./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/pthread/stack_longest-1.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ed568caba4b883b0886336a3869d78e2ca18840 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/pthread/stack_longest-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ed568caba4b883b0886336a3869d78e2ca18840 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:57:05,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:57:05,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:57:05,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:57:05,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:57:05,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:57:05,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:57:05,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:57:05,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:57:05,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:57:05,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:57:05,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:57:05,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:57:05,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:57:05,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:57:05,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:57:05,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:57:05,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:57:05,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:57:05,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:57:05,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:57:05,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:57:05,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:57:05,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:57:05,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:57:05,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:57:05,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:57:05,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:57:05,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:57:05,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:57:05,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:57:05,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:57:05,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:57:05,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:57:05,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:57:05,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:57:05,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:57:05,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:57:05,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:57:05,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:57:05,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:57:05,839 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:57:05,860 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:57:05,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:57:05,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:57:05,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:57:05,863 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:57:05,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:57:05,864 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:57:05,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:57:05,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:57:05,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:57:05,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:57:05,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:57:05,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:57:05,867 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:57:05,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:57:05,867 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:57:05,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:57:05,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:57:05,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:57:05,868 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:57:05,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:57:05,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:57:05,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:57:05,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:57:05,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:57:05,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:57:05,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:57:05,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:57:05,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:57:05,871 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> 1ed568caba4b883b0886336a3869d78e2ca18840 [2019-11-28 17:57:06,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:57:06,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:57:06,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:57:06,247 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:57:06,247 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:57:06,248 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longest-1.i [2019-11-28 17:57:06,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f1051e0a/1ebc19ea6b4144cba643f45280d22685/FLAG204f0a404 [2019-11-28 17:57:06,779 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:57:06,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longest-1.i [2019-11-28 17:57:06,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f1051e0a/1ebc19ea6b4144cba643f45280d22685/FLAG204f0a404 [2019-11-28 17:57:07,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f1051e0a/1ebc19ea6b4144cba643f45280d22685 [2019-11-28 17:57:07,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:57:07,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:57:07,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:57:07,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:57:07,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:57:07,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:57:07" (1/1) ... [2019-11-28 17:57:07,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7903573a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:07, skipping insertion in model container [2019-11-28 17:57:07,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:57:07" (1/1) ... [2019-11-28 17:57:07,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:57:07,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:57:07,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:57:07,815 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:57:07,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:57:08,102 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:57:08,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:08 WrapperNode [2019-11-28 17:57:08,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:57:08,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:57:08,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:57:08,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:57:08,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:08" (1/1) ... [2019-11-28 17:57:08,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:08" (1/1) ... [2019-11-28 17:57:08,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:57:08,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:57:08,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:57:08,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:57:08,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:08" (1/1) ... [2019-11-28 17:57:08,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:08" (1/1) ... [2019-11-28 17:57:08,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:08" (1/1) ... [2019-11-28 17:57:08,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:08" (1/1) ... [2019-11-28 17:57:08,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:08" (1/1) ... [2019-11-28 17:57:08,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:08" (1/1) ... [2019-11-28 17:57:08,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:08" (1/1) ... [2019-11-28 17:57:08,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:57:08,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:57:08,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:57:08,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:57:08,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:57:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-11-28 17:57:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-11-28 17:57:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-11-28 17:57:08,311 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-11-28 17:57:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:57:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 17:57:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 17:57:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 17:57:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 17:57:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:57:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:57:08,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:57:08,314 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 17:57:08,839 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:57:08,839 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-11-28 17:57:08,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:57:08 BoogieIcfgContainer [2019-11-28 17:57:08,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:57:08,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:57:08,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:57:08,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:57:08,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:57:07" (1/3) ... [2019-11-28 17:57:08,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@330da085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:57:08, skipping insertion in model container [2019-11-28 17:57:08,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:08" (2/3) ... [2019-11-28 17:57:08,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@330da085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:57:08, skipping insertion in model container [2019-11-28 17:57:08,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:57:08" (3/3) ... [2019-11-28 17:57:08,850 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2019-11-28 17:57:08,860 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-28 17:57:08,861 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:57:08,868 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-28 17:57:08,869 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-11-28 17:57:08,909 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,909 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,909 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,910 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,910 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,910 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,911 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,911 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,911 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,912 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,912 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,912 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,912 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,913 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,913 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,913 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,913 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,914 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,914 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,914 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,914 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,915 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,915 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,916 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,916 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,916 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,916 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,916 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,917 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,917 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,917 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,918 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,918 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,918 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,918 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,919 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,920 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,920 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,920 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,920 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,921 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,921 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,923 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,924 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,924 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,924 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,924 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,924 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,925 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,925 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,925 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,926 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,926 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,926 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,927 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,927 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,927 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,927 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,927 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,928 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,928 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,928 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,930 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,931 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,931 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,931 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,931 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,932 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,932 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,932 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,932 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,933 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,933 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,933 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,933 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,934 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,935 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,935 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,935 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,936 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,937 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,937 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,937 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,938 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,938 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,938 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,939 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,939 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,939 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,940 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,940 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,940 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,940 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,941 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,941 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,944 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,945 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,945 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,945 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,945 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,946 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,947 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,947 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,947 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,948 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,948 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,948 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,956 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,957 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,957 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,957 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,958 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,958 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,958 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,958 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,958 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,960 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,960 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,960 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,960 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,961 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,961 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,961 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,961 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,961 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,962 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,962 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:08,999 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-28 17:57:09,020 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:57:09,021 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:57:09,021 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:57:09,021 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:57:09,021 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:57:09,021 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:57:09,021 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:57:09,021 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:57:09,043 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 140 transitions [2019-11-28 17:57:09,044 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 136 places, 140 transitions [2019-11-28 17:57:09,121 INFO L134 PetriNetUnfolder]: 10/140 cut-off events. [2019-11-28 17:57:09,122 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 17:57:09,133 INFO L76 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 140 events. 10/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 423 event pairs. 19/148 useless extension candidates. Maximal degree in co-relation 108. Up to 3 conditions per place. [2019-11-28 17:57:09,147 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 136 places, 140 transitions [2019-11-28 17:57:09,203 INFO L134 PetriNetUnfolder]: 10/140 cut-off events. [2019-11-28 17:57:09,203 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 17:57:09,208 INFO L76 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 140 events. 10/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 423 event pairs. 19/148 useless extension candidates. Maximal degree in co-relation 108. Up to 3 conditions per place. [2019-11-28 17:57:09,216 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5952 [2019-11-28 17:57:09,217 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-11-28 17:57:10,983 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-11-28 17:57:11,598 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-11-28 17:57:11,973 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-11-28 17:57:12,580 WARN L192 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 110 [2019-11-28 17:57:12,823 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-11-28 17:57:12,957 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6886 [2019-11-28 17:57:12,958 INFO L214 etLargeBlockEncoding]: Total number of compositions: 119 [2019-11-28 17:57:12,961 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 41 transitions [2019-11-28 17:57:12,991 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2019-11-28 17:57:12,993 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2019-11-28 17:57:12,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-28 17:57:13,000 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:57:13,000 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-28 17:57:13,001 INFO L410 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:57:13,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:57:13,007 INFO L82 PathProgramCache]: Analyzing trace with hash -286243724, now seen corresponding path program 1 times [2019-11-28 17:57:13,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:57:13,017 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225022984] [2019-11-28 17:57:13,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:57:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:57:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:13,227 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225022984] [2019-11-28 17:57:13,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:57:13,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:57:13,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478132042] [2019-11-28 17:57:13,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:57:13,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:57:13,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:57:13,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:57:13,246 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 3 states. [2019-11-28 17:57:13,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:57:13,382 INFO L93 Difference]: Finished difference Result 602 states and 1541 transitions. [2019-11-28 17:57:13,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:57:13,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-28 17:57:13,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:57:13,411 INFO L225 Difference]: With dead ends: 602 [2019-11-28 17:57:13,411 INFO L226 Difference]: Without dead ends: 580 [2019-11-28 17:57:13,413 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:57:13,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2019-11-28 17:57:13,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 427. [2019-11-28 17:57:13,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2019-11-28 17:57:13,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1148 transitions. [2019-11-28 17:57:13,513 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1148 transitions. Word has length 6 [2019-11-28 17:57:13,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:57:13,514 INFO L462 AbstractCegarLoop]: Abstraction has 427 states and 1148 transitions. [2019-11-28 17:57:13,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:57:13,514 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1148 transitions. [2019-11-28 17:57:13,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 17:57:13,515 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:57:13,515 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:57:13,516 INFO L410 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:57:13,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:57:13,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1821742482, now seen corresponding path program 1 times [2019-11-28 17:57:13,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:57:13,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804792092] [2019-11-28 17:57:13,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:57:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:57:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:13,618 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804792092] [2019-11-28 17:57:13,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:57:13,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:57:13,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724187418] [2019-11-28 17:57:13,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:57:13,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:57:13,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:57:13,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:57:13,621 INFO L87 Difference]: Start difference. First operand 427 states and 1148 transitions. Second operand 3 states. [2019-11-28 17:57:13,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:57:13,641 INFO L93 Difference]: Finished difference Result 530 states and 1370 transitions. [2019-11-28 17:57:13,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:57:13,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-28 17:57:13,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:57:13,647 INFO L225 Difference]: With dead ends: 530 [2019-11-28 17:57:13,648 INFO L226 Difference]: Without dead ends: 508 [2019-11-28 17:57:13,649 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:57:13,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2019-11-28 17:57:13,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 468. [2019-11-28 17:57:13,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2019-11-28 17:57:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 1250 transitions. [2019-11-28 17:57:13,705 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 1250 transitions. Word has length 8 [2019-11-28 17:57:13,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:57:13,706 INFO L462 AbstractCegarLoop]: Abstraction has 468 states and 1250 transitions. [2019-11-28 17:57:13,706 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:57:13,707 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1250 transitions. [2019-11-28 17:57:13,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 17:57:13,708 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:57:13,708 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:57:13,709 INFO L410 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:57:13,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:57:13,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1708962860, now seen corresponding path program 1 times [2019-11-28 17:57:13,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:57:13,710 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909183597] [2019-11-28 17:57:13,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:57:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:57:13,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:13,786 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909183597] [2019-11-28 17:57:13,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:57:13,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:57:13,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679480136] [2019-11-28 17:57:13,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:57:13,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:57:13,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:57:13,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:57:13,788 INFO L87 Difference]: Start difference. First operand 468 states and 1250 transitions. Second operand 3 states. [2019-11-28 17:57:13,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:57:13,800 INFO L93 Difference]: Finished difference Result 504 states and 1343 transitions. [2019-11-28 17:57:13,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:57:13,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-11-28 17:57:13,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:57:13,805 INFO L225 Difference]: With dead ends: 504 [2019-11-28 17:57:13,805 INFO L226 Difference]: Without dead ends: 504 [2019-11-28 17:57:13,805 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:57:13,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2019-11-28 17:57:13,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2019-11-28 17:57:13,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2019-11-28 17:57:13,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 1343 transitions. [2019-11-28 17:57:13,823 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 1343 transitions. Word has length 10 [2019-11-28 17:57:13,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:57:13,824 INFO L462 AbstractCegarLoop]: Abstraction has 504 states and 1343 transitions. [2019-11-28 17:57:13,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:57:13,824 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1343 transitions. [2019-11-28 17:57:13,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 17:57:13,826 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:57:13,826 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:57:13,827 INFO L410 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:57:13,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:57:13,827 INFO L82 PathProgramCache]: Analyzing trace with hash -3357045, now seen corresponding path program 1 times [2019-11-28 17:57:13,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:57:13,828 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851537852] [2019-11-28 17:57:13,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:57:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:57:13,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:13,937 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851537852] [2019-11-28 17:57:13,937 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039436260] [2019-11-28 17:57:13,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:57:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:57:14,039 INFO L264 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 17:57:14,043 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:57:14,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:14,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:57:14,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2019-11-28 17:57:14,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467700519] [2019-11-28 17:57:14,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 17:57:14,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:57:14,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 17:57:14,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:57:14,076 INFO L87 Difference]: Start difference. First operand 504 states and 1343 transitions. Second operand 7 states. [2019-11-28 17:57:14,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:57:14,184 INFO L93 Difference]: Finished difference Result 940 states and 2424 transitions. [2019-11-28 17:57:14,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:57:14,185 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-11-28 17:57:14,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:57:14,191 INFO L225 Difference]: With dead ends: 940 [2019-11-28 17:57:14,192 INFO L226 Difference]: Without dead ends: 940 [2019-11-28 17:57:14,192 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:57:14,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2019-11-28 17:57:14,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 688. [2019-11-28 17:57:14,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2019-11-28 17:57:14,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1842 transitions. [2019-11-28 17:57:14,220 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1842 transitions. Word has length 14 [2019-11-28 17:57:14,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:57:14,221 INFO L462 AbstractCegarLoop]: Abstraction has 688 states and 1842 transitions. [2019-11-28 17:57:14,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 17:57:14,221 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1842 transitions. [2019-11-28 17:57:14,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 17:57:14,223 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:57:14,223 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:57:14,427 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:57:14,428 INFO L410 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:57:14,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:57:14,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1139287973, now seen corresponding path program 1 times [2019-11-28 17:57:14,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:57:14,430 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954886341] [2019-11-28 17:57:14,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:57:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:57:14,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:14,505 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954886341] [2019-11-28 17:57:14,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:57:14,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:57:14,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107201357] [2019-11-28 17:57:14,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:57:14,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:57:14,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:57:14,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:57:14,507 INFO L87 Difference]: Start difference. First operand 688 states and 1842 transitions. Second operand 3 states. [2019-11-28 17:57:14,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:57:14,531 INFO L93 Difference]: Finished difference Result 343 states and 775 transitions. [2019-11-28 17:57:14,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:57:14,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-28 17:57:14,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:57:14,534 INFO L225 Difference]: With dead ends: 343 [2019-11-28 17:57:14,534 INFO L226 Difference]: Without dead ends: 339 [2019-11-28 17:57:14,535 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:57:14,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2019-11-28 17:57:14,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 313. [2019-11-28 17:57:14,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2019-11-28 17:57:14,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 700 transitions. [2019-11-28 17:57:14,545 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 700 transitions. Word has length 16 [2019-11-28 17:57:14,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:57:14,546 INFO L462 AbstractCegarLoop]: Abstraction has 313 states and 700 transitions. [2019-11-28 17:57:14,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:57:14,546 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 700 transitions. [2019-11-28 17:57:14,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 17:57:14,548 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:57:14,548 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:57:14,548 INFO L410 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:57:14,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:57:14,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1937699080, now seen corresponding path program 1 times [2019-11-28 17:57:14,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:57:14,549 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990705311] [2019-11-28 17:57:14,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:57:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:57:14,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:14,641 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990705311] [2019-11-28 17:57:14,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:57:14,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:57:14,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032299353] [2019-11-28 17:57:14,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:57:14,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:57:14,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:57:14,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:57:14,643 INFO L87 Difference]: Start difference. First operand 313 states and 700 transitions. Second operand 5 states. [2019-11-28 17:57:14,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:57:14,718 INFO L93 Difference]: Finished difference Result 473 states and 1056 transitions. [2019-11-28 17:57:14,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:57:14,719 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-11-28 17:57:14,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:57:14,722 INFO L225 Difference]: With dead ends: 473 [2019-11-28 17:57:14,722 INFO L226 Difference]: Without dead ends: 473 [2019-11-28 17:57:14,723 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:57:14,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2019-11-28 17:57:14,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 351. [2019-11-28 17:57:14,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-11-28 17:57:14,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 791 transitions. [2019-11-28 17:57:14,736 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 791 transitions. Word has length 17 [2019-11-28 17:57:14,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:57:14,736 INFO L462 AbstractCegarLoop]: Abstraction has 351 states and 791 transitions. [2019-11-28 17:57:14,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:57:14,737 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 791 transitions. [2019-11-28 17:57:14,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-28 17:57:14,738 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:57:14,738 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:57:14,739 INFO L410 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:57:14,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:57:14,739 INFO L82 PathProgramCache]: Analyzing trace with hash -902853282, now seen corresponding path program 1 times [2019-11-28 17:57:14,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:57:14,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198062129] [2019-11-28 17:57:14,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:57:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:57:14,904 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:573) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:171) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:350) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 17:57:14,911 INFO L168 Benchmark]: Toolchain (without parser) took 7851.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.1 MB). Free memory was 951.0 MB in the beginning and 770.9 MB in the end (delta: 180.1 MB). Peak memory consumption was 365.2 MB. Max. memory is 11.5 GB. [2019-11-28 17:57:14,912 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:57:14,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1038.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -94.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:57:14,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:57:14,914 INFO L168 Benchmark]: Boogie Preprocessor took 33.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:57:14,915 INFO L168 Benchmark]: RCFGBuilder took 598.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2019-11-28 17:57:14,916 INFO L168 Benchmark]: TraceAbstraction took 6066.44 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 80.7 MB). Free memory was 1.0 GB in the beginning and 770.9 MB in the end (delta: 236.7 MB). Peak memory consumption was 317.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:57:14,920 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1038.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -94.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 598.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6066.44 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 80.7 MB). Free memory was 1.0 GB in the beginning and 770.9 MB in the end (delta: 236.7 MB). Peak memory consumption was 317.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.9s, 136 ProgramPointsBefore, 39 ProgramPointsAfterwards, 140 TransitionsBefore, 41 TransitionsAfterwards, 5952 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 3 ChoiceCompositions, 3274 VarBasedMoverChecksPositive, 65 VarBasedMoverChecksNegative, 34 SemBasedMoverChecksPositive, 54 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 6886 CheckedPairsTotal, 119 TotalNumberOfCompositions - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-11-28 17:57:17,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:57:17,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:57:17,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:57:17,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:57:17,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:57:17,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:57:17,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:57:17,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:57:17,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:57:17,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:57:17,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:57:17,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:57:17,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:57:17,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:57:17,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:57:17,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:57:17,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:57:17,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:57:17,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:57:17,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:57:17,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:57:17,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:57:17,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:57:17,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:57:17,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:57:17,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:57:17,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:57:17,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:57:17,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:57:17,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:57:17,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:57:17,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:57:17,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:57:17,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:57:17,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:57:17,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:57:17,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:57:17,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:57:17,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:57:17,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:57:17,095 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 17:57:17,123 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:57:17,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:57:17,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:57:17,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:57:17,125 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:57:17,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:57:17,126 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:57:17,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:57:17,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:57:17,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:57:17,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:57:17,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:57:17,127 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 17:57:17,128 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 17:57:17,128 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:57:17,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:57:17,129 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:57:17,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:57:17,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:57:17,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:57:17,130 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:57:17,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:57:17,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:57:17,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:57:17,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:57:17,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:57:17,131 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 17:57:17,132 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 17:57:17,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:57:17,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:57:17,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 17:57:17,133 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(__VERIFIER_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 -> 1ed568caba4b883b0886336a3869d78e2ca18840 [2019-11-28 17:57:17,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:57:17,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:57:17,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:57:17,481 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:57:17,481 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:57:17,482 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longest-1.i [2019-11-28 17:57:17,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f1bfa93a/12584f130243422ab1b8a4feff1ae1c3/FLAG1bf54be87 [2019-11-28 17:57:18,065 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:57:18,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longest-1.i [2019-11-28 17:57:18,096 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f1bfa93a/12584f130243422ab1b8a4feff1ae1c3/FLAG1bf54be87 [2019-11-28 17:57:18,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f1bfa93a/12584f130243422ab1b8a4feff1ae1c3 [2019-11-28 17:57:18,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:57:18,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:57:18,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:57:18,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:57:18,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:57:18,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:57:18" (1/1) ... [2019-11-28 17:57:18,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ad889a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:18, skipping insertion in model container [2019-11-28 17:57:18,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:57:18" (1/1) ... [2019-11-28 17:57:18,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:57:18,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:57:18,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:57:18,992 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:57:19,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:57:19,249 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:57:19,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:19 WrapperNode [2019-11-28 17:57:19,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:57:19,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:57:19,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:57:19,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:57:19,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:19" (1/1) ... [2019-11-28 17:57:19,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:19" (1/1) ... [2019-11-28 17:57:19,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:57:19,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:57:19,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:57:19,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:57:19,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:19" (1/1) ... [2019-11-28 17:57:19,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:19" (1/1) ... [2019-11-28 17:57:19,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:19" (1/1) ... [2019-11-28 17:57:19,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:19" (1/1) ... [2019-11-28 17:57:19,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:19" (1/1) ... [2019-11-28 17:57:19,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:19" (1/1) ... [2019-11-28 17:57:19,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:19" (1/1) ... [2019-11-28 17:57:19,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:57:19,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:57:19,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:57:19,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:57:19,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:57:19,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 17:57:19,511 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-11-28 17:57:19,511 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-11-28 17:57:19,511 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-11-28 17:57:19,512 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-11-28 17:57:19,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:57:19,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 17:57:19,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 17:57:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 17:57:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 17:57:19,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:57:19,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:57:19,515 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 17:57:20,059 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:57:20,060 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-11-28 17:57:20,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:57:20 BoogieIcfgContainer [2019-11-28 17:57:20,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:57:20,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:57:20,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:57:20,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:57:20,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:57:18" (1/3) ... [2019-11-28 17:57:20,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66dba8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:57:20, skipping insertion in model container [2019-11-28 17:57:20,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:57:19" (2/3) ... [2019-11-28 17:57:20,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66dba8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:57:20, skipping insertion in model container [2019-11-28 17:57:20,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:57:20" (3/3) ... [2019-11-28 17:57:20,070 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2019-11-28 17:57:20,080 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-28 17:57:20,081 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:57:20,088 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-28 17:57:20,089 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-11-28 17:57:20,125 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,125 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,127 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,127 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,128 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,128 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,128 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,128 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,129 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,129 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,129 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,130 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,130 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,130 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,131 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,131 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,132 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,132 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,132 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,133 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,133 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,133 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,133 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,134 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,134 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,134 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,134 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,135 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,135 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,135 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,136 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,136 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,136 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,137 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,137 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,138 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,138 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,138 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,139 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,140 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,140 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,140 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,141 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,141 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,141 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,141 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,142 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,142 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,143 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,144 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,144 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,145 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,145 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,145 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,146 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,147 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,147 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,147 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,147 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,147 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,149 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,149 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,149 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,150 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,151 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,152 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,152 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,152 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,152 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,153 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,153 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,153 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,154 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,154 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,154 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,154 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,154 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,155 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,155 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,155 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,156 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,156 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,157 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,158 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,158 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,159 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,159 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,159 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,159 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,160 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,160 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,160 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,161 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,164 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,164 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,165 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,165 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,165 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,166 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,167 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,167 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,167 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,167 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,168 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,168 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,175 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,175 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,176 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,176 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,177 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,177 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,178 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,178 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,178 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,178 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,178 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,178 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,179 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,179 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,179 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,179 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,179 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 17:57:20,208 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-28 17:57:20,228 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:57:20,228 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:57:20,228 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:57:20,229 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:57:20,229 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:57:20,229 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:57:20,229 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:57:20,229 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:57:20,245 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 136 transitions [2019-11-28 17:57:20,247 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 132 places, 136 transitions [2019-11-28 17:57:20,323 INFO L134 PetriNetUnfolder]: 10/136 cut-off events. [2019-11-28 17:57:20,324 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 17:57:20,334 INFO L76 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 136 events. 10/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 404 event pairs. 19/144 useless extension candidates. Maximal degree in co-relation 103. Up to 3 conditions per place. [2019-11-28 17:57:20,346 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 132 places, 136 transitions [2019-11-28 17:57:20,403 INFO L134 PetriNetUnfolder]: 10/136 cut-off events. [2019-11-28 17:57:20,404 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 17:57:20,408 INFO L76 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 136 events. 10/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 404 event pairs. 19/144 useless extension candidates. Maximal degree in co-relation 103. Up to 3 conditions per place. [2019-11-28 17:57:20,421 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5420 [2019-11-28 17:57:20,422 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-11-28 17:57:21,845 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-11-28 17:57:23,657 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-11-28 17:57:24,135 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-11-28 17:57:24,298 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-11-28 17:57:25,024 WARN L192 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-11-28 17:57:25,375 WARN L192 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-11-28 17:57:25,394 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7110 [2019-11-28 17:57:25,395 INFO L214 etLargeBlockEncoding]: Total number of compositions: 114 [2019-11-28 17:57:25,398 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 40 transitions [2019-11-28 17:57:25,429 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2019-11-28 17:57:25,431 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2019-11-28 17:57:25,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-28 17:57:25,438 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:57:25,439 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-28 17:57:25,439 INFO L410 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:57:25,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:57:25,445 INFO L82 PathProgramCache]: Analyzing trace with hash -729449954, now seen corresponding path program 1 times [2019-11-28 17:57:25,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 17:57:25,458 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1808725047] [2019-11-28 17:57:25,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 17:57:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:57:25,565 INFO L264 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 17:57:25,570 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:57:25,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:25,597 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 17:57:25,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:25,608 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1808725047] [2019-11-28 17:57:25,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:57:25,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-28 17:57:25,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16587864] [2019-11-28 17:57:25,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:57:25,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 17:57:25,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:57:25,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:57:25,636 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 4 states. [2019-11-28 17:57:25,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:57:25,763 INFO L93 Difference]: Finished difference Result 621 states and 1574 transitions. [2019-11-28 17:57:25,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:57:25,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-28 17:57:25,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:57:25,791 INFO L225 Difference]: With dead ends: 621 [2019-11-28 17:57:25,791 INFO L226 Difference]: Without dead ends: 599 [2019-11-28 17:57:25,793 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:57:25,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-11-28 17:57:25,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 467. [2019-11-28 17:57:25,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2019-11-28 17:57:25,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 1235 transitions. [2019-11-28 17:57:25,903 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 1235 transitions. Word has length 6 [2019-11-28 17:57:25,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:57:25,904 INFO L462 AbstractCegarLoop]: Abstraction has 467 states and 1235 transitions. [2019-11-28 17:57:25,904 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:57:25,904 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1235 transitions. [2019-11-28 17:57:25,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 17:57:25,907 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:57:25,907 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:57:26,115 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 17:57:26,115 INFO L410 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:57:26,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:57:26,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1868417737, now seen corresponding path program 1 times [2019-11-28 17:57:26,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 17:57:26,117 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [496764335] [2019-11-28 17:57:26,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 17:57:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:57:26,184 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 17:57:26,185 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:57:26,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:26,189 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 17:57:26,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:26,191 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [496764335] [2019-11-28 17:57:26,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:57:26,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 17:57:26,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80471922] [2019-11-28 17:57:26,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:57:26,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 17:57:26,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:57:26,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:57:26,194 INFO L87 Difference]: Start difference. First operand 467 states and 1235 transitions. Second operand 3 states. [2019-11-28 17:57:26,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:57:26,212 INFO L93 Difference]: Finished difference Result 670 states and 1736 transitions. [2019-11-28 17:57:26,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:57:26,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-28 17:57:26,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:57:26,218 INFO L225 Difference]: With dead ends: 670 [2019-11-28 17:57:26,218 INFO L226 Difference]: Without dead ends: 633 [2019-11-28 17:57:26,219 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:57:26,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2019-11-28 17:57:26,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 538. [2019-11-28 17:57:26,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-28 17:57:26,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1439 transitions. [2019-11-28 17:57:26,250 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1439 transitions. Word has length 8 [2019-11-28 17:57:26,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:57:26,251 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1439 transitions. [2019-11-28 17:57:26,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:57:26,251 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1439 transitions. [2019-11-28 17:57:26,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 17:57:26,252 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:57:26,253 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:57:26,461 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 17:57:26,462 INFO L410 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:57:26,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:57:26,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1217565814, now seen corresponding path program 1 times [2019-11-28 17:57:26,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 17:57:26,464 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271471227] [2019-11-28 17:57:26,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 17:57:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:57:26,556 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 17:57:26,557 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:57:26,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:26,561 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 17:57:26,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:26,576 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271471227] [2019-11-28 17:57:26,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:57:26,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-28 17:57:26,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288450571] [2019-11-28 17:57:26,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:57:26,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 17:57:26,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:57:26,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:57:26,578 INFO L87 Difference]: Start difference. First operand 538 states and 1439 transitions. Second operand 4 states. [2019-11-28 17:57:26,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:57:26,596 INFO L93 Difference]: Finished difference Result 586 states and 1566 transitions. [2019-11-28 17:57:26,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:57:26,596 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-28 17:57:26,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:57:26,601 INFO L225 Difference]: With dead ends: 586 [2019-11-28 17:57:26,601 INFO L226 Difference]: Without dead ends: 586 [2019-11-28 17:57:26,602 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:57:26,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2019-11-28 17:57:26,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 586. [2019-11-28 17:57:26,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2019-11-28 17:57:26,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 1566 transitions. [2019-11-28 17:57:26,627 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 1566 transitions. Word has length 10 [2019-11-28 17:57:26,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:57:26,628 INFO L462 AbstractCegarLoop]: Abstraction has 586 states and 1566 transitions. [2019-11-28 17:57:26,628 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:57:26,628 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1566 transitions. [2019-11-28 17:57:26,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 17:57:26,630 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:57:26,630 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:57:26,838 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 17:57:26,839 INFO L410 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:57:26,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:57:26,840 INFO L82 PathProgramCache]: Analyzing trace with hash 649921735, now seen corresponding path program 1 times [2019-11-28 17:57:26,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 17:57:26,841 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [696000052] [2019-11-28 17:57:26,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 17:57:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:57:26,940 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 17:57:26,941 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:57:26,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:26,977 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 17:57:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:27,022 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [696000052] [2019-11-28 17:57:27,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:57:27,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2019-11-28 17:57:27,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605201776] [2019-11-28 17:57:27,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 17:57:27,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 17:57:27,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 17:57:27,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:57:27,025 INFO L87 Difference]: Start difference. First operand 586 states and 1566 transitions. Second operand 8 states. [2019-11-28 17:57:27,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:57:27,335 INFO L93 Difference]: Finished difference Result 1620 states and 4198 transitions. [2019-11-28 17:57:27,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-28 17:57:27,335 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-11-28 17:57:27,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:57:27,348 INFO L225 Difference]: With dead ends: 1620 [2019-11-28 17:57:27,349 INFO L226 Difference]: Without dead ends: 1620 [2019-11-28 17:57:27,350 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2019-11-28 17:57:27,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2019-11-28 17:57:27,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1227. [2019-11-28 17:57:27,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2019-11-28 17:57:27,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 3343 transitions. [2019-11-28 17:57:27,404 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 3343 transitions. Word has length 14 [2019-11-28 17:57:27,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:57:27,406 INFO L462 AbstractCegarLoop]: Abstraction has 1227 states and 3343 transitions. [2019-11-28 17:57:27,406 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 17:57:27,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 3343 transitions. [2019-11-28 17:57:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 17:57:27,415 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:57:27,415 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:57:27,628 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 17:57:27,629 INFO L410 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:57:27,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:57:27,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1046552749, now seen corresponding path program 1 times [2019-11-28 17:57:27,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 17:57:27,630 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [957926742] [2019-11-28 17:57:27,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-28 17:57:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:57:27,732 INFO L264 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 17:57:27,734 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:57:27,765 INFO L377 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 [2019-11-28 17:57:27,765 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 17:57:27,768 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 17:57:27,768 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 17:57:27,768 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-11-28 17:57:27,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:27,782 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 17:57:27,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:27,788 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [957926742] [2019-11-28 17:57:27,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:57:27,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-11-28 17:57:27,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549276018] [2019-11-28 17:57:27,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:57:27,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 17:57:27,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:57:27,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:57:27,789 INFO L87 Difference]: Start difference. First operand 1227 states and 3343 transitions. Second operand 3 states. [2019-11-28 17:57:27,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:57:27,832 INFO L93 Difference]: Finished difference Result 573 states and 1303 transitions. [2019-11-28 17:57:27,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:57:27,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 17:57:27,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:57:27,837 INFO L225 Difference]: With dead ends: 573 [2019-11-28 17:57:27,837 INFO L226 Difference]: Without dead ends: 561 [2019-11-28 17:57:27,837 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:57:27,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2019-11-28 17:57:27,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 475. [2019-11-28 17:57:27,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2019-11-28 17:57:27,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 1066 transitions. [2019-11-28 17:57:27,854 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 1066 transitions. Word has length 20 [2019-11-28 17:57:27,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:57:27,855 INFO L462 AbstractCegarLoop]: Abstraction has 475 states and 1066 transitions. [2019-11-28 17:57:27,855 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:57:27,855 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1066 transitions. [2019-11-28 17:57:27,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-28 17:57:27,856 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:57:27,856 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:57:28,069 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 17:57:28,069 INFO L410 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:57:28,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:57:28,070 INFO L82 PathProgramCache]: Analyzing trace with hash 2072136255, now seen corresponding path program 1 times [2019-11-28 17:57:28,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 17:57:28,071 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429644758] [2019-11-28 17:57:28,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-28 17:57:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:57:28,148 INFO L264 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-28 17:57:28,149 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:57:28,265 INFO L377 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 15 treesize of output 11 [2019-11-28 17:57:28,266 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 17:57:28,280 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 17:57:28,281 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 17:57:28,281 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2019-11-28 17:57:28,496 INFO L377 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 [2019-11-28 17:57:28,496 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 17:57:28,498 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 17:57:28,499 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 17:57:28,499 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2019-11-28 17:57:28,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:28,531 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 17:57:28,987 INFO L377 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 54 treesize of output 46 [2019-11-28 17:57:28,988 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2019-11-28 17:57:29,032 INFO L614 ElimStorePlain]: treesize reduction 17, result has 55.3 percent of original size [2019-11-28 17:57:29,032 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-11-28 17:57:29,033 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:21 [2019-11-28 17:57:29,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:57:29,256 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429644758] [2019-11-28 17:57:29,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:57:29,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 24 [2019-11-28 17:57:29,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872021421] [2019-11-28 17:57:29,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-11-28 17:57:29,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 17:57:29,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-11-28 17:57:29,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=536, Unknown=0, NotChecked=0, Total=600 [2019-11-28 17:57:29,258 INFO L87 Difference]: Start difference. First operand 475 states and 1066 transitions. Second operand 25 states. [2019-11-28 17:57:34,236 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-11-28 17:57:38,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:57:38,322 INFO L93 Difference]: Finished difference Result 1587 states and 3497 transitions. [2019-11-28 17:57:38,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2019-11-28 17:57:38,323 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 21 [2019-11-28 17:57:38,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:57:38,333 INFO L225 Difference]: With dead ends: 1587 [2019-11-28 17:57:38,334 INFO L226 Difference]: Without dead ends: 1587 [2019-11-28 17:57:38,336 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1380 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=728, Invalid=4528, Unknown=0, NotChecked=0, Total=5256 [2019-11-28 17:57:38,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2019-11-28 17:57:38,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 637. [2019-11-28 17:57:38,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2019-11-28 17:57:38,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 1473 transitions. [2019-11-28 17:57:38,361 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 1473 transitions. Word has length 21 [2019-11-28 17:57:38,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:57:38,361 INFO L462 AbstractCegarLoop]: Abstraction has 637 states and 1473 transitions. [2019-11-28 17:57:38,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-11-28 17:57:38,362 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1473 transitions. [2019-11-28 17:57:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:57:38,363 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:57:38,363 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:57:38,578 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 17:57:38,584 INFO L410 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:57:38,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:57:38,584 INFO L82 PathProgramCache]: Analyzing trace with hash -552149024, now seen corresponding path program 1 times [2019-11-28 17:57:38,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 17:57:38,585 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791331667] [2019-11-28 17:57:38,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-28 17:57:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 17:57:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 17:57:38,817 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 17:57:38,817 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 17:57:39,031 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-28 17:57:39,036 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [530] [530] ULTIMATE.startENTRY-->L1000-1: Formula: (let ((.cse5 (store |v_#valid_67| (_ bv0 32) (_ bv0 1)))) (let ((.cse7 (store .cse5 |v_#t~string35.base_4| (_ bv1 1)))) (let ((.cse1 (store .cse7 |v_#t~string39.base_5| (_ bv1 1)))) (let ((.cse6 (store .cse1 |v_~#arr~0.base_32| (_ bv1 1)))) (let ((.cse2 (store |v_#memory_int_84| |v_~#arr~0.base_32| ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (.cse4 (store .cse6 |v_~#m~0.base_85| (_ bv1 1)))) (let ((.cse3 (store .cse4 |v_ULTIMATE.start_main_~#id1~0.base_24| (_ bv1 1))) (.cse0 (select .cse2 |v_~#m~0.base_85|))) (and (= v_~top~0_125 (_ bv0 32)) (= roundNearestTiesToEven v_currentRoundingMode_5) (bvult |v_#StackHeapBarrier_23| |v_~#arr~0.base_32|) (= |v_#pthreadsMutex_187| (store |v_#pthreadsMutex_188| |v_~#m~0.base_85| (store (select |v_#pthreadsMutex_188| |v_~#m~0.base_85|) |v_~#m~0.offset_85| (_ bv0 1)))) (= (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv16 32))) (_ bv0 32)) (= (_ bv0 32) (select .cse0 |v_~#m~0.offset_85|)) (= (_ bv0 32) |v_#NULL.offset_5|) (= |v_#NULL.base_5| (_ bv0 32)) (= |v_ULTIMATE.start_main_~#id2~0.offset_23| (_ bv0 32)) (= (_ bv0 1) (select .cse1 |v_~#arr~0.base_32|)) (bvult |v_#StackHeapBarrier_23| |v_#t~string39.base_5|) (= (store .cse2 |v_ULTIMATE.start_main_~#id1~0.base_24| (store (select .cse2 |v_ULTIMATE.start_main_~#id1~0.base_24|) |v_ULTIMATE.start_main_~#id1~0.offset_21| (_ bv0 32))) |v_#memory_int_83|) (= (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv4 32)))) (bvult (_ bv0 32) |v_#StackHeapBarrier_23|) (= (store .cse3 |v_ULTIMATE.start_main_~#id2~0.base_26| (_ bv1 1)) |v_#valid_65|) (bvult |v_#StackHeapBarrier_23| |v_~#m~0.base_85|) (= |v_~#arr~0.offset_28| (_ bv0 32)) (bvult |v_#StackHeapBarrier_23| |v_ULTIMATE.start_main_~#id2~0.base_26|) (= (_ bv0 8) v_~flag~0_68) (= (select .cse4 |v_ULTIMATE.start_main_~#id1~0.base_24|) (_ bv0 1)) (= |v_ULTIMATE.start_main_~#id1~0.offset_21| (_ bv0 32)) (= |v_#length_43| (store (store (store (store (store (store |v_#length_45| |v_#t~string35.base_4| (_ bv16 32)) |v_#t~string39.base_5| (_ bv17 32)) |v_~#arr~0.base_32| (_ bv3200 32)) |v_~#m~0.base_85| (_ bv24 32)) |v_ULTIMATE.start_main_~#id1~0.base_24| (_ bv4 32)) |v_ULTIMATE.start_main_~#id2~0.base_26| (_ bv4 32))) (bvult |v_#StackHeapBarrier_23| |v_ULTIMATE.start_main_~#id1~0.base_24|) (= (_ bv0 32) |v_~#m~0.offset_85|) (= (select .cse3 |v_ULTIMATE.start_main_~#id2~0.base_26|) (_ bv0 1)) (= (select .cse5 |v_#t~string35.base_4|) (_ bv0 1)) (= (_ bv0 32) |v_#t~string35.offset_4|) (= (select .cse6 |v_~#m~0.base_85|) (_ bv0 1)) (= (_ bv0 32) (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv12 32)))) (= |v_#t~string39.offset_5| (_ bv0 32)) (= (select .cse7 |v_#t~string39.base_5|) (_ bv0 1)) (bvult |v_#StackHeapBarrier_23| |v_#t~string35.base_4|)))))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_188|, #StackHeapBarrier=|v_#StackHeapBarrier_23|, #valid=|v_#valid_67|, #memory_int=|v_#memory_int_84|, #length=|v_#length_45|} OutVars{ULTIMATE.start_main_~#id1~0.base=|v_ULTIMATE.start_main_~#id1~0.base_24|, #t~string35.offset=|v_#t~string35.offset_4|, ~flag~0=v_~flag~0_68, #t~string39.base=|v_#t~string39.base_5|, #NULL.offset=|v_#NULL.offset_5|, ~top~0=v_~top~0_125, ULTIMATE.start_main_#t~nondet50=|v_ULTIMATE.start_main_#t~nondet50_13|, ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_26|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_23|, #t~string39.offset=|v_#t~string39.offset_5|, #length=|v_#length_43|, ULTIMATE.start_main_#t~nondet49=|v_ULTIMATE.start_main_#t~nondet49_13|, ~#arr~0.base=|v_~#arr~0.base_32|, #pthreadsMutex=|v_#pthreadsMutex_187|, ~#arr~0.offset=|v_~#arr~0.offset_28|, ULTIMATE.start_main_#t~mem52=|v_ULTIMATE.start_main_#t~mem52_13|, ULTIMATE.start_main_#t~mem51=|v_ULTIMATE.start_main_#t~mem51_18|, #t~string35.base=|v_#t~string35.base_4|, #NULL.base=|v_#NULL.base_5|, ~#m~0.base=|v_~#m~0.base_85|, #StackHeapBarrier=|v_#StackHeapBarrier_23|, ~#m~0.offset=|v_~#m~0.offset_85|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_65|, #memory_int=|v_#memory_int_83|, ULTIMATE.start_main_~#id1~0.offset=|v_ULTIMATE.start_main_~#id1~0.offset_21|, currentRoundingMode=v_currentRoundingMode_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~#id1~0.base, #t~string35.offset, ~flag~0, #t~string39.base, #NULL.offset, ~top~0, ULTIMATE.start_main_#t~nondet50, ULTIMATE.start_main_~#id2~0.base, ULTIMATE.start_main_~#id2~0.offset, #t~string39.offset, #length, ULTIMATE.start_main_#t~nondet49, ~#arr~0.base, #pthreadsMutex, ~#arr~0.offset, ULTIMATE.start_main_#t~mem52, ULTIMATE.start_main_#t~mem51, #t~string35.base, #NULL.base, ~#m~0.base, ~#m~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#id1~0.offset, currentRoundingMode] because there is no mapped edge [2019-11-28 17:57:39,037 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [421] [421] L1000-2-->L1001-1: Formula: (= |v_#memory_int_17| (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#id2~0.base_7| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#id2~0.base_7|) |v_ULTIMATE.start_main_~#id2~0.offset_7| (_ bv1 32)))) InVars {ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_7|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_7|, #memory_int=|v_#memory_int_18|} OutVars{ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_7|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_7|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_#t~nondet49=|v_ULTIMATE.start_main_#t~nondet49_3|} AuxVars[] AssignedVars[#memory_int, ULTIMATE.start_main_#t~nondet49] because there is no mapped edge [2019-11-28 17:57:39,037 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [470] [470] t1ENTRY-->L969-6: Formula: (and (= (_ bv0 32) v_t1Thread1of1ForFork0_~i~0_13) (= v_t1Thread1of1ForFork0_~arg.base_3 |v_t1Thread1of1ForFork0_#in~arg.base_5|) (= v_t1Thread1of1ForFork0_~arg.offset_3 |v_t1Thread1of1ForFork0_#in~arg.offset_5|)) InVars {t1Thread1of1ForFork0_#in~arg.base=|v_t1Thread1of1ForFork0_#in~arg.base_5|, t1Thread1of1ForFork0_#in~arg.offset=|v_t1Thread1of1ForFork0_#in~arg.offset_5|} OutVars{t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_13, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_8, t1Thread1of1ForFork0_~arg.base=v_t1Thread1of1ForFork0_~arg.base_3, t1Thread1of1ForFork0_#in~arg.base=|v_t1Thread1of1ForFork0_#in~arg.base_5|, t1Thread1of1ForFork0_~arg.offset=v_t1Thread1of1ForFork0_~arg.offset_3, t1Thread1of1ForFork0_#in~arg.offset=|v_t1Thread1of1ForFork0_#in~arg.offset_5|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_~i~0, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_~arg.base, t1Thread1of1ForFork0_~arg.offset] because there is no mapped edge [2019-11-28 17:57:39,037 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [518] [518] L969-6-->L974-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_119| |v_~#m~0.base_58|))) (and (not (= (ite (bvult v_t1Thread1of1ForFork0_~tmp~0_11 (_ bv800 32)) (_ bv1 32) (_ bv0 32)) (_ bv0 32))) (= |v_~#arr~0.offset_11| |v_t1Thread1of1ForFork0_push_#in~stack.offset_12|) (bvslt v_t1Thread1of1ForFork0_~i~0_43 (_ bv800 32)) (= |v_t1Thread1of1ForFork0_push_#in~stack.base_12| |v_~#arr~0.base_15|) (= |v_t1Thread1of1ForFork0_#t~nondet44_10| v_t1Thread1of1ForFork0_~tmp~0_11) (= (store |v_#pthreadsMutex_119| |v_~#m~0.base_58| (store .cse0 |v_~#m~0.offset_58| (_ bv1 1))) |v_#pthreadsMutex_118|) (= v_t1Thread1of1ForFork0_~tmp~0_11 |v_t1Thread1of1ForFork0_push_#in~x_13|) (= (_ bv0 1) (select .cse0 |v_~#m~0.offset_58|)))) InVars {~#arr~0.offset=|v_~#arr~0.offset_11|, #pthreadsMutex=|v_#pthreadsMutex_119|, ~#m~0.base=|v_~#m~0.base_58|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_43, ~#m~0.offset=|v_~#m~0.offset_58|, ~#arr~0.base=|v_~#arr~0.base_15|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_10|} OutVars{~#arr~0.offset=|v_~#arr~0.offset_11|, t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_13|, #pthreadsMutex=|v_#pthreadsMutex_118|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_43, t1Thread1of1ForFork0_push_#res=|v_t1Thread1of1ForFork0_push_#res_25|, ~#m~0.base=|v_~#m~0.base_58|, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_12|, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_11, ~#m~0.offset=|v_~#m~0.offset_58|, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_12|, ~#arr~0.base=|v_~#arr~0.base_15|, t1Thread1of1ForFork0_#t~nondet43=|v_t1Thread1of1ForFork0_#t~nondet43_22|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_9|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, #pthreadsMutex, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#in~stack.offset, t1Thread1of1ForFork0_#t~nondet43, t1Thread1of1ForFork0_#t~nondet44] because there is no mapped edge [2019-11-28 17:57:39,038 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [501] [501] t2ENTRY-->L984-6: Formula: (and (= (_ bv0 32) v_t2Thread1of1ForFork1_~i~1_21) (= v_t2Thread1of1ForFork1_~arg.base_2 |v_t2Thread1of1ForFork1_#in~arg.base_4|) (= v_t2Thread1of1ForFork1_~arg.offset_2 |v_t2Thread1of1ForFork1_#in~arg.offset_4|)) InVars {t2Thread1of1ForFork1_#in~arg.base=|v_t2Thread1of1ForFork1_#in~arg.base_4|, t2Thread1of1ForFork1_#in~arg.offset=|v_t2Thread1of1ForFork1_#in~arg.offset_4|} OutVars{t2Thread1of1ForFork1_#in~arg.base=|v_t2Thread1of1ForFork1_#in~arg.base_4|, t2Thread1of1ForFork1_~arg.base=v_t2Thread1of1ForFork1_~arg.base_2, t2Thread1of1ForFork1_~arg.offset=v_t2Thread1of1ForFork1_~arg.offset_2, t2Thread1of1ForFork1_#in~arg.offset=|v_t2Thread1of1ForFork1_#in~arg.offset_4|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_21} AuxVars[] AssignedVars[t2Thread1of1ForFork1_~arg.base, t2Thread1of1ForFork1_~arg.offset, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2019-11-28 17:57:39,038 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [508] [508] L974-2-->L931: Formula: (and (not (= v_~top~0_75 (_ bv800 32))) (= v_t1Thread1of1ForFork0_push_~stack.offset_20 |v_t1Thread1of1ForFork0_push_#in~stack.offset_8|) (= |v_t1Thread1of1ForFork0_push_#in~x_9| v_t1Thread1of1ForFork0_push_~x_22) (= |v_t1Thread1of1ForFork0_push_#in~stack.base_8| v_t1Thread1of1ForFork0_push_~stack.base_20)) InVars {t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_9|, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_8|, ~top~0=v_~top~0_75, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_8|} OutVars{t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_9|, t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_20, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_8|, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_22, t1Thread1of1ForFork0_push_#t~nondet34=|v_t1Thread1of1ForFork0_push_#t~nondet34_6|, t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_11|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_20, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_31|, ~top~0=v_~top~0_75, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_8|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_~stack.base, t1Thread1of1ForFork0_push_~x, t1Thread1of1ForFork0_push_#t~nondet34, t1Thread1of1ForFork0_get_top_#res, t1Thread1of1ForFork0_push_~stack.offset, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-11-28 17:57:39,038 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [453] [453] L931-->L946-1: Formula: (and (= v_~top~0_30 |v_t1Thread1of1ForFork0_get_top_#res_7|) (= |v_t1Thread1of1ForFork0_push_#t~ret36_6| |v_t1Thread1of1ForFork0_get_top_#res_7|)) InVars {~top~0=v_~top~0_30} OutVars{t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_7|, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_6|, ~top~0=v_~top~0_30} AuxVars[] AssignedVars[t1Thread1of1ForFork0_get_top_#res, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-11-28 17:57:39,038 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [487] [487] L946-1-->L923: Formula: (= |v_#memory_int_41| (store |v_#memory_int_42| v_t1Thread1of1ForFork0_push_~stack.base_13 (store (select |v_#memory_int_42| v_t1Thread1of1ForFork0_push_~stack.base_13) (bvadd (bvmul |v_t1Thread1of1ForFork0_push_#t~ret36_18| (_ bv4 32)) v_t1Thread1of1ForFork0_push_~stack.offset_13) v_t1Thread1of1ForFork0_push_~x_15))) InVars {t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_13, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_15, #memory_int=|v_#memory_int_42|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_13, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_18|} OutVars{t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_13, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_15, t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_36|, #memory_int=|v_#memory_int_41|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_13, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_17|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_inc_top_#t~post31, #memory_int, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-11-28 17:57:39,039 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [471] [471] L923-1-->L974-3: Formula: (and (= v_~top~0_35 (bvadd |v_t1Thread1of1ForFork0_inc_top_#t~post31_15| (_ bv1 32))) (= (_ bv0 32) |v_t1Thread1of1ForFork0_push_#res_7|) (= |v_t1Thread1of1ForFork0_#t~ret45_10| |v_t1Thread1of1ForFork0_push_#res_7|)) InVars {t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_15|} OutVars{t1Thread1of1ForFork0_#t~ret45=|v_t1Thread1of1ForFork0_#t~ret45_10|, t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_14|, t1Thread1of1ForFork0_push_#res=|v_t1Thread1of1ForFork0_push_#res_7|, ~top~0=v_~top~0_35} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret45, t1Thread1of1ForFork0_inc_top_#t~post31, t1Thread1of1ForFork0_push_#res, ~top~0] because there is no mapped edge [2019-11-28 17:57:39,039 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [517] [517] L974-3-->L977: Formula: (and (not (= (_ bv4294967295 32) |t1Thread1of1ForFork0_#t~ret45_In352896798|)) (= ~flag~0_Out352896798 (_ bv1 8))) InVars {t1Thread1of1ForFork0_#t~ret45=|t1Thread1of1ForFork0_#t~ret45_In352896798|} OutVars{t1Thread1of1ForFork0_#t~ret45=|t1Thread1of1ForFork0_#t~ret45_Out352896798|, ~flag~0=~flag~0_Out352896798} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret45, ~flag~0] because there is no mapped edge [2019-11-28 17:57:39,040 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [524] [524] L977-->L969-6: Formula: (and (= (bvadd v_t1Thread1of1ForFork0_~i~0_54 (_ bv4294967295 32)) v_t1Thread1of1ForFork0_~i~0_55) (= (store |v_#pthreadsMutex_156| |v_~#m~0.base_73| (store (select |v_#pthreadsMutex_156| |v_~#m~0.base_73|) |v_~#m~0.offset_73| (_ bv0 1))) |v_#pthreadsMutex_155|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_156|, ~#m~0.base=|v_~#m~0.base_73|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_55, ~#m~0.offset=|v_~#m~0.offset_73|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_155|, ~#m~0.base=|v_~#m~0.base_73|, t1Thread1of1ForFork0_#t~post42=|v_t1Thread1of1ForFork0_#t~post42_23|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_54, ~#m~0.offset=|v_~#m~0.offset_73|} AuxVars[] AssignedVars[#pthreadsMutex, t1Thread1of1ForFork0_#t~post42, t1Thread1of1ForFork0_~i~0] because there is no mapped edge [2019-11-28 17:57:39,040 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [463] [463] L984-6-->L986-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_26| |v_~#m~0.base_21|))) (and (= (select .cse0 |v_~#m~0.offset_21|) (_ bv0 1)) (= |v_t2Thread1of1ForFork1_#t~nondet47_7| (_ bv0 32)) (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#m~0.base_21| (store .cse0 |v_~#m~0.offset_21| (_ bv1 1)))) (bvslt v_t2Thread1of1ForFork1_~i~1_12 (_ bv800 32)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_7|, #pthreadsMutex=|v_#pthreadsMutex_25|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, #pthreadsMutex] because there is no mapped edge [2019-11-28 17:57:39,040 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [526] [526] L986-1-->L953-3: Formula: (and (not (= (_ bv0 8) v_~flag~0_54)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.base_13| |v_~#arr~0.base_19|) (= |v_t2Thread1of1ForFork1_get_top_#res_46| |v_t2Thread1of1ForFork1_pop_#t~ret37_35|) (= v_t2Thread1of1ForFork1_pop_~stack.base_27 |v_t2Thread1of1ForFork1_pop_#in~stack.base_13|) (not (= (_ bv0 32) |v_t2Thread1of1ForFork1_pop_#t~ret37_35|)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_13| |v_~#arr~0.offset_15|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_13| v_t2Thread1of1ForFork1_pop_~stack.offset_27) (= v_~top~0_110 |v_t2Thread1of1ForFork1_get_top_#res_46|)) InVars {~#arr~0.offset=|v_~#arr~0.offset_15|, ~flag~0=v_~flag~0_54, ~top~0=v_~top~0_110, ~#arr~0.base=|v_~#arr~0.base_19|} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_45|, t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_27, ~#arr~0.offset=|v_~#arr~0.offset_15|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_24|, ~flag~0=v_~flag~0_54, t2Thread1of1ForFork1_pop_#in~stack.offset=|v_t2Thread1of1ForFork1_pop_#in~stack.offset_13|, ~top~0=v_~top~0_110, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_35|, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_46|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_29|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_27|, t2Thread1of1ForFork1_pop_#t~nondet38=|v_t2Thread1of1ForFork1_pop_#t~nondet38_14|, t2Thread1of1ForFork1_pop_#in~stack.base=|v_t2Thread1of1ForFork1_pop_#in~stack.base_13|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_27, ~#arr~0.base=|v_~#arr~0.base_19|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, t2Thread1of1ForFork1_pop_~stack.offset, t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_pop_#t~nondet38, t2Thread1of1ForFork1_pop_#in~stack.offset, t2Thread1of1ForFork1_pop_#in~stack.base, t2Thread1of1ForFork1_pop_~stack.base, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-11-28 17:57:39,040 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [482] [482] L953-3-->L927-1: Formula: (= v_~top~0_55 |v_t2Thread1of1ForFork1_dec_top_#t~post32_27|) InVars {~top~0=v_~top~0_55} OutVars{t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_27|, ~top~0=v_~top~0_55, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_15|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_dec_top_#t~post32, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-11-28 17:57:39,041 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [443] [443] L927-1-->L925: Formula: (= v_~top~0_22 (bvadd |v_t2Thread1of1ForFork1_dec_top_#t~post32_12| (_ bv4294967295 32))) InVars {t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_12|} OutVars{t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_11|, ~top~0=v_~top~0_22} AuxVars[] AssignedVars[t2Thread1of1ForFork1_dec_top_#t~post32, ~top~0] because there is no mapped edge [2019-11-28 17:57:39,041 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [415] [415] L925-->L931-3: Formula: (= v_~top~0_11 |v_t2Thread1of1ForFork1_get_top_#res_7|) InVars {~top~0=v_~top~0_11} OutVars{t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_7|, ~top~0=v_~top~0_11} AuxVars[] AssignedVars[t2Thread1of1ForFork1_get_top_#res] because there is no mapped edge [2019-11-28 17:57:39,041 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [512] [512] L931-3-->L989-3: Formula: (and (= |v_t2Thread1of1ForFork1_pop_#res_13| (select (select |v_#memory_int_67| v_t2Thread1of1ForFork1_pop_~stack.base_13) (bvadd (bvmul |v_t2Thread1of1ForFork1_get_top_#res_35| (_ bv4 32)) v_t2Thread1of1ForFork1_pop_~stack.offset_13))) (= |v_t2Thread1of1ForFork1_#t~ret48_31| |v_t2Thread1of1ForFork1_pop_#res_13|)) InVars {t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_13, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_35|, #memory_int=|v_#memory_int_67|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_13} OutVars{t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_13, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_35|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_31|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_13|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_18|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_16|, #memory_int=|v_#memory_int_67|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_13} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40] because there is no mapped edge [2019-11-28 17:57:39,041 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [527] [527] L989-3-->L984-6: Formula: (and (not (= (_ bv4294967294 32) |t2Thread1of1ForFork1_#t~ret48_In-1127549279|)) (= t2Thread1of1ForFork1_~i~1_In-1127549279 (bvadd t2Thread1of1ForFork1_~i~1_Out-1127549279 (_ bv4294967295 32))) (= (store |#pthreadsMutex_In-1127549279| |~#m~0.base_In-1127549279| (store (select |#pthreadsMutex_In-1127549279| |~#m~0.base_In-1127549279|) |~#m~0.offset_In-1127549279| (_ bv0 1))) |#pthreadsMutex_Out-1127549279|)) InVars {#pthreadsMutex=|#pthreadsMutex_In-1127549279|, ~#m~0.base=|~#m~0.base_In-1127549279|, t2Thread1of1ForFork1_#t~ret48=|t2Thread1of1ForFork1_#t~ret48_In-1127549279|, ~#m~0.offset=|~#m~0.offset_In-1127549279|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In-1127549279} OutVars{#pthreadsMutex=|#pthreadsMutex_Out-1127549279|, ~#m~0.base=|~#m~0.base_In-1127549279|, t2Thread1of1ForFork1_#t~ret48=|t2Thread1of1ForFork1_#t~ret48_Out-1127549279|, ~#m~0.offset=|~#m~0.offset_In-1127549279|, t2Thread1of1ForFork1_#t~post46=|t2Thread1of1ForFork1_#t~post46_Out-1127549279|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out-1127549279} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_#t~post46, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2019-11-28 17:57:39,042 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [463] [463] L984-6-->L986-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_26| |v_~#m~0.base_21|))) (and (= (select .cse0 |v_~#m~0.offset_21|) (_ bv0 1)) (= |v_t2Thread1of1ForFork1_#t~nondet47_7| (_ bv0 32)) (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#m~0.base_21| (store .cse0 |v_~#m~0.offset_21| (_ bv1 1)))) (bvslt v_t2Thread1of1ForFork1_~i~1_12 (_ bv800 32)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_7|, #pthreadsMutex=|v_#pthreadsMutex_25|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, #pthreadsMutex] because there is no mapped edge [2019-11-28 17:57:39,042 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [529] [529] L986-1-->L989-3: Formula: (and (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_22| |v_~#arr~0.offset_27|) (= v_t2Thread1of1ForFork1_pop_~stack.base_37 |v_t2Thread1of1ForFork1_pop_#in~stack.base_22|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.base_22| |v_~#arr~0.base_31|) (= |v_t2Thread1of1ForFork1_pop_#res_33| (_ bv4294967294 32)) (= |v_t2Thread1of1ForFork1_get_top_#res_55| (_ bv0 32)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_22| v_t2Thread1of1ForFork1_pop_~stack.offset_37) (= v_~top~0_124 |v_t2Thread1of1ForFork1_get_top_#res_55|) (not (= (_ bv0 8) v_~flag~0_67)) (= |v_t2Thread1of1ForFork1_#t~ret48_46| |v_t2Thread1of1ForFork1_pop_#res_33|)) InVars {~#arr~0.offset=|v_~#arr~0.offset_27|, ~flag~0=v_~flag~0_67, ~top~0=v_~top~0_124, ~#arr~0.base=|v_~#arr~0.base_31|} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_58|, t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_37, ~#arr~0.offset=|v_~#arr~0.offset_27|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_46|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_33|, ~flag~0=v_~flag~0_67, t2Thread1of1ForFork1_pop_#in~stack.offset=|v_t2Thread1of1ForFork1_pop_#in~stack.offset_22|, ~top~0=v_~top~0_124, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_45|, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_55|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_36|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_34|, t2Thread1of1ForFork1_pop_#t~nondet38=|v_t2Thread1of1ForFork1_pop_#t~nondet38_23|, t2Thread1of1ForFork1_pop_#in~stack.base=|v_t2Thread1of1ForFork1_pop_#in~stack.base_22|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_37, ~#arr~0.base=|v_~#arr~0.base_31|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, t2Thread1of1ForFork1_pop_~stack.offset, t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_pop_#t~nondet38, t2Thread1of1ForFork1_pop_#in~stack.offset, t2Thread1of1ForFork1_pop_#in~stack.base, t2Thread1of1ForFork1_pop_~stack.base, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-11-28 17:57:39,042 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [488] [488] L989-3-->t2Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (= |v_t2Thread1of1ForFork1_#t~ret48_18| (_ bv4294967294 32)) InVars {t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_18|} OutVars{t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_17|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~ret48] because there is no mapped edge [2019-11-28 17:57:39,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:57:39 BasicIcfg [2019-11-28 17:57:39,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:57:39,060 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:57:39,060 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:57:39,060 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:57:39,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:57:20" (3/4) ... [2019-11-28 17:57:39,065 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 17:57:39,065 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [530] [530] ULTIMATE.startENTRY-->L1000-1: Formula: (let ((.cse5 (store |v_#valid_67| (_ bv0 32) (_ bv0 1)))) (let ((.cse7 (store .cse5 |v_#t~string35.base_4| (_ bv1 1)))) (let ((.cse1 (store .cse7 |v_#t~string39.base_5| (_ bv1 1)))) (let ((.cse6 (store .cse1 |v_~#arr~0.base_32| (_ bv1 1)))) (let ((.cse2 (store |v_#memory_int_84| |v_~#arr~0.base_32| ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (.cse4 (store .cse6 |v_~#m~0.base_85| (_ bv1 1)))) (let ((.cse3 (store .cse4 |v_ULTIMATE.start_main_~#id1~0.base_24| (_ bv1 1))) (.cse0 (select .cse2 |v_~#m~0.base_85|))) (and (= v_~top~0_125 (_ bv0 32)) (= roundNearestTiesToEven v_currentRoundingMode_5) (bvult |v_#StackHeapBarrier_23| |v_~#arr~0.base_32|) (= |v_#pthreadsMutex_187| (store |v_#pthreadsMutex_188| |v_~#m~0.base_85| (store (select |v_#pthreadsMutex_188| |v_~#m~0.base_85|) |v_~#m~0.offset_85| (_ bv0 1)))) (= (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv16 32))) (_ bv0 32)) (= (_ bv0 32) (select .cse0 |v_~#m~0.offset_85|)) (= (_ bv0 32) |v_#NULL.offset_5|) (= |v_#NULL.base_5| (_ bv0 32)) (= |v_ULTIMATE.start_main_~#id2~0.offset_23| (_ bv0 32)) (= (_ bv0 1) (select .cse1 |v_~#arr~0.base_32|)) (bvult |v_#StackHeapBarrier_23| |v_#t~string39.base_5|) (= (store .cse2 |v_ULTIMATE.start_main_~#id1~0.base_24| (store (select .cse2 |v_ULTIMATE.start_main_~#id1~0.base_24|) |v_ULTIMATE.start_main_~#id1~0.offset_21| (_ bv0 32))) |v_#memory_int_83|) (= (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv4 32)))) (bvult (_ bv0 32) |v_#StackHeapBarrier_23|) (= (store .cse3 |v_ULTIMATE.start_main_~#id2~0.base_26| (_ bv1 1)) |v_#valid_65|) (bvult |v_#StackHeapBarrier_23| |v_~#m~0.base_85|) (= |v_~#arr~0.offset_28| (_ bv0 32)) (bvult |v_#StackHeapBarrier_23| |v_ULTIMATE.start_main_~#id2~0.base_26|) (= (_ bv0 8) v_~flag~0_68) (= (select .cse4 |v_ULTIMATE.start_main_~#id1~0.base_24|) (_ bv0 1)) (= |v_ULTIMATE.start_main_~#id1~0.offset_21| (_ bv0 32)) (= |v_#length_43| (store (store (store (store (store (store |v_#length_45| |v_#t~string35.base_4| (_ bv16 32)) |v_#t~string39.base_5| (_ bv17 32)) |v_~#arr~0.base_32| (_ bv3200 32)) |v_~#m~0.base_85| (_ bv24 32)) |v_ULTIMATE.start_main_~#id1~0.base_24| (_ bv4 32)) |v_ULTIMATE.start_main_~#id2~0.base_26| (_ bv4 32))) (bvult |v_#StackHeapBarrier_23| |v_ULTIMATE.start_main_~#id1~0.base_24|) (= (_ bv0 32) |v_~#m~0.offset_85|) (= (select .cse3 |v_ULTIMATE.start_main_~#id2~0.base_26|) (_ bv0 1)) (= (select .cse5 |v_#t~string35.base_4|) (_ bv0 1)) (= (_ bv0 32) |v_#t~string35.offset_4|) (= (select .cse6 |v_~#m~0.base_85|) (_ bv0 1)) (= (_ bv0 32) (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv12 32)))) (= |v_#t~string39.offset_5| (_ bv0 32)) (= (select .cse7 |v_#t~string39.base_5|) (_ bv0 1)) (bvult |v_#StackHeapBarrier_23| |v_#t~string35.base_4|)))))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_188|, #StackHeapBarrier=|v_#StackHeapBarrier_23|, #valid=|v_#valid_67|, #memory_int=|v_#memory_int_84|, #length=|v_#length_45|} OutVars{ULTIMATE.start_main_~#id1~0.base=|v_ULTIMATE.start_main_~#id1~0.base_24|, #t~string35.offset=|v_#t~string35.offset_4|, ~flag~0=v_~flag~0_68, #t~string39.base=|v_#t~string39.base_5|, #NULL.offset=|v_#NULL.offset_5|, ~top~0=v_~top~0_125, ULTIMATE.start_main_#t~nondet50=|v_ULTIMATE.start_main_#t~nondet50_13|, ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_26|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_23|, #t~string39.offset=|v_#t~string39.offset_5|, #length=|v_#length_43|, ULTIMATE.start_main_#t~nondet49=|v_ULTIMATE.start_main_#t~nondet49_13|, ~#arr~0.base=|v_~#arr~0.base_32|, #pthreadsMutex=|v_#pthreadsMutex_187|, ~#arr~0.offset=|v_~#arr~0.offset_28|, ULTIMATE.start_main_#t~mem52=|v_ULTIMATE.start_main_#t~mem52_13|, ULTIMATE.start_main_#t~mem51=|v_ULTIMATE.start_main_#t~mem51_18|, #t~string35.base=|v_#t~string35.base_4|, #NULL.base=|v_#NULL.base_5|, ~#m~0.base=|v_~#m~0.base_85|, #StackHeapBarrier=|v_#StackHeapBarrier_23|, ~#m~0.offset=|v_~#m~0.offset_85|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_65|, #memory_int=|v_#memory_int_83|, ULTIMATE.start_main_~#id1~0.offset=|v_ULTIMATE.start_main_~#id1~0.offset_21|, currentRoundingMode=v_currentRoundingMode_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~#id1~0.base, #t~string35.offset, ~flag~0, #t~string39.base, #NULL.offset, ~top~0, ULTIMATE.start_main_#t~nondet50, ULTIMATE.start_main_~#id2~0.base, ULTIMATE.start_main_~#id2~0.offset, #t~string39.offset, #length, ULTIMATE.start_main_#t~nondet49, ~#arr~0.base, #pthreadsMutex, ~#arr~0.offset, ULTIMATE.start_main_#t~mem52, ULTIMATE.start_main_#t~mem51, #t~string35.base, #NULL.base, ~#m~0.base, ~#m~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#id1~0.offset, currentRoundingMode] because there is no mapped edge [2019-11-28 17:57:39,066 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [421] [421] L1000-2-->L1001-1: Formula: (= |v_#memory_int_17| (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#id2~0.base_7| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#id2~0.base_7|) |v_ULTIMATE.start_main_~#id2~0.offset_7| (_ bv1 32)))) InVars {ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_7|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_7|, #memory_int=|v_#memory_int_18|} OutVars{ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_7|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_7|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_#t~nondet49=|v_ULTIMATE.start_main_#t~nondet49_3|} AuxVars[] AssignedVars[#memory_int, ULTIMATE.start_main_#t~nondet49] because there is no mapped edge [2019-11-28 17:57:39,066 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [470] [470] t1ENTRY-->L969-6: Formula: (and (= (_ bv0 32) v_t1Thread1of1ForFork0_~i~0_13) (= v_t1Thread1of1ForFork0_~arg.base_3 |v_t1Thread1of1ForFork0_#in~arg.base_5|) (= v_t1Thread1of1ForFork0_~arg.offset_3 |v_t1Thread1of1ForFork0_#in~arg.offset_5|)) InVars {t1Thread1of1ForFork0_#in~arg.base=|v_t1Thread1of1ForFork0_#in~arg.base_5|, t1Thread1of1ForFork0_#in~arg.offset=|v_t1Thread1of1ForFork0_#in~arg.offset_5|} OutVars{t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_13, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_8, t1Thread1of1ForFork0_~arg.base=v_t1Thread1of1ForFork0_~arg.base_3, t1Thread1of1ForFork0_#in~arg.base=|v_t1Thread1of1ForFork0_#in~arg.base_5|, t1Thread1of1ForFork0_~arg.offset=v_t1Thread1of1ForFork0_~arg.offset_3, t1Thread1of1ForFork0_#in~arg.offset=|v_t1Thread1of1ForFork0_#in~arg.offset_5|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_~i~0, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_~arg.base, t1Thread1of1ForFork0_~arg.offset] because there is no mapped edge [2019-11-28 17:57:39,066 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [518] [518] L969-6-->L974-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_119| |v_~#m~0.base_58|))) (and (not (= (ite (bvult v_t1Thread1of1ForFork0_~tmp~0_11 (_ bv800 32)) (_ bv1 32) (_ bv0 32)) (_ bv0 32))) (= |v_~#arr~0.offset_11| |v_t1Thread1of1ForFork0_push_#in~stack.offset_12|) (bvslt v_t1Thread1of1ForFork0_~i~0_43 (_ bv800 32)) (= |v_t1Thread1of1ForFork0_push_#in~stack.base_12| |v_~#arr~0.base_15|) (= |v_t1Thread1of1ForFork0_#t~nondet44_10| v_t1Thread1of1ForFork0_~tmp~0_11) (= (store |v_#pthreadsMutex_119| |v_~#m~0.base_58| (store .cse0 |v_~#m~0.offset_58| (_ bv1 1))) |v_#pthreadsMutex_118|) (= v_t1Thread1of1ForFork0_~tmp~0_11 |v_t1Thread1of1ForFork0_push_#in~x_13|) (= (_ bv0 1) (select .cse0 |v_~#m~0.offset_58|)))) InVars {~#arr~0.offset=|v_~#arr~0.offset_11|, #pthreadsMutex=|v_#pthreadsMutex_119|, ~#m~0.base=|v_~#m~0.base_58|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_43, ~#m~0.offset=|v_~#m~0.offset_58|, ~#arr~0.base=|v_~#arr~0.base_15|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_10|} OutVars{~#arr~0.offset=|v_~#arr~0.offset_11|, t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_13|, #pthreadsMutex=|v_#pthreadsMutex_118|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_43, t1Thread1of1ForFork0_push_#res=|v_t1Thread1of1ForFork0_push_#res_25|, ~#m~0.base=|v_~#m~0.base_58|, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_12|, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_11, ~#m~0.offset=|v_~#m~0.offset_58|, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_12|, ~#arr~0.base=|v_~#arr~0.base_15|, t1Thread1of1ForFork0_#t~nondet43=|v_t1Thread1of1ForFork0_#t~nondet43_22|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_9|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, #pthreadsMutex, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#in~stack.offset, t1Thread1of1ForFork0_#t~nondet43, t1Thread1of1ForFork0_#t~nondet44] because there is no mapped edge [2019-11-28 17:57:39,067 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [501] [501] t2ENTRY-->L984-6: Formula: (and (= (_ bv0 32) v_t2Thread1of1ForFork1_~i~1_21) (= v_t2Thread1of1ForFork1_~arg.base_2 |v_t2Thread1of1ForFork1_#in~arg.base_4|) (= v_t2Thread1of1ForFork1_~arg.offset_2 |v_t2Thread1of1ForFork1_#in~arg.offset_4|)) InVars {t2Thread1of1ForFork1_#in~arg.base=|v_t2Thread1of1ForFork1_#in~arg.base_4|, t2Thread1of1ForFork1_#in~arg.offset=|v_t2Thread1of1ForFork1_#in~arg.offset_4|} OutVars{t2Thread1of1ForFork1_#in~arg.base=|v_t2Thread1of1ForFork1_#in~arg.base_4|, t2Thread1of1ForFork1_~arg.base=v_t2Thread1of1ForFork1_~arg.base_2, t2Thread1of1ForFork1_~arg.offset=v_t2Thread1of1ForFork1_~arg.offset_2, t2Thread1of1ForFork1_#in~arg.offset=|v_t2Thread1of1ForFork1_#in~arg.offset_4|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_21} AuxVars[] AssignedVars[t2Thread1of1ForFork1_~arg.base, t2Thread1of1ForFork1_~arg.offset, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2019-11-28 17:57:39,067 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [508] [508] L974-2-->L931: Formula: (and (not (= v_~top~0_75 (_ bv800 32))) (= v_t1Thread1of1ForFork0_push_~stack.offset_20 |v_t1Thread1of1ForFork0_push_#in~stack.offset_8|) (= |v_t1Thread1of1ForFork0_push_#in~x_9| v_t1Thread1of1ForFork0_push_~x_22) (= |v_t1Thread1of1ForFork0_push_#in~stack.base_8| v_t1Thread1of1ForFork0_push_~stack.base_20)) InVars {t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_9|, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_8|, ~top~0=v_~top~0_75, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_8|} OutVars{t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_9|, t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_20, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_8|, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_22, t1Thread1of1ForFork0_push_#t~nondet34=|v_t1Thread1of1ForFork0_push_#t~nondet34_6|, t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_11|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_20, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_31|, ~top~0=v_~top~0_75, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_8|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_~stack.base, t1Thread1of1ForFork0_push_~x, t1Thread1of1ForFork0_push_#t~nondet34, t1Thread1of1ForFork0_get_top_#res, t1Thread1of1ForFork0_push_~stack.offset, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-11-28 17:57:39,067 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [453] [453] L931-->L946-1: Formula: (and (= v_~top~0_30 |v_t1Thread1of1ForFork0_get_top_#res_7|) (= |v_t1Thread1of1ForFork0_push_#t~ret36_6| |v_t1Thread1of1ForFork0_get_top_#res_7|)) InVars {~top~0=v_~top~0_30} OutVars{t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_7|, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_6|, ~top~0=v_~top~0_30} AuxVars[] AssignedVars[t1Thread1of1ForFork0_get_top_#res, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-11-28 17:57:39,067 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [487] [487] L946-1-->L923: Formula: (= |v_#memory_int_41| (store |v_#memory_int_42| v_t1Thread1of1ForFork0_push_~stack.base_13 (store (select |v_#memory_int_42| v_t1Thread1of1ForFork0_push_~stack.base_13) (bvadd (bvmul |v_t1Thread1of1ForFork0_push_#t~ret36_18| (_ bv4 32)) v_t1Thread1of1ForFork0_push_~stack.offset_13) v_t1Thread1of1ForFork0_push_~x_15))) InVars {t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_13, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_15, #memory_int=|v_#memory_int_42|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_13, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_18|} OutVars{t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_13, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_15, t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_36|, #memory_int=|v_#memory_int_41|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_13, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_17|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_inc_top_#t~post31, #memory_int, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-11-28 17:57:39,068 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [471] [471] L923-1-->L974-3: Formula: (and (= v_~top~0_35 (bvadd |v_t1Thread1of1ForFork0_inc_top_#t~post31_15| (_ bv1 32))) (= (_ bv0 32) |v_t1Thread1of1ForFork0_push_#res_7|) (= |v_t1Thread1of1ForFork0_#t~ret45_10| |v_t1Thread1of1ForFork0_push_#res_7|)) InVars {t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_15|} OutVars{t1Thread1of1ForFork0_#t~ret45=|v_t1Thread1of1ForFork0_#t~ret45_10|, t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_14|, t1Thread1of1ForFork0_push_#res=|v_t1Thread1of1ForFork0_push_#res_7|, ~top~0=v_~top~0_35} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret45, t1Thread1of1ForFork0_inc_top_#t~post31, t1Thread1of1ForFork0_push_#res, ~top~0] because there is no mapped edge [2019-11-28 17:57:39,068 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [517] [517] L974-3-->L977: Formula: (and (not (= (_ bv4294967295 32) |t1Thread1of1ForFork0_#t~ret45_In352896798|)) (= ~flag~0_Out352896798 (_ bv1 8))) InVars {t1Thread1of1ForFork0_#t~ret45=|t1Thread1of1ForFork0_#t~ret45_In352896798|} OutVars{t1Thread1of1ForFork0_#t~ret45=|t1Thread1of1ForFork0_#t~ret45_Out352896798|, ~flag~0=~flag~0_Out352896798} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret45, ~flag~0] because there is no mapped edge [2019-11-28 17:57:39,068 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [524] [524] L977-->L969-6: Formula: (and (= (bvadd v_t1Thread1of1ForFork0_~i~0_54 (_ bv4294967295 32)) v_t1Thread1of1ForFork0_~i~0_55) (= (store |v_#pthreadsMutex_156| |v_~#m~0.base_73| (store (select |v_#pthreadsMutex_156| |v_~#m~0.base_73|) |v_~#m~0.offset_73| (_ bv0 1))) |v_#pthreadsMutex_155|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_156|, ~#m~0.base=|v_~#m~0.base_73|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_55, ~#m~0.offset=|v_~#m~0.offset_73|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_155|, ~#m~0.base=|v_~#m~0.base_73|, t1Thread1of1ForFork0_#t~post42=|v_t1Thread1of1ForFork0_#t~post42_23|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_54, ~#m~0.offset=|v_~#m~0.offset_73|} AuxVars[] AssignedVars[#pthreadsMutex, t1Thread1of1ForFork0_#t~post42, t1Thread1of1ForFork0_~i~0] because there is no mapped edge [2019-11-28 17:57:39,069 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [463] [463] L984-6-->L986-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_26| |v_~#m~0.base_21|))) (and (= (select .cse0 |v_~#m~0.offset_21|) (_ bv0 1)) (= |v_t2Thread1of1ForFork1_#t~nondet47_7| (_ bv0 32)) (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#m~0.base_21| (store .cse0 |v_~#m~0.offset_21| (_ bv1 1)))) (bvslt v_t2Thread1of1ForFork1_~i~1_12 (_ bv800 32)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_7|, #pthreadsMutex=|v_#pthreadsMutex_25|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, #pthreadsMutex] because there is no mapped edge [2019-11-28 17:57:39,069 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [526] [526] L986-1-->L953-3: Formula: (and (not (= (_ bv0 8) v_~flag~0_54)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.base_13| |v_~#arr~0.base_19|) (= |v_t2Thread1of1ForFork1_get_top_#res_46| |v_t2Thread1of1ForFork1_pop_#t~ret37_35|) (= v_t2Thread1of1ForFork1_pop_~stack.base_27 |v_t2Thread1of1ForFork1_pop_#in~stack.base_13|) (not (= (_ bv0 32) |v_t2Thread1of1ForFork1_pop_#t~ret37_35|)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_13| |v_~#arr~0.offset_15|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_13| v_t2Thread1of1ForFork1_pop_~stack.offset_27) (= v_~top~0_110 |v_t2Thread1of1ForFork1_get_top_#res_46|)) InVars {~#arr~0.offset=|v_~#arr~0.offset_15|, ~flag~0=v_~flag~0_54, ~top~0=v_~top~0_110, ~#arr~0.base=|v_~#arr~0.base_19|} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_45|, t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_27, ~#arr~0.offset=|v_~#arr~0.offset_15|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_24|, ~flag~0=v_~flag~0_54, t2Thread1of1ForFork1_pop_#in~stack.offset=|v_t2Thread1of1ForFork1_pop_#in~stack.offset_13|, ~top~0=v_~top~0_110, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_35|, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_46|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_29|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_27|, t2Thread1of1ForFork1_pop_#t~nondet38=|v_t2Thread1of1ForFork1_pop_#t~nondet38_14|, t2Thread1of1ForFork1_pop_#in~stack.base=|v_t2Thread1of1ForFork1_pop_#in~stack.base_13|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_27, ~#arr~0.base=|v_~#arr~0.base_19|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, t2Thread1of1ForFork1_pop_~stack.offset, t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_pop_#t~nondet38, t2Thread1of1ForFork1_pop_#in~stack.offset, t2Thread1of1ForFork1_pop_#in~stack.base, t2Thread1of1ForFork1_pop_~stack.base, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-11-28 17:57:39,069 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [482] [482] L953-3-->L927-1: Formula: (= v_~top~0_55 |v_t2Thread1of1ForFork1_dec_top_#t~post32_27|) InVars {~top~0=v_~top~0_55} OutVars{t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_27|, ~top~0=v_~top~0_55, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_15|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_dec_top_#t~post32, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-11-28 17:57:39,069 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [443] [443] L927-1-->L925: Formula: (= v_~top~0_22 (bvadd |v_t2Thread1of1ForFork1_dec_top_#t~post32_12| (_ bv4294967295 32))) InVars {t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_12|} OutVars{t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_11|, ~top~0=v_~top~0_22} AuxVars[] AssignedVars[t2Thread1of1ForFork1_dec_top_#t~post32, ~top~0] because there is no mapped edge [2019-11-28 17:57:39,070 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [415] [415] L925-->L931-3: Formula: (= v_~top~0_11 |v_t2Thread1of1ForFork1_get_top_#res_7|) InVars {~top~0=v_~top~0_11} OutVars{t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_7|, ~top~0=v_~top~0_11} AuxVars[] AssignedVars[t2Thread1of1ForFork1_get_top_#res] because there is no mapped edge [2019-11-28 17:57:39,070 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [512] [512] L931-3-->L989-3: Formula: (and (= |v_t2Thread1of1ForFork1_pop_#res_13| (select (select |v_#memory_int_67| v_t2Thread1of1ForFork1_pop_~stack.base_13) (bvadd (bvmul |v_t2Thread1of1ForFork1_get_top_#res_35| (_ bv4 32)) v_t2Thread1of1ForFork1_pop_~stack.offset_13))) (= |v_t2Thread1of1ForFork1_#t~ret48_31| |v_t2Thread1of1ForFork1_pop_#res_13|)) InVars {t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_13, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_35|, #memory_int=|v_#memory_int_67|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_13} OutVars{t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_13, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_35|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_31|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_13|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_18|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_16|, #memory_int=|v_#memory_int_67|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_13} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40] because there is no mapped edge [2019-11-28 17:57:39,070 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [527] [527] L989-3-->L984-6: Formula: (and (not (= (_ bv4294967294 32) |t2Thread1of1ForFork1_#t~ret48_In-1127549279|)) (= t2Thread1of1ForFork1_~i~1_In-1127549279 (bvadd t2Thread1of1ForFork1_~i~1_Out-1127549279 (_ bv4294967295 32))) (= (store |#pthreadsMutex_In-1127549279| |~#m~0.base_In-1127549279| (store (select |#pthreadsMutex_In-1127549279| |~#m~0.base_In-1127549279|) |~#m~0.offset_In-1127549279| (_ bv0 1))) |#pthreadsMutex_Out-1127549279|)) InVars {#pthreadsMutex=|#pthreadsMutex_In-1127549279|, ~#m~0.base=|~#m~0.base_In-1127549279|, t2Thread1of1ForFork1_#t~ret48=|t2Thread1of1ForFork1_#t~ret48_In-1127549279|, ~#m~0.offset=|~#m~0.offset_In-1127549279|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In-1127549279} OutVars{#pthreadsMutex=|#pthreadsMutex_Out-1127549279|, ~#m~0.base=|~#m~0.base_In-1127549279|, t2Thread1of1ForFork1_#t~ret48=|t2Thread1of1ForFork1_#t~ret48_Out-1127549279|, ~#m~0.offset=|~#m~0.offset_In-1127549279|, t2Thread1of1ForFork1_#t~post46=|t2Thread1of1ForFork1_#t~post46_Out-1127549279|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out-1127549279} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_#t~post46, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2019-11-28 17:57:39,070 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [463] [463] L984-6-->L986-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_26| |v_~#m~0.base_21|))) (and (= (select .cse0 |v_~#m~0.offset_21|) (_ bv0 1)) (= |v_t2Thread1of1ForFork1_#t~nondet47_7| (_ bv0 32)) (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#m~0.base_21| (store .cse0 |v_~#m~0.offset_21| (_ bv1 1)))) (bvslt v_t2Thread1of1ForFork1_~i~1_12 (_ bv800 32)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_7|, #pthreadsMutex=|v_#pthreadsMutex_25|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, #pthreadsMutex] because there is no mapped edge [2019-11-28 17:57:39,070 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [529] [529] L986-1-->L989-3: Formula: (and (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_22| |v_~#arr~0.offset_27|) (= v_t2Thread1of1ForFork1_pop_~stack.base_37 |v_t2Thread1of1ForFork1_pop_#in~stack.base_22|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.base_22| |v_~#arr~0.base_31|) (= |v_t2Thread1of1ForFork1_pop_#res_33| (_ bv4294967294 32)) (= |v_t2Thread1of1ForFork1_get_top_#res_55| (_ bv0 32)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_22| v_t2Thread1of1ForFork1_pop_~stack.offset_37) (= v_~top~0_124 |v_t2Thread1of1ForFork1_get_top_#res_55|) (not (= (_ bv0 8) v_~flag~0_67)) (= |v_t2Thread1of1ForFork1_#t~ret48_46| |v_t2Thread1of1ForFork1_pop_#res_33|)) InVars {~#arr~0.offset=|v_~#arr~0.offset_27|, ~flag~0=v_~flag~0_67, ~top~0=v_~top~0_124, ~#arr~0.base=|v_~#arr~0.base_31|} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_58|, t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_37, ~#arr~0.offset=|v_~#arr~0.offset_27|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_46|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_33|, ~flag~0=v_~flag~0_67, t2Thread1of1ForFork1_pop_#in~stack.offset=|v_t2Thread1of1ForFork1_pop_#in~stack.offset_22|, ~top~0=v_~top~0_124, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_45|, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_55|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_36|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_34|, t2Thread1of1ForFork1_pop_#t~nondet38=|v_t2Thread1of1ForFork1_pop_#t~nondet38_23|, t2Thread1of1ForFork1_pop_#in~stack.base=|v_t2Thread1of1ForFork1_pop_#in~stack.base_22|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_37, ~#arr~0.base=|v_~#arr~0.base_31|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, t2Thread1of1ForFork1_pop_~stack.offset, t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_pop_#t~nondet38, t2Thread1of1ForFork1_pop_#in~stack.offset, t2Thread1of1ForFork1_pop_#in~stack.base, t2Thread1of1ForFork1_pop_~stack.base, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-11-28 17:57:39,071 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [488] [488] L989-3-->t2Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (= |v_t2Thread1of1ForFork1_#t~ret48_18| (_ bv4294967294 32)) InVars {t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_18|} OutVars{t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_17|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~ret48] because there is no mapped edge [2019-11-28 17:57:39,107 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:57:39,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:57:39,109 INFO L168 Benchmark]: Toolchain (without parser) took 20727.93 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -127.1 MB). Peak memory consumption was 201.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:57:39,109 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:57:39,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 868.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:57:39,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:57:39,111 INFO L168 Benchmark]: Boogie Preprocessor took 78.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:57:39,112 INFO L168 Benchmark]: RCFGBuilder took 629.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:57:39,113 INFO L168 Benchmark]: TraceAbstraction took 18996.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 171.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -33.1 MB). Peak memory consumption was 138.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:57:39,113 INFO L168 Benchmark]: Witness Printer took 47.77 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:57:39,116 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 868.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 78.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 629.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18996.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 171.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -33.1 MB). Peak memory consumption was 138.4 MB. Max. memory is 11.5 GB. * Witness Printer took 47.77 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 5.1s, 132 ProgramPointsBefore, 39 ProgramPointsAfterwards, 136 TransitionsBefore, 40 TransitionsAfterwards, 5420 CoEnabledTransitionPairs, 7 FixpointIterations, 27 TrivialSequentialCompositions, 70 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 4 ChoiceCompositions, 2920 VarBasedMoverChecksPositive, 54 VarBasedMoverChecksNegative, 19 SemBasedMoverChecksPositive, 56 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 7110 CheckedPairsTotal, 114 TotalNumberOfCompositions - CounterExampleResult [Line: 919]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1000] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={-5:0}, flag=0, m={-1:0}, top=0] [L1001] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={-5:0}, flag=0, m={-1:0}, top=0] [L923] 1 top++ VAL [arr={-5:0}, flag=0, m={-1:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 126 locations, 2 error locations. Result: UNSAFE, OverallTime: 18.8s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 386 SDtfs, 931 SDslu, 2414 SDs, 0 SdLazy, 1922 SolverSat, 174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 124 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1391 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1227occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 1656 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 14319 SizeOfPredicates, 28 NumberOfNonLiveVariables, 440 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 2/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...