./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7c71bc25 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-nondet/nondet-loop-bound-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 18f8c11d6085f6594f0f2021411e68b8ac706f42 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-7c71bc2 [2019-11-25 13:19:47,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 13:19:47,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 13:19:47,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 13:19:47,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 13:19:47,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 13:19:47,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 13:19:47,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 13:19:47,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 13:19:47,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 13:19:47,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 13:19:47,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 13:19:47,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 13:19:47,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 13:19:47,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 13:19:47,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 13:19:47,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 13:19:47,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 13:19:47,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 13:19:47,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 13:19:47,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 13:19:47,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 13:19:47,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 13:19:47,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 13:19:47,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 13:19:47,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 13:19:47,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 13:19:47,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 13:19:47,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 13:19:47,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 13:19:47,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 13:19:47,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 13:19:47,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 13:19:47,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 13:19:47,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 13:19:47,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 13:19:47,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 13:19:47,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 13:19:47,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 13:19:47,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 13:19:47,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 13:19:47,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-25 13:19:47,872 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 13:19:47,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 13:19:47,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 13:19:47,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 13:19:47,875 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 13:19:47,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 13:19:47,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 13:19:47,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 13:19:47,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 13:19:47,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 13:19:47,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 13:19:47,877 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 13:19:47,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 13:19:47,877 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 13:19:47,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 13:19:47,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 13:19:47,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 13:19:47,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 13:19:47,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 13:19:47,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 13:19:47,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 13:19:47,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 13:19:47,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 13:19:47,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 13:19:47,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 13:19:47,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 13:19:47,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 13:19:47,881 INFO L138 SettingsManager]: * To the following directory=dump/ 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18f8c11d6085f6594f0f2021411e68b8ac706f42 [2019-11-25 13:19:48,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 13:19:48,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 13:19:48,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 13:19:48,211 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 13:19:48,212 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 13:19:48,213 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-1.i [2019-11-25 13:19:48,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55d4418a8/69d70241ef3f4f1d915038dd6273712c/FLAG0c3b02c85 [2019-11-25 13:19:48,825 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 13:19:48,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-1.i [2019-11-25 13:19:48,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55d4418a8/69d70241ef3f4f1d915038dd6273712c/FLAG0c3b02c85 [2019-11-25 13:19:49,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55d4418a8/69d70241ef3f4f1d915038dd6273712c [2019-11-25 13:19:49,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 13:19:49,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 13:19:49,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 13:19:49,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 13:19:49,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 13:19:49,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:19:49" (1/1) ... [2019-11-25 13:19:49,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524374c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:19:49, skipping insertion in model container [2019-11-25 13:19:49,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:19:49" (1/1) ... [2019-11-25 13:19:49,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 13:19:49,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:19:49,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:19:49,672 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 13:19:49,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:19:49,782 INFO L208 MainTranslator]: Completed translation [2019-11-25 13:19:49,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:19:49 WrapperNode [2019-11-25 13:19:49,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 13:19:49,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 13:19:49,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 13:19:49,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 13:19:49,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:19:49" (1/1) ... [2019-11-25 13:19:49,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:19:49" (1/1) ... [2019-11-25 13:19:49,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 13:19:49,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 13:19:49,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 13:19:49,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 13:19:49,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:19:49" (1/1) ... [2019-11-25 13:19:49,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:19:49" (1/1) ... [2019-11-25 13:19:49,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:19:49" (1/1) ... [2019-11-25 13:19:49,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:19:49" (1/1) ... [2019-11-25 13:19:49,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:19:49" (1/1) ... [2019-11-25 13:19:49,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:19:49" (1/1) ... [2019-11-25 13:19:49,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:19:49" (1/1) ... [2019-11-25 13:19:49,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 13:19:49,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 13:19:49,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 13:19:49,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 13:19:49,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:19:49" (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 [2019-11-25 13:19:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-25 13:19:49,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-25 13:19:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-25 13:19:49,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-25 13:19:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 13:19:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 13:19:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 13:19:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 13:19:49,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 13:19:49,927 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-25 13:19:50,253 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 13:19:50,253 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-25 13:19:50,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:19:50 BoogieIcfgContainer [2019-11-25 13:19:50,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 13:19:50,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 13:19:50,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 13:19:50,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 13:19:50,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 01:19:49" (1/3) ... [2019-11-25 13:19:50,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b66626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 01:19:50, skipping insertion in model container [2019-11-25 13:19:50,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:19:49" (2/3) ... [2019-11-25 13:19:50,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b66626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 01:19:50, skipping insertion in model container [2019-11-25 13:19:50,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:19:50" (3/3) ... [2019-11-25 13:19:50,262 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-1.i [2019-11-25 13:19:50,270 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 13:19:50,270 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 13:19:50,277 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 13:19:50,311 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,311 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,311 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,312 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,312 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,313 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,313 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,314 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,314 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,314 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,314 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,315 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,315 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,315 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,316 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,316 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,316 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,316 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,317 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,317 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,317 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,318 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,318 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,319 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,319 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,319 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,320 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,320 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,320 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,321 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,321 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,321 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,322 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,322 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,322 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,322 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,323 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,323 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,323 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,324 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,324 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,325 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,325 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,325 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,325 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,326 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,326 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,326 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,326 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,327 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,327 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:19:50,365 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-25 13:19:50,384 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 13:19:50,384 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 13:19:50,384 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 13:19:50,384 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 13:19:50,385 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 13:19:50,385 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 13:19:50,385 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 13:19:50,385 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 13:19:50,395 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 85 transitions [2019-11-25 13:19:54,995 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 36910 states. [2019-11-25 13:19:54,997 INFO L276 IsEmpty]: Start isEmpty. Operand 36910 states. [2019-11-25 13:19:55,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-25 13:19:55,005 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:19:55,006 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] [2019-11-25 13:19:55,006 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 13:19:55,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:19:55,012 INFO L82 PathProgramCache]: Analyzing trace with hash 872154738, now seen corresponding path program 1 times [2019-11-25 13:19:55,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 13:19:55,018 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138561811] [2019-11-25 13:19:55,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 13:19:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:19:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:19:55,308 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138561811] [2019-11-25 13:19:55,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:19:55,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 13:19:55,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768432671] [2019-11-25 13:19:55,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 13:19:55,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 13:19:55,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 13:19:55,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 13:19:55,335 INFO L87 Difference]: Start difference. First operand 36910 states. Second operand 6 states. [2019-11-25 13:19:56,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:19:56,493 INFO L93 Difference]: Finished difference Result 48046 states and 195962 transitions. [2019-11-25 13:19:56,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 13:19:56,496 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-11-25 13:19:56,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:19:56,853 INFO L225 Difference]: With dead ends: 48046 [2019-11-25 13:19:56,853 INFO L226 Difference]: Without dead ends: 34886 [2019-11-25 13:19:56,855 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-25 13:19:57,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34886 states. [2019-11-25 13:19:58,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34886 to 32146. [2019-11-25 13:19:58,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32146 states. [2019-11-25 13:19:58,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32146 states to 32146 states and 131030 transitions. [2019-11-25 13:19:58,758 INFO L78 Accepts]: Start accepts. Automaton has 32146 states and 131030 transitions. Word has length 25 [2019-11-25 13:19:58,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:19:58,759 INFO L462 AbstractCegarLoop]: Abstraction has 32146 states and 131030 transitions. [2019-11-25 13:19:58,759 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 13:19:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand 32146 states and 131030 transitions. [2019-11-25 13:19:58,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 13:19:58,774 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:19:58,775 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, 1, 1, 1] [2019-11-25 13:19:58,775 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 13:19:58,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:19:58,776 INFO L82 PathProgramCache]: Analyzing trace with hash -867676219, now seen corresponding path program 1 times [2019-11-25 13:19:58,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 13:19:58,777 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559820653] [2019-11-25 13:19:58,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 13:19:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:19:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:19:58,986 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559820653] [2019-11-25 13:19:58,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:19:58,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 13:19:58,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136522864] [2019-11-25 13:19:58,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 13:19:58,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 13:19:58,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 13:19:58,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-25 13:19:58,990 INFO L87 Difference]: Start difference. First operand 32146 states and 131030 transitions. Second operand 8 states. [2019-11-25 13:19:59,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:19:59,920 INFO L93 Difference]: Finished difference Result 55450 states and 215966 transitions. [2019-11-25 13:19:59,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-25 13:19:59,920 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-25 13:19:59,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:00,191 INFO L225 Difference]: With dead ends: 55450 [2019-11-25 13:20:00,191 INFO L226 Difference]: Without dead ends: 52042 [2019-11-25 13:20:00,192 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2019-11-25 13:20:00,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52042 states. [2019-11-25 13:20:02,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52042 to 30648. [2019-11-25 13:20:02,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30648 states. [2019-11-25 13:20:02,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30648 states to 30648 states and 124237 transitions. [2019-11-25 13:20:02,258 INFO L78 Accepts]: Start accepts. Automaton has 30648 states and 124237 transitions. Word has length 34 [2019-11-25 13:20:02,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:02,258 INFO L462 AbstractCegarLoop]: Abstraction has 30648 states and 124237 transitions. [2019-11-25 13:20:02,259 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 13:20:02,259 INFO L276 IsEmpty]: Start isEmpty. Operand 30648 states and 124237 transitions. [2019-11-25 13:20:02,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-25 13:20:02,264 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:02,265 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1] [2019-11-25 13:20:02,265 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 13:20:02,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:02,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1426113114, now seen corresponding path program 1 times [2019-11-25 13:20:02,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 13:20:02,266 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395432690] [2019-11-25 13:20:02,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 13:20:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-25 13:20:02,412 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395432690] [2019-11-25 13:20:02,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:20:02,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 13:20:02,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778701298] [2019-11-25 13:20:02,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 13:20:02,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 13:20:02,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 13:20:02,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-25 13:20:02,416 INFO L87 Difference]: Start difference. First operand 30648 states and 124237 transitions. Second operand 8 states. [2019-11-25 13:20:03,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:03,219 INFO L93 Difference]: Finished difference Result 55918 states and 216366 transitions. [2019-11-25 13:20:03,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-25 13:20:03,220 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2019-11-25 13:20:03,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:03,392 INFO L225 Difference]: With dead ends: 55918 [2019-11-25 13:20:03,392 INFO L226 Difference]: Without dead ends: 52446 [2019-11-25 13:20:03,393 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2019-11-25 13:20:03,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52446 states. [2019-11-25 13:20:05,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52446 to 28812. [2019-11-25 13:20:05,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28812 states. [2019-11-25 13:20:05,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28812 states to 28812 states and 115895 transitions. [2019-11-25 13:20:05,265 INFO L78 Accepts]: Start accepts. Automaton has 28812 states and 115895 transitions. Word has length 41 [2019-11-25 13:20:05,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:05,266 INFO L462 AbstractCegarLoop]: Abstraction has 28812 states and 115895 transitions. [2019-11-25 13:20:05,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 13:20:05,267 INFO L276 IsEmpty]: Start isEmpty. Operand 28812 states and 115895 transitions. [2019-11-25 13:20:05,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-25 13:20:05,276 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:05,276 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:20:05,277 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 13:20:05,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:05,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1393609954, now seen corresponding path program 1 times [2019-11-25 13:20:05,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 13:20:05,278 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462372836] [2019-11-25 13:20:05,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 13:20:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:05,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:05,445 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462372836] [2019-11-25 13:20:05,446 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616751596] [2019-11-25 13:20:05,446 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 [2019-11-25 13:20:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:05,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-25 13:20:05,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:05,683 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:20:05,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:05,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:20:05,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2019-11-25 13:20:05,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973165012] [2019-11-25 13:20:05,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-25 13:20:05,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 13:20:05,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-25 13:20:05,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2019-11-25 13:20:05,733 INFO L87 Difference]: Start difference. First operand 28812 states and 115895 transitions. Second operand 18 states. [2019-11-25 13:20:07,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:07,721 INFO L93 Difference]: Finished difference Result 60118 states and 228798 transitions. [2019-11-25 13:20:07,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2019-11-25 13:20:07,722 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 45 [2019-11-25 13:20:07,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:07,978 INFO L225 Difference]: With dead ends: 60118 [2019-11-25 13:20:07,978 INFO L226 Difference]: Without dead ends: 58630 [2019-11-25 13:20:07,980 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=720, Invalid=2586, Unknown=0, NotChecked=0, Total=3306 [2019-11-25 13:20:08,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58630 states. [2019-11-25 13:20:10,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58630 to 28160. [2019-11-25 13:20:10,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28160 states. [2019-11-25 13:20:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28160 states to 28160 states and 113373 transitions. [2019-11-25 13:20:10,306 INFO L78 Accepts]: Start accepts. Automaton has 28160 states and 113373 transitions. Word has length 45 [2019-11-25 13:20:10,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:10,307 INFO L462 AbstractCegarLoop]: Abstraction has 28160 states and 113373 transitions. [2019-11-25 13:20:10,307 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-25 13:20:10,307 INFO L276 IsEmpty]: Start isEmpty. Operand 28160 states and 113373 transitions. [2019-11-25 13:20:10,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-25 13:20:10,318 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:10,318 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:20:10,522 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 13:20:10,522 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 13:20:10,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:10,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1814608442, now seen corresponding path program 2 times [2019-11-25 13:20:10,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 13:20:10,523 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608666615] [2019-11-25 13:20:10,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 13:20:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:10,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-25 13:20:10,658 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608666615] [2019-11-25 13:20:10,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:20:10,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-25 13:20:10,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785475661] [2019-11-25 13:20:10,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-25 13:20:10,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 13:20:10,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-25 13:20:10,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-25 13:20:10,661 INFO L87 Difference]: Start difference. First operand 28160 states and 113373 transitions. Second operand 10 states. [2019-11-25 13:20:11,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:11,855 INFO L93 Difference]: Finished difference Result 59086 states and 224854 transitions. [2019-11-25 13:20:11,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2019-11-25 13:20:11,862 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 45 [2019-11-25 13:20:11,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:12,021 INFO L225 Difference]: With dead ends: 59086 [2019-11-25 13:20:12,021 INFO L226 Difference]: Without dead ends: 57454 [2019-11-25 13:20:12,023 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 685 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=487, Invalid=1769, Unknown=0, NotChecked=0, Total=2256 [2019-11-25 13:20:12,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57454 states. [2019-11-25 13:20:12,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57454 to 25152. [2019-11-25 13:20:12,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25152 states. [2019-11-25 13:20:12,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25152 states to 25152 states and 102287 transitions. [2019-11-25 13:20:12,798 INFO L78 Accepts]: Start accepts. Automaton has 25152 states and 102287 transitions. Word has length 45 [2019-11-25 13:20:12,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:12,799 INFO L462 AbstractCegarLoop]: Abstraction has 25152 states and 102287 transitions. [2019-11-25 13:20:12,799 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-25 13:20:12,799 INFO L276 IsEmpty]: Start isEmpty. Operand 25152 states and 102287 transitions. [2019-11-25 13:20:12,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-25 13:20:12,807 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:12,807 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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] [2019-11-25 13:20:12,807 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 13:20:12,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:12,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1489331375, now seen corresponding path program 1 times [2019-11-25 13:20:12,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 13:20:12,808 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446649314] [2019-11-25 13:20:12,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 13:20:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 13:20:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 13:20:12,932 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 13:20:12,933 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 13:20:12,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b66626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 01:20:12, skipping insertion in model container [2019-11-25 13:20:12,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 13:20:12,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 13:20:12,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 13:20:12,939 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 13:20:12,941 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:19:50" (3/3) ... [2019-11-25 13:20:12,946 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 13:20:12,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2019-11-25 13:20:12,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2019-11-25 13:20:12,966 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-25 13:20:12,967 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 13:20:12,968 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 13:20:13,038 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-25 13:20:13,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 13:20:13,041 INFO L168 Benchmark]: Toolchain (without parser) took 23891.98 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 953.7 MB in the beginning and 241.8 MB in the end (delta: 711.9 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2019-11-25 13:20:13,042 INFO L168 Benchmark]: CDTParser took 1.56 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:20:13,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -135.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-25 13:20:13,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2019-11-25 13:20:13,051 INFO L168 Benchmark]: Boogie Preprocessor took 29.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:20:13,052 INFO L168 Benchmark]: RCFGBuilder took 391.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-25 13:20:13,054 INFO L168 Benchmark]: TraceAbstraction took 22682.75 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 241.8 MB in the end (delta: 814.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2019-11-25 13:20:13,055 INFO L168 Benchmark]: Witness Printer took 99.92 ms. Allocated memory is still 2.4 GB. Free memory is still 241.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:20:13,064 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.56 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 633.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -135.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 391.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22682.75 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 241.8 MB in the end (delta: 814.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Witness Printer took 99.92 ms. Allocated memory is still 2.4 GB. Free memory is still 241.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - GenericResult: unable to analyze concurrent program unable to analyze - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 51 locations, 1 error locations. No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...