./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b8dbc81d 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 ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-09-01 10:43:48,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 10:43:48,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 10:43:48,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 10:43:48,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 10:43:48,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 10:43:48,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 10:43:48,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 10:43:48,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 10:43:48,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 10:43:48,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 10:43:48,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 10:43:48,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 10:43:48,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 10:43:48,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 10:43:48,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 10:43:48,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 10:43:48,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 10:43:48,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 10:43:48,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 10:43:48,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 10:43:48,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 10:43:48,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 10:43:48,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 10:43:48,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 10:43:48,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 10:43:48,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 10:43:48,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 10:43:48,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 10:43:48,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 10:43:48,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 10:43:48,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 10:43:48,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 10:43:48,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 10:43:48,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 10:43:48,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 10:43:48,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 10:43:48,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 10:43:48,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 10:43:48,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 10:43:48,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 10:43:48,789 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-09-01 10:43:48,821 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 10:43:48,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 10:43:48,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 10:43:48,823 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 10:43:48,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 10:43:48,824 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 10:43:48,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 10:43:48,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 10:43:48,825 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 10:43:48,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 10:43:48,826 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 10:43:48,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 10:43:48,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 10:43:48,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 10:43:48,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 10:43:48,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 10:43:48,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 10:43:48,827 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 10:43:48,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 10:43:48,827 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 10:43:48,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 10:43:48,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 10:43:48,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 10:43:48,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 10:43:48,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 10:43:48,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 10:43:48,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 10:43:48,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 10:43:48,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 10:43:48,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 10:43:48,830 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 10:43:48,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 10:43:48,830 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 10:43:48,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 10:43:48,831 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 10:43:48,831 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 10:43:49,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 10:43:49,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 10:43:49,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 10:43:49,175 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 10:43:49,176 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 10:43:49,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2023-09-01 10:43:50,309 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 10:43:50,596 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 10:43:50,601 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2023-09-01 10:43:50,624 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d29059735/126c3e6de1764fe7b468994cedf585e6/FLAG964525440 [2023-09-01 10:43:50,642 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d29059735/126c3e6de1764fe7b468994cedf585e6 [2023-09-01 10:43:50,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 10:43:50,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 10:43:50,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 10:43:50,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 10:43:50,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 10:43:50,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 10:43:50" (1/1) ... [2023-09-01 10:43:50,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdf85f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 10:43:50, skipping insertion in model container [2023-09-01 10:43:50,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 10:43:50" (1/1) ... [2023-09-01 10:43:50,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 10:43:50,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 10:43:50,816 WARN L247 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_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2023-09-01 10:43:51,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 10:43:51,108 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 10:43:51,120 WARN L247 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_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2023-09-01 10:43:51,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 10:43:51,216 WARN L667 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 10:43:51,222 INFO L208 MainTranslator]: Completed translation [2023-09-01 10:43:51,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 10:43:51 WrapperNode [2023-09-01 10:43:51,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 10:43:51,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 10:43:51,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 10:43:51,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 10:43:51,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 10:43:51" (1/1) ... [2023-09-01 10:43:51,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 10:43:51" (1/1) ... [2023-09-01 10:43:51,276 INFO L138 Inliner]: procedures = 354, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2023-09-01 10:43:51,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 10:43:51,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 10:43:51,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 10:43:51,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 10:43:51,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 10:43:51" (1/1) ... [2023-09-01 10:43:51,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 10:43:51" (1/1) ... [2023-09-01 10:43:51,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 10:43:51" (1/1) ... [2023-09-01 10:43:51,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 10:43:51" (1/1) ... [2023-09-01 10:43:51,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 10:43:51" (1/1) ... [2023-09-01 10:43:51,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 10:43:51" (1/1) ... [2023-09-01 10:43:51,318 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 10:43:51" (1/1) ... [2023-09-01 10:43:51,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 10:43:51" (1/1) ... [2023-09-01 10:43:51,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 10:43:51,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 10:43:51,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 10:43:51,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 10:43:51,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 10:43:51" (1/1) ... [2023-09-01 10:43:51,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 10:43:51,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 10:43:51,359 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) [2023-09-01 10:43:51,368 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 [2023-09-01 10:43:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2023-09-01 10:43:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2023-09-01 10:43:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2023-09-01 10:43:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2023-09-01 10:43:51,402 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2023-09-01 10:43:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 10:43:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 10:43:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-01 10:43:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 10:43:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-01 10:43:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 10:43:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 10:43:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 10:43:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 10:43:51,404 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-01 10:43:51,740 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 10:43:51,742 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 10:43:51,957 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 10:43:51,966 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 10:43:51,967 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-01 10:43:51,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 10:43:51 BoogieIcfgContainer [2023-09-01 10:43:51,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 10:43:51,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 10:43:51,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 10:43:51,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 10:43:51,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 10:43:50" (1/3) ... [2023-09-01 10:43:51,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c1448b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 10:43:51, skipping insertion in model container [2023-09-01 10:43:51,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 10:43:51" (2/3) ... [2023-09-01 10:43:51,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c1448b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 10:43:51, skipping insertion in model container [2023-09-01 10:43:51,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 10:43:51" (3/3) ... [2023-09-01 10:43:51,977 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2023-09-01 10:43:51,985 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 10:43:51,994 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 10:43:51,994 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-01 10:43:51,994 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-01 10:43:52,080 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-01 10:43:52,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 88 transitions, 192 flow [2023-09-01 10:43:52,168 INFO L130 PetriNetUnfolder]: 1/86 cut-off events. [2023-09-01 10:43:52,169 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-09-01 10:43:52,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 86 events. 1/86 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2023-09-01 10:43:52,173 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 88 transitions, 192 flow [2023-09-01 10:43:52,178 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 70 transitions, 149 flow [2023-09-01 10:43:52,185 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-09-01 10:43:52,200 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 70 transitions, 149 flow [2023-09-01 10:43:52,203 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 70 transitions, 149 flow [2023-09-01 10:43:52,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 70 transitions, 149 flow [2023-09-01 10:43:52,228 INFO L130 PetriNetUnfolder]: 0/70 cut-off events. [2023-09-01 10:43:52,228 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-09-01 10:43:52,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 70 events. 0/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 40 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-09-01 10:43:52,230 INFO L119 LiptonReduction]: Number of co-enabled transitions 552 [2023-09-01 10:43:55,211 INFO L134 LiptonReduction]: Checked pairs total: 1004 [2023-09-01 10:43:55,212 INFO L136 LiptonReduction]: Total number of compositions: 55 [2023-09-01 10:43:55,223 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-01 10:43:55,228 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@67609ba4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-09-01 10:43:55,228 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-09-01 10:43:55,233 INFO L130 PetriNetUnfolder]: 0/10 cut-off events. [2023-09-01 10:43:55,233 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 10:43:55,233 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 10:43:55,234 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-09-01 10:43:55,234 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-09-01 10:43:55,238 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 10:43:55,238 INFO L85 PathProgramCache]: Analyzing trace with hash 112016611, now seen corresponding path program 1 times [2023-09-01 10:43:55,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 10:43:55,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475185135] [2023-09-01 10:43:55,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 10:43:55,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 10:43:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-01 10:43:55,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-01 10:43:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-01 10:43:55,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-01 10:43:55,488 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-01 10:43:55,489 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-09-01 10:43:55,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-09-01 10:43:55,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-09-01 10:43:55,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2023-09-01 10:43:55,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-01 10:43:55,493 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-01 10:43:55,502 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-01 10:43:55,503 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-01 10:43:55,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.09 10:43:55 BasicIcfg [2023-09-01 10:43:55,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-01 10:43:55,535 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-09-01 10:43:55,535 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-09-01 10:43:55,535 INFO L275 PluginConnector]: Witness Printer initialized [2023-09-01 10:43:55,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 10:43:51" (3/4) ... [2023-09-01 10:43:55,537 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-09-01 10:43:55,593 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-09-01 10:43:55,594 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-09-01 10:43:55,594 INFO L158 Benchmark]: Toolchain (without parser) took 4949.50ms. Allocated memory was 65.0MB in the beginning and 109.1MB in the end (delta: 44.0MB). Free memory was 43.5MB in the beginning and 82.3MB in the end (delta: -38.8MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2023-09-01 10:43:55,595 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 42.2MB in the beginning and 42.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 10:43:55,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.28ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 43.3MB in the beginning and 42.7MB in the end (delta: 610.3kB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-09-01 10:43:55,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.11ms. Allocated memory is still 88.1MB. Free memory was 42.7MB in the beginning and 64.7MB in the end (delta: -22.0MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2023-09-01 10:43:55,596 INFO L158 Benchmark]: Boogie Preprocessor took 48.67ms. Allocated memory is still 88.1MB. Free memory was 64.7MB in the beginning and 62.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 10:43:55,597 INFO L158 Benchmark]: RCFGBuilder took 642.76ms. Allocated memory is still 88.1MB. Free memory was 62.1MB in the beginning and 42.8MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-09-01 10:43:55,598 INFO L158 Benchmark]: TraceAbstraction took 3562.55ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 42.1MB in the beginning and 71.5MB in the end (delta: -29.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 10:43:55,598 INFO L158 Benchmark]: Witness Printer took 59.11ms. Allocated memory is still 109.1MB. Free memory was 71.5MB in the beginning and 82.3MB in the end (delta: -10.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-09-01 10:43:55,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 42.2MB in the beginning and 42.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.28ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 43.3MB in the beginning and 42.7MB in the end (delta: 610.3kB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.11ms. Allocated memory is still 88.1MB. Free memory was 42.7MB in the beginning and 64.7MB in the end (delta: -22.0MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.67ms. Allocated memory is still 88.1MB. Free memory was 64.7MB in the beginning and 62.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 642.76ms. Allocated memory is still 88.1MB. Free memory was 62.1MB in the beginning and 42.8MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3562.55ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 42.1MB in the beginning and 71.5MB in the end (delta: -29.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.11ms. Allocated memory is still 109.1MB. Free memory was 71.5MB in the beginning and 82.3MB in the end (delta: -10.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.0s, 77 PlacesBefore, 22 PlacesAfterwards, 70 TransitionsBefore, 15 TransitionsAfterwards, 552 CoEnabledTransitionPairs, 6 FixpointIterations, 34 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 55 TotalNumberOfCompositions, 1004 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 650, independent: 568, independent conditional: 0, independent unconditional: 568, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 305, independent: 286, independent conditional: 0, independent unconditional: 286, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 650, independent: 282, independent conditional: 0, independent unconditional: 282, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 305, unknown conditional: 0, unknown unconditional: 305] , Statistics on independence cache: Total cache size (in pairs): 35, Positive cache size: 29, Positive conditional cache size: 0, Positive unconditional cache size: 29, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1351] 0 int g; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; [L1373] 0 pthread_t t1; [L1374] 0 pthread_t t2; [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1152, argc=1152, argv={1150:1151}, argv={1150:1151}, cond={4:0}, g=0, mut={3:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, ptr={0:0}, t1={6:0}, t2={5:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1152, argc=1152, argv={1150:1151}, argv={1150:1151}, cond={4:0}, g=0, mut={3:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, t1={6:0}, t2={5:0}] [L1365] CALL 2 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 2 !(cond) [L19] 2 reach_error() VAL [\old(cond)=0, cond=0, cond={4:0}, g=0, mut={3:0}, ptr={0:0}] - UnprovableResult [Line: 1375]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1377]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 118 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-09-01 10:43:55,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE