/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-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe014_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-19 04:43:57,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-19 04:43:57,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-19 04:43:57,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-19 04:43:57,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-19 04:43:57,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-19 04:43:57,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-19 04:43:57,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-19 04:43:57,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-19 04:43:57,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-19 04:43:57,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-19 04:43:57,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-19 04:43:57,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-19 04:43:57,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-19 04:43:57,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-19 04:43:57,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-19 04:43:57,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-19 04:43:57,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-19 04:43:57,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-19 04:43:57,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-19 04:43:57,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-19 04:43:57,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-19 04:43:57,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-19 04:43:57,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-19 04:43:57,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-19 04:43:57,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-19 04:43:57,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-19 04:43:57,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-19 04:43:57,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-19 04:43:57,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-19 04:43:57,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-19 04:43:57,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-19 04:43:57,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-19 04:43:57,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-19 04:43:57,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-19 04:43:57,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-19 04:43:57,757 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-NoLbe.epf [2019-12-19 04:43:57,792 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-19 04:43:57,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-19 04:43:57,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-19 04:43:57,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-19 04:43:57,797 INFO L138 SettingsManager]: * Use SBE=true [2019-12-19 04:43:57,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-19 04:43:57,797 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-19 04:43:57,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-19 04:43:57,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-19 04:43:57,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-19 04:43:57,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-19 04:43:57,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-19 04:43:57,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-19 04:43:57,799 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-19 04:43:57,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-19 04:43:57,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-19 04:43:57,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-19 04:43:57,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-19 04:43:57,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-19 04:43:57,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-19 04:43:57,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-19 04:43:57,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 04:43:57,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-19 04:43:57,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-19 04:43:57,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-19 04:43:57,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-19 04:43:57,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-19 04:43:57,804 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-19 04:43:57,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-19 04:43:57,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-19 04:43:58,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-19 04:43:58,130 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-19 04:43:58,133 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-19 04:43:58,135 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-19 04:43:58,135 INFO L275 PluginConnector]: CDTParser initialized [2019-12-19 04:43:58,136 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe014_tso.opt.i [2019-12-19 04:43:58,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/729c3ae7d/0ff5a0c5405240e98a03e2bfc5778908/FLAG4dda1d0a7 [2019-12-19 04:43:58,765 INFO L306 CDTParser]: Found 1 translation units. [2019-12-19 04:43:58,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_tso.opt.i [2019-12-19 04:43:58,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/729c3ae7d/0ff5a0c5405240e98a03e2bfc5778908/FLAG4dda1d0a7 [2019-12-19 04:43:59,078 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/729c3ae7d/0ff5a0c5405240e98a03e2bfc5778908 [2019-12-19 04:43:59,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-19 04:43:59,092 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-19 04:43:59,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-19 04:43:59,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-19 04:43:59,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-19 04:43:59,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 04:43:59" (1/1) ... [2019-12-19 04:43:59,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2908c1d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:43:59, skipping insertion in model container [2019-12-19 04:43:59,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 04:43:59" (1/1) ... [2019-12-19 04:43:59,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-19 04:43:59,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-19 04:43:59,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 04:43:59,814 INFO L203 MainTranslator]: Completed pre-run [2019-12-19 04:43:59,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 04:43:59,998 INFO L208 MainTranslator]: Completed translation [2019-12-19 04:43:59,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:43:59 WrapperNode [2019-12-19 04:43:59,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-19 04:44:00,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-19 04:44:00,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-19 04:44:00,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-19 04:44:00,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:43:59" (1/1) ... [2019-12-19 04:44:00,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:43:59" (1/1) ... [2019-12-19 04:44:00,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-19 04:44:00,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-19 04:44:00,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-19 04:44:00,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-19 04:44:00,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:43:59" (1/1) ... [2019-12-19 04:44:00,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:43:59" (1/1) ... [2019-12-19 04:44:00,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:43:59" (1/1) ... [2019-12-19 04:44:00,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:43:59" (1/1) ... [2019-12-19 04:44:00,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:43:59" (1/1) ... [2019-12-19 04:44:00,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:43:59" (1/1) ... [2019-12-19 04:44:00,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:43:59" (1/1) ... [2019-12-19 04:44:00,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-19 04:44:00,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-19 04:44:00,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-19 04:44:00,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-19 04:44:00,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:43:59" (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 [2019-12-19 04:44:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-19 04:44:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-19 04:44:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-19 04:44:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-19 04:44:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-19 04:44:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-19 04:44:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-19 04:44:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-19 04:44:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-19 04:44:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-19 04:44:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-19 04:44:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-19 04:44:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-19 04:44:00,222 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-19 04:44:00,608 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-19 04:44:00,608 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-19 04:44:00,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 04:44:00 BoogieIcfgContainer [2019-12-19 04:44:00,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-19 04:44:00,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-19 04:44:00,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-19 04:44:00,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-19 04:44:00,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 04:43:59" (1/3) ... [2019-12-19 04:44:00,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df239a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 04:44:00, skipping insertion in model container [2019-12-19 04:44:00,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:43:59" (2/3) ... [2019-12-19 04:44:00,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df239a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 04:44:00, skipping insertion in model container [2019-12-19 04:44:00,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 04:44:00" (3/3) ... [2019-12-19 04:44:00,618 INFO L109 eAbstractionObserver]: Analyzing ICFG safe014_tso.opt.i [2019-12-19 04:44:00,627 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-19 04:44:00,627 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-19 04:44:00,634 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-19 04:44:00,635 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-19 04:44:00,661 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,661 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,662 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,662 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,662 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,663 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,663 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,663 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,664 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,664 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,664 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,664 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,665 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,665 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,665 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,665 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,666 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,666 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,670 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,670 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,670 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,671 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,681 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,682 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,682 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,682 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,684 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,685 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,685 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,685 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:44:00,700 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-19 04:44:00,723 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 04:44:00,723 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 04:44:00,723 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 04:44:00,723 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 04:44:00,724 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 04:44:00,724 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 04:44:00,724 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 04:44:00,724 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 04:44:00,736 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63 places, 54 transitions [2019-12-19 04:44:00,817 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-12-19 04:44:00,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-12-19 04:44:00,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-19 04:44:00,837 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 04:44:00,838 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 04:44:00,839 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 04:44:00,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 04:44:00,846 INFO L82 PathProgramCache]: Analyzing trace with hash -83504505, now seen corresponding path program 1 times [2019-12-19 04:44:00,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 04:44:00,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443849963] [2019-12-19 04:44:00,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 04:44:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 04:44:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 04:44:01,217 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443849963] [2019-12-19 04:44:01,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 04:44:01,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 04:44:01,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825718280] [2019-12-19 04:44:01,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 04:44:01,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 04:44:01,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 04:44:01,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 04:44:01,244 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-12-19 04:44:01,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 04:44:01,366 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-12-19 04:44:01,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-19 04:44:01,368 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-12-19 04:44:01,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 04:44:01,393 INFO L225 Difference]: With dead ends: 1295 [2019-12-19 04:44:01,394 INFO L226 Difference]: Without dead ends: 601 [2019-12-19 04:44:01,395 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-19 04:44:01,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-12-19 04:44:01,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-12-19 04:44:01,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-12-19 04:44:01,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-12-19 04:44:01,503 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-12-19 04:44:01,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 04:44:01,503 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-12-19 04:44:01,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-19 04:44:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-12-19 04:44:01,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-19 04:44:01,507 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 04:44:01,508 INFO L411 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] [2019-12-19 04:44:01,508 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 04:44:01,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 04:44:01,510 INFO L82 PathProgramCache]: Analyzing trace with hash 288299186, now seen corresponding path program 1 times [2019-12-19 04:44:01,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 04:44:01,510 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285521613] [2019-12-19 04:44:01,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 04:44:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 04:44:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 04:44:01,675 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285521613] [2019-12-19 04:44:01,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 04:44:01,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 04:44:01,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414743094] [2019-12-19 04:44:01,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 04:44:01,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 04:44:01,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 04:44:01,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-19 04:44:01,680 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-12-19 04:44:01,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 04:44:01,783 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-12-19 04:44:01,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-19 04:44:01,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-19 04:44:01,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 04:44:01,790 INFO L225 Difference]: With dead ends: 601 [2019-12-19 04:44:01,791 INFO L226 Difference]: Without dead ends: 538 [2019-12-19 04:44:01,792 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-19 04:44:01,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-12-19 04:44:01,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-12-19 04:44:01,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-12-19 04:44:01,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-12-19 04:44:01,836 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-12-19 04:44:01,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 04:44:01,836 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-12-19 04:44:01,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 04:44:01,837 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-12-19 04:44:01,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-19 04:44:01,841 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 04:44:01,842 INFO L411 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] [2019-12-19 04:44:01,843 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 04:44:01,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 04:44:01,846 INFO L82 PathProgramCache]: Analyzing trace with hash -2025800424, now seen corresponding path program 1 times [2019-12-19 04:44:01,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 04:44:01,846 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109596736] [2019-12-19 04:44:01,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 04:44:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 04:44:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 04:44:02,041 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109596736] [2019-12-19 04:44:02,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 04:44:02,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 04:44:02,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423426015] [2019-12-19 04:44:02,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 04:44:02,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 04:44:02,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 04:44:02,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-19 04:44:02,043 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-12-19 04:44:02,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 04:44:02,136 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-12-19 04:44:02,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-19 04:44:02,137 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-19 04:44:02,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 04:44:02,139 INFO L225 Difference]: With dead ends: 403 [2019-12-19 04:44:02,139 INFO L226 Difference]: Without dead ends: 349 [2019-12-19 04:44:02,140 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-12-19 04:44:02,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-12-19 04:44:02,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-12-19 04:44:02,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-12-19 04:44:02,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-12-19 04:44:02,153 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-12-19 04:44:02,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 04:44:02,154 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-12-19 04:44:02,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 04:44:02,154 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-12-19 04:44:02,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-19 04:44:02,156 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 04:44:02,156 INFO L411 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] [2019-12-19 04:44:02,156 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 04:44:02,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 04:44:02,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1679595576, now seen corresponding path program 1 times [2019-12-19 04:44:02,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 04:44:02,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104400866] [2019-12-19 04:44:02,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 04:44:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 04:44:02,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 04:44:02,335 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104400866] [2019-12-19 04:44:02,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 04:44:02,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 04:44:02,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322357413] [2019-12-19 04:44:02,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 04:44:02,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 04:44:02,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 04:44:02,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 04:44:02,337 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 7 states. [2019-12-19 04:44:02,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 04:44:02,658 INFO L93 Difference]: Finished difference Result 565 states and 1500 transitions. [2019-12-19 04:44:02,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 04:44:02,659 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-12-19 04:44:02,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 04:44:02,665 INFO L225 Difference]: With dead ends: 565 [2019-12-19 04:44:02,665 INFO L226 Difference]: Without dead ends: 394 [2019-12-19 04:44:02,666 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-19 04:44:02,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2019-12-19 04:44:02,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 340. [2019-12-19 04:44:02,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2019-12-19 04:44:02,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 888 transitions. [2019-12-19 04:44:02,687 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 888 transitions. Word has length 34 [2019-12-19 04:44:02,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 04:44:02,688 INFO L462 AbstractCegarLoop]: Abstraction has 340 states and 888 transitions. [2019-12-19 04:44:02,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 04:44:02,689 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 888 transitions. [2019-12-19 04:44:02,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-19 04:44:02,690 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 04:44:02,691 INFO L411 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] [2019-12-19 04:44:02,691 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 04:44:02,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 04:44:02,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1506347884, now seen corresponding path program 2 times [2019-12-19 04:44:02,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 04:44:02,692 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237318555] [2019-12-19 04:44:02,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 04:44:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 04:44:02,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 04:44:02,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237318555] [2019-12-19 04:44:02,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 04:44:02,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-19 04:44:02,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898127787] [2019-12-19 04:44:02,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-19 04:44:02,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 04:44:02,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-19 04:44:02,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-19 04:44:02,936 INFO L87 Difference]: Start difference. First operand 340 states and 888 transitions. Second operand 8 states. [2019-12-19 04:44:03,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 04:44:03,061 INFO L93 Difference]: Finished difference Result 556 states and 1473 transitions. [2019-12-19 04:44:03,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 04:44:03,061 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-12-19 04:44:03,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 04:44:03,064 INFO L225 Difference]: With dead ends: 556 [2019-12-19 04:44:03,065 INFO L226 Difference]: Without dead ends: 334 [2019-12-19 04:44:03,065 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-19 04:44:03,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-12-19 04:44:03,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 325. [2019-12-19 04:44:03,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2019-12-19 04:44:03,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 846 transitions. [2019-12-19 04:44:03,077 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 846 transitions. Word has length 34 [2019-12-19 04:44:03,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 04:44:03,078 INFO L462 AbstractCegarLoop]: Abstraction has 325 states and 846 transitions. [2019-12-19 04:44:03,078 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-19 04:44:03,078 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 846 transitions. [2019-12-19 04:44:03,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-19 04:44:03,079 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 04:44:03,080 INFO L411 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] [2019-12-19 04:44:03,080 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 04:44:03,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 04:44:03,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1833116096, now seen corresponding path program 3 times [2019-12-19 04:44:03,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 04:44:03,081 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671688762] [2019-12-19 04:44:03,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 04:44:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 04:44:03,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 04:44:03,232 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671688762] [2019-12-19 04:44:03,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 04:44:03,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-19 04:44:03,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324972854] [2019-12-19 04:44:03,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-19 04:44:03,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 04:44:03,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-19 04:44:03,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-19 04:44:03,235 INFO L87 Difference]: Start difference. First operand 325 states and 846 transitions. Second operand 8 states. [2019-12-19 04:44:03,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 04:44:03,353 INFO L93 Difference]: Finished difference Result 487 states and 1305 transitions. [2019-12-19 04:44:03,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 04:44:03,354 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-12-19 04:44:03,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 04:44:03,356 INFO L225 Difference]: With dead ends: 487 [2019-12-19 04:44:03,356 INFO L226 Difference]: Without dead ends: 313 [2019-12-19 04:44:03,357 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2019-12-19 04:44:03,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-12-19 04:44:03,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2019-12-19 04:44:03,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2019-12-19 04:44:03,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 816 transitions. [2019-12-19 04:44:03,367 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 816 transitions. Word has length 34 [2019-12-19 04:44:03,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 04:44:03,368 INFO L462 AbstractCegarLoop]: Abstraction has 313 states and 816 transitions. [2019-12-19 04:44:03,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-19 04:44:03,368 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 816 transitions. [2019-12-19 04:44:03,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-19 04:44:03,369 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 04:44:03,369 INFO L411 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] [2019-12-19 04:44:03,369 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 04:44:03,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 04:44:03,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1476702554, now seen corresponding path program 4 times [2019-12-19 04:44:03,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 04:44:03,370 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27692129] [2019-12-19 04:44:03,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 04:44:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 04:44:03,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 04:44:03,518 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27692129] [2019-12-19 04:44:03,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 04:44:03,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-19 04:44:03,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547026916] [2019-12-19 04:44:03,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-19 04:44:03,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 04:44:03,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-19 04:44:03,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-19 04:44:03,521 INFO L87 Difference]: Start difference. First operand 313 states and 816 transitions. Second operand 8 states. [2019-12-19 04:44:03,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 04:44:03,602 INFO L93 Difference]: Finished difference Result 259 states and 654 transitions. [2019-12-19 04:44:03,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-19 04:44:03,603 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-12-19 04:44:03,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 04:44:03,603 INFO L225 Difference]: With dead ends: 259 [2019-12-19 04:44:03,603 INFO L226 Difference]: Without dead ends: 0 [2019-12-19 04:44:03,604 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-19 04:44:03,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-19 04:44:03,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-19 04:44:03,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-19 04:44:03,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-19 04:44:03,605 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-12-19 04:44:03,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 04:44:03,605 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-19 04:44:03,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-19 04:44:03,605 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-19 04:44:03,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-19 04:44:03,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 04:44:03 BasicIcfg [2019-12-19 04:44:03,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-19 04:44:03,614 INFO L168 Benchmark]: Toolchain (without parser) took 4522.08 ms. Allocated memory was 145.8 MB in the beginning and 248.5 MB in the end (delta: 102.8 MB). Free memory was 100.5 MB in the beginning and 102.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 100.7 MB. Max. memory is 7.1 GB. [2019-12-19 04:44:03,615 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-19 04:44:03,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 906.88 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 100.3 MB in the beginning and 159.9 MB in the end (delta: -59.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-12-19 04:44:03,616 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.22 ms. Allocated memory is still 202.9 MB. Free memory was 159.9 MB in the beginning and 158.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-19 04:44:03,617 INFO L168 Benchmark]: Boogie Preprocessor took 58.41 ms. Allocated memory is still 202.9 MB. Free memory was 158.0 MB in the beginning and 156.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-12-19 04:44:03,618 INFO L168 Benchmark]: RCFGBuilder took 463.79 ms. Allocated memory is still 202.9 MB. Free memory was 156.4 MB in the beginning and 135.8 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-12-19 04:44:03,619 INFO L168 Benchmark]: TraceAbstraction took 3000.20 ms. Allocated memory was 202.9 MB in the beginning and 248.5 MB in the end (delta: 45.6 MB). Free memory was 135.2 MB in the beginning and 102.5 MB in the end (delta: 32.6 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. [2019-12-19 04:44:03,623 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 906.88 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 100.3 MB in the beginning and 159.9 MB in the end (delta: -59.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 87.22 ms. Allocated memory is still 202.9 MB. Free memory was 159.9 MB in the beginning and 158.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.41 ms. Allocated memory is still 202.9 MB. Free memory was 158.0 MB in the beginning and 156.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 463.79 ms. Allocated memory is still 202.9 MB. Free memory was 156.4 MB in the beginning and 135.8 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3000.20 ms. Allocated memory was 202.9 MB in the beginning and 248.5 MB in the end (delta: 45.6 MB). Free memory was 135.2 MB in the beginning and 102.5 MB in the end (delta: 32.6 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 54 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 363 SDtfs, 475 SDslu, 1020 SDs, 0 SdLazy, 174 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 63 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 23817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...