/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/mix025_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 00:29:41,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 00:29:41,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 00:29:41,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 00:29:41,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 00:29:41,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 00:29:41,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 00:29:41,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 00:29:41,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 00:29:41,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 00:29:41,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 00:29:41,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 00:29:41,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 00:29:41,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 00:29:41,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 00:29:41,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 00:29:41,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 00:29:41,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 00:29:41,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 00:29:41,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 00:29:41,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 00:29:41,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 00:29:41,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 00:29:41,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 00:29:41,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 00:29:41,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 00:29:41,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 00:29:41,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 00:29:41,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 00:29:41,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 00:29:41,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 00:29:41,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 00:29:41,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 00:29:41,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 00:29:41,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 00:29:41,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 00:29:41,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-06 00:29:41,323 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 00:29:41,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 00:29:41,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 00:29:41,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 00:29:41,325 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 00:29:41,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 00:29:41,326 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 00:29:41,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 00:29:41,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 00:29:41,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 00:29:41,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 00:29:41,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 00:29:41,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 00:29:41,327 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 00:29:41,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 00:29:41,327 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 00:29:41,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 00:29:41,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 00:29:41,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 00:29:41,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 00:29:41,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 00:29:41,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:29:41,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 00:29:41,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 00:29:41,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 00:29:41,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 00:29:41,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 00:29:41,329 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 00:29:41,330 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 00:29:41,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 00:29:41,330 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 00:29:41,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 00:29:41,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 00:29:41,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 00:29:41,609 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 00:29:41,610 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 00:29:41,610 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix025_rmo.opt.i [2020-10-06 00:29:41,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/036e78d28/0c9a014d15b24f708d459a3620e238e4/FLAGe89cb6dce [2020-10-06 00:29:42,164 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 00:29:42,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix025_rmo.opt.i [2020-10-06 00:29:42,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/036e78d28/0c9a014d15b24f708d459a3620e238e4/FLAGe89cb6dce [2020-10-06 00:29:42,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/036e78d28/0c9a014d15b24f708d459a3620e238e4 [2020-10-06 00:29:42,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 00:29:42,464 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 00:29:42,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 00:29:42,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 00:29:42,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 00:29:42,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:29:42" (1/1) ... [2020-10-06 00:29:42,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@493af2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:29:42, skipping insertion in model container [2020-10-06 00:29:42,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:29:42" (1/1) ... [2020-10-06 00:29:42,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 00:29:42,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 00:29:43,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:29:43,101 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 00:29:43,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:29:43,285 INFO L208 MainTranslator]: Completed translation [2020-10-06 00:29:43,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:29:43 WrapperNode [2020-10-06 00:29:43,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 00:29:43,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 00:29:43,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 00:29:43,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 00:29:43,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:29:43" (1/1) ... [2020-10-06 00:29:43,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:29:43" (1/1) ... [2020-10-06 00:29:43,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 00:29:43,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 00:29:43,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 00:29:43,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 00:29:43,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:29:43" (1/1) ... [2020-10-06 00:29:43,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:29:43" (1/1) ... [2020-10-06 00:29:43,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:29:43" (1/1) ... [2020-10-06 00:29:43,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:29:43" (1/1) ... [2020-10-06 00:29:43,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:29:43" (1/1) ... [2020-10-06 00:29:43,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:29:43" (1/1) ... [2020-10-06 00:29:43,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:29:43" (1/1) ... [2020-10-06 00:29:43,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 00:29:43,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 00:29:43,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 00:29:43,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 00:29:43,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:29:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:29:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 00:29:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 00:29:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 00:29:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 00:29:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-06 00:29:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-06 00:29:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-06 00:29:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-06 00:29:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-06 00:29:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-06 00:29:43,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 00:29:43,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 00:29:43,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 00:29:43,464 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 00:29:45,307 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 00:29:45,307 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-06 00:29:45,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:29:45 BoogieIcfgContainer [2020-10-06 00:29:45,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 00:29:45,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 00:29:45,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 00:29:45,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 00:29:45,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 12:29:42" (1/3) ... [2020-10-06 00:29:45,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc756a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:29:45, skipping insertion in model container [2020-10-06 00:29:45,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:29:43" (2/3) ... [2020-10-06 00:29:45,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc756a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:29:45, skipping insertion in model container [2020-10-06 00:29:45,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:29:45" (3/3) ... [2020-10-06 00:29:45,318 INFO L109 eAbstractionObserver]: Analyzing ICFG mix025_rmo.opt.i [2020-10-06 00:29:45,332 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 00:29:45,333 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 00:29:45,340 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-06 00:29:45,341 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 00:29:45,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,376 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,376 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,388 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,388 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,389 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,390 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,390 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,390 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,393 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,393 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,399 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,400 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,400 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,408 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,409 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,409 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,409 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,410 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,410 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,410 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,410 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,411 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,411 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,413 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,414 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:29:45,436 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-06 00:29:45,463 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:29:45,463 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:29:45,463 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:29:45,463 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:29:45,464 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:29:45,464 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:29:45,464 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:29:45,464 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:29:45,480 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 94 transitions, 203 flow [2020-10-06 00:29:45,482 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 203 flow [2020-10-06 00:29:45,527 INFO L129 PetriNetUnfolder]: 2/91 cut-off events. [2020-10-06 00:29:45,527 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:29:45,532 INFO L80 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 91 events. 2/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2020-10-06 00:29:45,535 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 203 flow [2020-10-06 00:29:45,568 INFO L129 PetriNetUnfolder]: 2/91 cut-off events. [2020-10-06 00:29:45,568 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:29:45,570 INFO L80 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 91 events. 2/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2020-10-06 00:29:45,572 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1624 [2020-10-06 00:29:45,573 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:29:46,350 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-06 00:29:47,412 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-06 00:29:48,058 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2020-10-06 00:29:48,196 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-06 00:29:48,204 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4480 [2020-10-06 00:29:48,204 INFO L214 etLargeBlockEncoding]: Total number of compositions: 76 [2020-10-06 00:29:48,207 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 26 transitions, 67 flow [2020-10-06 00:29:48,254 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 778 states. [2020-10-06 00:29:48,257 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states. [2020-10-06 00:29:48,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-06 00:29:48,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:29:48,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-06 00:29:48,264 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:29:48,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:29:48,270 INFO L82 PathProgramCache]: Analyzing trace with hash 918549189, now seen corresponding path program 1 times [2020-10-06 00:29:48,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:29:48,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795742067] [2020-10-06 00:29:48,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:29:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:29:48,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:29:48,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795742067] [2020-10-06 00:29:48,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:29:48,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:29:48,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [285411213] [2020-10-06 00:29:48,499 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:29:48,502 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:29:48,514 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-06 00:29:48,515 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:29:48,518 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:29:48,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:29:48,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:29:48,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:29:48,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:29:48,537 INFO L87 Difference]: Start difference. First operand 778 states. Second operand 3 states. [2020-10-06 00:29:48,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:29:48,618 INFO L93 Difference]: Finished difference Result 650 states and 2028 transitions. [2020-10-06 00:29:48,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:29:48,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-06 00:29:48,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:29:48,642 INFO L225 Difference]: With dead ends: 650 [2020-10-06 00:29:48,642 INFO L226 Difference]: Without dead ends: 530 [2020-10-06 00:29:48,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:29:48,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-10-06 00:29:48,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2020-10-06 00:29:48,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2020-10-06 00:29:48,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 1622 transitions. [2020-10-06 00:29:48,750 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 1622 transitions. Word has length 5 [2020-10-06 00:29:48,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:29:48,751 INFO L479 AbstractCegarLoop]: Abstraction has 530 states and 1622 transitions. [2020-10-06 00:29:48,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:29:48,751 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1622 transitions. [2020-10-06 00:29:48,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-06 00:29:48,753 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:29:48,753 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:29:48,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 00:29:48,754 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:29:48,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:29:48,754 INFO L82 PathProgramCache]: Analyzing trace with hash 527131237, now seen corresponding path program 1 times [2020-10-06 00:29:48,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:29:48,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496002085] [2020-10-06 00:29:48,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:29:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:29:48,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:29:48,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496002085] [2020-10-06 00:29:48,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:29:48,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:29:48,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1903234331] [2020-10-06 00:29:48,839 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:29:48,840 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:29:48,841 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-06 00:29:48,841 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:29:48,842 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:29:48,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:29:48,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:29:48,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:29:48,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:29:48,844 INFO L87 Difference]: Start difference. First operand 530 states and 1622 transitions. Second operand 3 states. [2020-10-06 00:29:48,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:29:48,857 INFO L93 Difference]: Finished difference Result 522 states and 1592 transitions. [2020-10-06 00:29:48,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:29:48,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-06 00:29:48,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:29:48,863 INFO L225 Difference]: With dead ends: 522 [2020-10-06 00:29:48,863 INFO L226 Difference]: Without dead ends: 522 [2020-10-06 00:29:48,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:29:48,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2020-10-06 00:29:48,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 522. [2020-10-06 00:29:48,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 522 states. [2020-10-06 00:29:48,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 1592 transitions. [2020-10-06 00:29:48,900 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 1592 transitions. Word has length 9 [2020-10-06 00:29:48,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:29:48,904 INFO L479 AbstractCegarLoop]: Abstraction has 522 states and 1592 transitions. [2020-10-06 00:29:48,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:29:48,904 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1592 transitions. [2020-10-06 00:29:48,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-06 00:29:48,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:29:48,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:29:48,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 00:29:48,907 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:29:48,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:29:48,912 INFO L82 PathProgramCache]: Analyzing trace with hash -838855502, now seen corresponding path program 1 times [2020-10-06 00:29:48,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:29:48,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658487001] [2020-10-06 00:29:48,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:29:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:29:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:29:49,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658487001] [2020-10-06 00:29:49,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:29:49,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:29:49,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1168047855] [2020-10-06 00:29:49,019 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:29:49,020 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:29:49,021 INFO L258 McrAutomatonBuilder]: Finished intersection with 13 states and 14 transitions. [2020-10-06 00:29:49,022 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:29:49,066 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:29:49,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:29:49,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:29:49,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:29:49,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:29:49,067 INFO L87 Difference]: Start difference. First operand 522 states and 1592 transitions. Second operand 3 states. [2020-10-06 00:29:49,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:29:49,084 INFO L93 Difference]: Finished difference Result 490 states and 1480 transitions. [2020-10-06 00:29:49,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:29:49,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-06 00:29:49,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:29:49,089 INFO L225 Difference]: With dead ends: 490 [2020-10-06 00:29:49,090 INFO L226 Difference]: Without dead ends: 490 [2020-10-06 00:29:49,090 INFO L675 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 [2020-10-06 00:29:49,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2020-10-06 00:29:49,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 490. [2020-10-06 00:29:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2020-10-06 00:29:49,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 1480 transitions. [2020-10-06 00:29:49,123 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 1480 transitions. Word has length 10 [2020-10-06 00:29:49,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:29:49,124 INFO L479 AbstractCegarLoop]: Abstraction has 490 states and 1480 transitions. [2020-10-06 00:29:49,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:29:49,124 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 1480 transitions. [2020-10-06 00:29:49,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-06 00:29:49,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:29:49,131 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:29:49,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 00:29:49,131 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:29:49,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:29:49,132 INFO L82 PathProgramCache]: Analyzing trace with hash -234718100, now seen corresponding path program 1 times [2020-10-06 00:29:49,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:29:49,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093204494] [2020-10-06 00:29:49,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:29:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:29:49,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:29:49,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093204494] [2020-10-06 00:29:49,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:29:49,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:29:49,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1306683023] [2020-10-06 00:29:49,214 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:29:49,216 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:29:49,218 INFO L258 McrAutomatonBuilder]: Finished intersection with 16 states and 19 transitions. [2020-10-06 00:29:49,218 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:29:49,274 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:29:49,295 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-10-06 00:29:49,295 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:29:49,305 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [6420#(= (mod ~main$tmp_guard0~0 256) 0), 6421#(not (= 3 ~__unbuffered_cnt~0))] [2020-10-06 00:29:49,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-06 00:29:49,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:29:49,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-06 00:29:49,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:29:49,307 INFO L87 Difference]: Start difference. First operand 490 states and 1480 transitions. Second operand 6 states. [2020-10-06 00:29:49,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:29:49,372 INFO L93 Difference]: Finished difference Result 303 states and 822 transitions. [2020-10-06 00:29:49,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 00:29:49,373 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-10-06 00:29:49,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:29:49,373 INFO L225 Difference]: With dead ends: 303 [2020-10-06 00:29:49,373 INFO L226 Difference]: Without dead ends: 0 [2020-10-06 00:29:49,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-06 00:29:49,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-06 00:29:49,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-06 00:29:49,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-06 00:29:49,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-06 00:29:49,375 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-10-06 00:29:49,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:29:49,375 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-06 00:29:49,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-06 00:29:49,375 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-06 00:29:49,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-06 00:29:49,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 00:29:49,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 12:29:49 BasicIcfg [2020-10-06 00:29:49,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 00:29:49,384 INFO L168 Benchmark]: Toolchain (without parser) took 6919.43 ms. Allocated memory was 144.2 MB in the beginning and 287.8 MB in the end (delta: 143.7 MB). Free memory was 101.8 MB in the beginning and 139.7 MB in the end (delta: -37.9 MB). Peak memory consumption was 105.8 MB. Max. memory is 7.1 GB. [2020-10-06 00:29:49,385 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 144.2 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-06 00:29:49,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 819.48 ms. Allocated memory was 144.2 MB in the beginning and 202.9 MB in the end (delta: 58.7 MB). Free memory was 101.6 MB in the beginning and 157.0 MB in the end (delta: -55.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2020-10-06 00:29:49,390 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.69 ms. Allocated memory is still 202.9 MB. Free memory was 156.4 MB in the beginning and 154.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-06 00:29:49,394 INFO L168 Benchmark]: Boogie Preprocessor took 38.13 ms. Allocated memory is still 202.9 MB. Free memory was 154.3 MB in the beginning and 151.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-06 00:29:49,394 INFO L168 Benchmark]: RCFGBuilder took 1919.70 ms. Allocated memory was 202.9 MB in the beginning and 246.9 MB in the end (delta: 44.0 MB). Free memory was 151.6 MB in the beginning and 193.1 MB in the end (delta: -41.5 MB). Peak memory consumption was 103.9 MB. Max. memory is 7.1 GB. [2020-10-06 00:29:49,395 INFO L168 Benchmark]: TraceAbstraction took 4071.05 ms. Allocated memory was 246.9 MB in the beginning and 287.8 MB in the end (delta: 40.9 MB). Free memory was 191.3 MB in the beginning and 139.7 MB in the end (delta: 51.6 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. [2020-10-06 00:29:49,405 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 144.2 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 819.48 ms. Allocated memory was 144.2 MB in the beginning and 202.9 MB in the end (delta: 58.7 MB). Free memory was 101.6 MB in the beginning and 157.0 MB in the end (delta: -55.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.69 ms. Allocated memory is still 202.9 MB. Free memory was 156.4 MB in the beginning and 154.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.13 ms. Allocated memory is still 202.9 MB. Free memory was 154.3 MB in the beginning and 151.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1919.70 ms. Allocated memory was 202.9 MB in the beginning and 246.9 MB in the end (delta: 44.0 MB). Free memory was 151.6 MB in the beginning and 193.1 MB in the end (delta: -41.5 MB). Peak memory consumption was 103.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4071.05 ms. Allocated memory was 246.9 MB in the beginning and 287.8 MB in the end (delta: 40.9 MB). Free memory was 191.3 MB in the beginning and 139.7 MB in the end (delta: 51.6 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.7s, 102 ProgramPointsBefore, 36 ProgramPointsAfterwards, 94 TransitionsBefore, 26 TransitionsAfterwards, 1624 CoEnabledTransitionPairs, 8 FixpointIterations, 33 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 808 VarBasedMoverChecksPositive, 42 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 4480 CheckedPairsTotal, 76 TotalNumberOfCompositions - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 93 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 75 SDtfs, 102 SDslu, 74 SDs, 0 SdLazy, 28 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=778occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 743 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...