/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/mix018_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:54:50,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:54:50,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:54:50,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:54:50,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:54:50,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:54:50,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:54:50,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:54:50,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:54:50,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:54:50,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:54:50,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:54:50,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:54:50,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:54:50,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:54:50,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:54:50,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:54:50,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:54:50,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:54:50,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:54:50,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:54:50,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:54:50,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:54:50,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:54:50,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:54:50,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:54:50,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:54:50,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:54:50,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:54:50,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:54:50,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:54:50,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:54:50,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:54:50,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:54:50,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:54:50,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:54:50,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:54:50,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:54:50,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:54:50,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:54:50,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:54:50,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-16 12:54:50,589 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:54:50,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:54:50,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:54:50,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:54:50,591 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:54:50,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:54:50,591 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:54:50,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:54:50,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:54:50,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:54:50,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:54:50,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:54:50,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:54:50,593 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:54:50,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:54:50,593 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:54:50,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:54:50,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:54:50,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:54:50,594 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:54:50,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:54:50,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:54:50,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:54:50,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:54:50,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:54:50,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:54:50,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:54:50,596 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 12:54:50,596 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:54:50,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:54:50,596 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 12:54:50,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:54:50,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:54:50,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:54:50,892 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:54:50,892 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:54:50,893 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix018_pso.opt.i [2020-10-16 12:54:50,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dfbf5c484/29cb008578074ed388b3c8a4774dc6bd/FLAGee891e3c5 [2020-10-16 12:54:51,544 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:54:51,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix018_pso.opt.i [2020-10-16 12:54:51,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dfbf5c484/29cb008578074ed388b3c8a4774dc6bd/FLAGee891e3c5 [2020-10-16 12:54:51,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dfbf5c484/29cb008578074ed388b3c8a4774dc6bd [2020-10-16 12:54:51,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:54:51,878 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:54:51,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:54:51,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:54:51,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:54:51,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:54:51" (1/1) ... [2020-10-16 12:54:51,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f82f2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:51, skipping insertion in model container [2020-10-16 12:54:51,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:54:51" (1/1) ... [2020-10-16 12:54:51,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:54:51,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:54:52,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:54:52,475 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:54:52,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:54:52,641 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:54:52,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:52 WrapperNode [2020-10-16 12:54:52,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:54:52,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:54:52,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:54:52,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:54:52,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:52" (1/1) ... [2020-10-16 12:54:52,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:52" (1/1) ... [2020-10-16 12:54:52,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:54:52,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:54:52,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:54:52,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:54:52,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:52" (1/1) ... [2020-10-16 12:54:52,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:52" (1/1) ... [2020-10-16 12:54:52,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:52" (1/1) ... [2020-10-16 12:54:52,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:52" (1/1) ... [2020-10-16 12:54:52,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:52" (1/1) ... [2020-10-16 12:54:52,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:52" (1/1) ... [2020-10-16 12:54:52,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:52" (1/1) ... [2020-10-16 12:54:52,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:54:52,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:54:52,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:54:52,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:54:52,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 12:54:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:54:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:54:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:54:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:54:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:54:52,866 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:54:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:54:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:54:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:54:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:54:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 12:54:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 12:54:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:54:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:54:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:54:52,871 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:54:55,304 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:54:55,304 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:54:55,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:54:55 BoogieIcfgContainer [2020-10-16 12:54:55,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:54:55,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:54:55,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:54:55,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:54:55,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:54:51" (1/3) ... [2020-10-16 12:54:55,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6456d062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:54:55, skipping insertion in model container [2020-10-16 12:54:55,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:54:52" (2/3) ... [2020-10-16 12:54:55,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6456d062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:54:55, skipping insertion in model container [2020-10-16 12:54:55,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:54:55" (3/3) ... [2020-10-16 12:54:55,316 INFO L111 eAbstractionObserver]: Analyzing ICFG mix018_pso.opt.i [2020-10-16 12:54:55,328 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:54:55,328 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:54:55,337 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:54:55,338 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:54:55,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,373 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,373 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,375 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,375 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,376 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,376 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,378 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,380 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,383 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,384 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,387 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,387 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,437 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,437 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,439 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,439 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,440 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,440 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,440 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,440 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,440 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,441 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,441 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,441 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,441 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,441 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,441 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,441 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,441 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,442 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,442 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,442 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,442 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,442 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,442 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,443 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,443 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,443 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,443 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,443 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,443 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,443 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,444 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,444 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,444 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,444 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,444 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,444 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,444 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,445 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,445 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,445 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,445 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,445 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,446 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,446 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,447 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,448 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,448 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,448 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,448 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,448 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,449 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,449 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,449 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,453 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,453 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,453 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,454 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,454 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,454 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,454 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,454 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,455 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,456 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,456 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,456 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,456 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,456 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,458 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,458 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,458 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,460 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,460 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,461 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,461 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,461 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,461 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,462 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,462 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,462 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,462 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,462 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,462 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,463 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,463 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,463 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,463 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,463 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,464 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,464 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,464 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,464 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,464 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,465 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,465 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,465 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,465 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,465 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,465 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,466 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,466 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,466 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,466 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,466 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,467 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,467 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,469 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,469 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,471 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,471 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:54:55,472 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:54:55,487 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 12:54:55,512 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:54:55,512 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:54:55,512 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:54:55,512 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:54:55,512 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:54:55,513 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:54:55,513 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:54:55,513 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:54:55,527 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:54:55,528 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 110 transitions, 240 flow [2020-10-16 12:54:55,531 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 110 transitions, 240 flow [2020-10-16 12:54:55,533 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 121 places, 110 transitions, 240 flow [2020-10-16 12:54:55,585 INFO L129 PetriNetUnfolder]: 2/106 cut-off events. [2020-10-16 12:54:55,585 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:54:55,591 INFO L80 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 106 events. 2/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2020-10-16 12:54:55,595 INFO L117 LiptonReduction]: Number of co-enabled transitions 2340 [2020-10-16 12:54:56,001 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:54:58,211 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-10-16 12:54:58,360 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-16 12:54:58,535 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-16 12:54:58,700 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-16 12:54:58,709 INFO L132 LiptonReduction]: Checked pairs total: 6165 [2020-10-16 12:54:58,710 INFO L134 LiptonReduction]: Total number of compositions: 90 [2020-10-16 12:54:58,716 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 32 transitions, 84 flow [2020-10-16 12:54:58,901 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2410 states. [2020-10-16 12:54:58,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states. [2020-10-16 12:54:58,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 12:54:58,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:54:58,935 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:54:58,936 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:54:58,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:54:58,945 INFO L82 PathProgramCache]: Analyzing trace with hash -417435981, now seen corresponding path program 1 times [2020-10-16 12:54:58,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:54:58,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477071626] [2020-10-16 12:54:58,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:54:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:54:59,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:54:59,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477071626] [2020-10-16 12:54:59,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:54:59,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:54:59,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [904124223] [2020-10-16 12:54:59,298 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:54:59,302 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:54:59,322 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-16 12:54:59,328 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:54:59,333 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:54:59,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:54:59,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:54:59,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:54:59,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:54:59,360 INFO L87 Difference]: Start difference. First operand 2410 states. Second operand 3 states. [2020-10-16 12:54:59,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:54:59,445 INFO L93 Difference]: Finished difference Result 2090 states and 7968 transitions. [2020-10-16 12:54:59,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:54:59,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 12:54:59,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:54:59,492 INFO L225 Difference]: With dead ends: 2090 [2020-10-16 12:54:59,493 INFO L226 Difference]: Without dead ends: 1706 [2020-10-16 12:54:59,494 INFO L677 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 [2020-10-16 12:54:59,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2020-10-16 12:54:59,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1706. [2020-10-16 12:54:59,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1706 states. [2020-10-16 12:54:59,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 6400 transitions. [2020-10-16 12:54:59,649 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 6400 transitions. Word has length 9 [2020-10-16 12:54:59,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:54:59,650 INFO L481 AbstractCegarLoop]: Abstraction has 1706 states and 6400 transitions. [2020-10-16 12:54:59,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:54:59,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 6400 transitions. [2020-10-16 12:54:59,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:54:59,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:54:59,653 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:54:59,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:54:59,654 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:54:59,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:54:59,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1723950238, now seen corresponding path program 1 times [2020-10-16 12:54:59,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:54:59,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471893616] [2020-10-16 12:54:59,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:54:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:54:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:54:59,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471893616] [2020-10-16 12:54:59,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:54:59,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:54:59,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1684091872] [2020-10-16 12:54:59,738 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:54:59,740 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:54:59,741 INFO L258 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-16 12:54:59,742 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:54:59,742 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:54:59,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:54:59,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:54:59,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:54:59,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:54:59,744 INFO L87 Difference]: Start difference. First operand 1706 states and 6400 transitions. Second operand 3 states. [2020-10-16 12:54:59,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:54:59,771 INFO L93 Difference]: Finished difference Result 1578 states and 5856 transitions. [2020-10-16 12:54:59,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:54:59,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-16 12:54:59,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:54:59,784 INFO L225 Difference]: With dead ends: 1578 [2020-10-16 12:54:59,784 INFO L226 Difference]: Without dead ends: 1578 [2020-10-16 12:54:59,785 INFO L677 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 [2020-10-16 12:54:59,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1578 states. [2020-10-16 12:54:59,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1578 to 1578. [2020-10-16 12:54:59,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1578 states. [2020-10-16 12:54:59,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1578 states and 5856 transitions. [2020-10-16 12:54:59,843 INFO L78 Accepts]: Start accepts. Automaton has 1578 states and 5856 transitions. Word has length 11 [2020-10-16 12:54:59,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:54:59,843 INFO L481 AbstractCegarLoop]: Abstraction has 1578 states and 5856 transitions. [2020-10-16 12:54:59,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:54:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 5856 transitions. [2020-10-16 12:54:59,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:54:59,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:54:59,847 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:54:59,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:54:59,847 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:54:59,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:54:59,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1110243511, now seen corresponding path program 1 times [2020-10-16 12:54:59,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:54:59,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563932492] [2020-10-16 12:54:59,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:54:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:54:59,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:54:59,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563932492] [2020-10-16 12:54:59,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:54:59,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:54:59,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1214612127] [2020-10-16 12:54:59,933 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:54:59,936 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:54:59,940 INFO L258 McrAutomatonBuilder]: Finished intersection with 16 states and 17 transitions. [2020-10-16 12:54:59,940 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:54:59,991 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:54:59,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:54:59,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:54:59,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:54:59,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:54:59,992 INFO L87 Difference]: Start difference. First operand 1578 states and 5856 transitions. Second operand 3 states. [2020-10-16 12:55:00,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:55:00,013 INFO L93 Difference]: Finished difference Result 1546 states and 5712 transitions. [2020-10-16 12:55:00,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:55:00,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-16 12:55:00,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:55:00,026 INFO L225 Difference]: With dead ends: 1546 [2020-10-16 12:55:00,026 INFO L226 Difference]: Without dead ends: 1546 [2020-10-16 12:55:00,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:55:00,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2020-10-16 12:55:00,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1546. [2020-10-16 12:55:00,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1546 states. [2020-10-16 12:55:00,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 5712 transitions. [2020-10-16 12:55:00,088 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 5712 transitions. Word has length 13 [2020-10-16 12:55:00,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:55:00,088 INFO L481 AbstractCegarLoop]: Abstraction has 1546 states and 5712 transitions. [2020-10-16 12:55:00,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:55:00,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 5712 transitions. [2020-10-16 12:55:00,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:55:00,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:55:00,091 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:55:00,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:55:00,091 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:55:00,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:55:00,091 INFO L82 PathProgramCache]: Analyzing trace with hash 56773337, now seen corresponding path program 1 times [2020-10-16 12:55:00,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:55:00,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372884206] [2020-10-16 12:55:00,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:55:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:55:00,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:55:00,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372884206] [2020-10-16 12:55:00,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:55:00,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:55:00,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1523729362] [2020-10-16 12:55:00,240 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:55:00,243 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:55:00,305 INFO L258 McrAutomatonBuilder]: Finished intersection with 27 states and 40 transitions. [2020-10-16 12:55:00,306 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:55:00,372 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 12:55:00,411 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 12:55:00,473 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:55:00,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:55:00,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:55:00,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:55:00,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:55:00,474 INFO L87 Difference]: Start difference. First operand 1546 states and 5712 transitions. Second operand 4 states. [2020-10-16 12:55:00,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:55:00,528 INFO L93 Difference]: Finished difference Result 1597 states and 5366 transitions. [2020-10-16 12:55:00,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:55:00,529 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-16 12:55:00,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:55:00,538 INFO L225 Difference]: With dead ends: 1597 [2020-10-16 12:55:00,538 INFO L226 Difference]: Without dead ends: 1213 [2020-10-16 12:55:00,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:55:00,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2020-10-16 12:55:00,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1213. [2020-10-16 12:55:00,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2020-10-16 12:55:00,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 4047 transitions. [2020-10-16 12:55:00,581 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 4047 transitions. Word has length 14 [2020-10-16 12:55:00,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:55:00,581 INFO L481 AbstractCegarLoop]: Abstraction has 1213 states and 4047 transitions. [2020-10-16 12:55:00,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:55:00,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 4047 transitions. [2020-10-16 12:55:00,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:55:00,584 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:55:00,584 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:55:00,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:55:00,584 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:55:00,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:55:00,585 INFO L82 PathProgramCache]: Analyzing trace with hash -2006771181, now seen corresponding path program 1 times [2020-10-16 12:55:00,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:55:00,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542797578] [2020-10-16 12:55:00,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:55:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:55:00,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:55:00,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542797578] [2020-10-16 12:55:00,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:55:00,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:55:00,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1357847637] [2020-10-16 12:55:00,641 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:55:00,644 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:55:00,654 INFO L258 McrAutomatonBuilder]: Finished intersection with 43 states and 68 transitions. [2020-10-16 12:55:00,654 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:55:00,734 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:55:00,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:55:00,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:55:00,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:55:00,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:55:00,735 INFO L87 Difference]: Start difference. First operand 1213 states and 4047 transitions. Second operand 3 states. [2020-10-16 12:55:00,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:55:00,759 INFO L93 Difference]: Finished difference Result 1682 states and 5436 transitions. [2020-10-16 12:55:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:55:00,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-16 12:55:00,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:55:00,769 INFO L225 Difference]: With dead ends: 1682 [2020-10-16 12:55:00,769 INFO L226 Difference]: Without dead ends: 1250 [2020-10-16 12:55:00,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:55:00,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-10-16 12:55:00,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1190. [2020-10-16 12:55:00,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2020-10-16 12:55:00,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 3778 transitions. [2020-10-16 12:55:00,808 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 3778 transitions. Word has length 16 [2020-10-16 12:55:00,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:55:00,808 INFO L481 AbstractCegarLoop]: Abstraction has 1190 states and 3778 transitions. [2020-10-16 12:55:00,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:55:00,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 3778 transitions. [2020-10-16 12:55:00,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:55:00,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:55:00,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:55:00,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:55:00,811 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:55:00,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:55:00,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1365070079, now seen corresponding path program 1 times [2020-10-16 12:55:00,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:55:00,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687111274] [2020-10-16 12:55:00,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:55:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:55:00,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:55:00,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687111274] [2020-10-16 12:55:00,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:55:00,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:55:00,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2135320481] [2020-10-16 12:55:00,935 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:55:00,939 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:55:00,951 INFO L258 McrAutomatonBuilder]: Finished intersection with 37 states and 56 transitions. [2020-10-16 12:55:00,951 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:55:01,004 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 12:55:01,017 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 12:55:01,123 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:55:01,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:55:01,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:55:01,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:55:01,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:55:01,124 INFO L87 Difference]: Start difference. First operand 1190 states and 3778 transitions. Second operand 5 states. [2020-10-16 12:55:01,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:55:01,183 INFO L93 Difference]: Finished difference Result 1034 states and 2984 transitions. [2020-10-16 12:55:01,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:55:01,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-16 12:55:01,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:55:01,189 INFO L225 Difference]: With dead ends: 1034 [2020-10-16 12:55:01,189 INFO L226 Difference]: Without dead ends: 785 [2020-10-16 12:55:01,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 8 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:55:01,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2020-10-16 12:55:01,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 785. [2020-10-16 12:55:01,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2020-10-16 12:55:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 2220 transitions. [2020-10-16 12:55:01,211 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 2220 transitions. Word has length 16 [2020-10-16 12:55:01,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:55:01,211 INFO L481 AbstractCegarLoop]: Abstraction has 785 states and 2220 transitions. [2020-10-16 12:55:01,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:55:01,211 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 2220 transitions. [2020-10-16 12:55:01,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 12:55:01,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:55:01,213 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:55:01,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:55:01,214 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:55:01,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:55:01,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1138147365, now seen corresponding path program 1 times [2020-10-16 12:55:01,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:55:01,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885846126] [2020-10-16 12:55:01,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:55:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:55:01,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:55:01,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885846126] [2020-10-16 12:55:01,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:55:01,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:55:01,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1617427624] [2020-10-16 12:55:01,343 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:55:01,350 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:55:01,430 INFO L258 McrAutomatonBuilder]: Finished intersection with 106 states and 213 transitions. [2020-10-16 12:55:01,430 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:55:01,470 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 12:55:01,564 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 12:55:01,792 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [30538#(<= ~__unbuffered_cnt~0 0)] [2020-10-16 12:55:01,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:55:01,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:55:01,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:55:01,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:55:01,794 INFO L87 Difference]: Start difference. First operand 785 states and 2220 transitions. Second operand 7 states. [2020-10-16 12:55:01,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:55:01,875 INFO L93 Difference]: Finished difference Result 683 states and 1892 transitions. [2020-10-16 12:55:01,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:55:01,876 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-10-16 12:55:01,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:55:01,882 INFO L225 Difference]: With dead ends: 683 [2020-10-16 12:55:01,882 INFO L226 Difference]: Without dead ends: 596 [2020-10-16 12:55:01,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:55:01,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-10-16 12:55:01,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2020-10-16 12:55:01,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-10-16 12:55:01,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 1673 transitions. [2020-10-16 12:55:01,906 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 1673 transitions. Word has length 19 [2020-10-16 12:55:01,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:55:01,906 INFO L481 AbstractCegarLoop]: Abstraction has 596 states and 1673 transitions. [2020-10-16 12:55:01,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:55:01,907 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1673 transitions. [2020-10-16 12:55:01,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:55:01,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:55:01,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:55:01,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:55:01,910 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:55:01,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:55:01,910 INFO L82 PathProgramCache]: Analyzing trace with hash 954151064, now seen corresponding path program 1 times [2020-10-16 12:55:01,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:55:01,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756946012] [2020-10-16 12:55:01,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:55:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:55:01,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:55:01,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756946012] [2020-10-16 12:55:01,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:55:01,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:55:01,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1511444167] [2020-10-16 12:55:01,983 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:55:01,988 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:55:02,066 INFO L258 McrAutomatonBuilder]: Finished intersection with 142 states and 313 transitions. [2020-10-16 12:55:02,067 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:55:02,553 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:55:02,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:55:02,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:55:02,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:55:02,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:55:02,556 INFO L87 Difference]: Start difference. First operand 596 states and 1673 transitions. Second operand 4 states. [2020-10-16 12:55:02,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:55:02,581 INFO L93 Difference]: Finished difference Result 814 states and 2206 transitions. [2020-10-16 12:55:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:55:02,581 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-16 12:55:02,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:55:02,585 INFO L225 Difference]: With dead ends: 814 [2020-10-16 12:55:02,585 INFO L226 Difference]: Without dead ends: 550 [2020-10-16 12:55:02,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:55:02,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2020-10-16 12:55:02,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 548. [2020-10-16 12:55:02,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-10-16 12:55:02,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 1413 transitions. [2020-10-16 12:55:02,599 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 1413 transitions. Word has length 22 [2020-10-16 12:55:02,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:55:02,599 INFO L481 AbstractCegarLoop]: Abstraction has 548 states and 1413 transitions. [2020-10-16 12:55:02,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:55:02,600 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1413 transitions. [2020-10-16 12:55:02,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:55:02,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:55:02,601 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:55:02,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:55:02,602 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:55:02,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:55:02,602 INFO L82 PathProgramCache]: Analyzing trace with hash -514728844, now seen corresponding path program 1 times [2020-10-16 12:55:02,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:55:02,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216075528] [2020-10-16 12:55:02,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:55:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:55:02,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:55:02,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216075528] [2020-10-16 12:55:02,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:55:02,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:55:02,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [424715762] [2020-10-16 12:55:02,654 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:55:02,658 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:55:02,703 INFO L258 McrAutomatonBuilder]: Finished intersection with 119 states and 240 transitions. [2020-10-16 12:55:02,704 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:55:02,959 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:55:02,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:55:02,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:55:02,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:55:02,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:55:02,961 INFO L87 Difference]: Start difference. First operand 548 states and 1413 transitions. Second operand 4 states. [2020-10-16 12:55:02,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:55:02,977 INFO L93 Difference]: Finished difference Result 708 states and 1774 transitions. [2020-10-16 12:55:02,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:55:02,978 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-16 12:55:02,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:55:02,981 INFO L225 Difference]: With dead ends: 708 [2020-10-16 12:55:02,981 INFO L226 Difference]: Without dead ends: 425 [2020-10-16 12:55:02,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:55:02,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2020-10-16 12:55:02,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 422. [2020-10-16 12:55:02,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-10-16 12:55:02,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 982 transitions. [2020-10-16 12:55:02,992 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 982 transitions. Word has length 22 [2020-10-16 12:55:02,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:55:02,992 INFO L481 AbstractCegarLoop]: Abstraction has 422 states and 982 transitions. [2020-10-16 12:55:02,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:55:02,993 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 982 transitions. [2020-10-16 12:55:02,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:55:02,994 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:55:02,994 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:55:02,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:55:02,995 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:55:02,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:55:02,995 INFO L82 PathProgramCache]: Analyzing trace with hash 909192906, now seen corresponding path program 2 times [2020-10-16 12:55:02,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:55:02,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145699794] [2020-10-16 12:55:02,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:55:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:55:03,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:55:03,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145699794] [2020-10-16 12:55:03,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:55:03,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:55:03,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1435552950] [2020-10-16 12:55:03,142 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:55:03,147 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:55:03,206 INFO L258 McrAutomatonBuilder]: Finished intersection with 135 states and 278 transitions. [2020-10-16 12:55:03,207 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:55:03,695 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [35898#(<= ~__unbuffered_cnt~0 0)] [2020-10-16 12:55:03,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:55:03,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:55:03,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:55:03,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:55:03,696 INFO L87 Difference]: Start difference. First operand 422 states and 982 transitions. Second operand 8 states. [2020-10-16 12:55:03,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:55:03,767 INFO L93 Difference]: Finished difference Result 398 states and 935 transitions. [2020-10-16 12:55:03,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:55:03,768 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-10-16 12:55:03,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:55:03,769 INFO L225 Difference]: With dead ends: 398 [2020-10-16 12:55:03,769 INFO L226 Difference]: Without dead ends: 80 [2020-10-16 12:55:03,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:55:03,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-16 12:55:03,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-10-16 12:55:03,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-16 12:55:03,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 166 transitions. [2020-10-16 12:55:03,773 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 166 transitions. Word has length 22 [2020-10-16 12:55:03,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:55:03,773 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 166 transitions. [2020-10-16 12:55:03,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:55:03,774 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 166 transitions. [2020-10-16 12:55:03,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-16 12:55:03,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:55:03,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:55:03,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:55:03,775 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:55:03,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:55:03,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1857061229, now seen corresponding path program 1 times [2020-10-16 12:55:03,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:55:03,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128906166] [2020-10-16 12:55:03,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:55:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:55:04,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:55:04,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128906166] [2020-10-16 12:55:04,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:55:04,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:55:04,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1601291490] [2020-10-16 12:55:04,105 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:55:04,111 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:55:04,157 INFO L258 McrAutomatonBuilder]: Finished intersection with 78 states and 131 transitions. [2020-10-16 12:55:04,157 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:55:04,232 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-16 12:55:04,232 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,233 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,234 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,234 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,235 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,236 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,236 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,237 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,238 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,238 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,239 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,240 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,240 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,242 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,242 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,243 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,243 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,244 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,248 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 12:55:04,254 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:55:04,263 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:55:04,291 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:55:04,308 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:55:04,309 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-16 12:55:04,381 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-16 12:55:04,381 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,382 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,382 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,383 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,383 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,384 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,385 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,386 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,386 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,387 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,387 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,388 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-16 12:55:04,388 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,389 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,389 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,390 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,391 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,392 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,394 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 12:55:04,399 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:55:04,408 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:55:04,436 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:55:04,453 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:55:04,454 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-16 12:55:04,476 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-16 12:55:04,477 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,478 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-16 12:55:04,478 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,479 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-16 12:55:04,480 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,483 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-16 12:55:04,485 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:55:04,486 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:55:04,689 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 38 [2020-10-16 12:55:04,698 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,699 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,703 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-16 12:55:04,704 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,705 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-16 12:55:04,705 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,706 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-16 12:55:04,706 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,845 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:55:04,846 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-16 12:55:04,849 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-16 12:55:04,850 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,851 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,851 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,852 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,853 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,854 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-16 12:55:04,855 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,856 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,856 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,858 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,858 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,860 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,860 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,862 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,862 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,863 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:55:04,863 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,865 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:04,868 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 12:55:04,874 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:55:04,886 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:55:05,056 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:55:05,100 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-16 12:55:05,101 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:55:05,102 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:55:05,106 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-16 12:55:05,106 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:05,107 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-16 12:55:05,107 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:05,108 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-16 12:55:05,108 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:05,138 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-16 12:55:05,139 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:05,139 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-16 12:55:05,140 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:05,140 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-16 12:55:05,140 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:05,142 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-16 12:55:05,143 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:55:05,144 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:55:05,176 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-16 12:55:05,176 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:05,177 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-16 12:55:05,177 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:05,178 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-16 12:55:05,178 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:05,180 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:05,181 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:55:05,200 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [36466#(and (or (= ~__unbuffered_p3_EAX~0 0) (and (or (and (or (= (mod ~z$w_buff1_used~0 256) 0) (= (mod ~z$r_buff1_thd4~0 256) 0)) (or (= ~z~0 ~__unbuffered_p3_EAX~0) (= ~z~0 1))) (and (not (= (mod ~z$w_buff0_used~0 256) 0)) (not (= (mod ~z$r_buff0_thd4~0 256) 0)))) (or (= (mod ~z$w_buff0_used~0 256) 0) (= (mod ~z$r_buff0_thd4~0 256) 0) (= ~z$w_buff0~0 ~__unbuffered_p3_EAX~0) (= ~z$w_buff0~0 1)))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff1_thd3~0 0))] [2020-10-16 12:55:05,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:55:05,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:55:05,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:55:05,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:55:05,202 INFO L87 Difference]: Start difference. First operand 80 states and 166 transitions. Second operand 8 states. [2020-10-16 12:55:05,613 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-10-16 12:55:05,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:55:05,625 INFO L93 Difference]: Finished difference Result 98 states and 200 transitions. [2020-10-16 12:55:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:55:05,625 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-10-16 12:55:05,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:55:05,626 INFO L225 Difference]: With dead ends: 98 [2020-10-16 12:55:05,626 INFO L226 Difference]: Without dead ends: 52 [2020-10-16 12:55:05,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 7 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:55:05,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-16 12:55:05,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-10-16 12:55:05,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-16 12:55:05,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 90 transitions. [2020-10-16 12:55:05,629 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 90 transitions. Word has length 25 [2020-10-16 12:55:05,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:55:05,629 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 90 transitions. [2020-10-16 12:55:05,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:55:05,630 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2020-10-16 12:55:05,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-16 12:55:05,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:55:05,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:55:05,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:55:05,631 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:55:05,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:55:05,631 INFO L82 PathProgramCache]: Analyzing trace with hash -955401275, now seen corresponding path program 2 times [2020-10-16 12:55:05,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:55:05,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104978250] [2020-10-16 12:55:05,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:55:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:55:05,747 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:55:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:55:05,852 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:55:05,910 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:55:05,910 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:55:05,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:55:05,912 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:55:05,934 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1194] [1194] L2-->L871: Formula: (let ((.cse6 (= (mod ~z$r_buff0_thd0~0_In189710731 256) 0)) (.cse7 (= (mod ~z$w_buff0_used~0_In189710731 256) 0)) (.cse9 (= (mod ~z$w_buff1_used~0_In189710731 256) 0)) (.cse8 (= (mod ~z$r_buff1_thd0~0_In189710731 256) 0))) (let ((.cse0 (not .cse8)) (.cse1 (not .cse9)) (.cse2 (or .cse8 .cse9)) (.cse4 (not .cse7)) (.cse5 (not .cse6)) (.cse3 (or .cse6 .cse7))) (and (= ~z$r_buff1_thd0~0_Out189710731 ~z$r_buff1_thd0~0_In189710731) (= |ULTIMATE.start_assume_abort_if_not_#in~cond_In189710731| ULTIMATE.start_assume_abort_if_not_~cond_Out189710731) (or (and (or (and .cse0 .cse1 (= ~z~0_Out189710731 ~z$w_buff1~0_In189710731)) (and .cse2 (= ~z~0_Out189710731 ~z~0_In189710731))) .cse3) (and (= ~z~0_Out189710731 ~z$w_buff0~0_In189710731) .cse4 .cse5)) (= ~z$r_buff0_thd0~0_Out189710731 ~z$r_buff0_thd0~0_In189710731) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out189710731 0)) (or (and .cse0 (= ~z$w_buff1_used~0_Out189710731 0) .cse1) (and .cse2 (= ~z$w_buff1_used~0_Out189710731 ~z$w_buff1_used~0_In189710731))) (or (and (= ~z$w_buff0_used~0_Out189710731 0) .cse4 .cse5) (and (= ~z$w_buff0_used~0_Out189710731 ~z$w_buff0_used~0_In189710731) .cse3))))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In189710731|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In189710731, ~z$w_buff0_used~0=~z$w_buff0_used~0_In189710731, ~z$w_buff0~0=~z$w_buff0~0_In189710731, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In189710731, ~z$w_buff1_used~0=~z$w_buff1_used~0_In189710731, ~z$w_buff1~0=~z$w_buff1~0_In189710731, ~z~0=~z~0_In189710731} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_Out189710731, ~z$w_buff0~0=~z$w_buff0~0_In189710731, ~z$w_buff1_used~0=~z$w_buff1_used~0_Out189710731, ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out189710731|, ~z$w_buff1~0=~z$w_buff1~0_In189710731, ULTIMATE.start_main_#t~ite59=|ULTIMATE.start_main_#t~ite59_Out189710731|, ULTIMATE.start_main_#t~ite62=|ULTIMATE.start_main_#t~ite62_Out189710731|, ULTIMATE.start_main_#t~ite63=|ULTIMATE.start_main_#t~ite63_Out189710731|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In189710731|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_Out189710731, ULTIMATE.start_main_#t~ite60=|ULTIMATE.start_main_#t~ite60_Out189710731|, ULTIMATE.start_main_#t~ite61=|ULTIMATE.start_main_#t~ite61_Out189710731|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out189710731, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_Out189710731, ~z~0=~z~0_Out189710731} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite62, ULTIMATE.start_main_#t~ite63, ~z$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite60, ULTIMATE.start_main_#t~ite61, ULTIMATE.start_assume_abort_if_not_~cond, ~z$w_buff0_used~0, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ULTIMATE.start_main_#t~ite58, ULTIMATE.start_main_#t~ite59, ~z~0] because there is no mapped edge [2020-10-16 12:55:05,948 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,948 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,949 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,949 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,949 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,950 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,950 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,950 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,950 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,950 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,950 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,951 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,951 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,951 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,951 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,952 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,952 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,952 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,952 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,952 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,952 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,953 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,953 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,953 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,953 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,953 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,953 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,954 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,956 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,956 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,961 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,961 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,961 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,961 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,962 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,962 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,962 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,962 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,962 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,962 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,963 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,963 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,963 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,964 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,964 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,964 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,964 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,964 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,964 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,965 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,965 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,965 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,965 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,966 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,966 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,966 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,966 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,966 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,966 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,966 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:05,967 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:55:05,967 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:55:06,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:55:06 BasicIcfg [2020-10-16 12:55:06,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:55:06,076 INFO L168 Benchmark]: Toolchain (without parser) took 14198.42 ms. Allocated memory was 141.0 MB in the beginning and 505.9 MB in the end (delta: 364.9 MB). Free memory was 100.9 MB in the beginning and 243.3 MB in the end (delta: -142.4 MB). Peak memory consumption was 222.5 MB. Max. memory is 7.1 GB. [2020-10-16 12:55:06,077 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:55:06,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.85 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 100.7 MB in the beginning and 156.0 MB in the end (delta: -55.3 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:55:06,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.57 ms. Allocated memory is still 203.9 MB. Free memory was 156.0 MB in the beginning and 152.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2020-10-16 12:55:06,079 INFO L168 Benchmark]: Boogie Preprocessor took 42.26 ms. Allocated memory is still 203.9 MB. Free memory was 152.8 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. [2020-10-16 12:55:06,080 INFO L168 Benchmark]: RCFGBuilder took 2554.56 ms. Allocated memory was 203.9 MB in the beginning and 245.9 MB in the end (delta: 41.9 MB). Free memory was 150.3 MB in the beginning and 105.9 MB in the end (delta: 44.4 MB). Peak memory consumption was 97.5 MB. Max. memory is 7.1 GB. [2020-10-16 12:55:06,080 INFO L168 Benchmark]: TraceAbstraction took 10765.68 ms. Allocated memory was 245.9 MB in the beginning and 505.9 MB in the end (delta: 260.0 MB). Free memory was 104.1 MB in the beginning and 243.3 MB in the end (delta: -139.2 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB. [2020-10-16 12:55:06,084 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.85 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 100.7 MB in the beginning and 156.0 MB in the end (delta: -55.3 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 67.57 ms. Allocated memory is still 203.9 MB. Free memory was 156.0 MB in the beginning and 152.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.26 ms. Allocated memory is still 203.9 MB. Free memory was 152.8 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. * RCFGBuilder took 2554.56 ms. Allocated memory was 203.9 MB in the beginning and 245.9 MB in the end (delta: 41.9 MB). Free memory was 150.3 MB in the beginning and 105.9 MB in the end (delta: 44.4 MB). Peak memory consumption was 97.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10765.68 ms. Allocated memory was 245.9 MB in the beginning and 505.9 MB in the end (delta: 260.0 MB). Free memory was 104.1 MB in the beginning and 243.3 MB in the end (delta: -139.2 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1232 VarBasedMoverChecksPositive, 40 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 124 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.1s, 121 PlacesBefore, 44 PlacesAfterwards, 110 TransitionsBefore, 32 TransitionsAfterwards, 2340 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 90 TotalNumberOfCompositions, 6165 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p1_EAX = 0; [L703] 0 int __unbuffered_p2_EAX = 0; [L705] 0 int __unbuffered_p3_EAX = 0; [L707] 0 int __unbuffered_p3_EBX = 0; [L709] 0 int a = 0; [L710] 0 _Bool main$tmp_guard0; [L711] 0 _Bool main$tmp_guard1; [L713] 0 int x = 0; [L715] 0 int y = 0; [L717] 0 int z = 0; [L718] 0 _Bool z$flush_delayed; [L719] 0 int z$mem_tmp; [L720] 0 _Bool z$r_buff0_thd0; [L721] 0 _Bool z$r_buff0_thd1; [L722] 0 _Bool z$r_buff0_thd2; [L723] 0 _Bool z$r_buff0_thd3; [L724] 0 _Bool z$r_buff0_thd4; [L725] 0 _Bool z$r_buff1_thd0; [L726] 0 _Bool z$r_buff1_thd1; [L727] 0 _Bool z$r_buff1_thd2; [L728] 0 _Bool z$r_buff1_thd3; [L729] 0 _Bool z$r_buff1_thd4; [L730] 0 _Bool z$read_delayed; [L731] 0 int *z$read_delayed_var; [L732] 0 int z$w_buff0; [L733] 0 _Bool z$w_buff0_used; [L734] 0 int z$w_buff1; [L735] 0 _Bool z$w_buff1_used; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L853] 0 pthread_t t477; [L854] FCALL, FORK 0 pthread_create(&t477, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L855] 0 pthread_t t478; [L856] FCALL, FORK 0 pthread_create(&t478, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L857] 0 pthread_t t479; [L858] FCALL, FORK 0 pthread_create(&t479, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L859] 0 pthread_t t480; [L860] FCALL, FORK 0 pthread_create(&t480, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L799] 4 z$w_buff1 = z$w_buff0 [L800] 4 z$w_buff0 = 1 [L801] 4 z$w_buff1_used = z$w_buff0_used [L802] 4 z$w_buff0_used = (_Bool)1 [L7] COND TRUE 4 !expression [L7] 4 __VERIFIER_error() [L804] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L805] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L806] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L807] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L808] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L809] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L812] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L813] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L814] 4 z$flush_delayed = weak$$choice2 [L815] 4 z$mem_tmp = z [L816] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L816] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L817] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L817] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0) [L817] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L817] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L818] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L818] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1) [L818] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L818] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L819] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L819] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L820] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L820] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L821] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L821] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4) [L821] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L821] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L822] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L822] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L822] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0 [L822] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L822] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L822] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L823] 4 __unbuffered_p3_EAX = z [L824] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L824] 4 z = z$flush_delayed ? z$mem_tmp : z [L825] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L828] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L741] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L744] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L749] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L751] 1 return 0; [L756] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L759] 2 __unbuffered_p1_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L764] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 2 return 0; [L771] 3 y = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L775] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L776] 3 z$flush_delayed = weak$$choice2 [L777] 3 z$mem_tmp = z [L778] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L778] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L779] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L779] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L779] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L779] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L780] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L780] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L781] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L781] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L782] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L782] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L782] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L783] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L783] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L784] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L784] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L784] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L784] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L785] 3 __unbuffered_p2_EAX = z [L786] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L786] 3 z = z$flush_delayed ? z$mem_tmp : z [L787] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L792] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L794] 3 return 0; [L831] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L831] EXPR 4 z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z [L831] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L831] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L832] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L832] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L833] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L833] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L834] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L834] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L835] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L835] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L838] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L840] 4 return 0; [L862] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L873] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 109 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.4s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 363 SDtfs, 307 SDslu, 608 SDs, 0 SdLazy, 218 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 401 GetRequests, 342 SyntacticMatches, 19 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2410occurred 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: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 65 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 18358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 incorrect! Received shutdown request...