/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 18:40:21,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 18:40:21,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 18:40:21,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 18:40:21,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 18:40:21,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 18:40:21,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 18:40:21,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 18:40:21,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 18:40:21,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 18:40:21,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 18:40:21,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 18:40:21,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 18:40:21,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 18:40:21,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 18:40:21,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 18:40:21,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 18:40:21,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 18:40:21,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 18:40:21,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 18:40:21,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 18:40:21,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 18:40:21,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 18:40:21,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 18:40:21,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-11 18:40:21,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 18:40:21,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 18:40:21,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 18:40:21,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 18:40:21,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 18:40:21,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 18:40:21,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 18:40:21,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 18:40:21,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 18:40:21,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 18:40:21,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 18:40:21,810 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-11 18:40:21,833 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 18:40:21,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 18:40:21,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 18:40:21,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 18:40:21,835 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 18:40:21,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 18:40:21,835 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 18:40:21,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 18:40:21,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 18:40:21,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 18:40:21,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 18:40:21,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 18:40:21,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 18:40:21,836 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 18:40:21,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 18:40:21,837 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 18:40:21,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 18:40:21,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 18:40:21,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 18:40:21,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 18:40:21,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 18:40:21,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 18:40:21,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 18:40:21,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 18:40:21,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 18:40:21,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 18:40:21,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 18:40:21,839 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 18:40:21,839 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 18:40:21,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 18:40:22,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 18:40:22,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 18:40:22,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 18:40:22,143 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 18:40:22,145 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 18:40:22,146 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.opt.i [2020-10-11 18:40:22,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac59eb363/618daec7b3a243d8afb775a71f7c5f72/FLAG5d9fd97a8 [2020-10-11 18:40:22,796 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 18:40:22,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.opt.i [2020-10-11 18:40:22,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac59eb363/618daec7b3a243d8afb775a71f7c5f72/FLAG5d9fd97a8 [2020-10-11 18:40:23,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac59eb363/618daec7b3a243d8afb775a71f7c5f72 [2020-10-11 18:40:23,066 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 18:40:23,068 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 18:40:23,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 18:40:23,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 18:40:23,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 18:40:23,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:40:23" (1/1) ... [2020-10-11 18:40:23,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691e5957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:40:23, skipping insertion in model container [2020-10-11 18:40:23,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:40:23" (1/1) ... [2020-10-11 18:40:23,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 18:40:23,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 18:40:23,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:40:23,642 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 18:40:23,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:40:23,820 INFO L208 MainTranslator]: Completed translation [2020-10-11 18:40:23,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:40:23 WrapperNode [2020-10-11 18:40:23,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 18:40:23,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 18:40:23,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 18:40:23,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 18:40:23,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:40:23" (1/1) ... [2020-10-11 18:40:23,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:40:23" (1/1) ... [2020-10-11 18:40:23,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 18:40:23,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 18:40:23,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 18:40:23,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 18:40:23,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:40:23" (1/1) ... [2020-10-11 18:40:23,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:40:23" (1/1) ... [2020-10-11 18:40:23,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:40:23" (1/1) ... [2020-10-11 18:40:23,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:40:23" (1/1) ... [2020-10-11 18:40:23,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:40:23" (1/1) ... [2020-10-11 18:40:23,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:40:23" (1/1) ... [2020-10-11 18:40:23,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:40:23" (1/1) ... [2020-10-11 18:40:23,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 18:40:23,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 18:40:23,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 18:40:23,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 18:40:23,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:40:23" (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 [2020-10-11 18:40:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 18:40:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-11 18:40:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 18:40:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 18:40:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-11 18:40:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-11 18:40:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-11 18:40:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-11 18:40:23,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-11 18:40:23,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 18:40:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 18:40:23,993 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 18:40:24,318 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 18:40:24,318 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-11 18:40:24,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:40:24 BoogieIcfgContainer [2020-10-11 18:40:24,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 18:40:24,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 18:40:24,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 18:40:24,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 18:40:24,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 06:40:23" (1/3) ... [2020-10-11 18:40:24,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad33f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:40:24, skipping insertion in model container [2020-10-11 18:40:24,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:40:23" (2/3) ... [2020-10-11 18:40:24,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad33f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:40:24, skipping insertion in model container [2020-10-11 18:40:24,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:40:24" (3/3) ... [2020-10-11 18:40:24,328 INFO L111 eAbstractionObserver]: Analyzing ICFG safe022_tso.opt.i [2020-10-11 18:40:24,339 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 18:40:24,346 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-11 18:40:24,347 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 18:40:24,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,372 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,372 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,374 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,374 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,379 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,379 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,384 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,384 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:40:24,401 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-11 18:40:24,418 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 18:40:24,418 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 18:40:24,418 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 18:40:24,418 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 18:40:24,418 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 18:40:24,419 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 18:40:24,419 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 18:40:24,419 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 18:40:24,429 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 122 flow [2020-10-11 18:40:24,465 INFO L129 PetriNetUnfolder]: 2/54 cut-off events. [2020-10-11 18:40:24,465 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:40:24,470 INFO L80 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 54 events. 2/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2020-10-11 18:40:24,470 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 56 transitions, 122 flow [2020-10-11 18:40:24,475 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 51 places, 45 transitions, 96 flow [2020-10-11 18:40:24,493 INFO L129 PetriNetUnfolder]: 1/44 cut-off events. [2020-10-11 18:40:24,493 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:40:24,493 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:40:24,494 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:40:24,495 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:40:24,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:40:24,501 INFO L82 PathProgramCache]: Analyzing trace with hash 441942769, now seen corresponding path program 1 times [2020-10-11 18:40:24,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:40:24,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945909403] [2020-10-11 18:40:24,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:40:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:40:24,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:40:24,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945909403] [2020-10-11 18:40:24,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:40:24,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:40:24,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411094942] [2020-10-11 18:40:24,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:40:24,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:40:24,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:40:24,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:40:25,091 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 56 [2020-10-11 18:40:25,093 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 45 transitions, 96 flow. Second operand 6 states. [2020-10-11 18:40:25,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:40:25,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 56 [2020-10-11 18:40:25,096 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:40:25,280 INFO L129 PetriNetUnfolder]: 3/59 cut-off events. [2020-10-11 18:40:25,281 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:40:25,283 INFO L80 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 59 events. 3/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 79 event pairs, 0 based on Foata normal form. 4/62 useless extension candidates. Maximal degree in co-relation 63. Up to 7 conditions per place. [2020-10-11 18:40:25,286 INFO L132 encePairwiseOnDemand]: 49/56 looper letters, 6 selfloop transitions, 2 changer transitions 11/54 dead transitions. [2020-10-11 18:40:25,286 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 54 transitions, 150 flow [2020-10-11 18:40:25,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:40:25,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:40:25,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 436 transitions. [2020-10-11 18:40:25,313 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8650793650793651 [2020-10-11 18:40:25,314 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 436 transitions. [2020-10-11 18:40:25,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 436 transitions. [2020-10-11 18:40:25,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:40:25,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 436 transitions. [2020-10-11 18:40:25,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:40:25,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:40:25,336 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:40:25,339 INFO L185 Difference]: Start difference. First operand has 51 places, 45 transitions, 96 flow. Second operand 9 states and 436 transitions. [2020-10-11 18:40:25,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 54 transitions, 150 flow [2020-10-11 18:40:25,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 54 transitions, 148 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-11 18:40:25,347 INFO L241 Difference]: Finished difference. Result has 64 places, 43 transitions, 110 flow [2020-10-11 18:40:25,350 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=110, PETRI_PLACES=64, PETRI_TRANSITIONS=43} [2020-10-11 18:40:25,351 INFO L341 CegarLoopForPetriNet]: 51 programPoint places, 13 predicate places. [2020-10-11 18:40:25,351 INFO L481 AbstractCegarLoop]: Abstraction has has 64 places, 43 transitions, 110 flow [2020-10-11 18:40:25,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:40:25,351 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:40:25,352 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:40:25,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 18:40:25,352 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:40:25,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:40:25,353 INFO L82 PathProgramCache]: Analyzing trace with hash -954630478, now seen corresponding path program 1 times [2020-10-11 18:40:25,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:40:25,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431841149] [2020-10-11 18:40:25,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:40:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:40:25,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:40:25,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431841149] [2020-10-11 18:40:25,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:40:25,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:40:25,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229551467] [2020-10-11 18:40:25,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:40:25,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:40:25,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:40:25,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:40:25,714 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 56 [2020-10-11 18:40:25,714 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 43 transitions, 110 flow. Second operand 7 states. [2020-10-11 18:40:25,714 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:40:25,715 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 56 [2020-10-11 18:40:25,715 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:40:25,857 INFO L129 PetriNetUnfolder]: 4/64 cut-off events. [2020-10-11 18:40:25,857 INFO L130 PetriNetUnfolder]: For 17/24 co-relation queries the response was YES. [2020-10-11 18:40:25,858 INFO L80 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 64 events. 4/64 cut-off events. For 17/24 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 122 event pairs, 0 based on Foata normal form. 2/66 useless extension candidates. Maximal degree in co-relation 109. Up to 7 conditions per place. [2020-10-11 18:40:25,858 INFO L132 encePairwiseOnDemand]: 48/56 looper letters, 6 selfloop transitions, 4 changer transitions 12/55 dead transitions. [2020-10-11 18:40:25,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 55 transitions, 201 flow [2020-10-11 18:40:25,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 18:40:25,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-11 18:40:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 464 transitions. [2020-10-11 18:40:25,861 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8285714285714286 [2020-10-11 18:40:25,862 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 464 transitions. [2020-10-11 18:40:25,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 464 transitions. [2020-10-11 18:40:25,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:40:25,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 464 transitions. [2020-10-11 18:40:25,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-11 18:40:25,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-11 18:40:25,866 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-11 18:40:25,866 INFO L185 Difference]: Start difference. First operand has 64 places, 43 transitions, 110 flow. Second operand 10 states and 464 transitions. [2020-10-11 18:40:25,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 55 transitions, 201 flow [2020-10-11 18:40:25,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 55 transitions, 167 flow, removed 14 selfloop flow, removed 8 redundant places. [2020-10-11 18:40:25,870 INFO L241 Difference]: Finished difference. Result has 66 places, 43 transitions, 124 flow [2020-10-11 18:40:25,871 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=124, PETRI_PLACES=66, PETRI_TRANSITIONS=43} [2020-10-11 18:40:25,871 INFO L341 CegarLoopForPetriNet]: 51 programPoint places, 15 predicate places. [2020-10-11 18:40:25,872 INFO L481 AbstractCegarLoop]: Abstraction has has 66 places, 43 transitions, 124 flow [2020-10-11 18:40:25,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:40:25,872 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:40:25,872 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:40:25,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 18:40:25,872 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:40:25,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:40:25,873 INFO L82 PathProgramCache]: Analyzing trace with hash -580776209, now seen corresponding path program 1 times [2020-10-11 18:40:25,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:40:25,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340417592] [2020-10-11 18:40:25,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:40:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:40:26,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:40:26,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340417592] [2020-10-11 18:40:26,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:40:26,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:40:26,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033248434] [2020-10-11 18:40:26,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:40:26,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:40:26,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:40:26,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:40:26,126 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 56 [2020-10-11 18:40:26,127 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 43 transitions, 124 flow. Second operand 6 states. [2020-10-11 18:40:26,127 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:40:26,127 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 56 [2020-10-11 18:40:26,128 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:40:26,256 INFO L129 PetriNetUnfolder]: 24/122 cut-off events. [2020-10-11 18:40:26,256 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2020-10-11 18:40:26,257 INFO L80 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 122 events. 24/122 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 413 event pairs, 4 based on Foata normal form. 4/123 useless extension candidates. Maximal degree in co-relation 209. Up to 26 conditions per place. [2020-10-11 18:40:26,258 INFO L132 encePairwiseOnDemand]: 48/56 looper letters, 8 selfloop transitions, 5 changer transitions 15/62 dead transitions. [2020-10-11 18:40:26,259 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 62 transitions, 218 flow [2020-10-11 18:40:26,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:40:26,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:40:26,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 426 transitions. [2020-10-11 18:40:26,261 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8452380952380952 [2020-10-11 18:40:26,261 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 426 transitions. [2020-10-11 18:40:26,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 426 transitions. [2020-10-11 18:40:26,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:40:26,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 426 transitions. [2020-10-11 18:40:26,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:40:26,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:40:26,265 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:40:26,265 INFO L185 Difference]: Start difference. First operand has 66 places, 43 transitions, 124 flow. Second operand 9 states and 426 transitions. [2020-10-11 18:40:26,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 62 transitions, 218 flow [2020-10-11 18:40:26,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 62 transitions, 192 flow, removed 8 selfloop flow, removed 10 redundant places. [2020-10-11 18:40:26,269 INFO L241 Difference]: Finished difference. Result has 64 places, 45 transitions, 142 flow [2020-10-11 18:40:26,269 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=142, PETRI_PLACES=64, PETRI_TRANSITIONS=45} [2020-10-11 18:40:26,270 INFO L341 CegarLoopForPetriNet]: 51 programPoint places, 13 predicate places. [2020-10-11 18:40:26,270 INFO L481 AbstractCegarLoop]: Abstraction has has 64 places, 45 transitions, 142 flow [2020-10-11 18:40:26,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:40:26,270 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:40:26,270 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:40:26,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 18:40:26,271 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:40:26,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:40:26,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1887315622, now seen corresponding path program 1 times [2020-10-11 18:40:26,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:40:26,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492964471] [2020-10-11 18:40:26,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:40:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:40:26,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:40:26,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492964471] [2020-10-11 18:40:26,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:40:26,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:40:26,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625442353] [2020-10-11 18:40:26,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:40:26,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:40:26,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:40:26,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:40:26,503 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 56 [2020-10-11 18:40:26,504 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 45 transitions, 142 flow. Second operand 7 states. [2020-10-11 18:40:26,504 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:40:26,504 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 56 [2020-10-11 18:40:26,504 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:40:26,647 INFO L129 PetriNetUnfolder]: 8/72 cut-off events. [2020-10-11 18:40:26,648 INFO L130 PetriNetUnfolder]: For 67/72 co-relation queries the response was YES. [2020-10-11 18:40:26,648 INFO L80 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 72 events. 8/72 cut-off events. For 67/72 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 143 event pairs, 0 based on Foata normal form. 6/77 useless extension candidates. Maximal degree in co-relation 159. Up to 17 conditions per place. [2020-10-11 18:40:26,649 INFO L132 encePairwiseOnDemand]: 48/56 looper letters, 4 selfloop transitions, 7 changer transitions 11/56 dead transitions. [2020-10-11 18:40:26,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 56 transitions, 251 flow [2020-10-11 18:40:26,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 18:40:26,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-11 18:40:26,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 464 transitions. [2020-10-11 18:40:26,652 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8285714285714286 [2020-10-11 18:40:26,652 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 464 transitions. [2020-10-11 18:40:26,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 464 transitions. [2020-10-11 18:40:26,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:40:26,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 464 transitions. [2020-10-11 18:40:26,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-11 18:40:26,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-11 18:40:26,656 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-11 18:40:26,656 INFO L185 Difference]: Start difference. First operand has 64 places, 45 transitions, 142 flow. Second operand 10 states and 464 transitions. [2020-10-11 18:40:26,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 56 transitions, 251 flow [2020-10-11 18:40:26,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 56 transitions, 212 flow, removed 14 selfloop flow, removed 6 redundant places. [2020-10-11 18:40:26,660 INFO L241 Difference]: Finished difference. Result has 69 places, 45 transitions, 154 flow [2020-10-11 18:40:26,660 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=154, PETRI_PLACES=69, PETRI_TRANSITIONS=45} [2020-10-11 18:40:26,660 INFO L341 CegarLoopForPetriNet]: 51 programPoint places, 18 predicate places. [2020-10-11 18:40:26,661 INFO L481 AbstractCegarLoop]: Abstraction has has 69 places, 45 transitions, 154 flow [2020-10-11 18:40:26,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:40:26,661 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:40:26,661 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:40:26,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 18:40:26,661 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:40:26,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:40:26,662 INFO L82 PathProgramCache]: Analyzing trace with hash 651938961, now seen corresponding path program 1 times [2020-10-11 18:40:26,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:40:26,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510882854] [2020-10-11 18:40:26,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:40:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:40:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:40:26,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510882854] [2020-10-11 18:40:26,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:40:26,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:40:26,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461427284] [2020-10-11 18:40:26,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:40:26,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:40:26,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:40:26,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:40:27,019 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 56 [2020-10-11 18:40:27,020 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 45 transitions, 154 flow. Second operand 7 states. [2020-10-11 18:40:27,020 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:40:27,020 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 56 [2020-10-11 18:40:27,020 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:40:27,091 INFO L129 PetriNetUnfolder]: 1/45 cut-off events. [2020-10-11 18:40:27,091 INFO L130 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2020-10-11 18:40:27,092 INFO L80 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 45 events. 1/45 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 1/46 useless extension candidates. Maximal degree in co-relation 76. Up to 6 conditions per place. [2020-10-11 18:40:27,092 INFO L132 encePairwiseOnDemand]: 50/56 looper letters, 0 selfloop transitions, 0 changer transitions 43/43 dead transitions. [2020-10-11 18:40:27,092 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 43 transitions, 168 flow [2020-10-11 18:40:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 18:40:27,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-11 18:40:27,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 318 transitions. [2020-10-11 18:40:27,094 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8112244897959183 [2020-10-11 18:40:27,094 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 318 transitions. [2020-10-11 18:40:27,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 318 transitions. [2020-10-11 18:40:27,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:40:27,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 318 transitions. [2020-10-11 18:40:27,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-11 18:40:27,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-11 18:40:27,097 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-11 18:40:27,097 INFO L185 Difference]: Start difference. First operand has 69 places, 45 transitions, 154 flow. Second operand 7 states and 318 transitions. [2020-10-11 18:40:27,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 43 transitions, 168 flow [2020-10-11 18:40:27,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 43 transitions, 122 flow, removed 13 selfloop flow, removed 13 redundant places. [2020-10-11 18:40:27,100 INFO L241 Difference]: Finished difference. Result has 56 places, 0 transitions, 0 flow [2020-10-11 18:40:27,100 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=56, PETRI_TRANSITIONS=0} [2020-10-11 18:40:27,100 INFO L341 CegarLoopForPetriNet]: 51 programPoint places, 5 predicate places. [2020-10-11 18:40:27,100 INFO L481 AbstractCegarLoop]: Abstraction has has 56 places, 0 transitions, 0 flow [2020-10-11 18:40:27,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:40:27,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 18:40:27,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 06:40:27 BasicIcfg [2020-10-11 18:40:27,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 18:40:27,109 INFO L168 Benchmark]: Toolchain (without parser) took 4040.89 ms. Allocated memory was 252.2 MB in the beginning and 372.2 MB in the end (delta: 120.1 MB). Free memory was 207.5 MB in the beginning and 247.2 MB in the end (delta: -39.7 MB). Peak memory consumption was 80.3 MB. Max. memory is 14.2 GB. [2020-10-11 18:40:27,110 INFO L168 Benchmark]: CDTParser took 1.22 ms. Allocated memory is still 252.2 MB. Free memory was 230.2 MB in the beginning and 229.4 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. [2020-10-11 18:40:27,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.09 ms. Allocated memory was 252.2 MB in the beginning and 316.1 MB in the end (delta: 64.0 MB). Free memory was 207.5 MB in the beginning and 267.9 MB in the end (delta: -60.4 MB). Peak memory consumption was 28.3 MB. Max. memory is 14.2 GB. [2020-10-11 18:40:27,112 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.38 ms. Allocated memory is still 316.1 MB. Free memory was 267.9 MB in the beginning and 266.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-11 18:40:27,113 INFO L168 Benchmark]: Boogie Preprocessor took 25.39 ms. Allocated memory is still 316.1 MB. Free memory was 266.2 MB in the beginning and 264.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-11 18:40:27,114 INFO L168 Benchmark]: RCFGBuilder took 397.90 ms. Allocated memory is still 316.1 MB. Free memory was 264.5 MB in the beginning and 244.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 14.2 GB. [2020-10-11 18:40:27,115 INFO L168 Benchmark]: TraceAbstraction took 2785.37 ms. Allocated memory was 316.1 MB in the beginning and 372.2 MB in the end (delta: 56.1 MB). Free memory was 243.4 MB in the beginning and 247.2 MB in the end (delta: -3.8 MB). Peak memory consumption was 52.3 MB. Max. memory is 14.2 GB. [2020-10-11 18:40:27,120 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22 ms. Allocated memory is still 252.2 MB. Free memory was 230.2 MB in the beginning and 229.4 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 752.09 ms. Allocated memory was 252.2 MB in the beginning and 316.1 MB in the end (delta: 64.0 MB). Free memory was 207.5 MB in the beginning and 267.9 MB in the end (delta: -60.4 MB). Peak memory consumption was 28.3 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 74.38 ms. Allocated memory is still 316.1 MB. Free memory was 267.9 MB in the beginning and 266.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 25.39 ms. Allocated memory is still 316.1 MB. Free memory was 266.2 MB in the beginning and 264.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 397.90 ms. Allocated memory is still 316.1 MB. Free memory was 264.5 MB in the beginning and 244.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 2785.37 ms. Allocated memory was 316.1 MB in the beginning and 372.2 MB in the end (delta: 56.1 MB). Free memory was 243.4 MB in the beginning and 247.2 MB in the end (delta: -3.8 MB). Peak memory consumption was 52.3 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 3 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 120 SDtfs, 113 SDslu, 326 SDs, 0 SdLazy, 305 SolverSat, 49 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 171 ConstructedInterpolants, 0 QuantifiedInterpolants, 17691 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...