04-18 16:46:44,534 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 16:46:44,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-04-18 16:46:44,549 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 16:46:44,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2022-04-18 16:46:44,556 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-04-18 16:46:44,969 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-04-18 16:46:44,970 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-04-18 16:46:45,060 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 96 proven. 39 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 16:46:45,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082647046] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 16:46:45,061 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 16:46:45,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 22, 21] total 50 [2022-04-18 16:46:45,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071182754] [2022-04-18 16:46:45,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 16:46:45,062 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-04-18 16:46:45,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:46:45,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-04-18 16:46:45,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=2082, Unknown=20, NotChecked=94, Total=2450 [2022-04-18 16:46:45,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:46:45,063 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:46:45,063 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 13.88) internal successors, (694), 50 states have internal predecessors, (694), 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) [2022-04-18 16:46:45,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:46:45,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:46:45,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:46:45,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 16:46:45,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-04-18 16:46:45,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-04-18 16:46:45,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:46:50,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:46:50,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:46:50,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:46:50,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 16:46:50,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 16:46:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-18 16:46:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-04-18 16:46:50,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-18 16:46:51,081 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 16:46:51,081 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting workerErr3ASSERT_VIOLATIONDATA_RACE === [workerErr0ASSERT_VIOLATIONDATA_RACE, workerErr2ASSERT_VIOLATIONDATA_RACE, workerErr1ASSERT_VIOLATIONDATA_RACE, workerErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:46:51,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:46:51,082 INFO L85 PathProgramCache]: Analyzing trace with hash -19046675, now seen corresponding path program 1 times [2022-04-18 16:46:51,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:46:51,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491901894] [2022-04-18 16:46:51,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:46:51,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:46:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:46:51,343 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-04-18 16:46:51,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:46:51,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491901894] [2022-04-18 16:46:51,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491901894] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:46:51,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:46:51,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-18 16:46:51,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844670853] [2022-04-18 16:46:51,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:46:51,344 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-18 16:46:51,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:46:51,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-18 16:46:51,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-18 16:46:51,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:46:51,345 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:46:51,345 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 34.142857142857146) internal successors, (239), 7 states have internal predecessors, (239), 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) [2022-04-18 16:46:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:46:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:46:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:46:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 16:46:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 16:46:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-04-18 16:46:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-04-18 16:46:51,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:46:52,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:46:52,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:46:52,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:46:52,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 16:46:52,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 16:46:52,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-18 16:46:52,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-04-18 16:46:52,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-18 16:46:52,073 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 16:46:52,073 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [workerErr0ASSERT_VIOLATIONDATA_RACE, workerErr2ASSERT_VIOLATIONDATA_RACE, workerErr1ASSERT_VIOLATIONDATA_RACE, workerErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:46:52,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:46:52,074 INFO L85 PathProgramCache]: Analyzing trace with hash 962323100, now seen corresponding path program 1 times [2022-04-18 16:46:52,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:46:52,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648594781] [2022-04-18 16:46:52,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:46:52,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:46:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:46:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 78 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:46:52,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:46:52,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648594781] [2022-04-18 16:46:52,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648594781] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 16:46:52,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393117288] [2022-04-18 16:46:52,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:46:52,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 16:46:52,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:46:52,972 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 16:46:52,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-18 16:46:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:46:53,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 849 conjuncts, 42 conjunts are in the unsatisfiable core [2022-04-18 16:46:53,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 16:46:55,812 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-04-18 16:46:57,190 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-04-18 16:46:57,630 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-04-18 16:46:57,757 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 78 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:46:57,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 16:47:14,342 INFO L356 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-04-18 16:47:14,343 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 32 [2022-04-18 16:47:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 75 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:47:14,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393117288] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 16:47:14,716 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 16:47:14,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18, 17] total 47 [2022-04-18 16:47:14,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330475170] [2022-04-18 16:47:14,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 16:47:14,718 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-04-18 16:47:14,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:47:14,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-04-18 16:47:14,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=1924, Unknown=6, NotChecked=0, Total=2162 [2022-04-18 16:47:14,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:14,730 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:47:14,730 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 13.148936170212766) internal successors, (618), 47 states have internal predecessors, (618), 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) [2022-04-18 16:47:14,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:14,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:14,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:14,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 16:47:14,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 16:47:14,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-04-18 16:47:14,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-04-18 16:47:14,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-04-18 16:47:14,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:20,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:20,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:20,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:20,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 16:47:20,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 16:47:20,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-18 16:47:20,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-04-18 16:47:20,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-18 16:47:20,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-04-18 16:47:20,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-18 16:47:20,528 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-04-18 16:47:20,528 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [workerErr0ASSERT_VIOLATIONDATA_RACE, workerErr2ASSERT_VIOLATIONDATA_RACE, workerErr1ASSERT_VIOLATIONDATA_RACE, workerErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:47:20,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:47:20,528 INFO L85 PathProgramCache]: Analyzing trace with hash 954813489, now seen corresponding path program 2 times [2022-04-18 16:47:20,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:47:20,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450253907] [2022-04-18 16:47:20,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:47:20,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:47:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:47:21,942 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 99 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:47:21,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:47:21,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450253907] [2022-04-18 16:47:21,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450253907] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 16:47:21,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352085801] [2022-04-18 16:47:21,942 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-18 16:47:21,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 16:47:21,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:47:21,947 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 16:47:21,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-18 16:47:22,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-18 16:47:22,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-18 16:47:22,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 56 conjunts are in the unsatisfiable core [2022-04-18 16:47:22,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 16:47:24,624 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2022-04-18 16:47:25,863 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-04-18 16:47:26,012 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-04-18 16:47:26,367 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 76 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:47:26,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 16:47:28,158 INFO L356 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-04-18 16:47:28,159 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 32 [2022-04-18 16:47:28,590 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 73 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:47:28,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352085801] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 16:47:28,590 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 16:47:28,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 20, 19] total 56 [2022-04-18 16:47:28,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670809315] [2022-04-18 16:47:28,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 16:47:28,591 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-04-18 16:47:28,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:47:28,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-04-18 16:47:28,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=2785, Unknown=0, NotChecked=0, Total=3080 [2022-04-18 16:47:28,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:28,592 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:47:28,593 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 11.214285714285714) internal successors, (628), 56 states have internal predecessors, (628), 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) [2022-04-18 16:47:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 16:47:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 16:47:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-04-18 16:47:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-04-18 16:47:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-04-18 16:47:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-04-18 16:47:28,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-18 16:47:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 16:47:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-18 16:47:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-04-18 16:47:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-18 16:47:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-04-18 16:47:38,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-04-18 16:47:38,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-18 16:47:38,703 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-04-18 16:47:38,703 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting workerErr1ASSERT_VIOLATIONDATA_RACE === [workerErr0ASSERT_VIOLATIONDATA_RACE, workerErr2ASSERT_VIOLATIONDATA_RACE, workerErr1ASSERT_VIOLATIONDATA_RACE, workerErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:47:38,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:47:38,704 INFO L85 PathProgramCache]: Analyzing trace with hash 365674889, now seen corresponding path program 1 times [2022-04-18 16:47:38,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:47:38,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693863232] [2022-04-18 16:47:38,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:47:38,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:47:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:47:40,057 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 76 proven. 26 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-04-18 16:47:40,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:47:40,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693863232] [2022-04-18 16:47:40,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693863232] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 16:47:40,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219043423] [2022-04-18 16:47:40,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:47:40,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 16:47:40,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:47:40,059 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 16:47:40,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-18 16:47:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:47:40,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 24 conjunts are in the unsatisfiable core [2022-04-18 16:47:40,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 16:47:41,100 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-04-18 16:47:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 90 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-18 16:47:41,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 16:47:41,962 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-04-18 16:47:42,400 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-18 16:47:42,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219043423] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-18 16:47:42,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-04-18 16:47:42,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [27, 8] total 38 [2022-04-18 16:47:42,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588943360] [2022-04-18 16:47:42,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:47:42,401 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-18 16:47:42,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:47:42,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-18 16:47:42,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1276, Unknown=0, NotChecked=0, Total=1406 [2022-04-18 16:47:42,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:42,402 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:47:42,403 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 7 states have internal predecessors, (237), 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) [2022-04-18 16:47:42,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:42,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:42,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:42,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-04-18 16:47:42,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-04-18 16:47:42,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-04-18 16:47:42,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-04-18 16:47:42,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-04-18 16:47:42,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-04-18 16:47:42,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-04-18 16:47:42,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:56,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:56,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:56,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:56,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-04-18 16:47:56,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-04-18 16:47:56,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-18 16:47:56,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-04-18 16:47:56,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-18 16:47:56,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-04-18 16:47:56,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-04-18 16:47:56,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:47:56,123 INFO L788 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2022-04-18 16:47:56,124 INFO L788 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2022-04-18 16:47:56,124 INFO L788 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-04-18 16:47:56,124 INFO L788 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2022-04-18 16:47:56,124 INFO L788 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-04-18 16:47:56,125 INFO L788 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2022-04-18 16:47:56,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-18 16:47:56,338 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-04-18 16:47:56,353 INFO L719 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:47:56,354 INFO L306 ceAbstractionStarter]: Result for error location workerThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2022-04-18 16:47:56,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 16:47:56,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:47:56,358 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-04-18 16:47:56,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2022-04-18 16:47:56,363 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-04-18 16:47:56,364 INFO L340 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 [2022-04-18 16:47:56,364 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-04-18 16:47:56,388 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:47:56,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:47:56,388 INFO L85 PathProgramCache]: Analyzing trace with hash 437254836, now seen corresponding path program 1 times [2022-04-18 16:47:56,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:47:56,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273690780] [2022-04-18 16:47:56,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:47:56,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:47:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:47:56,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:47:56,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:47:56,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273690780] [2022-04-18 16:47:56,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273690780] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:47:56,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:47:56,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:47:56,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467511326] [2022-04-18 16:47:56,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:47:56,493 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:47:56,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:47:56,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:47:56,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:47:56,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:56,494 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:47:56,494 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) [2022-04-18 16:47:56,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:56,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:56,656 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-18 16:47:56,657 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:47:56,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:47:56,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1668464654, now seen corresponding path program 1 times [2022-04-18 16:47:56,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:47:56,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688142692] [2022-04-18 16:47:56,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:47:56,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:47:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:47:57,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:47:57,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:47:57,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688142692] [2022-04-18 16:47:57,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688142692] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:47:57,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:47:57,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-04-18 16:47:57,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131860467] [2022-04-18 16:47:57,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:47:57,048 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-18 16:47:57,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:47:57,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-18 16:47:57,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-04-18 16:47:57,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:57,049 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:47:57,049 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:47:57,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:57,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:57,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:57,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:47:57,671 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-18 16:47:57,671 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:47:57,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:47:57,671 INFO L85 PathProgramCache]: Analyzing trace with hash -408897014, now seen corresponding path program 1 times [2022-04-18 16:47:57,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:47:57,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051163892] [2022-04-18 16:47:57,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:47:57,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:47:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:47:57,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:47:57,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:47:57,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051163892] [2022-04-18 16:47:57,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051163892] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:47:57,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:47:57,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-18 16:47:57,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936630723] [2022-04-18 16:47:57,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:47:57,773 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-18 16:47:57,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:47:57,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-18 16:47:57,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-04-18 16:47:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:57,773 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:47:57,773 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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) [2022-04-18 16:47:57,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:57,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:47:57,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:58,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:58,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:47:58,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:47:58,164 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-18 16:47:58,165 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:47:58,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:47:58,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1863938856, now seen corresponding path program 1 times [2022-04-18 16:47:58,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:47:58,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046067500] [2022-04-18 16:47:58,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:47:58,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:47:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:47:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:47:59,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:47:59,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046067500] [2022-04-18 16:47:59,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046067500] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:47:59,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:47:59,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-18 16:47:59,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808384810] [2022-04-18 16:47:59,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:47:59,015 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-18 16:47:59,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:47:59,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-18 16:47:59,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-04-18 16:47:59,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:47:59,016 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:47:59,016 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.125) internal successors, (114), 16 states have internal predecessors, (114), 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) [2022-04-18 16:47:59,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:47:59,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:47:59,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:47:59,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:48:00,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:48:00,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:48:00,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-18 16:48:00,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 16:48:00,205 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-18 16:48:00,205 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:48:00,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:48:00,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1795792879, now seen corresponding path program 1 times [2022-04-18 16:48:00,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:48:00,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014261026] [2022-04-18 16:48:00,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:48:00,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:48:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:48:00,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:48:00,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:48:00,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014261026] [2022-04-18 16:48:00,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014261026] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:48:00,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:48:00,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:48:00,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132051096] [2022-04-18 16:48:00,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:48:00,329 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:48:00,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:48:00,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:48:00,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:48:00,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:48:00,330 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:48:00,330 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 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) [2022-04-18 16:48:00,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:48:00,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:48:00,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-04-18 16:48:00,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 16:48:00,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:48:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:48:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:48:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-18 16:48:00,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 16:48:00,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:48:00,607 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-18 16:48:00,607 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:48:00,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:48:00,608 INFO L85 PathProgramCache]: Analyzing trace with hash 866202447, now seen corresponding path program 1 times [2022-04-18 16:48:00,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:48:00,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12743550] [2022-04-18 16:48:00,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:48:00,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:48:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:48:00,731 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-04-18 16:48:00,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:48:00,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12743550] [2022-04-18 16:48:00,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12743550] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:48:00,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:48:00,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:48:00,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147031551] [2022-04-18 16:48:00,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:48:00,732 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:48:00,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:48:00,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:48:00,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:48:00,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:48:00,732 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:48:00,732 INFO L479 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) [2022-04-18 16:48:00,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:48:00,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:48:00,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-04-18 16:48:00,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 16:48:00,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:48:00,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:48:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:48:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:48:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-18 16:48:01,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 16:48:01,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:48:01,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:48:01,056 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-18 16:48:01,056 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:48:01,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:48:01,056 INFO L85 PathProgramCache]: Analyzing trace with hash -823388436, now seen corresponding path program 1 times [2022-04-18 16:48:01,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:48:01,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361558328] [2022-04-18 16:48:01,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:48:01,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:48:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:48:01,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-04-18 16:48:01,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:48:01,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361558328] [2022-04-18 16:48:01,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361558328] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:48:01,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:48:01,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-18 16:48:01,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239063342] [2022-04-18 16:48:01,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:48:01,312 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-18 16:48:01,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:48:01,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-18 16:48:01,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-04-18 16:48:01,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:48:01,313 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:48:01,313 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:48:01,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:48:01,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:48:01,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-04-18 16:48:01,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 16:48:01,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:48:01,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:48:01,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:48:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:48:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:48:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-04-18 16:48:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 16:48:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:48:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:48:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-18 16:48:03,331 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-18 16:48:03,331 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:48:03,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:48:03,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1776905145, now seen corresponding path program 1 times [2022-04-18 16:48:03,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:48:03,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336611589] [2022-04-18 16:48:03,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:48:03,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:48:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:48:05,057 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 95 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:48:05,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:48:05,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336611589] [2022-04-18 16:48:05,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336611589] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 16:48:05,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238941262] [2022-04-18 16:48:05,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:48:05,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 16:48:05,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:48:05,060 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 16:48:05,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-18 16:48:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:48:05,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 64 conjunts are in the unsatisfiable core [2022-04-18 16:48:05,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 16:48:05,552 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-04-18 16:48:05,552 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-04-18 16:48:05,796 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-04-18 16:48:06,055 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-04-18 16:48:07,321 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-04-18 16:48:09,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-04-18 16:48:09,908 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-04-18 16:48:10,120 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 95 proven. 39 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 16:48:10,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 16:49:54,329 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3079 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_3079) |c_~#pqb~0.base|) |c_~#pqb~0.offset|) 0)) is different from false [2022-04-18 16:49:54,407 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 16:49:54,407 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-04-18 16:49:54,422 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-04-18 16:49:54,422 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2022-04-18 16:49:54,427 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-04-18 16:49:54,850 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-04-18 16:49:54,850 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-04-18 16:49:54,862 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 95 proven. 39 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 16:49:54,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238941262] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 16:49:54,863 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 16:49:54,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 22, 21] total 66 [2022-04-18 16:49:54,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118363034] [2022-04-18 16:49:54,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 16:49:54,863 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-04-18 16:49:54,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:49:54,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-04-18 16:49:54,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=3752, Unknown=29, NotChecked=126, Total=4290 [2022-04-18 16:49:54,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:49:54,865 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:49:54,865 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 9.424242424242424) internal successors, (622), 66 states have internal predecessors, (622), 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) [2022-04-18 16:49:54,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:49:54,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:49:54,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-04-18 16:49:54,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 16:49:54,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:49:54,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:49:54,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-04-18 16:49:54,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:50:01,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:50:01,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:50:01,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-04-18 16:50:01,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 16:50:01,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:50:01,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:50:01,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-18 16:50:01,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-04-18 16:50:01,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-04-18 16:50:01,676 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 16:50:01,677 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-04-18 16:50:01,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:50:01,677 INFO L85 PathProgramCache]: Analyzing trace with hash -482084305, now seen corresponding path program 1 times [2022-04-18 16:50:01,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:50:01,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543508921] [2022-04-18 16:50:01,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:50:01,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:50:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:50:02,887 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 20 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:50:02,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:50:02,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543508921] [2022-04-18 16:50:02,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543508921] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 16:50:02,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770017940] [2022-04-18 16:50:02,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:50:02,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 16:50:02,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:50:02,896 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 16:50:02,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-04-18 16:50:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:50:03,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 24 conjunts are in the unsatisfiable core [2022-04-18 16:50:03,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 16:50:04,023 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-04-18 16:50:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 16:50:04,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 16:50:04,618 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-04-18 16:50:05,059 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 16:50:05,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770017940] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-18 16:50:05,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-04-18 16:50:05,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [24, 8] total 35 [2022-04-18 16:50:05,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178521530] [2022-04-18 16:50:05,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:50:05,061 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-18 16:50:05,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:50:05,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-18 16:50:05,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1072, Unknown=0, NotChecked=0, Total=1190 [2022-04-18 16:50:05,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:50:05,062 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:50:05,062 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 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) [2022-04-18 16:50:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:50:05,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:50:05,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-04-18 16:50:05,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-04-18 16:50:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:50:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:50:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-04-18 16:50:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-04-18 16:50:05,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:50:09,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:50:09,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-18 16:50:09,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-18 16:50:09,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-18 16:50:09,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:50:09,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:50:09,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-18 16:50:09,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-04-18 16:50:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-18 16:50:09,161 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2022-04-18 16:50:09,161 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2022-04-18 16:50:09,161 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining) [2022-04-18 16:50:09,161 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2022-04-18 16:50:09,161 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-04-18 16:50:09,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-04-18 16:50:09,362 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2022-04-18 16:50:09,364 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:50:09,364 INFO L306 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE (2/2) [2022-04-18 16:50:09,365 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:50:09,365 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:50:09,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:50:09 BasicIcfg [2022-04-18 16:50:09,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:50:09,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:50:09,369 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:50:09,369 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:50:09,369 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:45:46" (3/4) ... [2022-04-18 16:50:09,371 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:50:09,377 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure worker [2022-04-18 16:50:09,392 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-04-18 16:50:09,393 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-04-18 16:50:09,394 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 16:50:09,394 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:50:09,445 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2022-04-18 16:50:09,446 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:50:09,448 INFO L158 Benchmark]: Toolchain (without parser) took 263879.00ms. Allocated memory was 109.1MB in the beginning and 436.2MB in the end (delta: 327.2MB). Free memory was 76.2MB in the beginning and 120.2MB in the end (delta: -44.1MB). Peak memory consumption was 282.7MB. Max. memory is 16.1GB. [2022-04-18 16:50:09,448 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:50:09,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.34ms. Allocated memory is still 109.1MB. Free memory was 75.9MB in the beginning and 73.9MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-04-18 16:50:09,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.11ms. Allocated memory is still 109.1MB. Free memory was 73.9MB in the beginning and 71.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:50:09,449 INFO L158 Benchmark]: Boogie Preprocessor took 26.35ms. Allocated memory is still 109.1MB. Free memory was 71.0MB in the beginning and 68.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:50:09,449 INFO L158 Benchmark]: RCFGBuilder took 536.85ms. Allocated memory is still 109.1MB. Free memory was 68.5MB in the beginning and 49.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-04-18 16:50:09,449 INFO L158 Benchmark]: TraceAbstraction took 262797.55ms. Allocated memory was 109.1MB in the beginning and 436.2MB in the end (delta: 327.2MB). Free memory was 49.2MB in the beginning and 123.4MB in the end (delta: -74.2MB). Peak memory consumption was 255.7MB. Max. memory is 16.1GB. [2022-04-18 16:50:09,450 INFO L158 Benchmark]: Witness Printer took 78.62ms. Allocated memory is still 436.2MB. Free memory was 123.4MB in the beginning and 120.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:50:09,452 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.34ms. Allocated memory is still 109.1MB. Free memory was 75.9MB in the beginning and 73.9MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.11ms. Allocated memory is still 109.1MB. Free memory was 73.9MB in the beginning and 71.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.35ms. Allocated memory is still 109.1MB. Free memory was 71.0MB in the beginning and 68.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.85ms. Allocated memory is still 109.1MB. Free memory was 68.5MB in the beginning and 49.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 262797.55ms. Allocated memory was 109.1MB in the beginning and 436.2MB in the end (delta: 327.2MB). Free memory was 49.2MB in the beginning and 123.4MB in the end (delta: -74.2MB). Peak memory consumption was 255.7MB. Max. memory is 16.1GB. * Witness Printer took 78.62ms. Allocated memory is still 436.2MB. Free memory was 123.4MB in the beginning and 120.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 44449, positive: 40168, positive conditional: 23643, positive unconditional: 16525, negative: 4281, negative conditional: 4046, negative unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40535, positive: 40168, positive conditional: 23643, positive unconditional: 16525, negative: 367, negative conditional: 132, negative unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 40535, positive: 40168, positive conditional: 23643, positive unconditional: 16525, negative: 367, negative conditional: 132, negative unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41221, positive: 40168, positive conditional: 23343, positive unconditional: 16825, negative: 1053, negative conditional: 686, negative unconditional: 367, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 41221, positive: 40168, positive conditional: 13900, positive unconditional: 26268, negative: 1053, negative conditional: 546, negative unconditional: 507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 41221, positive: 40168, positive conditional: 13900, positive unconditional: 26268, negative: 1053, negative conditional: 546, negative unconditional: 507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9439, positive: 8890, positive conditional: 58, positive unconditional: 8832, negative: 549, negative conditional: 295, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9439, positive: 8555, positive conditional: 0, positive unconditional: 8555, negative: 884, negative conditional: 0, negative unconditional: 884, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 884, positive: 335, positive conditional: 58, positive unconditional: 277, negative: 549, negative conditional: 295, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1302, positive: 452, positive conditional: 115, positive unconditional: 337, negative: 850, negative conditional: 556, negative unconditional: 294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 41221, positive: 31278, positive conditional: 13842, positive unconditional: 17436, negative: 504, negative conditional: 251, negative unconditional: 253, unknown: 9439, unknown conditional: 353, unknown unconditional: 9086] , Statistics on independence cache: Total cache size (in pairs): 9439, Positive cache size: 8890, Positive conditional cache size: 58, Positive unconditional cache size: 8832, Negative cache size: 549, Negative conditional cache size: 295, Negative unconditional cache size: 254, Eliminated conditions: 9583, Maximal queried relation: 8, Independence queries for same thread: 3914 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.9s, Number of persistent set computation: 2630, Number of trivial persistent sets: 2501, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16760, positive: 16525, positive conditional: 0, positive unconditional: 16525, negative: 235, negative conditional: 0, negative unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 44449, positive: 40168, positive conditional: 23643, positive unconditional: 16525, negative: 4281, negative conditional: 4046, negative unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40535, positive: 40168, positive conditional: 23643, positive unconditional: 16525, negative: 367, negative conditional: 132, negative unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 40535, positive: 40168, positive conditional: 23643, positive unconditional: 16525, negative: 367, negative conditional: 132, negative unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41221, positive: 40168, positive conditional: 23343, positive unconditional: 16825, negative: 1053, negative conditional: 686, negative unconditional: 367, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 41221, positive: 40168, positive conditional: 13900, positive unconditional: 26268, negative: 1053, negative conditional: 546, negative unconditional: 507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 41221, positive: 40168, positive conditional: 13900, positive unconditional: 26268, negative: 1053, negative conditional: 546, negative unconditional: 507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9439, positive: 8890, positive conditional: 58, positive unconditional: 8832, negative: 549, negative conditional: 295, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9439, positive: 8555, positive conditional: 0, positive unconditional: 8555, negative: 884, negative conditional: 0, negative unconditional: 884, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 884, positive: 335, positive conditional: 58, positive unconditional: 277, negative: 549, negative conditional: 295, negative unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1302, positive: 452, positive conditional: 115, positive unconditional: 337, negative: 850, negative conditional: 556, negative unconditional: 294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 41221, positive: 31278, positive conditional: 13842, positive unconditional: 17436, negative: 504, negative conditional: 251, negative unconditional: 253, unknown: 9439, unknown conditional: 353, unknown unconditional: 9086] , Statistics on independence cache: Total cache size (in pairs): 9439, Positive cache size: 8890, Positive conditional cache size: 58, Positive unconditional cache size: 8832, Negative cache size: 549, Negative conditional cache size: 295, Negative unconditional cache size: 254, Eliminated conditions: 9583, Maximal queried relation: 8, Independence queries for same thread: 3914 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24149, positive: 22762, positive conditional: 8288, positive unconditional: 14474, negative: 1387, negative conditional: 1231, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22962, positive: 22762, positive conditional: 8288, positive unconditional: 14474, negative: 200, negative conditional: 44, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22962, positive: 22762, positive conditional: 8288, positive unconditional: 14474, negative: 200, negative conditional: 44, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23200, positive: 22762, positive conditional: 8249, positive unconditional: 14513, negative: 438, negative conditional: 238, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23200, positive: 22762, positive conditional: 5074, positive unconditional: 17688, negative: 438, negative conditional: 151, negative unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23200, positive: 22762, positive conditional: 5074, positive unconditional: 17688, negative: 438, negative conditional: 151, negative unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7730, positive: 7479, positive conditional: 28, positive unconditional: 7451, negative: 251, negative conditional: 87, negative unconditional: 164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7730, positive: 7224, positive conditional: 0, positive unconditional: 7224, negative: 506, negative conditional: 0, negative unconditional: 506, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 506, positive: 255, positive conditional: 28, positive unconditional: 227, negative: 251, negative conditional: 87, negative unconditional: 164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 613, positive: 261, positive conditional: 34, positive unconditional: 227, negative: 352, negative conditional: 136, negative unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23200, positive: 15283, positive conditional: 5046, positive unconditional: 10237, negative: 187, negative conditional: 64, negative unconditional: 123, unknown: 7730, unknown conditional: 115, unknown unconditional: 7615] , Statistics on independence cache: Total cache size (in pairs): 7730, Positive cache size: 7479, Positive conditional cache size: 28, Positive unconditional cache size: 7451, Negative cache size: 251, Negative conditional cache size: 87, Negative unconditional cache size: 164, Eliminated conditions: 3262, Maximal queried relation: 7, Independence queries for same thread: 1187 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 1242, Number of trivial persistent sets: 1177, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14630, positive: 14474, positive conditional: 0, positive unconditional: 14474, negative: 156, negative conditional: 0, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24149, positive: 22762, positive conditional: 8288, positive unconditional: 14474, negative: 1387, negative conditional: 1231, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22962, positive: 22762, positive conditional: 8288, positive unconditional: 14474, negative: 200, negative conditional: 44, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22962, positive: 22762, positive conditional: 8288, positive unconditional: 14474, negative: 200, negative conditional: 44, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23200, positive: 22762, positive conditional: 8249, positive unconditional: 14513, negative: 438, negative conditional: 238, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23200, positive: 22762, positive conditional: 5074, positive unconditional: 17688, negative: 438, negative conditional: 151, negative unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23200, positive: 22762, positive conditional: 5074, positive unconditional: 17688, negative: 438, negative conditional: 151, negative unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7730, positive: 7479, positive conditional: 28, positive unconditional: 7451, negative: 251, negative conditional: 87, negative unconditional: 164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7730, positive: 7224, positive conditional: 0, positive unconditional: 7224, negative: 506, negative conditional: 0, negative unconditional: 506, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 506, positive: 255, positive conditional: 28, positive unconditional: 227, negative: 251, negative conditional: 87, negative unconditional: 164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 613, positive: 261, positive conditional: 34, positive unconditional: 227, negative: 352, negative conditional: 136, negative unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23200, positive: 15283, positive conditional: 5046, positive unconditional: 10237, negative: 187, negative conditional: 64, negative unconditional: 123, unknown: 7730, unknown conditional: 115, unknown unconditional: 7615] , Statistics on independence cache: Total cache size (in pairs): 7730, Positive cache size: 7479, Positive conditional cache size: 28, Positive unconditional cache size: 7451, Negative cache size: 251, Negative conditional cache size: 87, Negative unconditional cache size: 164, Eliminated conditions: 3262, Maximal queried relation: 7, Independence queries for same thread: 1187 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: workerThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 290 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 129.6s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 39.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 245, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 86.6s InterpolantComputationTime, 3581 NumberOfCodeBlocks, 3581 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4822 ConstructedInterpolants, 203 QuantifiedInterpolants, 41394 SizeOfPredicates, 101 NumberOfNonLiveVariables, 4166 ConjunctsInSsa, 249 ConjunctsInUnsatCore, 22 InterpolantComputations, 8 PerfectInterpolantSequences, 1448/2031 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 290 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 133.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 15.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 120, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 116.1s InterpolantComputationTime, 1654 NumberOfCodeBlocks, 1654 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2117 ConstructedInterpolants, 107 QuantifiedInterpolants, 17283 SizeOfPredicates, 39 NumberOfNonLiveVariables, 1443 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 410/565 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:50:09,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Forceful destruction successful, exit code 0 [2022-04-18 16:50:09,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-04-18 16:50:09,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE