./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f70125267ee7251a74a40ef1ba0ea3ced14d0fe45e7a9ea5a666e1eecab0c01c --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 02:31:04,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 02:31:04,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 02:31:04,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 02:31:04,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 02:31:04,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 02:31:04,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 02:31:04,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 02:31:04,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 02:31:04,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 02:31:04,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 02:31:04,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 02:31:04,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 02:31:04,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 02:31:04,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 02:31:04,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 02:31:04,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 02:31:04,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 02:31:04,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 02:31:04,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 02:31:04,806 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 02:31:04,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 02:31:04,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 02:31:04,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 02:31:04,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 02:31:04,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 02:31:04,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 02:31:04,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 02:31:04,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 02:31:04,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 02:31:04,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 02:31:04,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 02:31:04,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 02:31:04,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 02:31:04,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 02:31:04,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 02:31:04,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 02:31:04,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 02:31:04,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 02:31:04,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 02:31:04,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 02:31:04,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 02:31:04,827 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-13 02:31:04,851 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 02:31:04,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 02:31:04,852 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 02:31:04,852 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 02:31:04,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 02:31:04,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 02:31:04,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 02:31:04,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 02:31:04,853 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 02:31:04,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 02:31:04,854 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 02:31:04,854 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 02:31:04,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 02:31:04,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 02:31:04,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 02:31:04,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 02:31:04,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 02:31:04,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 02:31:04,855 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-13 02:31:04,856 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 02:31:04,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 02:31:04,856 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 02:31:04,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 02:31:04,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 02:31:04,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 02:31:04,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 02:31:04,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 02:31:04,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 02:31:04,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 02:31:04,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 02:31:04,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 02:31:04,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 02:31:04,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 02:31:04,859 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70125267ee7251a74a40ef1ba0ea3ced14d0fe45e7a9ea5a666e1eecab0c01c [2022-07-13 02:31:05,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 02:31:05,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 02:31:05,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 02:31:05,073 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 02:31:05,074 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 02:31:05,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i [2022-07-13 02:31:05,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e0d2b7ec/a12d6a21974940f59b7feb1bf2e9ffd6/FLAG7f66039a8 [2022-07-13 02:31:05,576 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 02:31:05,581 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i [2022-07-13 02:31:05,604 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e0d2b7ec/a12d6a21974940f59b7feb1bf2e9ffd6/FLAG7f66039a8 [2022-07-13 02:31:06,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e0d2b7ec/a12d6a21974940f59b7feb1bf2e9ffd6 [2022-07-13 02:31:06,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 02:31:06,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 02:31:06,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 02:31:06,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 02:31:06,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 02:31:06,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:31:06" (1/1) ... [2022-07-13 02:31:06,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b24dc6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:06, skipping insertion in model container [2022-07-13 02:31:06,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:31:06" (1/1) ... [2022-07-13 02:31:06,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 02:31:06,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 02:31:06,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i[47038,47051] [2022-07-13 02:31:06,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 02:31:06,539 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 02:31:06,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i[47038,47051] [2022-07-13 02:31:06,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 02:31:06,627 INFO L208 MainTranslator]: Completed translation [2022-07-13 02:31:06,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:06 WrapperNode [2022-07-13 02:31:06,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 02:31:06,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 02:31:06,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 02:31:06,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 02:31:06,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:06" (1/1) ... [2022-07-13 02:31:06,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:06" (1/1) ... [2022-07-13 02:31:06,680 INFO L137 Inliner]: procedures = 279, calls = 88, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 402 [2022-07-13 02:31:06,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 02:31:06,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 02:31:06,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 02:31:06,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 02:31:06,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:06" (1/1) ... [2022-07-13 02:31:06,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:06" (1/1) ... [2022-07-13 02:31:06,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:06" (1/1) ... [2022-07-13 02:31:06,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:06" (1/1) ... [2022-07-13 02:31:06,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:06" (1/1) ... [2022-07-13 02:31:06,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:06" (1/1) ... [2022-07-13 02:31:06,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:06" (1/1) ... [2022-07-13 02:31:06,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 02:31:06,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 02:31:06,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 02:31:06,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 02:31:06,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:06" (1/1) ... [2022-07-13 02:31:06,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 02:31:06,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:31:06,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 02:31:06,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 02:31:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 02:31:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 02:31:06,788 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2022-07-13 02:31:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2022-07-13 02:31:06,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 02:31:06,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 02:31:06,788 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-07-13 02:31:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-07-13 02:31:06,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 02:31:06,788 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-13 02:31:06,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 02:31:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 02:31:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 02:31:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2022-07-13 02:31:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2022-07-13 02:31:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 02:31:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 02:31:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 02:31:06,791 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-13 02:31:06,894 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 02:31:06,895 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 02:31:07,349 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 02:31:07,358 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 02:31:07,359 INFO L299 CfgBuilder]: Removed 29 assume(true) statements. [2022-07-13 02:31:07,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:31:07 BoogieIcfgContainer [2022-07-13 02:31:07,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 02:31:07,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 02:31:07,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 02:31:07,364 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 02:31:07,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:31:06" (1/3) ... [2022-07-13 02:31:07,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc045a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:31:07, skipping insertion in model container [2022-07-13 02:31:07,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:06" (2/3) ... [2022-07-13 02:31:07,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc045a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:31:07, skipping insertion in model container [2022-07-13 02:31:07,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:31:07" (3/3) ... [2022-07-13 02:31:07,367 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_84-list2_racing2.i [2022-07-13 02:31:07,370 WARN L143 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-07-13 02:31:07,377 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 02:31:07,377 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-07-13 02:31:07,377 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-07-13 02:31:07,502 INFO L135 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-07-13 02:31:07,541 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-13 02:31:07,549 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 410 places, 452 transitions, 946 flow [2022-07-13 02:31:07,554 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 410 places, 452 transitions, 946 flow [2022-07-13 02:31:07,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 410 places, 452 transitions, 946 flow [2022-07-13 02:31:07,888 INFO L129 PetriNetUnfolder]: 189/1626 cut-off events. [2022-07-13 02:31:07,888 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2022-07-13 02:31:07,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1687 conditions, 1626 events. 189/1626 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 10843 event pairs, 0 based on Foata normal form. 0/1355 useless extension candidates. Maximal degree in co-relation 825. Up to 16 conditions per place. [2022-07-13 02:31:07,986 INFO L116 LiptonReduction]: Number of co-enabled transitions 92330 [2022-07-13 02:32:08,728 INFO L131 LiptonReduction]: Checked pairs total: 174049 [2022-07-13 02:32:08,728 INFO L133 LiptonReduction]: Total number of compositions: 401 [2022-07-13 02:32:08,742 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 114 places, 147 transitions, 336 flow [2022-07-13 02:32:14,170 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 185848 states, 185207 states have (on average 4.821966772314221) internal successors, (893062), 185847 states have internal predecessors, (893062), 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) [2022-07-13 02:32:14,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 02:32:14,215 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@78313b9c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@46cef83 [2022-07-13 02:32:14,216 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-07-13 02:32:14,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 185848 states, 185207 states have (on average 4.821966772314221) internal successors, (893062), 185847 states have internal predecessors, (893062), 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) [2022-07-13 02:32:14,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-13 02:32:14,545 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:32:14,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-13 02:32:14,546 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2022-07-13 02:32:14,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:32:14,549 INFO L85 PathProgramCache]: Analyzing trace with hash 53799670, now seen corresponding path program 1 times [2022-07-13 02:32:14,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:32:14,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5934295] [2022-07-13 02:32:14,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:32:14,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:32:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 02:32:14,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 02:32:14,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 02:32:14,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5934295] [2022-07-13 02:32:14,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5934295] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 02:32:14,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 02:32:14,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-13 02:32:14,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597547800] [2022-07-13 02:32:14,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 02:32:14,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 02:32:14,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 02:32:14,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 02:32:14,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:32:15,169 INFO L87 Difference]: Start difference. First operand has 185848 states, 185207 states have (on average 4.821966772314221) internal successors, (893062), 185847 states have internal predecessors, (893062), 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-07-13 02:32:17,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 02:32:17,786 INFO L93 Difference]: Finished difference Result 176316 states and 687886 transitions. [2022-07-13 02:32:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 02:32:17,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2022-07-13 02:32:17,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 02:32:19,574 INFO L225 Difference]: With dead ends: 176316 [2022-07-13 02:32:19,574 INFO L226 Difference]: Without dead ends: 173013 [2022-07-13 02:32:19,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 02:32:19,577 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 10 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 02:32:19,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 32 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 02:32:19,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173013 states. [2022-07-13 02:32:25,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173013 to 173013. [2022-07-13 02:32:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173013 states, 172489 states have (on average 3.9131828696322666) internal successors, (674981), 173012 states have internal predecessors, (674981), 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) [2022-07-13 02:32:27,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173013 states to 173013 states and 674981 transitions. [2022-07-13 02:32:27,049 INFO L78 Accepts]: Start accepts. Automaton has 173013 states and 674981 transitions. Word has length 4 [2022-07-13 02:32:27,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 02:32:27,050 INFO L495 AbstractCegarLoop]: Abstraction has 173013 states and 674981 transitions. [2022-07-13 02:32:27,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-07-13 02:32:27,050 INFO L276 IsEmpty]: Start isEmpty. Operand 173013 states and 674981 transitions. [2022-07-13 02:32:27,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-13 02:32:27,051 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 02:32:27,051 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-07-13 02:32:27,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 02:32:27,055 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2022-07-13 02:32:27,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 02:32:27,056 INFO L85 PathProgramCache]: Analyzing trace with hash 162047194, now seen corresponding path program 1 times [2022-07-13 02:32:27,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 02:32:27,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503529355] [2022-07-13 02:32:27,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 02:32:27,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 02:32:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 02:32:27,126 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 02:32:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 02:32:27,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 02:32:27,193 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 02:32:27,195 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2022-07-13 02:32:27,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 31 remaining) [2022-07-13 02:32:27,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 31 remaining) [2022-07-13 02:32:27,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 31 remaining) [2022-07-13 02:32:27,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 31 remaining) [2022-07-13 02:32:27,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 31 remaining) [2022-07-13 02:32:27,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 31 remaining) [2022-07-13 02:32:27,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 31 remaining) [2022-07-13 02:32:27,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 31 remaining) [2022-07-13 02:32:27,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 31 remaining) [2022-07-13 02:32:27,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 31 remaining) [2022-07-13 02:32:27,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 31 remaining) [2022-07-13 02:32:27,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 31 remaining) [2022-07-13 02:32:27,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 31 remaining) [2022-07-13 02:32:27,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 31 remaining) [2022-07-13 02:32:27,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 31 remaining) [2022-07-13 02:32:27,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 31 remaining) [2022-07-13 02:32:27,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 31 remaining) [2022-07-13 02:32:27,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 31 remaining) [2022-07-13 02:32:27,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 31 remaining) [2022-07-13 02:32:27,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 31 remaining) [2022-07-13 02:32:27,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 31 remaining) [2022-07-13 02:32:27,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 31 remaining) [2022-07-13 02:32:27,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 31 remaining) [2022-07-13 02:32:27,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 31 remaining) [2022-07-13 02:32:27,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 31 remaining) [2022-07-13 02:32:27,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 31 remaining) [2022-07-13 02:32:27,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 31 remaining) [2022-07-13 02:32:27,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 31 remaining) [2022-07-13 02:32:27,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 31 remaining) [2022-07-13 02:32:27,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 31 remaining) [2022-07-13 02:32:27,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 02:32:27,214 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-13 02:32:27,216 WARN L231 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-07-13 02:32:27,216 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-07-13 02:32:27,290 INFO L135 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2022-07-13 02:32:27,298 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-13 02:32:27,298 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 617 places, 693 transitions, 1476 flow [2022-07-13 02:32:27,299 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 617 places, 693 transitions, 1476 flow [2022-07-13 02:32:27,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 617 places, 693 transitions, 1476 flow [2022-07-13 02:32:29,531 INFO L129 PetriNetUnfolder]: 1213/7886 cut-off events. [2022-07-13 02:32:29,532 INFO L130 PetriNetUnfolder]: For 602/602 co-relation queries the response was YES. [2022-07-13 02:32:29,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8560 conditions, 7886 events. 1213/7886 cut-off events. For 602/602 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 74573 event pairs, 22 based on Foata normal form. 0/6455 useless extension candidates. Maximal degree in co-relation 4897. Up to 192 conditions per place. [2022-07-13 02:32:30,525 INFO L116 LiptonReduction]: Number of co-enabled transitions 298912 [2022-07-13 02:33:01,833 INFO L131 LiptonReduction]: Checked pairs total: 619767 [2022-07-13 02:33:01,834 INFO L133 LiptonReduction]: Total number of compositions: 620 [2022-07-13 02:33:01,835 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 184 places, 248 transitions, 586 flow