/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:43:13,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:43:13,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:43:13,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:43:13,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:43:13,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:43:13,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:43:13,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:43:13,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:43:13,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:43:13,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:43:13,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:43:13,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:43:13,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:43:13,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:43:13,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:43:13,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:43:13,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:43:13,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:43:13,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:43:13,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:43:13,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:43:13,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:43:13,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:43:13,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:43:13,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:43:13,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:43:13,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:43:13,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:43:13,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:43:13,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:43:13,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:43:13,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:43:13,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:43:13,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:43:13,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:43:13,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:43:13,775 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:43:13,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:43:13,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:43:13,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:43:13,777 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:43:13,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:43:13,778 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:43:13,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:43:13,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:43:13,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:43:13,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:43:13,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:43:13,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:43:13,781 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:43:13,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:43:13,781 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:43:13,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:43:13,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:43:13,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:43:13,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:43:13,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:43:13,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:43:13,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:43:13,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:43:13,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:43:13,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:43:13,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:43:13,784 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:43:13,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:43:14,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:43:14,078 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:43:14,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:43:14,083 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:43:14,083 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:43:14,084 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i [2020-10-05 23:43:14,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7825a83bf/1a1ce730bf2244d5a4c8fd36f648279b/FLAG3fa2c0af3 [2020-10-05 23:43:14,649 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:43:14,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i [2020-10-05 23:43:14,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7825a83bf/1a1ce730bf2244d5a4c8fd36f648279b/FLAG3fa2c0af3 [2020-10-05 23:43:14,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7825a83bf/1a1ce730bf2244d5a4c8fd36f648279b [2020-10-05 23:43:14,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:43:14,997 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:43:14,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:43:14,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:43:15,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:43:15,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:43:14" (1/1) ... [2020-10-05 23:43:15,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56383a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:15, skipping insertion in model container [2020-10-05 23:43:15,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:43:14" (1/1) ... [2020-10-05 23:43:15,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:43:15,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:43:15,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:43:15,588 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:43:15,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:43:15,725 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:43:15,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:15 WrapperNode [2020-10-05 23:43:15,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:43:15,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:43:15,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:43:15,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:43:15,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:15" (1/1) ... [2020-10-05 23:43:15,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:15" (1/1) ... [2020-10-05 23:43:15,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:43:15,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:43:15,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:43:15,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:43:15,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:15" (1/1) ... [2020-10-05 23:43:15,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:15" (1/1) ... [2020-10-05 23:43:15,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:15" (1/1) ... [2020-10-05 23:43:15,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:15" (1/1) ... [2020-10-05 23:43:15,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:15" (1/1) ... [2020-10-05 23:43:15,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:15" (1/1) ... [2020-10-05 23:43:15,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:15" (1/1) ... [2020-10-05 23:43:15,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:43:15,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:43:15,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:43:15,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:43:15,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:15" (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 [2020-10-05 23:43:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:43:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:43:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:43:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:43:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:43:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:43:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:43:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:43:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:43:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:43:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-05 23:43:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-05 23:43:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:43:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:43:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:43:15,887 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:43:16,269 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:43:16,270 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-05 23:43:16,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:43:16 BoogieIcfgContainer [2020-10-05 23:43:16,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:43:16,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:43:16,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:43:16,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:43:16,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:43:14" (1/3) ... [2020-10-05 23:43:16,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7337f756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:43:16, skipping insertion in model container [2020-10-05 23:43:16,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:43:15" (2/3) ... [2020-10-05 23:43:16,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7337f756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:43:16, skipping insertion in model container [2020-10-05 23:43:16,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:43:16" (3/3) ... [2020-10-05 23:43:16,282 INFO L109 eAbstractionObserver]: Analyzing ICFG thin002_pso.opt.i [2020-10-05 23:43:16,292 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:43:16,293 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:43:16,301 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-05 23:43:16,302 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:43:16,334 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,334 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,334 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,335 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,335 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,337 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,337 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,339 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,339 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,339 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,340 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,340 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,341 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,341 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,341 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,342 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,345 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,346 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,346 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,346 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,353 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,353 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,354 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,354 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,356 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,357 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,359 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,360 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:43:16,375 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-05 23:43:16,393 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:43:16,393 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:43:16,393 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:43:16,393 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:43:16,393 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:43:16,393 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:43:16,394 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:43:16,394 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:43:16,408 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 86 transitions, 192 flow [2020-10-05 23:43:16,409 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 97 places, 86 transitions, 192 flow [2020-10-05 23:43:16,459 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2020-10-05 23:43:16,460 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:43:16,465 INFO L80 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 66 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2020-10-05 23:43:16,469 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 97 places, 86 transitions, 192 flow [2020-10-05 23:43:16,505 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2020-10-05 23:43:16,505 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:43:16,506 INFO L80 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 66 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2020-10-05 23:43:16,509 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2016 [2020-10-05 23:43:16,511 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:43:18,017 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4485 [2020-10-05 23:43:18,017 INFO L214 etLargeBlockEncoding]: Total number of compositions: 67 [2020-10-05 23:43:18,021 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 29 transitions, 78 flow [2020-10-05 23:43:18,120 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1450 states. [2020-10-05 23:43:18,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-10-05 23:43:18,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-05 23:43:18,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:18,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:18,135 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:18,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:18,141 INFO L82 PathProgramCache]: Analyzing trace with hash 546901279, now seen corresponding path program 1 times [2020-10-05 23:43:18,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:18,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792595262] [2020-10-05 23:43:18,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:18,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:18,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792595262] [2020-10-05 23:43:18,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:18,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:43:18,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309260176] [2020-10-05 23:43:18,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-05 23:43:18,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:18,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-05 23:43:18,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-05 23:43:18,378 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 2 states. [2020-10-05 23:43:18,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:18,445 INFO L93 Difference]: Finished difference Result 1450 states and 5376 transitions. [2020-10-05 23:43:18,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-05 23:43:18,447 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-05 23:43:18,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:18,486 INFO L225 Difference]: With dead ends: 1450 [2020-10-05 23:43:18,486 INFO L226 Difference]: Without dead ends: 1194 [2020-10-05 23:43:18,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-05 23:43:18,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-10-05 23:43:18,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1194. [2020-10-05 23:43:18,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-10-05 23:43:18,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 4352 transitions. [2020-10-05 23:43:18,648 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 4352 transitions. Word has length 10 [2020-10-05 23:43:18,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:18,649 INFO L479 AbstractCegarLoop]: Abstraction has 1194 states and 4352 transitions. [2020-10-05 23:43:18,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-05 23:43:18,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 4352 transitions. [2020-10-05 23:43:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 23:43:18,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:18,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:18,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:43:18,666 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:18,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:18,667 INFO L82 PathProgramCache]: Analyzing trace with hash -225951647, now seen corresponding path program 1 times [2020-10-05 23:43:18,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:18,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326549124] [2020-10-05 23:43:18,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:18,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:18,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326549124] [2020-10-05 23:43:18,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:18,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:43:18,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037683297] [2020-10-05 23:43:18,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:43:18,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:18,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:43:18,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:43:18,847 INFO L87 Difference]: Start difference. First operand 1194 states and 4352 transitions. Second operand 4 states. [2020-10-05 23:43:18,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:18,908 INFO L93 Difference]: Finished difference Result 1322 states and 4640 transitions. [2020-10-05 23:43:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:43:18,908 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-05 23:43:18,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:18,918 INFO L225 Difference]: With dead ends: 1322 [2020-10-05 23:43:18,918 INFO L226 Difference]: Without dead ends: 1066 [2020-10-05 23:43:18,919 INFO L675 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 [2020-10-05 23:43:18,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2020-10-05 23:43:18,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1066. [2020-10-05 23:43:18,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2020-10-05 23:43:18,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 3808 transitions. [2020-10-05 23:43:18,963 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 3808 transitions. Word has length 11 [2020-10-05 23:43:18,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:18,963 INFO L479 AbstractCegarLoop]: Abstraction has 1066 states and 3808 transitions. [2020-10-05 23:43:18,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:43:18,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 3808 transitions. [2020-10-05 23:43:18,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:43:18,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:18,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:18,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:43:18,965 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:18,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:18,966 INFO L82 PathProgramCache]: Analyzing trace with hash -426404145, now seen corresponding path program 1 times [2020-10-05 23:43:18,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:18,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746727341] [2020-10-05 23:43:18,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:19,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:19,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746727341] [2020-10-05 23:43:19,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:19,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:43:19,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657353045] [2020-10-05 23:43:19,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:43:19,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:19,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:43:19,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:43:19,052 INFO L87 Difference]: Start difference. First operand 1066 states and 3808 transitions. Second operand 4 states. [2020-10-05 23:43:19,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:19,086 INFO L93 Difference]: Finished difference Result 1162 states and 4016 transitions. [2020-10-05 23:43:19,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:43:19,087 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-05 23:43:19,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:19,095 INFO L225 Difference]: With dead ends: 1162 [2020-10-05 23:43:19,095 INFO L226 Difference]: Without dead ends: 970 [2020-10-05 23:43:19,096 INFO L675 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 [2020-10-05 23:43:19,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2020-10-05 23:43:19,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 970. [2020-10-05 23:43:19,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2020-10-05 23:43:19,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 3408 transitions. [2020-10-05 23:43:19,133 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 3408 transitions. Word has length 12 [2020-10-05 23:43:19,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:19,134 INFO L479 AbstractCegarLoop]: Abstraction has 970 states and 3408 transitions. [2020-10-05 23:43:19,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:43:19,134 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 3408 transitions. [2020-10-05 23:43:19,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:43:19,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:19,136 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:19,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:43:19,136 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:19,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:19,137 INFO L82 PathProgramCache]: Analyzing trace with hash -333650641, now seen corresponding path program 1 times [2020-10-05 23:43:19,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:19,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367009500] [2020-10-05 23:43:19,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:19,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:19,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367009500] [2020-10-05 23:43:19,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:19,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:43:19,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813554768] [2020-10-05 23:43:19,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:43:19,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:19,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:43:19,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:43:19,209 INFO L87 Difference]: Start difference. First operand 970 states and 3408 transitions. Second operand 5 states. [2020-10-05 23:43:19,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:19,265 INFO L93 Difference]: Finished difference Result 1210 states and 4120 transitions. [2020-10-05 23:43:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:43:19,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-05 23:43:19,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:19,270 INFO L225 Difference]: With dead ends: 1210 [2020-10-05 23:43:19,271 INFO L226 Difference]: Without dead ends: 586 [2020-10-05 23:43:19,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:43:19,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2020-10-05 23:43:19,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 586. [2020-10-05 23:43:19,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-05 23:43:19,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 1872 transitions. [2020-10-05 23:43:19,293 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 1872 transitions. Word has length 13 [2020-10-05 23:43:19,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:19,293 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 1872 transitions. [2020-10-05 23:43:19,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:43:19,294 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1872 transitions. [2020-10-05 23:43:19,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-05 23:43:19,295 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:19,295 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:19,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:43:19,296 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:19,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:19,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1296364861, now seen corresponding path program 1 times [2020-10-05 23:43:19,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:19,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320372135] [2020-10-05 23:43:19,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:19,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:19,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320372135] [2020-10-05 23:43:19,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:19,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:43:19,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944399291] [2020-10-05 23:43:19,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:43:19,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:19,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:43:19,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:43:19,373 INFO L87 Difference]: Start difference. First operand 586 states and 1872 transitions. Second operand 5 states. [2020-10-05 23:43:19,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:19,426 INFO L93 Difference]: Finished difference Result 802 states and 2494 transitions. [2020-10-05 23:43:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:43:19,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-05 23:43:19,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:19,430 INFO L225 Difference]: With dead ends: 802 [2020-10-05 23:43:19,430 INFO L226 Difference]: Without dead ends: 346 [2020-10-05 23:43:19,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:43:19,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-10-05 23:43:19,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2020-10-05 23:43:19,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-10-05 23:43:19,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 1012 transitions. [2020-10-05 23:43:19,445 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 1012 transitions. Word has length 15 [2020-10-05 23:43:19,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:19,446 INFO L479 AbstractCegarLoop]: Abstraction has 346 states and 1012 transitions. [2020-10-05 23:43:19,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:43:19,447 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 1012 transitions. [2020-10-05 23:43:19,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-05 23:43:19,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:19,448 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:19,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:43:19,448 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:19,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:19,449 INFO L82 PathProgramCache]: Analyzing trace with hash 275175569, now seen corresponding path program 1 times [2020-10-05 23:43:19,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:19,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984905237] [2020-10-05 23:43:19,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:19,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:19,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984905237] [2020-10-05 23:43:19,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:19,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:43:19,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478888931] [2020-10-05 23:43:19,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:43:19,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:19,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:43:19,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:43:19,555 INFO L87 Difference]: Start difference. First operand 346 states and 1012 transitions. Second operand 5 states. [2020-10-05 23:43:19,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:19,641 INFO L93 Difference]: Finished difference Result 430 states and 1224 transitions. [2020-10-05 23:43:19,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:43:19,642 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-05 23:43:19,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:19,644 INFO L225 Difference]: With dead ends: 430 [2020-10-05 23:43:19,644 INFO L226 Difference]: Without dead ends: 148 [2020-10-05 23:43:19,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:43:19,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-10-05 23:43:19,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-10-05 23:43:19,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-05 23:43:19,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 398 transitions. [2020-10-05 23:43:19,652 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 398 transitions. Word has length 16 [2020-10-05 23:43:19,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:19,652 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 398 transitions. [2020-10-05 23:43:19,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:43:19,653 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 398 transitions. [2020-10-05 23:43:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-05 23:43:19,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:19,654 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:19,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:43:19,654 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:19,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:19,655 INFO L82 PathProgramCache]: Analyzing trace with hash 355522076, now seen corresponding path program 1 times [2020-10-05 23:43:19,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:19,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279579350] [2020-10-05 23:43:19,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:19,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:19,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279579350] [2020-10-05 23:43:19,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:19,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:43:19,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138966663] [2020-10-05 23:43:19,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:43:19,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:19,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:43:19,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:43:19,741 INFO L87 Difference]: Start difference. First operand 148 states and 398 transitions. Second operand 5 states. [2020-10-05 23:43:19,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:19,775 INFO L93 Difference]: Finished difference Result 124 states and 322 transitions. [2020-10-05 23:43:19,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:43:19,775 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-05 23:43:19,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:19,776 INFO L225 Difference]: With dead ends: 124 [2020-10-05 23:43:19,776 INFO L226 Difference]: Without dead ends: 0 [2020-10-05 23:43:19,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:43:19,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-05 23:43:19,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-05 23:43:19,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-05 23:43:19,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-05 23:43:19,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-05 23:43:19,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:19,777 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-05 23:43:19,778 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:43:19,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-05 23:43:19,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-05 23:43:19,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:43:19,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:43:19 BasicIcfg [2020-10-05 23:43:19,783 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:43:19,787 INFO L168 Benchmark]: Toolchain (without parser) took 4788.20 ms. Allocated memory was 141.6 MB in the beginning and 288.9 MB in the end (delta: 147.3 MB). Free memory was 101.9 MB in the beginning and 233.8 MB in the end (delta: -131.9 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2020-10-05 23:43:19,793 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-05 23:43:19,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.59 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 101.7 MB in the beginning and 160.7 MB in the end (delta: -59.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-10-05 23:43:19,796 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.88 ms. Allocated memory is still 204.5 MB. Free memory was 160.7 MB in the beginning and 158.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:43:19,796 INFO L168 Benchmark]: Boogie Preprocessor took 28.65 ms. Allocated memory is still 204.5 MB. Free memory was 158.7 MB in the beginning and 156.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:43:19,797 INFO L168 Benchmark]: RCFGBuilder took 455.57 ms. Allocated memory is still 204.5 MB. Free memory was 156.8 MB in the beginning and 132.1 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2020-10-05 23:43:19,800 INFO L168 Benchmark]: TraceAbstraction took 3509.15 ms. Allocated memory was 204.5 MB in the beginning and 288.9 MB in the end (delta: 84.4 MB). Free memory was 131.5 MB in the beginning and 233.8 MB in the end (delta: -102.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-05 23:43:19,808 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 729.59 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 101.7 MB in the beginning and 160.7 MB in the end (delta: -59.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 58.88 ms. Allocated memory is still 204.5 MB. Free memory was 160.7 MB in the beginning and 158.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.65 ms. Allocated memory is still 204.5 MB. Free memory was 158.7 MB in the beginning and 156.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 455.57 ms. Allocated memory is still 204.5 MB. Free memory was 156.8 MB in the beginning and 132.1 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3509.15 ms. Allocated memory was 204.5 MB in the beginning and 288.9 MB in the end (delta: 84.4 MB). Free memory was 131.5 MB in the beginning and 233.8 MB in the end (delta: -102.3 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: 1.6s, 97 ProgramPointsBefore, 41 ProgramPointsAfterwards, 86 TransitionsBefore, 29 TransitionsAfterwards, 2016 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 1043 VarBasedMoverChecksPositive, 30 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 4485 CheckedPairsTotal, 67 TotalNumberOfCompositions - PositiveResult [Line: 7]: 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 5 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 204 SDtfs, 248 SDslu, 297 SDs, 0 SdLazy, 51 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1450occurred 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: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 3385 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...