/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-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix023_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 00:27:07,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 00:27:07,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 00:27:07,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 00:27:07,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 00:27:07,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 00:27:07,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 00:27:07,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 00:27:07,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 00:27:07,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 00:27:07,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 00:27:07,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 00:27:07,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 00:27:07,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 00:27:07,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 00:27:07,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 00:27:07,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 00:27:07,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 00:27:07,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 00:27:07,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 00:27:07,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 00:27:07,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 00:27:07,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 00:27:07,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 00:27:07,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 00:27:07,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 00:27:07,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 00:27:07,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 00:27:07,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 00:27:07,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 00:27:07,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 00:27:07,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 00:27:07,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 00:27:07,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 00:27:07,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 00:27:07,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 00:27:07,669 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-McrAutomaton-WP.epf [2020-10-06 00:27:07,706 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 00:27:07,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 00:27:07,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 00:27:07,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 00:27:07,708 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 00:27:07,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 00:27:07,709 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 00:27:07,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 00:27:07,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 00:27:07,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 00:27:07,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 00:27:07,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 00:27:07,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 00:27:07,711 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 00:27:07,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 00:27:07,712 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 00:27:07,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 00:27:07,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 00:27:07,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 00:27:07,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 00:27:07,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 00:27:07,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:27:07,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 00:27:07,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 00:27:07,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 00:27:07,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 00:27:07,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 00:27:07,714 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 00:27:07,714 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 00:27:07,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 00:27:07,714 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 00:27:08,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 00:27:08,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 00:27:08,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 00:27:08,040 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 00:27:08,040 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 00:27:08,041 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix023_rmo.opt.i [2020-10-06 00:27:08,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7585843f/2cab6bb1be5f4a45b968add512a91370/FLAG26e5a2cbb [2020-10-06 00:27:08,686 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 00:27:08,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_rmo.opt.i [2020-10-06 00:27:08,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7585843f/2cab6bb1be5f4a45b968add512a91370/FLAG26e5a2cbb [2020-10-06 00:27:08,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7585843f/2cab6bb1be5f4a45b968add512a91370 [2020-10-06 00:27:08,935 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 00:27:08,937 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 00:27:08,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 00:27:08,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 00:27:08,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 00:27:08,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:27:08" (1/1) ... [2020-10-06 00:27:08,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78018f3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:27:08, skipping insertion in model container [2020-10-06 00:27:08,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:27:08" (1/1) ... [2020-10-06 00:27:08,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 00:27:09,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 00:27:09,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:27:09,567 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 00:27:09,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:27:09,701 INFO L208 MainTranslator]: Completed translation [2020-10-06 00:27:09,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:27:09 WrapperNode [2020-10-06 00:27:09,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 00:27:09,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 00:27:09,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 00:27:09,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 00:27:09,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:27:09" (1/1) ... [2020-10-06 00:27:09,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:27:09" (1/1) ... [2020-10-06 00:27:09,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 00:27:09,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 00:27:09,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 00:27:09,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 00:27:09,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:27:09" (1/1) ... [2020-10-06 00:27:09,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:27:09" (1/1) ... [2020-10-06 00:27:09,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:27:09" (1/1) ... [2020-10-06 00:27:09,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:27:09" (1/1) ... [2020-10-06 00:27:09,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:27:09" (1/1) ... [2020-10-06 00:27:09,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:27:09" (1/1) ... [2020-10-06 00:27:09,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:27:09" (1/1) ... [2020-10-06 00:27:09,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 00:27:09,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 00:27:09,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 00:27:09,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 00:27:09,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:27:09" (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 [2020-10-06 00:27:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 00:27:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 00:27:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 00:27:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 00:27:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-06 00:27:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-06 00:27:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-06 00:27:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-06 00:27:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-06 00:27:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-06 00:27:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-06 00:27:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-06 00:27:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 00:27:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 00:27:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 00:27:09,889 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 00:27:11,818 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 00:27:11,818 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-06 00:27:11,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:27:11 BoogieIcfgContainer [2020-10-06 00:27:11,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 00:27:11,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 00:27:11,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 00:27:11,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 00:27:11,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 12:27:08" (1/3) ... [2020-10-06 00:27:11,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b26704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:27:11, skipping insertion in model container [2020-10-06 00:27:11,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:27:09" (2/3) ... [2020-10-06 00:27:11,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b26704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:27:11, skipping insertion in model container [2020-10-06 00:27:11,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:27:11" (3/3) ... [2020-10-06 00:27:11,828 INFO L109 eAbstractionObserver]: Analyzing ICFG mix023_rmo.opt.i [2020-10-06 00:27:11,838 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 00:27:11,839 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 00:27:11,846 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-06 00:27:11,847 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 00:27:11,879 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,880 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,880 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,880 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,881 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,881 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,882 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,882 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,891 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,892 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,892 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,892 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,893 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,895 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,895 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,895 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,895 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,895 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,896 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,901 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,902 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,902 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,902 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,902 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,902 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,903 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,903 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,903 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,903 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,903 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,904 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,909 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,910 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,910 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,910 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,910 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,911 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,911 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,911 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,911 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,911 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,913 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,914 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,916 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,916 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,916 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,916 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,916 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,917 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,920 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:27:11,935 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-06 00:27:11,955 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:27:11,955 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:27:11,956 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:27:11,956 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:27:11,956 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:27:11,956 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:27:11,956 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:27:11,956 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:27:11,972 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 244 flow [2020-10-06 00:27:11,974 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 244 flow [2020-10-06 00:27:12,026 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2020-10-06 00:27:12,026 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:27:12,032 INFO L80 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 90 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2020-10-06 00:27:12,036 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 244 flow [2020-10-06 00:27:12,085 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2020-10-06 00:27:12,086 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:27:12,088 INFO L80 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 90 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2020-10-06 00:27:12,093 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2572 [2020-10-06 00:27:12,094 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:27:12,431 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-06 00:27:13,047 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-06 00:27:13,755 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-06 00:27:13,889 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-06 00:27:14,594 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-06 00:27:14,885 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-10-06 00:27:15,011 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-06 00:27:15,024 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7924 [2020-10-06 00:27:15,024 INFO L214 etLargeBlockEncoding]: Total number of compositions: 86 [2020-10-06 00:27:15,028 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 36 transitions, 92 flow [2020-10-06 00:27:15,371 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 5330 states. [2020-10-06 00:27:15,374 INFO L276 IsEmpty]: Start isEmpty. Operand 5330 states. [2020-10-06 00:27:15,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-06 00:27:15,381 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:27:15,382 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:27:15,383 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:27:15,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:27:15,388 INFO L82 PathProgramCache]: Analyzing trace with hash -80909519, now seen corresponding path program 1 times [2020-10-06 00:27:15,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:27:15,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427732825] [2020-10-06 00:27:15,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:27:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:27:15,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:27:15,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427732825] [2020-10-06 00:27:15,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:27:15,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:27:15,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [146868918] [2020-10-06 00:27:15,721 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:27:15,725 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:27:15,740 INFO L258 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-06 00:27:15,740 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:27:15,745 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:27:15,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:27:15,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:27:15,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:27:15,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:27:15,803 INFO L87 Difference]: Start difference. First operand 5330 states. Second operand 3 states. [2020-10-06 00:27:15,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:27:15,974 INFO L93 Difference]: Finished difference Result 4450 states and 17758 transitions. [2020-10-06 00:27:15,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:27:15,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-06 00:27:15,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:27:16,029 INFO L225 Difference]: With dead ends: 4450 [2020-10-06 00:27:16,029 INFO L226 Difference]: Without dead ends: 3250 [2020-10-06 00:27:16,031 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 [2020-10-06 00:27:16,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2020-10-06 00:27:16,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 3250. [2020-10-06 00:27:16,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3250 states. [2020-10-06 00:27:16,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 12738 transitions. [2020-10-06 00:27:16,294 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 12738 transitions. Word has length 7 [2020-10-06 00:27:16,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:27:16,295 INFO L479 AbstractCegarLoop]: Abstraction has 3250 states and 12738 transitions. [2020-10-06 00:27:16,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:27:16,296 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 12738 transitions. [2020-10-06 00:27:16,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-06 00:27:16,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:27:16,307 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:27:16,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 00:27:16,308 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:27:16,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:27:16,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1776517370, now seen corresponding path program 1 times [2020-10-06 00:27:16,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:27:16,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855084206] [2020-10-06 00:27:16,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:27:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:27:16,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:27:16,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855084206] [2020-10-06 00:27:16,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:27:16,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 00:27:16,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [687394580] [2020-10-06 00:27:16,483 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:27:16,485 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:27:16,490 INFO L258 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-10-06 00:27:16,490 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:27:16,492 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:27:16,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:27:16,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:27:16,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:27:16,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:27:16,498 INFO L87 Difference]: Start difference. First operand 3250 states and 12738 transitions. Second operand 4 states. [2020-10-06 00:27:16,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:27:16,600 INFO L93 Difference]: Finished difference Result 3770 states and 14324 transitions. [2020-10-06 00:27:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:27:16,601 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-06 00:27:16,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:27:16,634 INFO L225 Difference]: With dead ends: 3770 [2020-10-06 00:27:16,634 INFO L226 Difference]: Without dead ends: 3170 [2020-10-06 00:27:16,635 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 [2020-10-06 00:27:16,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2020-10-06 00:27:16,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 3170. [2020-10-06 00:27:16,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3170 states. [2020-10-06 00:27:16,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 12374 transitions. [2020-10-06 00:27:16,799 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 12374 transitions. Word has length 12 [2020-10-06 00:27:16,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:27:16,799 INFO L479 AbstractCegarLoop]: Abstraction has 3170 states and 12374 transitions. [2020-10-06 00:27:16,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:27:16,800 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 12374 transitions. [2020-10-06 00:27:16,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-06 00:27:16,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:27:16,805 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:27:16,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 00:27:16,805 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:27:16,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:27:16,806 INFO L82 PathProgramCache]: Analyzing trace with hash -762524040, now seen corresponding path program 1 times [2020-10-06 00:27:16,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:27:16,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336542309] [2020-10-06 00:27:16,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:27:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:27:16,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:27:16,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336542309] [2020-10-06 00:27:16,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:27:16,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 00:27:16,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1451913690] [2020-10-06 00:27:16,915 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:27:16,917 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:27:16,919 INFO L258 McrAutomatonBuilder]: Finished intersection with 16 states and 17 transitions. [2020-10-06 00:27:16,919 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:27:16,957 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:27:16,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:27:16,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:27:16,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:27:16,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:27:16,959 INFO L87 Difference]: Start difference. First operand 3170 states and 12374 transitions. Second operand 4 states. [2020-10-06 00:27:17,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:27:17,036 INFO L93 Difference]: Finished difference Result 3618 states and 13682 transitions. [2020-10-06 00:27:17,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:27:17,037 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-06 00:27:17,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:27:17,069 INFO L225 Difference]: With dead ends: 3618 [2020-10-06 00:27:17,069 INFO L226 Difference]: Without dead ends: 3058 [2020-10-06 00:27:17,070 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 [2020-10-06 00:27:17,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3058 states. [2020-10-06 00:27:17,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3058 to 3058. [2020-10-06 00:27:17,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3058 states. [2020-10-06 00:27:17,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3058 states to 3058 states and 11858 transitions. [2020-10-06 00:27:17,278 INFO L78 Accepts]: Start accepts. Automaton has 3058 states and 11858 transitions. Word has length 13 [2020-10-06 00:27:17,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:27:17,279 INFO L479 AbstractCegarLoop]: Abstraction has 3058 states and 11858 transitions. [2020-10-06 00:27:17,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:27:17,279 INFO L276 IsEmpty]: Start isEmpty. Operand 3058 states and 11858 transitions. [2020-10-06 00:27:17,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-06 00:27:17,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:27:17,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:27:17,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 00:27:17,283 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:27:17,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:27:17,283 INFO L82 PathProgramCache]: Analyzing trace with hash 2131575679, now seen corresponding path program 1 times [2020-10-06 00:27:17,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:27:17,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772956147] [2020-10-06 00:27:17,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:27:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:27:17,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:27:17,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772956147] [2020-10-06 00:27:17,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:27:17,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 00:27:17,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1088997232] [2020-10-06 00:27:17,338 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:27:17,341 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:27:17,345 INFO L258 McrAutomatonBuilder]: Finished intersection with 26 states and 38 transitions. [2020-10-06 00:27:17,345 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:27:17,430 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:27:17,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:27:17,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:27:17,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:27:17,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:27:17,432 INFO L87 Difference]: Start difference. First operand 3058 states and 11858 transitions. Second operand 4 states. [2020-10-06 00:27:17,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:27:17,484 INFO L93 Difference]: Finished difference Result 3226 states and 12156 transitions. [2020-10-06 00:27:17,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:27:17,485 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-06 00:27:17,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:27:17,509 INFO L225 Difference]: With dead ends: 3226 [2020-10-06 00:27:17,509 INFO L226 Difference]: Without dead ends: 2722 [2020-10-06 00:27:17,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:27:17,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2722 states. [2020-10-06 00:27:17,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2722 to 2722. [2020-10-06 00:27:17,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2722 states. [2020-10-06 00:27:17,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 10422 transitions. [2020-10-06 00:27:17,627 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 10422 transitions. Word has length 14 [2020-10-06 00:27:17,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:27:17,628 INFO L479 AbstractCegarLoop]: Abstraction has 2722 states and 10422 transitions. [2020-10-06 00:27:17,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:27:17,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 10422 transitions. [2020-10-06 00:27:17,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-06 00:27:17,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:27:17,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:27:17,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 00:27:17,634 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:27:17,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:27:17,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1654287443, now seen corresponding path program 1 times [2020-10-06 00:27:17,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:27:17,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116548476] [2020-10-06 00:27:17,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:27:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:27:17,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:27:17,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116548476] [2020-10-06 00:27:17,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:27:17,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 00:27:17,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1620153794] [2020-10-06 00:27:17,692 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:27:17,694 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:27:17,700 INFO L258 McrAutomatonBuilder]: Finished intersection with 36 states and 59 transitions. [2020-10-06 00:27:17,700 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:27:17,792 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:27:17,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:27:17,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:27:17,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:27:17,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:27:17,793 INFO L87 Difference]: Start difference. First operand 2722 states and 10422 transitions. Second operand 4 states. [2020-10-06 00:27:17,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:27:17,854 INFO L93 Difference]: Finished difference Result 2866 states and 10734 transitions. [2020-10-06 00:27:17,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:27:17,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-06 00:27:17,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:27:17,871 INFO L225 Difference]: With dead ends: 2866 [2020-10-06 00:27:17,872 INFO L226 Difference]: Without dead ends: 2530 [2020-10-06 00:27:17,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:27:17,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2530 states. [2020-10-06 00:27:17,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2530 to 2530. [2020-10-06 00:27:17,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2530 states. [2020-10-06 00:27:17,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2530 states and 9622 transitions. [2020-10-06 00:27:17,975 INFO L78 Accepts]: Start accepts. Automaton has 2530 states and 9622 transitions. Word has length 15 [2020-10-06 00:27:17,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:27:17,975 INFO L479 AbstractCegarLoop]: Abstraction has 2530 states and 9622 transitions. [2020-10-06 00:27:17,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:27:17,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 9622 transitions. [2020-10-06 00:27:17,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-06 00:27:17,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:27:17,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:27:17,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 00:27:17,980 INFO L427 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:27:17,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:27:17,981 INFO L82 PathProgramCache]: Analyzing trace with hash -304560540, now seen corresponding path program 1 times [2020-10-06 00:27:17,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:27:17,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101977489] [2020-10-06 00:27:17,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:27:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:27:18,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:27:18,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101977489] [2020-10-06 00:27:18,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:27:18,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:27:18,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1609144387] [2020-10-06 00:27:18,129 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:27:18,132 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:27:18,139 INFO L258 McrAutomatonBuilder]: Finished intersection with 45 states and 80 transitions. [2020-10-06 00:27:18,139 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:27:18,180 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:27:18,207 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:27:18,220 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:27:18,247 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:27:18,266 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:27:18,302 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:27:18,314 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:27:18,337 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:27:18,345 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:27:18,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:27:18,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:27:18,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:27:18,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:27:18,347 INFO L87 Difference]: Start difference. First operand 2530 states and 9622 transitions. Second operand 4 states. [2020-10-06 00:27:18,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:27:18,409 INFO L93 Difference]: Finished difference Result 1450 states and 5208 transitions. [2020-10-06 00:27:18,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:27:18,409 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-06 00:27:18,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:27:18,410 INFO L225 Difference]: With dead ends: 1450 [2020-10-06 00:27:18,410 INFO L226 Difference]: Without dead ends: 0 [2020-10-06 00:27:18,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:27:18,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-06 00:27:18,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-06 00:27:18,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-06 00:27:18,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-06 00:27:18,412 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-10-06 00:27:18,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:27:18,412 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-06 00:27:18,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:27:18,412 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-06 00:27:18,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-06 00:27:18,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-06 00:27:18,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 12:27:18 BasicIcfg [2020-10-06 00:27:18,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 00:27:18,419 INFO L168 Benchmark]: Toolchain (without parser) took 9481.87 ms. Allocated memory was 140.5 MB in the beginning and 389.5 MB in the end (delta: 249.0 MB). Free memory was 101.7 MB in the beginning and 277.3 MB in the end (delta: -175.6 MB). Peak memory consumption was 73.4 MB. Max. memory is 7.1 GB. [2020-10-06 00:27:18,421 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-06 00:27:18,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.38 ms. Allocated memory was 140.5 MB in the beginning and 201.9 MB in the end (delta: 61.3 MB). Free memory was 101.5 MB in the beginning and 152.9 MB in the end (delta: -51.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-10-06 00:27:18,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.18 ms. Allocated memory is still 201.9 MB. Free memory was 152.9 MB in the beginning and 150.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-06 00:27:18,428 INFO L168 Benchmark]: Boogie Preprocessor took 43.91 ms. Allocated memory is still 201.9 MB. Free memory was 150.3 MB in the beginning and 147.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-06 00:27:18,429 INFO L168 Benchmark]: RCFGBuilder took 2012.65 ms. Allocated memory was 201.9 MB in the beginning and 247.5 MB in the end (delta: 45.6 MB). Free memory was 147.6 MB in the beginning and 188.1 MB in the end (delta: -40.5 MB). Peak memory consumption was 101.3 MB. Max. memory is 7.1 GB. [2020-10-06 00:27:18,432 INFO L168 Benchmark]: TraceAbstraction took 6595.00 ms. Allocated memory was 247.5 MB in the beginning and 389.5 MB in the end (delta: 142.1 MB). Free memory was 188.1 MB in the beginning and 277.3 MB in the end (delta: -89.2 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2020-10-06 00:27:18,444 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 764.38 ms. Allocated memory was 140.5 MB in the beginning and 201.9 MB in the end (delta: 61.3 MB). Free memory was 101.5 MB in the beginning and 152.9 MB in the end (delta: -51.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.18 ms. Allocated memory is still 201.9 MB. Free memory was 152.9 MB in the beginning and 150.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.91 ms. Allocated memory is still 201.9 MB. Free memory was 150.3 MB in the beginning and 147.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2012.65 ms. Allocated memory was 201.9 MB in the beginning and 247.5 MB in the end (delta: 45.6 MB). Free memory was 147.6 MB in the beginning and 188.1 MB in the end (delta: -40.5 MB). Peak memory consumption was 101.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6595.00 ms. Allocated memory was 247.5 MB in the beginning and 389.5 MB in the end (delta: 142.1 MB). Free memory was 188.1 MB in the beginning and 277.3 MB in the end (delta: -89.2 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.0s, 123 ProgramPointsBefore, 48 ProgramPointsAfterwards, 112 TransitionsBefore, 36 TransitionsAfterwards, 2572 CoEnabledTransitionPairs, 8 FixpointIterations, 37 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 1316 VarBasedMoverChecksPositive, 37 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 7924 CheckedPairsTotal, 86 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - 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 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 111 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: 228 SDtfs, 196 SDslu, 303 SDs, 0 SdLazy, 63 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5330occurred 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: 0.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 2687 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...