./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6692e4fc 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-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 18f8c11d6085f6594f0f2021411e68b8ac706f42 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6692e4f [2019-11-25 17:42:36,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 17:42:36,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 17:42:36,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 17:42:36,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 17:42:36,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 17:42:36,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 17:42:36,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 17:42:36,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 17:42:36,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 17:42:36,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 17:42:36,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 17:42:36,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 17:42:36,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 17:42:36,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 17:42:36,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 17:42:36,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 17:42:36,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 17:42:36,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 17:42:36,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 17:42:36,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 17:42:36,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 17:42:36,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 17:42:36,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 17:42:36,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 17:42:36,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 17:42:36,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 17:42:36,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 17:42:36,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 17:42:36,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 17:42:36,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 17:42:36,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 17:42:36,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 17:42:36,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 17:42:36,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 17:42:36,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 17:42:36,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 17:42:36,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 17:42:36,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 17:42:36,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 17:42:36,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 17:42:36,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 17:42:36,742 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 17:42:36,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 17:42:36,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 17:42:36,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 17:42:36,745 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 17:42:36,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 17:42:36,746 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 17:42:36,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 17:42:36,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 17:42:36,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 17:42:36,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 17:42:36,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 17:42:36,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 17:42:36,748 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 17:42:36,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 17:42:36,749 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 17:42:36,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 17:42:36,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 17:42:36,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 17:42:36,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 17:42:36,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 17:42:36,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 17:42:36,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 17:42:36,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 17:42:36,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 17:42:36,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 17:42:36,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 17:42:36,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 17:42:36,752 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 -> 18f8c11d6085f6594f0f2021411e68b8ac706f42 [2019-11-25 17:42:37,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 17:42:37,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 17:42:37,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 17:42:37,108 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 17:42:37,109 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 17:42:37,109 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-1.i [2019-11-25 17:42:37,169 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5baf5b663/edfc5002b7ad4823af46f6f2987ffb5e/FLAGb2303c8b3 [2019-11-25 17:42:37,653 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 17:42:37,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-1.i [2019-11-25 17:42:37,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5baf5b663/edfc5002b7ad4823af46f6f2987ffb5e/FLAGb2303c8b3 [2019-11-25 17:42:37,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5baf5b663/edfc5002b7ad4823af46f6f2987ffb5e [2019-11-25 17:42:37,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 17:42:37,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 17:42:37,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 17:42:37,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 17:42:37,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 17:42:37,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:42:37" (1/1) ... [2019-11-25 17:42:37,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672d8e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:37, skipping insertion in model container [2019-11-25 17:42:37,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:42:37" (1/1) ... [2019-11-25 17:42:38,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 17:42:38,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:42:38,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:42:38,512 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 17:42:38,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:42:38,675 INFO L208 MainTranslator]: Completed translation [2019-11-25 17:42:38,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:38 WrapperNode [2019-11-25 17:42:38,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 17:42:38,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 17:42:38,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 17:42:38,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 17:42:38,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:38" (1/1) ... [2019-11-25 17:42:38,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:38" (1/1) ... [2019-11-25 17:42:38,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 17:42:38,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 17:42:38,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 17:42:38,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 17:42:38,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:38" (1/1) ... [2019-11-25 17:42:38,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:38" (1/1) ... [2019-11-25 17:42:38,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:38" (1/1) ... [2019-11-25 17:42:38,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:38" (1/1) ... [2019-11-25 17:42:38,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:38" (1/1) ... [2019-11-25 17:42:38,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:38" (1/1) ... [2019-11-25 17:42:38,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:38" (1/1) ... [2019-11-25 17:42:38,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 17:42:38,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 17:42:38,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 17:42:38,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 17:42:38,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:38" (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 17:42:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-25 17:42:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-25 17:42:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-25 17:42:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-25 17:42:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 17:42:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 17:42:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 17:42:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 17:42:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 17:42:38,837 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 17:42:39,189 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 17:42:39,189 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-25 17:42:39,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:42:39 BoogieIcfgContainer [2019-11-25 17:42:39,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 17:42:39,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 17:42:39,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 17:42:39,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 17:42:39,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:42:37" (1/3) ... [2019-11-25 17:42:39,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aec2f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:42:39, skipping insertion in model container [2019-11-25 17:42:39,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:42:38" (2/3) ... [2019-11-25 17:42:39,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aec2f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:42:39, skipping insertion in model container [2019-11-25 17:42:39,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:42:39" (3/3) ... [2019-11-25 17:42:39,198 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-1.i [2019-11-25 17:42:39,208 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 17:42:39,208 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 17:42:39,216 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 17:42:39,259 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,259 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,259 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,260 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,261 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,261 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,262 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,262 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,263 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,263 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,263 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,264 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,264 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,264 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,265 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,266 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,266 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,266 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,267 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,267 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,268 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,268 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,269 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,269 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,270 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,270 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,271 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,271 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,271 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,272 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,272 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,274 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,274 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,275 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,275 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,275 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,276 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,276 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,276 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,279 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,279 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,280 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,280 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,280 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,280 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,281 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,281 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,281 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,281 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,282 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,283 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:42:39,316 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-25 17:42:39,332 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 17:42:39,332 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 17:42:39,332 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 17:42:39,332 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 17:42:39,332 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 17:42:39,332 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 17:42:39,332 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 17:42:39,332 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 17:42:39,343 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 85 transitions [2019-11-25 17:42:43,940 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 36910 states. [2019-11-25 17:42:43,943 INFO L276 IsEmpty]: Start isEmpty. Operand 36910 states. [2019-11-25 17:42:43,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-25 17:42:43,950 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:42:43,950 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 17:42:43,951 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 17:42:43,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:42:43,957 INFO L82 PathProgramCache]: Analyzing trace with hash 872154738, now seen corresponding path program 1 times [2019-11-25 17:42:43,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 17:42:43,966 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132094226] [2019-11-25 17:42:43,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 17:42:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:42:44,280 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 17:42:44,281 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132094226] [2019-11-25 17:42:44,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:42:44,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 17:42:44,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472916707] [2019-11-25 17:42:44,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 17:42:44,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 17:42:44,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 17:42:44,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 17:42:44,316 INFO L87 Difference]: Start difference. First operand 36910 states. Second operand 6 states. [2019-11-25 17:42:45,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:42:45,426 INFO L93 Difference]: Finished difference Result 48046 states and 195962 transitions. [2019-11-25 17:42:45,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 17:42:45,428 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-11-25 17:42:45,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:42:45,714 INFO L225 Difference]: With dead ends: 48046 [2019-11-25 17:42:45,714 INFO L226 Difference]: Without dead ends: 34886 [2019-11-25 17:42:45,716 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-25 17:42:46,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34886 states. [2019-11-25 17:42:47,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34886 to 32146. [2019-11-25 17:42:47,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32146 states. [2019-11-25 17:42:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32146 states to 32146 states and 131030 transitions. [2019-11-25 17:42:47,552 INFO L78 Accepts]: Start accepts. Automaton has 32146 states and 131030 transitions. Word has length 25 [2019-11-25 17:42:47,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:42:47,553 INFO L462 AbstractCegarLoop]: Abstraction has 32146 states and 131030 transitions. [2019-11-25 17:42:47,553 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 17:42:47,553 INFO L276 IsEmpty]: Start isEmpty. Operand 32146 states and 131030 transitions. [2019-11-25 17:42:47,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 17:42:47,558 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:42:47,558 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 17:42:47,558 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 17:42:47,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:42:47,559 INFO L82 PathProgramCache]: Analyzing trace with hash -867676219, now seen corresponding path program 1 times [2019-11-25 17:42:47,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 17:42:47,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190436858] [2019-11-25 17:42:47,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 17:42:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:42:47,705 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 17:42:47,706 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190436858] [2019-11-25 17:42:47,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:42:47,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 17:42:47,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080585238] [2019-11-25 17:42:47,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 17:42:47,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 17:42:47,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 17:42:47,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-25 17:42:47,709 INFO L87 Difference]: Start difference. First operand 32146 states and 131030 transitions. Second operand 8 states. [2019-11-25 17:42:48,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:42:48,552 INFO L93 Difference]: Finished difference Result 55450 states and 215966 transitions. [2019-11-25 17:42:48,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-25 17:42:48,552 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-25 17:42:48,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:42:48,761 INFO L225 Difference]: With dead ends: 55450 [2019-11-25 17:42:48,761 INFO L226 Difference]: Without dead ends: 52042 [2019-11-25 17:42:48,762 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 17:42:49,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52042 states. [2019-11-25 17:42:50,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52042 to 30648. [2019-11-25 17:42:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30648 states. [2019-11-25 17:42:50,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30648 states to 30648 states and 124237 transitions. [2019-11-25 17:42:50,688 INFO L78 Accepts]: Start accepts. Automaton has 30648 states and 124237 transitions. Word has length 34 [2019-11-25 17:42:50,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:42:50,689 INFO L462 AbstractCegarLoop]: Abstraction has 30648 states and 124237 transitions. [2019-11-25 17:42:50,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 17:42:50,689 INFO L276 IsEmpty]: Start isEmpty. Operand 30648 states and 124237 transitions. [2019-11-25 17:42:50,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-25 17:42:50,696 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:42:50,697 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 17:42:50,697 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 17:42:50,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:42:50,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1426113114, now seen corresponding path program 1 times [2019-11-25 17:42:50,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 17:42:50,698 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544168846] [2019-11-25 17:42:50,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 17:42:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:42:50,849 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 17:42:50,850 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544168846] [2019-11-25 17:42:50,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:42:50,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 17:42:50,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129043562] [2019-11-25 17:42:50,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 17:42:50,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 17:42:50,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 17:42:50,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-25 17:42:50,852 INFO L87 Difference]: Start difference. First operand 30648 states and 124237 transitions. Second operand 8 states. [2019-11-25 17:42:51,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:42:51,566 INFO L93 Difference]: Finished difference Result 55918 states and 216366 transitions. [2019-11-25 17:42:51,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-25 17:42:51,566 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2019-11-25 17:42:51,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:42:51,733 INFO L225 Difference]: With dead ends: 55918 [2019-11-25 17:42:51,733 INFO L226 Difference]: Without dead ends: 52446 [2019-11-25 17:42:51,734 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 17:42:52,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52446 states. [2019-11-25 17:42:53,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52446 to 28812. [2019-11-25 17:42:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28812 states. [2019-11-25 17:42:53,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28812 states to 28812 states and 115895 transitions. [2019-11-25 17:42:53,745 INFO L78 Accepts]: Start accepts. Automaton has 28812 states and 115895 transitions. Word has length 41 [2019-11-25 17:42:53,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:42:53,746 INFO L462 AbstractCegarLoop]: Abstraction has 28812 states and 115895 transitions. [2019-11-25 17:42:53,746 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 17:42:53,746 INFO L276 IsEmpty]: Start isEmpty. Operand 28812 states and 115895 transitions. [2019-11-25 17:42:53,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-25 17:42:53,762 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:42:53,762 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 17:42:53,763 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 17:42:53,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:42:53,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1393609954, now seen corresponding path program 1 times [2019-11-25 17:42:53,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 17:42:53,764 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309322105] [2019-11-25 17:42:53,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 17:42:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:42:53,965 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 17:42:53,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309322105] [2019-11-25 17:42:53,966 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834602455] [2019-11-25 17:42:53,966 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 17:42:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:42:54,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-25 17:42:54,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:42:54,210 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 17:42:54,247 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 17:42:54,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 17:42:54,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2019-11-25 17:42:54,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364294561] [2019-11-25 17:42:54,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-25 17:42:54,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 17:42:54,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-25 17:42:54,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2019-11-25 17:42:54,251 INFO L87 Difference]: Start difference. First operand 28812 states and 115895 transitions. Second operand 18 states. [2019-11-25 17:42:56,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:42:56,277 INFO L93 Difference]: Finished difference Result 60118 states and 228798 transitions. [2019-11-25 17:42:56,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2019-11-25 17:42:56,277 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 45 [2019-11-25 17:42:56,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:42:56,520 INFO L225 Difference]: With dead ends: 60118 [2019-11-25 17:42:56,520 INFO L226 Difference]: Without dead ends: 58630 [2019-11-25 17:42:56,523 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=720, Invalid=2586, Unknown=0, NotChecked=0, Total=3306 [2019-11-25 17:42:56,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58630 states. [2019-11-25 17:42:58,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58630 to 28160. [2019-11-25 17:42:58,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28160 states. [2019-11-25 17:42:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28160 states to 28160 states and 113373 transitions. [2019-11-25 17:42:58,870 INFO L78 Accepts]: Start accepts. Automaton has 28160 states and 113373 transitions. Word has length 45 [2019-11-25 17:42:58,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:42:58,871 INFO L462 AbstractCegarLoop]: Abstraction has 28160 states and 113373 transitions. [2019-11-25 17:42:58,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-25 17:42:58,871 INFO L276 IsEmpty]: Start isEmpty. Operand 28160 states and 113373 transitions. [2019-11-25 17:42:58,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-25 17:42:58,887 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:42:58,887 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 17:42:59,092 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 17:42:59,093 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 17:42:59,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:42:59,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1814608442, now seen corresponding path program 2 times [2019-11-25 17:42:59,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 17:42:59,095 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397476513] [2019-11-25 17:42:59,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 17:42:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:42:59,227 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 17:42:59,227 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397476513] [2019-11-25 17:42:59,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:42:59,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-25 17:42:59,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049491061] [2019-11-25 17:42:59,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-25 17:42:59,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 17:42:59,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-25 17:42:59,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-25 17:42:59,230 INFO L87 Difference]: Start difference. First operand 28160 states and 113373 transitions. Second operand 10 states. [2019-11-25 17:43:00,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:43:00,562 INFO L93 Difference]: Finished difference Result 59086 states and 224854 transitions. [2019-11-25 17:43:00,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2019-11-25 17:43:00,570 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 45 [2019-11-25 17:43:00,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:43:00,731 INFO L225 Difference]: With dead ends: 59086 [2019-11-25 17:43:00,731 INFO L226 Difference]: Without dead ends: 57454 [2019-11-25 17:43:00,733 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 685 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=487, Invalid=1769, Unknown=0, NotChecked=0, Total=2256 [2019-11-25 17:43:00,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57454 states. [2019-11-25 17:43:04,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57454 to 25152. [2019-11-25 17:43:04,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25152 states. [2019-11-25 17:43:04,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25152 states to 25152 states and 102287 transitions. [2019-11-25 17:43:04,993 INFO L78 Accepts]: Start accepts. Automaton has 25152 states and 102287 transitions. Word has length 45 [2019-11-25 17:43:04,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:43:04,993 INFO L462 AbstractCegarLoop]: Abstraction has 25152 states and 102287 transitions. [2019-11-25 17:43:04,994 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-25 17:43:04,994 INFO L276 IsEmpty]: Start isEmpty. Operand 25152 states and 102287 transitions. [2019-11-25 17:43:05,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-25 17:43:05,002 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:43:05,002 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 17:43:05,002 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 17:43:05,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:43:05,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1489331375, now seen corresponding path program 1 times [2019-11-25 17:43:05,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 17:43:05,003 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541033313] [2019-11-25 17:43:05,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 17:43:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 17:43:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 17:43:05,077 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 17:43:05,077 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 17:43:05,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aec2f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:43:05, skipping insertion in model container [2019-11-25 17:43:05,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 17:43:05,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 17:43:05,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 17:43:05,082 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 17:43:05,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:42:39" (3/3) ... [2019-11-25 17:43:05,087 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 17:43:05,095 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2019-11-25 17:43:05,095 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2019-11-25 17:43:05,100 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-25 17:43:05,100 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 17:43:05,101 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 17:43:05,144 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-25 17:43:05,144 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 17:43:05,147 INFO L168 Benchmark]: Toolchain (without parser) took 27162.14 ms. Allocated memory was 1.0 GB in the beginning and 3.8 GB in the end (delta: 2.7 GB). Free memory was 960.4 MB in the beginning and 3.2 GB in the end (delta: -2.3 GB). Peak memory consumption was 478.4 MB. Max. memory is 11.5 GB. [2019-11-25 17:43:05,148 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:43:05,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-25 17:43:05,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-25 17:43:05,150 INFO L168 Benchmark]: Boogie Preprocessor took 25.06 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. [2019-11-25 17:43:05,151 INFO L168 Benchmark]: RCFGBuilder took 416.55 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2019-11-25 17:43:05,152 INFO L168 Benchmark]: TraceAbstraction took 25888.86 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.6 GB). Free memory was 1.1 GB in the beginning and 3.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 450.0 MB. Max. memory is 11.5 GB. [2019-11-25 17:43:05,152 INFO L168 Benchmark]: Witness Printer took 63.14 ms. Allocated memory is still 3.8 GB. Free memory is still 3.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:43:05,155 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 692.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.06 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 416.55 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25888.86 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.6 GB). Free memory was 1.1 GB in the beginning and 3.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 450.0 MB. Max. memory is 11.5 GB. * Witness Printer took 63.14 ms. Allocated memory is still 3.8 GB. Free memory is still 3.2 GB. 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...