./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe030_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f6fb2bb1 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-wmm/safe030_tso.opt.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 4d9b4e00b73fabdf19b43e98c5244793e7e12202 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 19:20:50,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 19:20:50,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 19:20:50,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 19:20:50,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 19:20:50,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 19:20:50,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 19:20:50,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 19:20:50,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 19:20:50,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 19:20:50,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 19:20:50,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 19:20:50,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 19:20:50,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 19:20:50,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 19:20:50,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 19:20:50,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 19:20:50,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 19:20:50,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 19:20:50,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 19:20:50,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 19:20:50,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 19:20:50,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 19:20:50,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 19:20:50,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 19:20:50,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 19:20:50,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 19:20:50,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 19:20:50,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 19:20:50,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 19:20:50,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 19:20:50,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 19:20:50,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 19:20:50,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 19:20:50,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 19:20:50,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 19:20:50,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 19:20:50,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 19:20:50,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 19:20:50,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 19:20:50,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 19:20:50,779 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 19:20:50,798 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 19:20:50,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 19:20:50,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 19:20:50,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 19:20:50,800 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 19:20:50,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 19:20:50,801 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 19:20:50,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 19:20:50,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 19:20:50,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 19:20:50,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 19:20:50,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 19:20:50,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 19:20:50,803 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 19:20:50,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 19:20:50,804 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 19:20:50,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 19:20:50,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 19:20:50,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 19:20:50,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 19:20:50,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 19:20:50,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 19:20:50,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 19:20:50,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 19:20:50,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 19:20:50,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 19:20:50,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 19:20:50,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 19:20:50,808 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 -> 4d9b4e00b73fabdf19b43e98c5244793e7e12202 [2019-11-19 19:20:51,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 19:20:51,129 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 19:20:51,133 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 19:20:51,134 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 19:20:51,135 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 19:20:51,136 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe030_tso.opt.i [2019-11-19 19:20:51,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d163092/3b9839c012154d1995b177dd286b5377/FLAGaf26ccf7a [2019-11-19 19:20:51,794 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 19:20:51,795 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe030_tso.opt.i [2019-11-19 19:20:51,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d163092/3b9839c012154d1995b177dd286b5377/FLAGaf26ccf7a [2019-11-19 19:20:52,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d163092/3b9839c012154d1995b177dd286b5377 [2019-11-19 19:20:52,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 19:20:52,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 19:20:52,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 19:20:52,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 19:20:52,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 19:20:52,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:20:52" (1/1) ... [2019-11-19 19:20:52,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22fbcaec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:52, skipping insertion in model container [2019-11-19 19:20:52,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:20:52" (1/1) ... [2019-11-19 19:20:52,072 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 19:20:52,128 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 19:20:52,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:20:52,646 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 19:20:52,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:20:52,803 INFO L192 MainTranslator]: Completed translation [2019-11-19 19:20:52,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:52 WrapperNode [2019-11-19 19:20:52,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 19:20:52,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 19:20:52,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 19:20:52,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 19:20:52,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:52" (1/1) ... [2019-11-19 19:20:52,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:52" (1/1) ... [2019-11-19 19:20:52,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 19:20:52,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 19:20:52,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 19:20:52,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 19:20:52,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:52" (1/1) ... [2019-11-19 19:20:52,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:52" (1/1) ... [2019-11-19 19:20:52,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:52" (1/1) ... [2019-11-19 19:20:52,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:52" (1/1) ... [2019-11-19 19:20:52,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:52" (1/1) ... [2019-11-19 19:20:52,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:52" (1/1) ... [2019-11-19 19:20:52,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:52" (1/1) ... [2019-11-19 19:20:52,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 19:20:52,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 19:20:52,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 19:20:52,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 19:20:52,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:52" (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 [2019-11-19 19:20:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 19:20:52,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-19 19:20:52,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 19:20:52,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 19:20:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-19 19:20:52,956 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-19 19:20:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-19 19:20:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-19 19:20:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-19 19:20:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-19 19:20:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-19 19:20:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 19:20:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 19:20:52,959 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-19 19:20:53,403 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 19:20:53,404 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-19 19:20:53,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:20:53 BoogieIcfgContainer [2019-11-19 19:20:53,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 19:20:53,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 19:20:53,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 19:20:53,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 19:20:53,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:20:52" (1/3) ... [2019-11-19 19:20:53,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b546cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:20:53, skipping insertion in model container [2019-11-19 19:20:53,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:20:52" (2/3) ... [2019-11-19 19:20:53,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b546cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:20:53, skipping insertion in model container [2019-11-19 19:20:53,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:20:53" (3/3) ... [2019-11-19 19:20:53,415 INFO L109 eAbstractionObserver]: Analyzing ICFG safe030_tso.opt.i [2019-11-19 19:20:53,470 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,471 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,471 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,472 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,474 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,474 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,475 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,475 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,475 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork6_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,476 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork6_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,477 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,477 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,478 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,479 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,479 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,479 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,480 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,480 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,481 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,481 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,481 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,481 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,482 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,482 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,483 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,483 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,483 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,484 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,484 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,484 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,485 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,485 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,485 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork7_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,485 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork7_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,486 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,486 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,486 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,487 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,487 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork8_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,488 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork8_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,488 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,489 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,489 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,489 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,490 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,491 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,494 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,495 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,496 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,496 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,497 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,497 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,498 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,498 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:20:53,545 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-19 19:20:53,545 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 19:20:53,555 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 19:20:53,569 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 19:20:53,594 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 19:20:53,594 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 19:20:53,595 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 19:20:53,595 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 19:20:53,595 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 19:20:53,595 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 19:20:53,596 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 19:20:53,596 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 19:20:53,614 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 93 places, 72 transitions [2019-11-19 19:20:57,704 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 31741 states. [2019-11-19 19:20:57,706 INFO L276 IsEmpty]: Start isEmpty. Operand 31741 states. [2019-11-19 19:20:57,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-19 19:20:57,773 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:20:57,774 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:20:57,775 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:20:57,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:20:57,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1724864179, now seen corresponding path program 1 times [2019-11-19 19:20:57,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:20:57,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803215256] [2019-11-19 19:20:57,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:20:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:20:58,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:20:58,148 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803215256] [2019-11-19 19:20:58,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:20:58,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 19:20:58,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115904976] [2019-11-19 19:20:58,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 19:20:58,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:20:58,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 19:20:58,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 19:20:58,180 INFO L87 Difference]: Start difference. First operand 31741 states. Second operand 4 states. [2019-11-19 19:20:58,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:20:58,678 INFO L93 Difference]: Finished difference Result 33010 states and 103290 transitions. [2019-11-19 19:20:58,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 19:20:58,681 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2019-11-19 19:20:58,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:20:58,848 INFO L225 Difference]: With dead ends: 33010 [2019-11-19 19:20:58,848 INFO L226 Difference]: Without dead ends: 14272 [2019-11-19 19:20:58,850 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-19 19:20:59,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14272 states. [2019-11-19 19:20:59,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14272 to 14272. [2019-11-19 19:20:59,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14272 states. [2019-11-19 19:20:59,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14272 states to 14272 states and 44295 transitions. [2019-11-19 19:20:59,936 INFO L78 Accepts]: Start accepts. Automaton has 14272 states and 44295 transitions. Word has length 28 [2019-11-19 19:20:59,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:20:59,939 INFO L462 AbstractCegarLoop]: Abstraction has 14272 states and 44295 transitions. [2019-11-19 19:20:59,939 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 19:20:59,940 INFO L276 IsEmpty]: Start isEmpty. Operand 14272 states and 44295 transitions. [2019-11-19 19:20:59,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-19 19:20:59,969 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:20:59,970 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:20:59,970 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:20:59,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:20:59,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1241917486, now seen corresponding path program 1 times [2019-11-19 19:20:59,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:20:59,981 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884388365] [2019-11-19 19:20:59,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:21:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:21:00,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:21:00,177 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884388365] [2019-11-19 19:21:00,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:21:00,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 19:21:00,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109288826] [2019-11-19 19:21:00,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 19:21:00,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:21:00,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 19:21:00,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-19 19:21:00,181 INFO L87 Difference]: Start difference. First operand 14272 states and 44295 transitions. Second operand 5 states. [2019-11-19 19:21:00,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:21:00,543 INFO L93 Difference]: Finished difference Result 14272 states and 42108 transitions. [2019-11-19 19:21:00,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 19:21:00,544 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-19 19:21:00,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:21:00,620 INFO L225 Difference]: With dead ends: 14272 [2019-11-19 19:21:00,620 INFO L226 Difference]: Without dead ends: 12571 [2019-11-19 19:21:00,622 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-19 19:21:00,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12571 states. [2019-11-19 19:21:01,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12571 to 12571. [2019-11-19 19:21:01,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12571 states. [2019-11-19 19:21:01,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12571 states to 12571 states and 38058 transitions. [2019-11-19 19:21:01,082 INFO L78 Accepts]: Start accepts. Automaton has 12571 states and 38058 transitions. Word has length 29 [2019-11-19 19:21:01,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:21:01,083 INFO L462 AbstractCegarLoop]: Abstraction has 12571 states and 38058 transitions. [2019-11-19 19:21:01,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 19:21:01,083 INFO L276 IsEmpty]: Start isEmpty. Operand 12571 states and 38058 transitions. [2019-11-19 19:21:01,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-19 19:21:01,111 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:21:01,112 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:21:01,112 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:21:01,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:21:01,113 INFO L82 PathProgramCache]: Analyzing trace with hash -988993945, now seen corresponding path program 1 times [2019-11-19 19:21:01,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:21:01,113 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575538059] [2019-11-19 19:21:01,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:21:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:21:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:21:01,217 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575538059] [2019-11-19 19:21:01,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:21:01,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 19:21:01,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032438248] [2019-11-19 19:21:01,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 19:21:01,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:21:01,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 19:21:01,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-19 19:21:01,219 INFO L87 Difference]: Start difference. First operand 12571 states and 38058 transitions. Second operand 6 states. [2019-11-19 19:21:01,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:21:01,408 INFO L93 Difference]: Finished difference Result 8926 states and 24936 transitions. [2019-11-19 19:21:01,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 19:21:01,409 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2019-11-19 19:21:01,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:21:01,436 INFO L225 Difference]: With dead ends: 8926 [2019-11-19 19:21:01,437 INFO L226 Difference]: Without dead ends: 7468 [2019-11-19 19:21:01,438 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-19 19:21:01,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7468 states. [2019-11-19 19:21:01,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7468 to 7468. [2019-11-19 19:21:01,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7468 states. [2019-11-19 19:21:01,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7468 states to 7468 states and 21048 transitions. [2019-11-19 19:21:01,878 INFO L78 Accepts]: Start accepts. Automaton has 7468 states and 21048 transitions. Word has length 30 [2019-11-19 19:21:01,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:21:01,879 INFO L462 AbstractCegarLoop]: Abstraction has 7468 states and 21048 transitions. [2019-11-19 19:21:01,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 19:21:01,880 INFO L276 IsEmpty]: Start isEmpty. Operand 7468 states and 21048 transitions. [2019-11-19 19:21:01,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 19:21:01,895 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:21:01,895 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:21:01,896 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:21:01,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:21:01,896 INFO L82 PathProgramCache]: Analyzing trace with hash 958898924, now seen corresponding path program 1 times [2019-11-19 19:21:01,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:21:01,897 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188723468] [2019-11-19 19:21:01,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:21:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:21:02,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:21:02,084 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188723468] [2019-11-19 19:21:02,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:21:02,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 19:21:02,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629285051] [2019-11-19 19:21:02,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 19:21:02,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:21:02,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 19:21:02,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-19 19:21:02,087 INFO L87 Difference]: Start difference. First operand 7468 states and 21048 transitions. Second operand 6 states. [2019-11-19 19:21:02,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:21:02,283 INFO L93 Difference]: Finished difference Result 12085 states and 34008 transitions. [2019-11-19 19:21:02,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 19:21:02,283 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-19 19:21:02,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:21:02,305 INFO L225 Difference]: With dead ends: 12085 [2019-11-19 19:21:02,306 INFO L226 Difference]: Without dead ends: 6676 [2019-11-19 19:21:02,306 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 19:21:02,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6676 states. [2019-11-19 19:21:02,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6676 to 6676. [2019-11-19 19:21:02,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6676 states. [2019-11-19 19:21:02,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6676 states to 6676 states and 18663 transitions. [2019-11-19 19:21:02,491 INFO L78 Accepts]: Start accepts. Automaton has 6676 states and 18663 transitions. Word has length 31 [2019-11-19 19:21:02,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:21:02,491 INFO L462 AbstractCegarLoop]: Abstraction has 6676 states and 18663 transitions. [2019-11-19 19:21:02,492 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 19:21:02,492 INFO L276 IsEmpty]: Start isEmpty. Operand 6676 states and 18663 transitions. [2019-11-19 19:21:02,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 19:21:02,503 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:21:02,503 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:21:02,503 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:21:02,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:21:02,504 INFO L82 PathProgramCache]: Analyzing trace with hash -767289676, now seen corresponding path program 2 times [2019-11-19 19:21:02,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:21:02,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959817508] [2019-11-19 19:21:02,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:21:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:21:02,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:21:02,612 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959817508] [2019-11-19 19:21:02,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:21:02,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 19:21:02,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72112417] [2019-11-19 19:21:02,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 19:21:02,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:21:02,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 19:21:02,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-19 19:21:02,614 INFO L87 Difference]: Start difference. First operand 6676 states and 18663 transitions. Second operand 6 states. [2019-11-19 19:21:02,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:21:02,744 INFO L93 Difference]: Finished difference Result 11050 states and 31056 transitions. [2019-11-19 19:21:02,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 19:21:02,744 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-19 19:21:02,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:21:02,764 INFO L225 Difference]: With dead ends: 11050 [2019-11-19 19:21:02,764 INFO L226 Difference]: Without dead ends: 6244 [2019-11-19 19:21:02,765 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 19:21:02,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6244 states. [2019-11-19 19:21:02,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6244 to 6244. [2019-11-19 19:21:02,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6244 states. [2019-11-19 19:21:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6244 states to 6244 states and 17583 transitions. [2019-11-19 19:21:02,949 INFO L78 Accepts]: Start accepts. Automaton has 6244 states and 17583 transitions. Word has length 31 [2019-11-19 19:21:02,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:21:02,951 INFO L462 AbstractCegarLoop]: Abstraction has 6244 states and 17583 transitions. [2019-11-19 19:21:02,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 19:21:02,951 INFO L276 IsEmpty]: Start isEmpty. Operand 6244 states and 17583 transitions. [2019-11-19 19:21:02,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 19:21:02,960 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:21:02,960 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:21:02,960 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:21:02,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:21:02,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1218815796, now seen corresponding path program 3 times [2019-11-19 19:21:02,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:21:02,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932772637] [2019-11-19 19:21:02,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:21:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:21:03,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:21:03,105 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932772637] [2019-11-19 19:21:03,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:21:03,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 19:21:03,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810072881] [2019-11-19 19:21:03,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 19:21:03,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:21:03,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 19:21:03,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-19 19:21:03,107 INFO L87 Difference]: Start difference. First operand 6244 states and 17583 transitions. Second operand 6 states. [2019-11-19 19:21:03,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:21:03,191 INFO L93 Difference]: Finished difference Result 4786 states and 13209 transitions. [2019-11-19 19:21:03,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 19:21:03,191 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-19 19:21:03,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:21:03,191 INFO L225 Difference]: With dead ends: 4786 [2019-11-19 19:21:03,191 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 19:21:03,192 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 19:21:03,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 19:21:03,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 19:21:03,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 19:21:03,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 19:21:03,193 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2019-11-19 19:21:03,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:21:03,193 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:21:03,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 19:21:03,193 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 19:21:03,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 19:21:03,196 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-19 19:21:03,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:21:03 BasicIcfg [2019-11-19 19:21:03,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 19:21:03,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 19:21:03,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 19:21:03,199 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 19:21:03,200 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:20:53" (3/4) ... [2019-11-19 19:21:03,204 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 19:21:03,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-19 19:21:03,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-19 19:21:03,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-19 19:21:03,216 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-19 19:21:03,216 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 19:21:03,264 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 19:21:03,264 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 19:21:03,267 INFO L168 Benchmark]: Toolchain (without parser) took 11211.73 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 692.6 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -208.3 MB). Peak memory consumption was 484.2 MB. Max. memory is 11.5 GB. [2019-11-19 19:21:03,267 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:21:03,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-19 19:21:03,268 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.10 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. [2019-11-19 19:21:03,269 INFO L168 Benchmark]: Boogie Preprocessor took 28.63 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. [2019-11-19 19:21:03,269 INFO L168 Benchmark]: RCFGBuilder took 520.76 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: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-19 19:21:03,270 INFO L168 Benchmark]: TraceAbstraction took 9791.71 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 550.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -84.6 MB). Peak memory consumption was 465.4 MB. Max. memory is 11.5 GB. [2019-11-19 19:21:03,271 INFO L168 Benchmark]: Witness Printer took 65.49 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-19 19:21:03,274 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 748.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.10 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 28.63 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. * RCFGBuilder took 520.76 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: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9791.71 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 550.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -84.6 MB). Peak memory consumption was 465.4 MB. Max. memory is 11.5 GB. * Witness Printer took 65.49 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 87 locations, 1 error locations. Result: SAFE, OverallTime: 9.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 542 SDtfs, 622 SDslu, 1264 SDs, 0 SdLazy, 152 SolverSat, 93 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31741occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 12498 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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 correct! Received shutdown request...