/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/safe019_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:40:24,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:40:24,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:40:24,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:40:24,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:40:24,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:40:24,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:40:24,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:40:24,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:40:24,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:40:24,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:40:24,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:40:24,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:40:24,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:40:24,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:40:24,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:40:24,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:40:24,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:40:24,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:40:24,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:40:24,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:40:24,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:40:24,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:40:24,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:40:24,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:40:24,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:40:24,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:40:24,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:40:24,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:40:24,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:40:24,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:40:24,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:40:24,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:40:24,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:40:24,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:40:24,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:40:24,891 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 23:40:24,932 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:40:24,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:40:24,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:40:24,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:40:24,935 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:40:24,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:40:24,935 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:40:24,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:40:24,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:40:24,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:40:24,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:40:24,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:40:24,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:40:24,938 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:40:24,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:40:24,938 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:40:24,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:40:24,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:40:24,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:40:24,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:40:24,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:40:24,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:40:24,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:40:24,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:40:24,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:40:24,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:40:24,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:40:24,941 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:40:24,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:40:25,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:40:25,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:40:25,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:40:25,258 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:40:25,258 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:40:25,259 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.opt.i [2020-10-05 23:40:25,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03b1ff10b/f8301f9396d5479180acbc98a9abc9df/FLAG514473b2d [2020-10-05 23:40:25,897 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:40:25,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_tso.opt.i [2020-10-05 23:40:25,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03b1ff10b/f8301f9396d5479180acbc98a9abc9df/FLAG514473b2d [2020-10-05 23:40:26,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03b1ff10b/f8301f9396d5479180acbc98a9abc9df [2020-10-05 23:40:26,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:40:26,171 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:40:26,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:40:26,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:40:26,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:40:26,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:40:26" (1/1) ... [2020-10-05 23:40:26,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2940b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:26, skipping insertion in model container [2020-10-05 23:40:26,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:40:26" (1/1) ... [2020-10-05 23:40:26,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:40:26,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:40:26,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:40:26,723 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:40:26,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:40:26,841 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:40:26,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:26 WrapperNode [2020-10-05 23:40:26,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:40:26,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:40:26,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:40:26,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:40:26,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:26" (1/1) ... [2020-10-05 23:40:26,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:26" (1/1) ... [2020-10-05 23:40:26,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:40:26,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:40:26,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:40:26,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:40:26,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:26" (1/1) ... [2020-10-05 23:40:26,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:26" (1/1) ... [2020-10-05 23:40:26,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:26" (1/1) ... [2020-10-05 23:40:26,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:26" (1/1) ... [2020-10-05 23:40:26,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:26" (1/1) ... [2020-10-05 23:40:26,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:26" (1/1) ... [2020-10-05 23:40:26,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:26" (1/1) ... [2020-10-05 23:40:26,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:40:26,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:40:26,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:40:26,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:40:26,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:26" (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 23:40:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:40:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:40:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:40:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:40:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:40:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:40:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:40:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:40:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:40:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:40:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-05 23:40:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-05 23:40:26,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:40:26,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:40:26,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:40:26,998 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 23:40:27,350 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:40:27,351 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-05 23:40:27,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:40:27 BoogieIcfgContainer [2020-10-05 23:40:27,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:40:27,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:40:27,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:40:27,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:40:27,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:40:26" (1/3) ... [2020-10-05 23:40:27,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e60c736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:40:27, skipping insertion in model container [2020-10-05 23:40:27,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:40:26" (2/3) ... [2020-10-05 23:40:27,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e60c736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:40:27, skipping insertion in model container [2020-10-05 23:40:27,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:40:27" (3/3) ... [2020-10-05 23:40:27,365 INFO L109 eAbstractionObserver]: Analyzing ICFG safe019_tso.opt.i [2020-10-05 23:40:27,375 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:40:27,375 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:40:27,382 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-05 23:40:27,383 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:40:27,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,415 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,416 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,418 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,418 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,419 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,424 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,424 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,425 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,425 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,426 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,427 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,434 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,434 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,435 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,435 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,444 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,445 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,449 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,449 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,459 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,460 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,460 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,460 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:40:27,481 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-05 23:40:27,502 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:40:27,502 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:40:27,503 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:40:27,503 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:40:27,503 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:40:27,503 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:40:27,503 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:40:27,503 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:40:27,530 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 81 transitions, 182 flow [2020-10-05 23:40:27,534 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 92 places, 81 transitions, 182 flow [2020-10-05 23:40:27,583 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-05 23:40:27,583 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:40:27,589 INFO L80 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 59 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2020-10-05 23:40:27,593 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 92 places, 81 transitions, 182 flow [2020-10-05 23:40:27,618 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-05 23:40:27,618 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:40:27,619 INFO L80 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 59 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2020-10-05 23:40:27,622 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1822 [2020-10-05 23:40:27,623 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:40:29,153 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-10-05 23:40:29,348 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3093 [2020-10-05 23:40:29,348 INFO L214 etLargeBlockEncoding]: Total number of compositions: 65 [2020-10-05 23:40:29,352 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 25 transitions, 70 flow [2020-10-05 23:40:29,397 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states. [2020-10-05 23:40:29,400 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states. [2020-10-05 23:40:29,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-05 23:40:29,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:40:29,412 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:40:29,412 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:40:29,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:40:29,419 INFO L82 PathProgramCache]: Analyzing trace with hash -2005095105, now seen corresponding path program 1 times [2020-10-05 23:40:29,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:40:29,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592415902] [2020-10-05 23:40:29,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:40:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:40:29,684 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 23:40:29,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592415902] [2020-10-05 23:40:29,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:40:29,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:40:29,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505725264] [2020-10-05 23:40:29,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:40:29,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:40:29,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:40:29,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:40:29,708 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states. [2020-10-05 23:40:29,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:40:29,769 INFO L93 Difference]: Finished difference Result 670 states and 2295 transitions. [2020-10-05 23:40:29,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:40:29,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-05 23:40:29,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:40:29,796 INFO L225 Difference]: With dead ends: 670 [2020-10-05 23:40:29,797 INFO L226 Difference]: Without dead ends: 526 [2020-10-05 23:40:29,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:40:29,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-10-05 23:40:29,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-10-05 23:40:29,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-10-05 23:40:29,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1743 transitions. [2020-10-05 23:40:29,900 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1743 transitions. Word has length 10 [2020-10-05 23:40:29,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:40:29,906 INFO L479 AbstractCegarLoop]: Abstraction has 526 states and 1743 transitions. [2020-10-05 23:40:29,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:40:29,907 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1743 transitions. [2020-10-05 23:40:29,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 23:40:29,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:40:29,910 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:40:29,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:40:29,911 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:40:29,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:40:29,912 INFO L82 PathProgramCache]: Analyzing trace with hash -2027540211, now seen corresponding path program 1 times [2020-10-05 23:40:29,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:40:29,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097515537] [2020-10-05 23:40:29,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:40:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:40:29,999 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 23:40:30,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097515537] [2020-10-05 23:40:30,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:40:30,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:40:30,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454566027] [2020-10-05 23:40:30,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:40:30,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:40:30,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:40:30,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:40:30,003 INFO L87 Difference]: Start difference. First operand 526 states and 1743 transitions. Second operand 4 states. [2020-10-05 23:40:30,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:40:30,085 INFO L93 Difference]: Finished difference Result 724 states and 2331 transitions. [2020-10-05 23:40:30,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:40:30,085 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-05 23:40:30,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:40:30,095 INFO L225 Difference]: With dead ends: 724 [2020-10-05 23:40:30,096 INFO L226 Difference]: Without dead ends: 412 [2020-10-05 23:40:30,101 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 23:40:30,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2020-10-05 23:40:30,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2020-10-05 23:40:30,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-10-05 23:40:30,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 1323 transitions. [2020-10-05 23:40:30,140 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 1323 transitions. Word has length 11 [2020-10-05 23:40:30,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:40:30,141 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 1323 transitions. [2020-10-05 23:40:30,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:40:30,141 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1323 transitions. [2020-10-05 23:40:30,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:40:30,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:40:30,148 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:40:30,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:40:30,148 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:40:30,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:40:30,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1543893440, now seen corresponding path program 1 times [2020-10-05 23:40:30,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:40:30,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845414031] [2020-10-05 23:40:30,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:40:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:40:30,218 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 23:40:30,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845414031] [2020-10-05 23:40:30,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:40:30,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:40:30,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116236501] [2020-10-05 23:40:30,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:40:30,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:40:30,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:40:30,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:40:30,235 INFO L87 Difference]: Start difference. First operand 412 states and 1323 transitions. Second operand 3 states. [2020-10-05 23:40:30,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:40:30,245 INFO L93 Difference]: Finished difference Result 394 states and 1254 transitions. [2020-10-05 23:40:30,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:40:30,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-05 23:40:30,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:40:30,249 INFO L225 Difference]: With dead ends: 394 [2020-10-05 23:40:30,249 INFO L226 Difference]: Without dead ends: 394 [2020-10-05 23:40:30,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:40:30,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-10-05 23:40:30,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2020-10-05 23:40:30,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-05 23:40:30,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1254 transitions. [2020-10-05 23:40:30,264 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1254 transitions. Word has length 12 [2020-10-05 23:40:30,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:40:30,265 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 1254 transitions. [2020-10-05 23:40:30,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:40:30,265 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1254 transitions. [2020-10-05 23:40:30,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:40:30,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:40:30,266 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:40:30,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:40:30,267 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:40:30,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:40:30,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1381595750, now seen corresponding path program 1 times [2020-10-05 23:40:30,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:40:30,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597079179] [2020-10-05 23:40:30,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:40:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:40:30,313 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 23:40:30,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597079179] [2020-10-05 23:40:30,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:40:30,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:40:30,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874893648] [2020-10-05 23:40:30,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:40:30,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:40:30,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:40:30,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:40:30,316 INFO L87 Difference]: Start difference. First operand 394 states and 1254 transitions. Second operand 4 states. [2020-10-05 23:40:30,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:40:30,343 INFO L93 Difference]: Finished difference Result 652 states and 1957 transitions. [2020-10-05 23:40:30,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:40:30,344 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-05 23:40:30,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:40:30,347 INFO L225 Difference]: With dead ends: 652 [2020-10-05 23:40:30,347 INFO L226 Difference]: Without dead ends: 340 [2020-10-05 23:40:30,347 INFO L675 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 [2020-10-05 23:40:30,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-10-05 23:40:30,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 304. [2020-10-05 23:40:30,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-05 23:40:30,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 891 transitions. [2020-10-05 23:40:30,359 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 891 transitions. Word has length 13 [2020-10-05 23:40:30,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:40:30,359 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 891 transitions. [2020-10-05 23:40:30,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:40:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 891 transitions. [2020-10-05 23:40:30,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:40:30,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:40:30,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:40:30,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:40:30,361 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:40:30,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:40:30,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1391724752, now seen corresponding path program 1 times [2020-10-05 23:40:30,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:40:30,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339766081] [2020-10-05 23:40:30,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:40:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:40:30,405 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 23:40:30,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339766081] [2020-10-05 23:40:30,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:40:30,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:40:30,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827567085] [2020-10-05 23:40:30,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:40:30,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:40:30,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:40:30,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:40:30,408 INFO L87 Difference]: Start difference. First operand 304 states and 891 transitions. Second operand 4 states. [2020-10-05 23:40:30,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:40:30,429 INFO L93 Difference]: Finished difference Result 406 states and 1128 transitions. [2020-10-05 23:40:30,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:40:30,430 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-05 23:40:30,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:40:30,432 INFO L225 Difference]: With dead ends: 406 [2020-10-05 23:40:30,432 INFO L226 Difference]: Without dead ends: 226 [2020-10-05 23:40:30,432 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 23:40:30,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-10-05 23:40:30,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-10-05 23:40:30,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-05 23:40:30,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 619 transitions. [2020-10-05 23:40:30,440 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 619 transitions. Word has length 13 [2020-10-05 23:40:30,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:40:30,440 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 619 transitions. [2020-10-05 23:40:30,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:40:30,441 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 619 transitions. [2020-10-05 23:40:30,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-05 23:40:30,441 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:40:30,442 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:40:30,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:40:30,442 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:40:30,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:40:30,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1162350155, now seen corresponding path program 1 times [2020-10-05 23:40:30,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:40:30,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738350896] [2020-10-05 23:40:30,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:40:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:40:30,515 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 23:40:30,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738350896] [2020-10-05 23:40:30,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:40:30,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:40:30,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167792837] [2020-10-05 23:40:30,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:40:30,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:40:30,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:40:30,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:40:30,517 INFO L87 Difference]: Start difference. First operand 226 states and 619 transitions. Second operand 4 states. [2020-10-05 23:40:30,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:40:30,575 INFO L93 Difference]: Finished difference Result 287 states and 728 transitions. [2020-10-05 23:40:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:40:30,576 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-05 23:40:30,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:40:30,578 INFO L225 Difference]: With dead ends: 287 [2020-10-05 23:40:30,578 INFO L226 Difference]: Without dead ends: 206 [2020-10-05 23:40:30,579 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 23:40:30,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-05 23:40:30,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-10-05 23:40:30,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-10-05 23:40:30,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 530 transitions. [2020-10-05 23:40:30,586 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 530 transitions. Word has length 14 [2020-10-05 23:40:30,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:40:30,587 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 530 transitions. [2020-10-05 23:40:30,587 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:40:30,588 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 530 transitions. [2020-10-05 23:40:30,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-05 23:40:30,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:40:30,589 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:40:30,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:40:30,589 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:40:30,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:40:30,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1647463604, now seen corresponding path program 1 times [2020-10-05 23:40:30,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:40:30,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733851509] [2020-10-05 23:40:30,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:40:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:40:30,698 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 23:40:30,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733851509] [2020-10-05 23:40:30,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:40:30,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:40:30,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848962008] [2020-10-05 23:40:30,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:40:30,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:40:30,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:40:30,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:40:30,700 INFO L87 Difference]: Start difference. First operand 206 states and 530 transitions. Second operand 5 states. [2020-10-05 23:40:30,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:40:30,758 INFO L93 Difference]: Finished difference Result 227 states and 530 transitions. [2020-10-05 23:40:30,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:40:30,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-05 23:40:30,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:40:30,760 INFO L225 Difference]: With dead ends: 227 [2020-10-05 23:40:30,760 INFO L226 Difference]: Without dead ends: 162 [2020-10-05 23:40:30,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:40:30,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-05 23:40:30,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-10-05 23:40:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-05 23:40:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 369 transitions. [2020-10-05 23:40:30,766 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 369 transitions. Word has length 15 [2020-10-05 23:40:30,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:40:30,766 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 369 transitions. [2020-10-05 23:40:30,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:40:30,766 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 369 transitions. [2020-10-05 23:40:30,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-05 23:40:30,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:40:30,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:40:30,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:40:30,768 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:40:30,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:40:30,768 INFO L82 PathProgramCache]: Analyzing trace with hash -469082430, now seen corresponding path program 1 times [2020-10-05 23:40:30,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:40:30,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857984917] [2020-10-05 23:40:30,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:40:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:40:30,837 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 23:40:30,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857984917] [2020-10-05 23:40:30,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:40:30,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:40:30,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617537324] [2020-10-05 23:40:30,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:40:30,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:40:30,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:40:30,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:40:30,841 INFO L87 Difference]: Start difference. First operand 162 states and 369 transitions. Second operand 6 states. [2020-10-05 23:40:30,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:40:30,908 INFO L93 Difference]: Finished difference Result 158 states and 337 transitions. [2020-10-05 23:40:30,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:40:30,908 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-05 23:40:30,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:40:30,910 INFO L225 Difference]: With dead ends: 158 [2020-10-05 23:40:30,913 INFO L226 Difference]: Without dead ends: 125 [2020-10-05 23:40:30,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:40:30,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-05 23:40:30,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-10-05 23:40:30,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-05 23:40:30,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 265 transitions. [2020-10-05 23:40:30,924 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 265 transitions. Word has length 16 [2020-10-05 23:40:30,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:40:30,925 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 265 transitions. [2020-10-05 23:40:30,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:40:30,925 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 265 transitions. [2020-10-05 23:40:30,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-05 23:40:30,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:40:30,929 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 23:40:30,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-05 23:40:30,930 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:40:30,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:40:30,930 INFO L82 PathProgramCache]: Analyzing trace with hash 483879941, now seen corresponding path program 1 times [2020-10-05 23:40:30,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:40:30,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771306492] [2020-10-05 23:40:30,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:40:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:40:31,050 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 23:40:31,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771306492] [2020-10-05 23:40:31,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:40:31,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:40:31,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16762442] [2020-10-05 23:40:31,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:40:31,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:40:31,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:40:31,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:40:31,053 INFO L87 Difference]: Start difference. First operand 125 states and 265 transitions. Second operand 7 states. [2020-10-05 23:40:31,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:40:31,120 INFO L93 Difference]: Finished difference Result 120 states and 253 transitions. [2020-10-05 23:40:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-05 23:40:31,121 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-05 23:40:31,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:40:31,122 INFO L225 Difference]: With dead ends: 120 [2020-10-05 23:40:31,122 INFO L226 Difference]: Without dead ends: 71 [2020-10-05 23:40:31,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:40:31,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-05 23:40:31,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-05 23:40:31,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-05 23:40:31,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 143 transitions. [2020-10-05 23:40:31,125 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 143 transitions. Word has length 18 [2020-10-05 23:40:31,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:40:31,126 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 143 transitions. [2020-10-05 23:40:31,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:40:31,126 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions. [2020-10-05 23:40:31,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-05 23:40:31,127 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:40:31,127 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:40:31,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-05 23:40:31,127 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:40:31,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:40:31,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1087350585, now seen corresponding path program 1 times [2020-10-05 23:40:31,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:40:31,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810873866] [2020-10-05 23:40:31,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:40:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:40:31,197 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 23:40:31,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810873866] [2020-10-05 23:40:31,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:40:31,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:40:31,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209730783] [2020-10-05 23:40:31,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:40:31,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:40:31,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:40:31,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:40:31,199 INFO L87 Difference]: Start difference. First operand 71 states and 143 transitions. Second operand 4 states. [2020-10-05 23:40:31,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:40:31,212 INFO L93 Difference]: Finished difference Result 70 states and 142 transitions. [2020-10-05 23:40:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:40:31,213 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-05 23:40:31,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:40:31,213 INFO L225 Difference]: With dead ends: 70 [2020-10-05 23:40:31,213 INFO L226 Difference]: Without dead ends: 0 [2020-10-05 23:40:31,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 23:40:31,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-05 23:40:31,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-05 23:40:31,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-05 23:40:31,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-05 23:40:31,215 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-10-05 23:40:31,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:40:31,216 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-05 23:40:31,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:40:31,217 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-05 23:40:31,217 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-05 23:40:31,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-05 23:40:31,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:40:31 BasicIcfg [2020-10-05 23:40:31,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:40:31,222 INFO L168 Benchmark]: Toolchain (without parser) took 5051.95 ms. Allocated memory was 143.1 MB in the beginning and 285.2 MB in the end (delta: 142.1 MB). Free memory was 101.6 MB in the beginning and 244.3 MB in the end (delta: -142.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-05 23:40:31,223 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 143.1 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-05 23:40:31,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.70 ms. Allocated memory was 143.1 MB in the beginning and 203.4 MB in the end (delta: 60.3 MB). Free memory was 101.4 MB in the beginning and 160.4 MB in the end (delta: -59.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:40:31,225 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.66 ms. Allocated memory is still 203.4 MB. Free memory was 160.4 MB in the beginning and 158.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:40:31,225 INFO L168 Benchmark]: Boogie Preprocessor took 26.78 ms. Allocated memory is still 203.4 MB. Free memory was 158.5 MB in the beginning and 157.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:40:31,226 INFO L168 Benchmark]: RCFGBuilder took 435.21 ms. Allocated memory is still 203.4 MB. Free memory was 156.5 MB in the beginning and 133.0 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-10-05 23:40:31,227 INFO L168 Benchmark]: TraceAbstraction took 3863.27 ms. Allocated memory was 203.4 MB in the beginning and 285.2 MB in the end (delta: 81.8 MB). Free memory was 132.4 MB in the beginning and 244.3 MB in the end (delta: -111.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-05 23:40:31,231 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 143.1 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 670.70 ms. Allocated memory was 143.1 MB in the beginning and 203.4 MB in the end (delta: 60.3 MB). Free memory was 101.4 MB in the beginning and 160.4 MB in the end (delta: -59.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.66 ms. Allocated memory is still 203.4 MB. Free memory was 160.4 MB in the beginning and 158.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.78 ms. Allocated memory is still 203.4 MB. Free memory was 158.5 MB in the beginning and 157.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 435.21 ms. Allocated memory is still 203.4 MB. Free memory was 156.5 MB in the beginning and 133.0 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3863.27 ms. Allocated memory was 203.4 MB in the beginning and 285.2 MB in the end (delta: 81.8 MB). Free memory was 132.4 MB in the beginning and 244.3 MB in the end (delta: -111.9 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: 1.8s, 92 ProgramPointsBefore, 38 ProgramPointsAfterwards, 81 TransitionsBefore, 25 TransitionsAfterwards, 1822 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 944 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 3093 CheckedPairsTotal, 65 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, 80 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: 219 SDtfs, 238 SDslu, 326 SDs, 0 SdLazy, 185 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred 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, 10 MinimizatonAttempts, 36 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 5386 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...