/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe006_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 18:09:27,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 18:09:27,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 18:09:27,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 18:09:27,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 18:09:27,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 18:09:27,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 18:09:27,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 18:09:27,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 18:09:27,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 18:09:27,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 18:09:27,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 18:09:27,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 18:09:27,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 18:09:27,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 18:09:27,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 18:09:27,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 18:09:27,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 18:09:27,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 18:09:27,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 18:09:27,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 18:09:27,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 18:09:27,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 18:09:27,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 18:09:27,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 18:09:27,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 18:09:27,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 18:09:27,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 18:09:27,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 18:09:27,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 18:09:27,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 18:09:27,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 18:09:27,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 18:09:27,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 18:09:27,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 18:09:27,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 18:09:27,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 18:09:27,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 18:09:27,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 18:09:27,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 18:09:27,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 18:09:27,779 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf [2019-12-27 18:09:27,795 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 18:09:27,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 18:09:27,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 18:09:27,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 18:09:27,797 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 18:09:27,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 18:09:27,797 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 18:09:27,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 18:09:27,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 18:09:27,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 18:09:27,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 18:09:27,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 18:09:27,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 18:09:27,798 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 18:09:27,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 18:09:27,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 18:09:27,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 18:09:27,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 18:09:27,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 18:09:27,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 18:09:27,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 18:09:27,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 18:09:27,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 18:09:27,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 18:09:27,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 18:09:27,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 18:09:27,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 18:09:27,801 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 18:09:27,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 18:09:27,802 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 18:09:27,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 18:09:28,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 18:09:28,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 18:09:28,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 18:09:28,117 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 18:09:28,118 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 18:09:28,120 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_tso.opt.i [2019-12-27 18:09:28,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abd064738/8de4f33faee746a89849049985f3e97c/FLAGdb5f0c2d8 [2019-12-27 18:09:28,650 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 18:09:28,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_tso.opt.i [2019-12-27 18:09:28,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abd064738/8de4f33faee746a89849049985f3e97c/FLAGdb5f0c2d8 [2019-12-27 18:09:28,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abd064738/8de4f33faee746a89849049985f3e97c [2019-12-27 18:09:28,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 18:09:28,981 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 18:09:28,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 18:09:28,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 18:09:28,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 18:09:28,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:09:28" (1/1) ... [2019-12-27 18:09:28,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b0d5ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:09:28, skipping insertion in model container [2019-12-27 18:09:28,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:09:28" (1/1) ... [2019-12-27 18:09:28,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 18:09:29,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 18:09:29,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:09:29,557 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 18:09:29,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:09:29,683 INFO L208 MainTranslator]: Completed translation [2019-12-27 18:09:29,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:09:29 WrapperNode [2019-12-27 18:09:29,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 18:09:29,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 18:09:29,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 18:09:29,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 18:09:29,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:09:29" (1/1) ... [2019-12-27 18:09:29,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:09:29" (1/1) ... [2019-12-27 18:09:29,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 18:09:29,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 18:09:29,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 18:09:29,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 18:09:29,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:09:29" (1/1) ... [2019-12-27 18:09:29,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:09:29" (1/1) ... [2019-12-27 18:09:29,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:09:29" (1/1) ... [2019-12-27 18:09:29,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:09:29" (1/1) ... [2019-12-27 18:09:29,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:09:29" (1/1) ... [2019-12-27 18:09:29,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:09:29" (1/1) ... [2019-12-27 18:09:29,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:09:29" (1/1) ... [2019-12-27 18:09:29,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 18:09:29,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 18:09:29,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 18:09:29,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 18:09:29,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:09:29" (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 [2019-12-27 18:09:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 18:09:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 18:09:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 18:09:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 18:09:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 18:09:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 18:09:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 18:09:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 18:09:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 18:09:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 18:09:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 18:09:29,865 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 18:09:30,292 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 18:09:30,293 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 18:09:30,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:09:30 BoogieIcfgContainer [2019-12-27 18:09:30,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 18:09:30,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 18:09:30,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 18:09:30,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 18:09:30,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 06:09:28" (1/3) ... [2019-12-27 18:09:30,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5827cb3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:09:30, skipping insertion in model container [2019-12-27 18:09:30,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:09:29" (2/3) ... [2019-12-27 18:09:30,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5827cb3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:09:30, skipping insertion in model container [2019-12-27 18:09:30,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:09:30" (3/3) ... [2019-12-27 18:09:30,308 INFO L109 eAbstractionObserver]: Analyzing ICFG safe006_tso.opt.i [2019-12-27 18:09:30,319 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 18:09:30,320 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 18:09:30,333 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 18:09:30,334 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 18:09:30,366 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,366 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,367 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,367 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,368 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,369 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,369 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,369 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,370 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,370 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,370 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,371 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,376 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,376 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,377 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,377 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,386 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,386 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,386 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,387 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:09:30,403 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 18:09:30,424 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 18:09:30,424 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 18:09:30,425 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 18:09:30,425 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 18:09:30,425 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 18:09:30,425 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 18:09:30,425 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 18:09:30,426 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 18:09:30,439 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 43 transitions [2019-12-27 18:09:30,441 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 49 places, 43 transitions [2019-12-27 18:09:30,480 INFO L132 PetriNetUnfolder]: 1/41 cut-off events. [2019-12-27 18:09:30,480 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:09:30,486 INFO L76 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 41 events. 1/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 0/39 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-27 18:09:30,488 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 49 places, 43 transitions [2019-12-27 18:09:30,504 INFO L132 PetriNetUnfolder]: 1/41 cut-off events. [2019-12-27 18:09:30,504 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:09:30,506 INFO L76 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 41 events. 1/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 0/39 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-27 18:09:30,507 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 234 [2019-12-27 18:09:30,508 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 18:09:31,832 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-12-27 18:09:31,991 INFO L206 etLargeBlockEncoding]: Checked pairs total: 271 [2019-12-27 18:09:31,991 INFO L214 etLargeBlockEncoding]: Total number of compositions: 38 [2019-12-27 18:09:31,995 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 11 transitions [2019-12-27 18:09:32,002 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 22 states. [2019-12-27 18:09:32,005 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-12-27 18:09:32,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 18:09:32,011 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:09:32,012 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-27 18:09:32,012 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:09:32,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:09:32,018 INFO L82 PathProgramCache]: Analyzing trace with hash 608072787, now seen corresponding path program 1 times [2019-12-27 18:09:32,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:09:32,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036540054] [2019-12-27 18:09:32,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:09:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:09:32,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:09:32,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036540054] [2019-12-27 18:09:32,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:09:32,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 18:09:32,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2079867868] [2019-12-27 18:09:32,228 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:09:32,233 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:09:32,247 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 7 states and 6 transitions. [2019-12-27 18:09:32,247 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:09:32,251 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:09:32,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:09:32,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:09:32,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:09:32,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:09:32,270 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2019-12-27 18:09:32,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:09:32,304 INFO L93 Difference]: Finished difference Result 20 states and 31 transitions. [2019-12-27 18:09:32,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:09:32,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-27 18:09:32,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:09:32,314 INFO L225 Difference]: With dead ends: 20 [2019-12-27 18:09:32,314 INFO L226 Difference]: Without dead ends: 16 [2019-12-27 18:09:32,316 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:09:32,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-27 18:09:32,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-27 18:09:32,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-27 18:09:32,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2019-12-27 18:09:32,349 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 23 transitions. Word has length 6 [2019-12-27 18:09:32,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:09:32,349 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 23 transitions. [2019-12-27 18:09:32,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:09:32,350 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2019-12-27 18:09:32,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 18:09:32,350 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:09:32,350 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:09:32,351 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:09:32,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:09:32,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1668374393, now seen corresponding path program 1 times [2019-12-27 18:09:32,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:09:32,352 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066404561] [2019-12-27 18:09:32,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:09:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:09:32,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:09:32,438 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066404561] [2019-12-27 18:09:32,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:09:32,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:09:32,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1998495887] [2019-12-27 18:09:32,440 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:09:32,441 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:09:32,446 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 10 states and 11 transitions. [2019-12-27 18:09:32,446 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:09:32,448 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:09:32,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:09:32,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:09:32,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:09:32,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:09:32,450 INFO L87 Difference]: Start difference. First operand 16 states and 23 transitions. Second operand 4 states. [2019-12-27 18:09:32,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:09:32,473 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2019-12-27 18:09:32,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:09:32,474 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-27 18:09:32,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:09:32,475 INFO L225 Difference]: With dead ends: 17 [2019-12-27 18:09:32,475 INFO L226 Difference]: Without dead ends: 11 [2019-12-27 18:09:32,476 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:09:32,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-12-27 18:09:32,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-27 18:09:32,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-27 18:09:32,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2019-12-27 18:09:32,479 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 7 [2019-12-27 18:09:32,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:09:32,479 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2019-12-27 18:09:32,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:09:32,480 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-12-27 18:09:32,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 18:09:32,480 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:09:32,480 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:09:32,481 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:09:32,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:09:32,481 INFO L82 PathProgramCache]: Analyzing trace with hash 242387412, now seen corresponding path program 1 times [2019-12-27 18:09:32,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:09:32,482 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808308904] [2019-12-27 18:09:32,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:09:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:09:32,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:09:32,575 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808308904] [2019-12-27 18:09:32,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:09:32,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:09:32,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1410339875] [2019-12-27 18:09:32,576 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:09:32,577 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:09:32,582 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 9 states and 8 transitions. [2019-12-27 18:09:32,582 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:09:32,582 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:09:32,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:09:32,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:09:32,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:09:32,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:09:32,587 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 4 states. [2019-12-27 18:09:32,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:09:32,607 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-12-27 18:09:32,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:09:32,607 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-27 18:09:32,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:09:32,608 INFO L225 Difference]: With dead ends: 10 [2019-12-27 18:09:32,608 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 18:09:32,608 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:09:32,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 18:09:32,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 18:09:32,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 18:09:32,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 18:09:32,609 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-12-27 18:09:32,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:09:32,610 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 18:09:32,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:09:32,611 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 18:09:32,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 18:09:32,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 06:09:32 BasicIcfg [2019-12-27 18:09:32,617 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 18:09:32,620 INFO L168 Benchmark]: Toolchain (without parser) took 3638.30 ms. Allocated memory was 142.1 MB in the beginning and 248.5 MB in the end (delta: 106.4 MB). Free memory was 99.7 MB in the beginning and 194.8 MB in the end (delta: -95.1 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-12-27 18:09:32,622 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-27 18:09:32,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.29 ms. Allocated memory was 142.1 MB in the beginning and 201.3 MB in the end (delta: 59.2 MB). Free memory was 99.2 MB in the beginning and 158.7 MB in the end (delta: -59.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-12-27 18:09:32,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.89 ms. Allocated memory is still 201.3 MB. Free memory was 158.7 MB in the beginning and 156.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 18:09:32,626 INFO L168 Benchmark]: Boogie Preprocessor took 26.32 ms. Allocated memory is still 201.3 MB. Free memory was 156.6 MB in the beginning and 155.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 18:09:32,633 INFO L168 Benchmark]: RCFGBuilder took 521.28 ms. Allocated memory is still 201.3 MB. Free memory was 155.3 MB in the beginning and 136.6 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-12-27 18:09:32,634 INFO L168 Benchmark]: TraceAbstraction took 2320.78 ms. Allocated memory was 201.3 MB in the beginning and 248.5 MB in the end (delta: 47.2 MB). Free memory was 136.6 MB in the beginning and 194.8 MB in the end (delta: -58.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 18:09:32,642 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.29 ms. Allocated memory was 142.1 MB in the beginning and 201.3 MB in the end (delta: 59.2 MB). Free memory was 99.2 MB in the beginning and 158.7 MB in the end (delta: -59.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.89 ms. Allocated memory is still 201.3 MB. Free memory was 158.7 MB in the beginning and 156.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.32 ms. Allocated memory is still 201.3 MB. Free memory was 156.6 MB in the beginning and 155.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 521.28 ms. Allocated memory is still 201.3 MB. Free memory was 155.3 MB in the beginning and 136.6 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2320.78 ms. Allocated memory was 201.3 MB in the beginning and 248.5 MB in the end (delta: 47.2 MB). Free memory was 136.6 MB in the beginning and 194.8 MB in the end (delta: -58.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.5s, 49 ProgramPointsBefore, 15 ProgramPointsAfterwards, 43 TransitionsBefore, 11 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 118 VarBasedMoverChecksPositive, 13 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 14 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 271 CheckedPairsTotal, 38 TotalNumberOfCompositions - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 43 locations, 1 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 21 SDtfs, 10 SDslu, 8 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 330 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...