/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread/queue_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 22:34:10,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 22:34:10,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 22:34:10,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 22:34:10,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 22:34:10,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 22:34:10,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 22:34:10,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 22:34:10,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 22:34:10,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 22:34:10,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 22:34:10,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 22:34:10,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 22:34:10,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 22:34:10,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 22:34:10,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 22:34:10,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 22:34:10,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 22:34:10,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 22:34:10,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 22:34:10,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 22:34:10,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 22:34:10,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 22:34:10,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 22:34:10,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-21 22:34:10,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 22:34:10,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 22:34:10,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 22:34:10,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 22:34:10,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 22:34:10,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 22:34:10,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 22:34:10,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 22:34:10,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 22:34:10,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 22:34:10,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 22:34:10,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-21 22:34:10,234 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 22:34:10,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 22:34:10,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 22:34:10,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 22:34:10,237 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 22:34:10,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 22:34:10,238 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 22:34:10,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 22:34:10,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 22:34:10,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 22:34:10,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 22:34:10,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 22:34:10,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 22:34:10,240 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 22:34:10,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 22:34:10,241 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 22:34:10,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 22:34:10,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 22:34:10,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 22:34:10,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 22:34:10,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 22:34:10,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:34:10,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 22:34:10,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 22:34:10,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 22:34:10,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 22:34:10,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 22:34:10,243 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 22:34:10,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 22:34:10,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 22:34:10,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 22:34:10,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 22:34:10,606 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 22:34:10,607 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 22:34:10,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2020-10-21 22:34:10,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bdfc71b4/6d69ff4356c440b6b1b5c1f6a65bf9eb/FLAGa9e3d4de0 [2020-10-21 22:34:11,315 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 22:34:11,316 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2020-10-21 22:34:11,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bdfc71b4/6d69ff4356c440b6b1b5c1f6a65bf9eb/FLAGa9e3d4de0 [2020-10-21 22:34:11,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bdfc71b4/6d69ff4356c440b6b1b5c1f6a65bf9eb [2020-10-21 22:34:11,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 22:34:11,516 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 22:34:11,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 22:34:11,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 22:34:11,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 22:34:11,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:34:11" (1/1) ... [2020-10-21 22:34:11,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e2446a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:34:11, skipping insertion in model container [2020-10-21 22:34:11,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:34:11" (1/1) ... [2020-10-21 22:34:11,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 22:34:11,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 22:34:12,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:34:12,283 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 22:34:12,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:34:12,486 INFO L208 MainTranslator]: Completed translation [2020-10-21 22:34:12,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:34:12 WrapperNode [2020-10-21 22:34:12,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 22:34:12,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 22:34:12,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 22:34:12,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 22:34:12,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:34:12" (1/1) ... [2020-10-21 22:34:12,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:34:12" (1/1) ... [2020-10-21 22:34:12,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 22:34:12,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 22:34:12,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 22:34:12,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 22:34:12,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:34:12" (1/1) ... [2020-10-21 22:34:12,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:34:12" (1/1) ... [2020-10-21 22:34:12,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:34:12" (1/1) ... [2020-10-21 22:34:12,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:34:12" (1/1) ... [2020-10-21 22:34:12,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:34:12" (1/1) ... [2020-10-21 22:34:12,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:34:12" (1/1) ... [2020-10-21 22:34:12,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:34:12" (1/1) ... [2020-10-21 22:34:12,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 22:34:12,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 22:34:12,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 22:34:12,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 22:34:12,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:34:12" (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 [2020-10-21 22:34:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-21 22:34:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-21 22:34:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-21 22:34:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-21 22:34:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 22:34:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 22:34:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-21 22:34:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 22:34:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-21 22:34:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 22:34:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 22:34:12,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 22:34:12,709 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 22:34:13,397 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 22:34:13,397 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-21 22:34:13,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:34:13 BoogieIcfgContainer [2020-10-21 22:34:13,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 22:34:13,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 22:34:13,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 22:34:13,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 22:34:13,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 10:34:11" (1/3) ... [2020-10-21 22:34:13,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b2cf69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:34:13, skipping insertion in model container [2020-10-21 22:34:13,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:34:12" (2/3) ... [2020-10-21 22:34:13,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b2cf69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:34:13, skipping insertion in model container [2020-10-21 22:34:13,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:34:13" (3/3) ... [2020-10-21 22:34:13,409 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longest.i [2020-10-21 22:34:13,422 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 22:34:13,423 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 22:34:13,432 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-21 22:34:13,433 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 22:34:13,508 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,509 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,509 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,509 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,510 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,510 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,510 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,510 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,511 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,511 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,511 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,511 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,511 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,512 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,512 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,512 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,512 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,512 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,513 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,513 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,513 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,513 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,513 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,513 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,514 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,514 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,514 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,514 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,514 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,515 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,515 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,515 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,515 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,515 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,516 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,516 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,516 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,516 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,516 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,517 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,517 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,517 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,517 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,517 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,518 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,518 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,518 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,518 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,519 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,519 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,519 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,519 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,519 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,520 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,521 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,521 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,521 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,521 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,521 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,522 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,523 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,523 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,523 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,526 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,526 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,527 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,527 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,527 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,527 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,527 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,528 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,528 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,528 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,528 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,529 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,529 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,529 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,529 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,529 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,530 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,530 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,530 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,530 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,530 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,530 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,531 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,531 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,531 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,531 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,531 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,532 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,533 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,533 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,533 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,533 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,536 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,536 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,537 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,538 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,538 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,538 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,538 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,538 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,539 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,539 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,539 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,539 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,539 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,539 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,540 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,540 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,540 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,540 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,540 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,541 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,541 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,541 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,541 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,541 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,541 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,542 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,542 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,542 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,542 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,542 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,542 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,543 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,543 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,543 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,543 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,543 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,543 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,544 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,544 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,544 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,544 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,544 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,545 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,545 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,546 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,546 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,546 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,546 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,547 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,547 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,547 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,547 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,547 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,548 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,548 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,548 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,548 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,548 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,548 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,550 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,550 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,550 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,550 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,550 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,551 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,551 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,551 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,552 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,552 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,552 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,553 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,553 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,553 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,554 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,554 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,554 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,555 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,555 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,555 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,555 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,555 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,556 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,556 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,556 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,556 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,557 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,557 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,557 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,557 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,557 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,557 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,558 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,558 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,558 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,558 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,558 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,558 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,559 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,559 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,559 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,559 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,559 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,560 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,560 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,560 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,560 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,561 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,561 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,561 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,561 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,561 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,562 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,562 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,562 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,562 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,562 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,563 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,563 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,564 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,564 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,565 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,565 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,566 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,566 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,566 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,567 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,568 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,568 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,569 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,569 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,569 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,569 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,569 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,569 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,570 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,570 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,570 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,570 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,570 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,571 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,571 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,575 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,575 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,576 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,576 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,576 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,576 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,576 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,577 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,577 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,577 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,577 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,577 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,578 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,578 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,578 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,578 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,578 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,578 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,579 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,579 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,579 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,579 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,579 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,580 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,585 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,585 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,585 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,586 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,587 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,587 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,587 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,588 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,590 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,591 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,592 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,592 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:34:13,602 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-21 22:34:13,617 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-21 22:34:13,641 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:34:13,641 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:34:13,641 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 22:34:13,641 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:34:13,641 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:34:13,642 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:34:13,642 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:34:13,642 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:34:13,661 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 22:34:13,663 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 250 places, 263 transitions, 548 flow [2020-10-21 22:34:13,666 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 250 places, 263 transitions, 548 flow [2020-10-21 22:34:13,668 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 250 places, 263 transitions, 548 flow [2020-10-21 22:34:13,810 INFO L129 PetriNetUnfolder]: 19/263 cut-off events. [2020-10-21 22:34:13,810 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-21 22:34:13,822 INFO L80 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 263 events. 19/263 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 434 event pairs, 0 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 189. Up to 3 conditions per place. [2020-10-21 22:34:13,838 INFO L116 LiptonReduction]: Number of co-enabled transitions 16756 [2020-10-21 22:34:17,397 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2020-10-21 22:34:17,528 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-21 22:34:18,087 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-10-21 22:34:18,275 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-21 22:34:19,953 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 158 DAG size of output: 152 [2020-10-21 22:34:20,450 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-21 22:34:20,534 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 22:34:23,962 WARN L193 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 188 DAG size of output: 178 [2020-10-21 22:34:25,530 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 173 [2020-10-21 22:34:25,547 INFO L131 LiptonReduction]: Checked pairs total: 41140 [2020-10-21 22:34:25,547 INFO L133 LiptonReduction]: Total number of compositions: 231 [2020-10-21 22:34:25,554 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 70 places, 76 transitions, 174 flow [2020-10-21 22:34:25,619 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1461 states. [2020-10-21 22:34:25,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states. [2020-10-21 22:34:25,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-21 22:34:25,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:25,629 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-10-21 22:34:25,629 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:25,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:25,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1044, now seen corresponding path program 1 times [2020-10-21 22:34:25,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:25,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482096574] [2020-10-21 22:34:25,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:25,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:34:25,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482096574] [2020-10-21 22:34:25,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:34:25,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-21 22:34:25,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894807859] [2020-10-21 22:34:25,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-21 22:34:25,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:34:25,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-21 22:34:25,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-21 22:34:25,821 INFO L87 Difference]: Start difference. First operand 1461 states. Second operand 2 states. [2020-10-21 22:34:25,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:34:25,902 INFO L93 Difference]: Finished difference Result 1460 states and 3846 transitions. [2020-10-21 22:34:25,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-21 22:34:25,904 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-21 22:34:25,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:34:25,948 INFO L225 Difference]: With dead ends: 1460 [2020-10-21 22:34:25,949 INFO L226 Difference]: Without dead ends: 1295 [2020-10-21 22:34:25,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-21 22:34:25,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2020-10-21 22:34:26,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1295. [2020-10-21 22:34:26,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1295 states. [2020-10-21 22:34:26,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 3440 transitions. [2020-10-21 22:34:26,132 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 3440 transitions. Word has length 1 [2020-10-21 22:34:26,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:34:26,132 INFO L481 AbstractCegarLoop]: Abstraction has 1295 states and 3440 transitions. [2020-10-21 22:34:26,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-21 22:34:26,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 3440 transitions. [2020-10-21 22:34:26,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 22:34:26,135 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:26,135 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:34:26,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 22:34:26,136 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:26,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:26,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1681910440, now seen corresponding path program 1 times [2020-10-21 22:34:26,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:26,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277058016] [2020-10-21 22:34:26,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:26,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:34:26,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277058016] [2020-10-21 22:34:26,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:34:26,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:34:26,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137454610] [2020-10-21 22:34:26,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:34:26,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:34:26,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:34:26,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:34:26,304 INFO L87 Difference]: Start difference. First operand 1295 states and 3440 transitions. Second operand 3 states. [2020-10-21 22:34:26,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:34:26,328 INFO L93 Difference]: Finished difference Result 1295 states and 3395 transitions. [2020-10-21 22:34:26,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:34:26,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-21 22:34:26,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:34:26,337 INFO L225 Difference]: With dead ends: 1295 [2020-10-21 22:34:26,337 INFO L226 Difference]: Without dead ends: 1295 [2020-10-21 22:34:26,338 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 [2020-10-21 22:34:26,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2020-10-21 22:34:26,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1295. [2020-10-21 22:34:26,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1295 states. [2020-10-21 22:34:26,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 3395 transitions. [2020-10-21 22:34:26,377 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 3395 transitions. Word has length 11 [2020-10-21 22:34:26,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:34:26,377 INFO L481 AbstractCegarLoop]: Abstraction has 1295 states and 3395 transitions. [2020-10-21 22:34:26,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:34:26,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 3395 transitions. [2020-10-21 22:34:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 22:34:26,380 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:26,380 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:34:26,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 22:34:26,380 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:26,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:26,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1407246274, now seen corresponding path program 1 times [2020-10-21 22:34:26,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:26,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272021804] [2020-10-21 22:34:26,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:26,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:34:26,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272021804] [2020-10-21 22:34:26,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:34:26,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:34:26,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095025888] [2020-10-21 22:34:26,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:34:26,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:34:26,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:34:26,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:34:26,581 INFO L87 Difference]: Start difference. First operand 1295 states and 3395 transitions. Second operand 5 states. [2020-10-21 22:34:26,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:34:26,797 INFO L93 Difference]: Finished difference Result 1294 states and 3392 transitions. [2020-10-21 22:34:26,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:34:26,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-21 22:34:26,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:34:26,806 INFO L225 Difference]: With dead ends: 1294 [2020-10-21 22:34:26,807 INFO L226 Difference]: Without dead ends: 1294 [2020-10-21 22:34:26,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:34:26,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2020-10-21 22:34:26,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1294. [2020-10-21 22:34:26,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1294 states. [2020-10-21 22:34:26,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 3392 transitions. [2020-10-21 22:34:26,846 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 3392 transitions. Word has length 13 [2020-10-21 22:34:26,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:34:26,846 INFO L481 AbstractCegarLoop]: Abstraction has 1294 states and 3392 transitions. [2020-10-21 22:34:26,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:34:26,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 3392 transitions. [2020-10-21 22:34:26,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 22:34:26,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:26,849 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:34:26,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 22:34:26,849 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:26,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:26,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1823525994, now seen corresponding path program 1 times [2020-10-21 22:34:26,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:26,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172067291] [2020-10-21 22:34:26,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:34:27,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172067291] [2020-10-21 22:34:27,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:34:27,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-21 22:34:27,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761780856] [2020-10-21 22:34:27,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-21 22:34:27,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:34:27,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-21 22:34:27,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-21 22:34:27,240 INFO L87 Difference]: Start difference. First operand 1294 states and 3392 transitions. Second operand 9 states. [2020-10-21 22:34:27,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:34:27,796 INFO L93 Difference]: Finished difference Result 1765 states and 4584 transitions. [2020-10-21 22:34:27,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:34:27,796 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-10-21 22:34:27,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:34:27,808 INFO L225 Difference]: With dead ends: 1765 [2020-10-21 22:34:27,808 INFO L226 Difference]: Without dead ends: 1765 [2020-10-21 22:34:27,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-21 22:34:27,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2020-10-21 22:34:27,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1417. [2020-10-21 22:34:27,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1417 states. [2020-10-21 22:34:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 3700 transitions. [2020-10-21 22:34:27,855 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 3700 transitions. Word has length 14 [2020-10-21 22:34:27,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:34:27,855 INFO L481 AbstractCegarLoop]: Abstraction has 1417 states and 3700 transitions. [2020-10-21 22:34:27,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-21 22:34:27,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 3700 transitions. [2020-10-21 22:34:27,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 22:34:27,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:27,857 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:34:27,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 22:34:27,857 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:27,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:27,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1202353470, now seen corresponding path program 1 times [2020-10-21 22:34:27,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:27,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072468130] [2020-10-21 22:34:27,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:28,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:34:28,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072468130] [2020-10-21 22:34:28,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:34:28,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-21 22:34:28,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221326302] [2020-10-21 22:34:28,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-21 22:34:28,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:34:28,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-21 22:34:28,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-21 22:34:28,200 INFO L87 Difference]: Start difference. First operand 1417 states and 3700 transitions. Second operand 10 states. [2020-10-21 22:34:28,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:34:28,675 INFO L93 Difference]: Finished difference Result 1422 states and 3711 transitions. [2020-10-21 22:34:28,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-21 22:34:28,676 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-10-21 22:34:28,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:34:28,685 INFO L225 Difference]: With dead ends: 1422 [2020-10-21 22:34:28,685 INFO L226 Difference]: Without dead ends: 1422 [2020-10-21 22:34:28,686 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-21 22:34:28,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2020-10-21 22:34:28,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1415. [2020-10-21 22:34:28,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1415 states. [2020-10-21 22:34:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 3696 transitions. [2020-10-21 22:34:28,729 INFO L78 Accepts]: Start accepts. Automaton has 1415 states and 3696 transitions. Word has length 14 [2020-10-21 22:34:28,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:34:28,730 INFO L481 AbstractCegarLoop]: Abstraction has 1415 states and 3696 transitions. [2020-10-21 22:34:28,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-21 22:34:28,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 3696 transitions. [2020-10-21 22:34:28,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 22:34:28,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:28,731 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:34:28,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 22:34:28,732 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:28,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:28,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1065040354, now seen corresponding path program 1 times [2020-10-21 22:34:28,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:28,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255657671] [2020-10-21 22:34:28,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:28,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:34:28,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255657671] [2020-10-21 22:34:28,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:34:28,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:34:28,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144367566] [2020-10-21 22:34:28,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:34:28,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:34:28,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:34:28,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:34:28,808 INFO L87 Difference]: Start difference. First operand 1415 states and 3696 transitions. Second operand 3 states. [2020-10-21 22:34:28,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:34:28,825 INFO L93 Difference]: Finished difference Result 1102 states and 2818 transitions. [2020-10-21 22:34:28,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:34:28,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-10-21 22:34:28,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:34:28,834 INFO L225 Difference]: With dead ends: 1102 [2020-10-21 22:34:28,834 INFO L226 Difference]: Without dead ends: 1065 [2020-10-21 22:34:28,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:34:28,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2020-10-21 22:34:28,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2020-10-21 22:34:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1065 states. [2020-10-21 22:34:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 2732 transitions. [2020-10-21 22:34:28,872 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 2732 transitions. Word has length 14 [2020-10-21 22:34:28,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:34:28,873 INFO L481 AbstractCegarLoop]: Abstraction has 1065 states and 2732 transitions. [2020-10-21 22:34:28,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:34:28,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 2732 transitions. [2020-10-21 22:34:28,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 22:34:28,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:28,875 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:34:28,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 22:34:28,875 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:28,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:28,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1722921326, now seen corresponding path program 1 times [2020-10-21 22:34:28,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:28,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180761001] [2020-10-21 22:34:28,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:29,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:34:29,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180761001] [2020-10-21 22:34:29,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:34:29,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-21 22:34:29,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559300207] [2020-10-21 22:34:29,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-21 22:34:29,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:34:29,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-21 22:34:29,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-21 22:34:29,351 INFO L87 Difference]: Start difference. First operand 1065 states and 2732 transitions. Second operand 11 states. [2020-10-21 22:34:30,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:34:30,046 INFO L93 Difference]: Finished difference Result 1190 states and 3041 transitions. [2020-10-21 22:34:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-21 22:34:30,051 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-21 22:34:30,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:34:30,058 INFO L225 Difference]: With dead ends: 1190 [2020-10-21 22:34:30,058 INFO L226 Difference]: Without dead ends: 1135 [2020-10-21 22:34:30,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2020-10-21 22:34:30,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2020-10-21 22:34:30,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1058. [2020-10-21 22:34:30,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-10-21 22:34:30,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 2725 transitions. [2020-10-21 22:34:30,098 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 2725 transitions. Word has length 15 [2020-10-21 22:34:30,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:34:30,099 INFO L481 AbstractCegarLoop]: Abstraction has 1058 states and 2725 transitions. [2020-10-21 22:34:30,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-21 22:34:30,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 2725 transitions. [2020-10-21 22:34:30,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 22:34:30,100 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:30,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:34:30,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 22:34:30,101 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:30,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:30,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1381979900, now seen corresponding path program 2 times [2020-10-21 22:34:30,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:30,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166447102] [2020-10-21 22:34:30,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:34:30,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166447102] [2020-10-21 22:34:30,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:34:30,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-21 22:34:30,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297362839] [2020-10-21 22:34:30,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-21 22:34:30,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:34:30,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-21 22:34:30,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-21 22:34:30,510 INFO L87 Difference]: Start difference. First operand 1058 states and 2725 transitions. Second operand 11 states. [2020-10-21 22:34:31,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:34:31,127 INFO L93 Difference]: Finished difference Result 1122 states and 2886 transitions. [2020-10-21 22:34:31,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-21 22:34:31,128 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-21 22:34:31,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:34:31,135 INFO L225 Difference]: With dead ends: 1122 [2020-10-21 22:34:31,135 INFO L226 Difference]: Without dead ends: 1107 [2020-10-21 22:34:31,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2020-10-21 22:34:31,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2020-10-21 22:34:31,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 1026. [2020-10-21 22:34:31,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2020-10-21 22:34:31,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 2649 transitions. [2020-10-21 22:34:31,163 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 2649 transitions. Word has length 15 [2020-10-21 22:34:31,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:34:31,164 INFO L481 AbstractCegarLoop]: Abstraction has 1026 states and 2649 transitions. [2020-10-21 22:34:31,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-21 22:34:31,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 2649 transitions. [2020-10-21 22:34:31,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 22:34:31,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:31,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:34:31,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 22:34:31,165 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:31,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:31,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1381864580, now seen corresponding path program 3 times [2020-10-21 22:34:31,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:31,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142022047] [2020-10-21 22:34:31,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:31,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:34:31,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142022047] [2020-10-21 22:34:31,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:34:31,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-21 22:34:31,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569442883] [2020-10-21 22:34:31,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-21 22:34:31,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:34:31,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-21 22:34:31,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-21 22:34:31,509 INFO L87 Difference]: Start difference. First operand 1026 states and 2649 transitions. Second operand 11 states. [2020-10-21 22:34:32,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:34:32,056 INFO L93 Difference]: Finished difference Result 1042 states and 2701 transitions. [2020-10-21 22:34:32,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-21 22:34:32,057 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-21 22:34:32,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:34:32,063 INFO L225 Difference]: With dead ends: 1042 [2020-10-21 22:34:32,063 INFO L226 Difference]: Without dead ends: 1037 [2020-10-21 22:34:32,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-21 22:34:32,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2020-10-21 22:34:32,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 978. [2020-10-21 22:34:32,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2020-10-21 22:34:32,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 2540 transitions. [2020-10-21 22:34:32,090 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 2540 transitions. Word has length 15 [2020-10-21 22:34:32,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:34:32,090 INFO L481 AbstractCegarLoop]: Abstraction has 978 states and 2540 transitions. [2020-10-21 22:34:32,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-21 22:34:32,091 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 2540 transitions. [2020-10-21 22:34:32,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-21 22:34:32,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:32,093 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:34:32,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 22:34:32,093 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:32,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:32,094 INFO L82 PathProgramCache]: Analyzing trace with hash 297856594, now seen corresponding path program 1 times [2020-10-21 22:34:32,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:32,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751547941] [2020-10-21 22:34:32,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:34:32,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751547941] [2020-10-21 22:34:32,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:34:32,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:34:32,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019010700] [2020-10-21 22:34:32,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:34:32,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:34:32,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:34:32,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:34:32,138 INFO L87 Difference]: Start difference. First operand 978 states and 2540 transitions. Second operand 3 states. [2020-10-21 22:34:32,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:34:32,163 INFO L93 Difference]: Finished difference Result 483 states and 1074 transitions. [2020-10-21 22:34:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:34:32,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-10-21 22:34:32,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:34:32,167 INFO L225 Difference]: With dead ends: 483 [2020-10-21 22:34:32,167 INFO L226 Difference]: Without dead ends: 483 [2020-10-21 22:34:32,167 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 [2020-10-21 22:34:32,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-10-21 22:34:32,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 395. [2020-10-21 22:34:32,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-10-21 22:34:32,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 879 transitions. [2020-10-21 22:34:32,178 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 879 transitions. Word has length 37 [2020-10-21 22:34:32,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:34:32,179 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 879 transitions. [2020-10-21 22:34:32,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:34:32,179 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 879 transitions. [2020-10-21 22:34:32,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-21 22:34:32,183 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:32,183 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:34:32,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 22:34:32,183 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:32,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:32,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1991724182, now seen corresponding path program 1 times [2020-10-21 22:34:32,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:32,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104619096] [2020-10-21 22:34:32,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:32,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:34:32,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104619096] [2020-10-21 22:34:32,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:34:32,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-21 22:34:32,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868475912] [2020-10-21 22:34:32,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-21 22:34:32,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:34:32,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-21 22:34:32,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-10-21 22:34:32,785 INFO L87 Difference]: Start difference. First operand 395 states and 879 transitions. Second operand 14 states. [2020-10-21 22:34:33,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:34:33,402 INFO L93 Difference]: Finished difference Result 475 states and 1054 transitions. [2020-10-21 22:34:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-21 22:34:33,403 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2020-10-21 22:34:33,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:34:33,408 INFO L225 Difference]: With dead ends: 475 [2020-10-21 22:34:33,409 INFO L226 Difference]: Without dead ends: 475 [2020-10-21 22:34:33,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2020-10-21 22:34:33,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2020-10-21 22:34:33,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 459. [2020-10-21 22:34:33,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-10-21 22:34:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 1020 transitions. [2020-10-21 22:34:33,421 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 1020 transitions. Word has length 38 [2020-10-21 22:34:33,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:34:33,421 INFO L481 AbstractCegarLoop]: Abstraction has 459 states and 1020 transitions. [2020-10-21 22:34:33,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-21 22:34:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1020 transitions. [2020-10-21 22:34:33,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-21 22:34:33,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:33,423 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:34:33,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-21 22:34:33,423 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:33,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:33,424 INFO L82 PathProgramCache]: Analyzing trace with hash 678803629, now seen corresponding path program 1 times [2020-10-21 22:34:33,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:33,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219007781] [2020-10-21 22:34:33,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:34,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:34:34,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219007781] [2020-10-21 22:34:34,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:34:34,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-21 22:34:34,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674861164] [2020-10-21 22:34:34,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-21 22:34:34,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:34:34,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-21 22:34:34,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-10-21 22:34:34,397 INFO L87 Difference]: Start difference. First operand 459 states and 1020 transitions. Second operand 17 states. [2020-10-21 22:34:35,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:34:35,478 INFO L93 Difference]: Finished difference Result 776 states and 1721 transitions. [2020-10-21 22:34:35,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-21 22:34:35,479 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 39 [2020-10-21 22:34:35,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:34:35,482 INFO L225 Difference]: With dead ends: 776 [2020-10-21 22:34:35,483 INFO L226 Difference]: Without dead ends: 776 [2020-10-21 22:34:35,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2020-10-21 22:34:35,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2020-10-21 22:34:35,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 692. [2020-10-21 22:34:35,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2020-10-21 22:34:35,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1545 transitions. [2020-10-21 22:34:35,500 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1545 transitions. Word has length 39 [2020-10-21 22:34:35,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:34:35,500 INFO L481 AbstractCegarLoop]: Abstraction has 692 states and 1545 transitions. [2020-10-21 22:34:35,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-21 22:34:35,501 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1545 transitions. [2020-10-21 22:34:35,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-21 22:34:35,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:35,503 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:34:35,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-21 22:34:35,503 INFO L429 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:35,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:35,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1645076593, now seen corresponding path program 2 times [2020-10-21 22:34:35,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:35,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50766260] [2020-10-21 22:34:35,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:34:36,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50766260] [2020-10-21 22:34:36,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:34:36,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-21 22:34:36,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943372488] [2020-10-21 22:34:36,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-21 22:34:36,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:34:36,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-21 22:34:36,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2020-10-21 22:34:36,233 INFO L87 Difference]: Start difference. First operand 692 states and 1545 transitions. Second operand 18 states. [2020-10-21 22:34:37,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:34:37,323 INFO L93 Difference]: Finished difference Result 933 states and 2074 transitions. [2020-10-21 22:34:37,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-21 22:34:37,324 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 39 [2020-10-21 22:34:37,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:34:37,331 INFO L225 Difference]: With dead ends: 933 [2020-10-21 22:34:37,331 INFO L226 Difference]: Without dead ends: 933 [2020-10-21 22:34:37,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2020-10-21 22:34:37,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2020-10-21 22:34:37,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 616. [2020-10-21 22:34:37,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2020-10-21 22:34:37,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 1373 transitions. [2020-10-21 22:34:37,349 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 1373 transitions. Word has length 39 [2020-10-21 22:34:37,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:34:37,349 INFO L481 AbstractCegarLoop]: Abstraction has 616 states and 1373 transitions. [2020-10-21 22:34:37,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-21 22:34:37,350 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1373 transitions. [2020-10-21 22:34:37,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-21 22:34:37,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:37,352 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:34:37,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-21 22:34:37,352 INFO L429 AbstractCegarLoop]: === Iteration 14 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:37,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:37,353 INFO L82 PathProgramCache]: Analyzing trace with hash -824715029, now seen corresponding path program 3 times [2020-10-21 22:34:37,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:37,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576728956] [2020-10-21 22:34:37,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:38,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:34:38,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576728956] [2020-10-21 22:34:38,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:34:38,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-21 22:34:38,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792018845] [2020-10-21 22:34:38,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-21 22:34:38,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:34:38,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-21 22:34:38,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-10-21 22:34:38,357 INFO L87 Difference]: Start difference. First operand 616 states and 1373 transitions. Second operand 17 states. [2020-10-21 22:34:39,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:34:39,161 INFO L93 Difference]: Finished difference Result 792 states and 1764 transitions. [2020-10-21 22:34:39,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-21 22:34:39,161 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 39 [2020-10-21 22:34:39,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:34:39,167 INFO L225 Difference]: With dead ends: 792 [2020-10-21 22:34:39,167 INFO L226 Difference]: Without dead ends: 792 [2020-10-21 22:34:39,167 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2020-10-21 22:34:39,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2020-10-21 22:34:39,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 611. [2020-10-21 22:34:39,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-10-21 22:34:39,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 1364 transitions. [2020-10-21 22:34:39,183 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 1364 transitions. Word has length 39 [2020-10-21 22:34:39,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:34:39,183 INFO L481 AbstractCegarLoop]: Abstraction has 611 states and 1364 transitions. [2020-10-21 22:34:39,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-21 22:34:39,184 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1364 transitions. [2020-10-21 22:34:39,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-21 22:34:39,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:39,186 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:34:39,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-21 22:34:39,186 INFO L429 AbstractCegarLoop]: === Iteration 15 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:39,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:39,186 INFO L82 PathProgramCache]: Analyzing trace with hash -433606476, now seen corresponding path program 1 times [2020-10-21 22:34:39,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:39,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579396967] [2020-10-21 22:34:39,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:39,539 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2020-10-21 22:34:39,668 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-10-21 22:34:39,814 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 38 [2020-10-21 22:34:40,450 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2020-10-21 22:34:40,634 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 51 [2020-10-21 22:34:40,823 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2020-10-21 22:34:40,999 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 44 [2020-10-21 22:34:41,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:34:41,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579396967] [2020-10-21 22:34:41,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:34:41,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-21 22:34:41,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466470576] [2020-10-21 22:34:41,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-21 22:34:41,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:34:41,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-21 22:34:41,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2020-10-21 22:34:41,750 INFO L87 Difference]: Start difference. First operand 611 states and 1364 transitions. Second operand 21 states. [2020-10-21 22:34:43,026 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 55 [2020-10-21 22:34:43,257 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2020-10-21 22:34:43,452 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2020-10-21 22:34:45,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:34:45,506 INFO L93 Difference]: Finished difference Result 901 states and 1995 transitions. [2020-10-21 22:34:45,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-21 22:34:45,507 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 40 [2020-10-21 22:34:45,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:34:45,512 INFO L225 Difference]: With dead ends: 901 [2020-10-21 22:34:45,512 INFO L226 Difference]: Without dead ends: 861 [2020-10-21 22:34:45,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=186, Invalid=1220, Unknown=0, NotChecked=0, Total=1406 [2020-10-21 22:34:45,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-10-21 22:34:45,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 709. [2020-10-21 22:34:45,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2020-10-21 22:34:45,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 1550 transitions. [2020-10-21 22:34:45,529 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 1550 transitions. Word has length 40 [2020-10-21 22:34:45,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:34:45,529 INFO L481 AbstractCegarLoop]: Abstraction has 709 states and 1550 transitions. [2020-10-21 22:34:45,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-21 22:34:45,530 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1550 transitions. [2020-10-21 22:34:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-21 22:34:45,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:45,531 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:34:45,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-21 22:34:45,532 INFO L429 AbstractCegarLoop]: === Iteration 16 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:45,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:45,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1085369190, now seen corresponding path program 2 times [2020-10-21 22:34:45,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:45,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401242465] [2020-10-21 22:34:45,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:45,860 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2020-10-21 22:34:45,985 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-10-21 22:34:46,680 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2020-10-21 22:34:46,856 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 51 [2020-10-21 22:34:47,047 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2020-10-21 22:34:47,217 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 44 [2020-10-21 22:34:47,751 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-10-21 22:34:48,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:34:48,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401242465] [2020-10-21 22:34:48,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:34:48,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-21 22:34:48,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177876523] [2020-10-21 22:34:48,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-21 22:34:48,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:34:48,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-21 22:34:48,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2020-10-21 22:34:48,048 INFO L87 Difference]: Start difference. First operand 709 states and 1550 transitions. Second operand 21 states. [2020-10-21 22:34:49,226 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 55 [2020-10-21 22:34:49,451 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2020-10-21 22:34:49,646 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2020-10-21 22:34:51,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:34:51,727 INFO L93 Difference]: Finished difference Result 999 states and 2181 transitions. [2020-10-21 22:34:51,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-21 22:34:51,728 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 40 [2020-10-21 22:34:51,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:34:51,731 INFO L225 Difference]: With dead ends: 999 [2020-10-21 22:34:51,732 INFO L226 Difference]: Without dead ends: 959 [2020-10-21 22:34:51,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=188, Invalid=1218, Unknown=0, NotChecked=0, Total=1406 [2020-10-21 22:34:51,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2020-10-21 22:34:51,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 709. [2020-10-21 22:34:51,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2020-10-21 22:34:51,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 1550 transitions. [2020-10-21 22:34:51,756 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 1550 transitions. Word has length 40 [2020-10-21 22:34:51,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:34:51,756 INFO L481 AbstractCegarLoop]: Abstraction has 709 states and 1550 transitions. [2020-10-21 22:34:51,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-21 22:34:51,757 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1550 transitions. [2020-10-21 22:34:51,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-21 22:34:51,759 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:51,760 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:34:51,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-21 22:34:51,760 INFO L429 AbstractCegarLoop]: === Iteration 17 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:51,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:51,760 INFO L82 PathProgramCache]: Analyzing trace with hash 982407696, now seen corresponding path program 3 times [2020-10-21 22:34:51,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:51,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006967085] [2020-10-21 22:34:51,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:52,067 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2020-10-21 22:34:52,191 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-10-21 22:34:52,912 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2020-10-21 22:34:53,090 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 51 [2020-10-21 22:34:53,277 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2020-10-21 22:34:53,439 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 44 [2020-10-21 22:34:54,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:34:54,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006967085] [2020-10-21 22:34:54,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:34:54,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-21 22:34:54,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221937135] [2020-10-21 22:34:54,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-21 22:34:54,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:34:54,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-21 22:34:54,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2020-10-21 22:34:54,212 INFO L87 Difference]: Start difference. First operand 709 states and 1550 transitions. Second operand 21 states. [2020-10-21 22:34:55,500 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 55 [2020-10-21 22:34:55,739 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2020-10-21 22:34:55,945 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2020-10-21 22:34:57,281 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-21 22:34:57,439 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-21 22:34:58,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:34:58,237 INFO L93 Difference]: Finished difference Result 989 states and 2166 transitions. [2020-10-21 22:34:58,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-21 22:34:58,237 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 40 [2020-10-21 22:34:58,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:34:58,244 INFO L225 Difference]: With dead ends: 989 [2020-10-21 22:34:58,244 INFO L226 Difference]: Without dead ends: 949 [2020-10-21 22:34:58,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=188, Invalid=1218, Unknown=0, NotChecked=0, Total=1406 [2020-10-21 22:34:58,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2020-10-21 22:34:58,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 709. [2020-10-21 22:34:58,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2020-10-21 22:34:58,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 1550 transitions. [2020-10-21 22:34:58,265 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 1550 transitions. Word has length 40 [2020-10-21 22:34:58,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:34:58,266 INFO L481 AbstractCegarLoop]: Abstraction has 709 states and 1550 transitions. [2020-10-21 22:34:58,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-21 22:34:58,266 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1550 transitions. [2020-10-21 22:34:58,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-21 22:34:58,268 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:34:58,268 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:34:58,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-21 22:34:58,268 INFO L429 AbstractCegarLoop]: === Iteration 18 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:34:58,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:34:58,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1129679540, now seen corresponding path program 4 times [2020-10-21 22:34:58,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:34:58,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286904621] [2020-10-21 22:34:58,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:34:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:34:58,708 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2020-10-21 22:34:58,902 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-10-21 22:34:59,029 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2020-10-21 22:34:59,200 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-10-21 22:34:59,545 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-10-21 22:34:59,707 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2020-10-21 22:34:59,904 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2020-10-21 22:35:00,117 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 51 [2020-10-21 22:35:00,300 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2020-10-21 22:35:00,474 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 44 [2020-10-21 22:35:01,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:35:01,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286904621] [2020-10-21 22:35:01,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:35:01,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-21 22:35:01,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957031777] [2020-10-21 22:35:01,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-21 22:35:01,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:35:01,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-21 22:35:01,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2020-10-21 22:35:01,246 INFO L87 Difference]: Start difference. First operand 709 states and 1550 transitions. Second operand 21 states. [2020-10-21 22:35:02,504 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 55 [2020-10-21 22:35:02,774 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2020-10-21 22:35:02,976 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2020-10-21 22:35:05,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:35:05,107 INFO L93 Difference]: Finished difference Result 1073 states and 2355 transitions. [2020-10-21 22:35:05,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-21 22:35:05,108 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 40 [2020-10-21 22:35:05,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:35:05,114 INFO L225 Difference]: With dead ends: 1073 [2020-10-21 22:35:05,114 INFO L226 Difference]: Without dead ends: 1033 [2020-10-21 22:35:05,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=182, Invalid=1150, Unknown=0, NotChecked=0, Total=1332 [2020-10-21 22:35:05,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2020-10-21 22:35:05,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 712. [2020-10-21 22:35:05,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 712 states. [2020-10-21 22:35:05,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 1557 transitions. [2020-10-21 22:35:05,134 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 1557 transitions. Word has length 40 [2020-10-21 22:35:05,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:35:05,135 INFO L481 AbstractCegarLoop]: Abstraction has 712 states and 1557 transitions. [2020-10-21 22:35:05,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-21 22:35:05,135 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1557 transitions. [2020-10-21 22:35:05,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-21 22:35:05,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:35:05,137 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:35:05,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-21 22:35:05,137 INFO L429 AbstractCegarLoop]: === Iteration 19 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:35:05,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:35:05,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1238570510, now seen corresponding path program 5 times [2020-10-21 22:35:05,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:35:05,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356729548] [2020-10-21 22:35:05,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:35:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:35:05,489 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2020-10-21 22:35:05,622 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-10-21 22:35:06,499 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 51 [2020-10-21 22:35:06,686 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2020-10-21 22:35:06,846 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 44 [2020-10-21 22:35:07,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:35:07,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356729548] [2020-10-21 22:35:07,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:35:07,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-21 22:35:07,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430612622] [2020-10-21 22:35:07,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-21 22:35:07,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:35:07,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-21 22:35:07,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2020-10-21 22:35:07,574 INFO L87 Difference]: Start difference. First operand 712 states and 1557 transitions. Second operand 21 states. [2020-10-21 22:35:08,974 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 55 [2020-10-21 22:35:09,248 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2020-10-21 22:35:09,450 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2020-10-21 22:35:11,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:35:11,491 INFO L93 Difference]: Finished difference Result 1055 states and 2317 transitions. [2020-10-21 22:35:11,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-21 22:35:11,492 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 40 [2020-10-21 22:35:11,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:35:11,496 INFO L225 Difference]: With dead ends: 1055 [2020-10-21 22:35:11,497 INFO L226 Difference]: Without dead ends: 1015 [2020-10-21 22:35:11,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=190, Invalid=1216, Unknown=0, NotChecked=0, Total=1406 [2020-10-21 22:35:11,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2020-10-21 22:35:11,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 721. [2020-10-21 22:35:11,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2020-10-21 22:35:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1578 transitions. [2020-10-21 22:35:11,524 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1578 transitions. Word has length 40 [2020-10-21 22:35:11,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:35:11,525 INFO L481 AbstractCegarLoop]: Abstraction has 721 states and 1578 transitions. [2020-10-21 22:35:11,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-21 22:35:11,525 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1578 transitions. [2020-10-21 22:35:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-21 22:35:11,526 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:35:11,527 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:35:11,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-21 22:35:11,527 INFO L429 AbstractCegarLoop]: === Iteration 20 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:35:11,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:35:11,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1984305836, now seen corresponding path program 6 times [2020-10-21 22:35:11,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:35:11,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003215049] [2020-10-21 22:35:11,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:35:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:35:11,867 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2020-10-21 22:35:12,045 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2020-10-21 22:35:12,343 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-10-21 22:35:12,756 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-21 22:35:12,915 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2020-10-21 22:35:13,108 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 51 [2020-10-21 22:35:13,301 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 52 [2020-10-21 22:35:13,496 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2020-10-21 22:35:14,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:35:14,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003215049] [2020-10-21 22:35:14,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:35:14,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-21 22:35:14,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435787356] [2020-10-21 22:35:14,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-21 22:35:14,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:35:14,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-21 22:35:14,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2020-10-21 22:35:14,403 INFO L87 Difference]: Start difference. First operand 721 states and 1578 transitions. Second operand 22 states. [2020-10-21 22:35:16,025 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-10-21 22:35:16,381 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2020-10-21 22:35:16,712 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2020-10-21 22:35:18,979 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2020-10-21 22:35:19,253 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2020-10-21 22:35:19,611 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2020-10-21 22:35:19,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:35:19,712 INFO L93 Difference]: Finished difference Result 1189 states and 2603 transitions. [2020-10-21 22:35:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-21 22:35:19,713 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 40 [2020-10-21 22:35:19,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:35:19,717 INFO L225 Difference]: With dead ends: 1189 [2020-10-21 22:35:19,717 INFO L226 Difference]: Without dead ends: 1149 [2020-10-21 22:35:19,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=263, Invalid=1717, Unknown=0, NotChecked=0, Total=1980 [2020-10-21 22:35:19,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2020-10-21 22:35:19,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 727. [2020-10-21 22:35:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2020-10-21 22:35:19,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1595 transitions. [2020-10-21 22:35:19,740 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1595 transitions. Word has length 40 [2020-10-21 22:35:19,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:35:19,741 INFO L481 AbstractCegarLoop]: Abstraction has 727 states and 1595 transitions. [2020-10-21 22:35:19,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-21 22:35:19,741 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1595 transitions. [2020-10-21 22:35:19,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-21 22:35:19,742 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:35:19,743 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:35:19,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-21 22:35:19,743 INFO L429 AbstractCegarLoop]: === Iteration 21 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:35:19,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:35:19,743 INFO L82 PathProgramCache]: Analyzing trace with hash -831854586, now seen corresponding path program 7 times [2020-10-21 22:35:19,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:35:19,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422119105] [2020-10-21 22:35:19,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:35:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:35:20,179 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2020-10-21 22:35:20,928 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 48 [2020-10-21 22:35:21,121 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 51 [2020-10-21 22:35:21,313 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 52 [2020-10-21 22:35:21,492 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2020-10-21 22:35:22,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:35:22,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422119105] [2020-10-21 22:35:22,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:35:22,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-21 22:35:22,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856321678] [2020-10-21 22:35:22,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-21 22:35:22,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:35:22,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-21 22:35:22,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2020-10-21 22:35:22,430 INFO L87 Difference]: Start difference. First operand 727 states and 1595 transitions. Second operand 22 states. [2020-10-21 22:35:23,991 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2020-10-21 22:35:24,145 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2020-10-21 22:35:24,553 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2020-10-21 22:35:24,791 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2020-10-21 22:35:27,150 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2020-10-21 22:35:27,416 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2020-10-21 22:35:27,793 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2020-10-21 22:35:27,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:35:27,898 INFO L93 Difference]: Finished difference Result 1183 states and 2590 transitions. [2020-10-21 22:35:27,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-21 22:35:27,898 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 40 [2020-10-21 22:35:27,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:35:27,901 INFO L225 Difference]: With dead ends: 1183 [2020-10-21 22:35:27,901 INFO L226 Difference]: Without dead ends: 1143 [2020-10-21 22:35:27,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=246, Invalid=1646, Unknown=0, NotChecked=0, Total=1892 [2020-10-21 22:35:27,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2020-10-21 22:35:27,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 730. [2020-10-21 22:35:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2020-10-21 22:35:27,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1602 transitions. [2020-10-21 22:35:27,917 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1602 transitions. Word has length 40 [2020-10-21 22:35:27,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:35:27,917 INFO L481 AbstractCegarLoop]: Abstraction has 730 states and 1602 transitions. [2020-10-21 22:35:27,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-21 22:35:27,917 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1602 transitions. [2020-10-21 22:35:27,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-21 22:35:27,920 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:35:27,920 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:35:27,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-21 22:35:27,920 INFO L429 AbstractCegarLoop]: === Iteration 22 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:35:27,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:35:27,921 INFO L82 PathProgramCache]: Analyzing trace with hash -860210642, now seen corresponding path program 8 times [2020-10-21 22:35:27,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:35:27,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605766610] [2020-10-21 22:35:27,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:35:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:35:28,184 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2020-10-21 22:35:28,316 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2020-10-21 22:35:29,109 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 48 [2020-10-21 22:35:29,291 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 49 [2020-10-21 22:35:29,490 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 52 [2020-10-21 22:35:29,676 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2020-10-21 22:35:30,497 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-10-21 22:35:30,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:35:30,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605766610] [2020-10-21 22:35:30,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:35:30,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-21 22:35:30,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517295908] [2020-10-21 22:35:30,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-21 22:35:30,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:35:30,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-21 22:35:30,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2020-10-21 22:35:30,629 INFO L87 Difference]: Start difference. First operand 730 states and 1602 transitions. Second operand 22 states. [2020-10-21 22:35:32,235 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2020-10-21 22:35:32,399 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2020-10-21 22:35:32,633 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2020-10-21 22:35:32,991 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2020-10-21 22:35:33,260 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2020-10-21 22:35:35,623 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2020-10-21 22:35:35,907 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2020-10-21 22:35:36,287 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2020-10-21 22:35:36,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:35:36,379 INFO L93 Difference]: Finished difference Result 1179 states and 2584 transitions. [2020-10-21 22:35:36,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-21 22:35:36,380 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 40 [2020-10-21 22:35:36,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:35:36,383 INFO L225 Difference]: With dead ends: 1179 [2020-10-21 22:35:36,383 INFO L226 Difference]: Without dead ends: 1139 [2020-10-21 22:35:36,385 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=249, Invalid=1731, Unknown=0, NotChecked=0, Total=1980 [2020-10-21 22:35:36,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2020-10-21 22:35:36,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 733. [2020-10-21 22:35:36,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2020-10-21 22:35:36,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1609 transitions. [2020-10-21 22:35:36,400 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1609 transitions. Word has length 40 [2020-10-21 22:35:36,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:35:36,400 INFO L481 AbstractCegarLoop]: Abstraction has 733 states and 1609 transitions. [2020-10-21 22:35:36,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-21 22:35:36,400 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1609 transitions. [2020-10-21 22:35:36,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-21 22:35:36,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:35:36,402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:35:36,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-21 22:35:36,403 INFO L429 AbstractCegarLoop]: === Iteration 23 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:35:36,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:35:36,403 INFO L82 PathProgramCache]: Analyzing trace with hash 583986742, now seen corresponding path program 9 times [2020-10-21 22:35:36,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:35:36,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069746473] [2020-10-21 22:35:36,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:35:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:35:36,668 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2020-10-21 22:35:36,787 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2020-10-21 22:35:37,386 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-21 22:35:37,550 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 48 [2020-10-21 22:35:37,732 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 49 [2020-10-21 22:35:37,896 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 42 [2020-10-21 22:35:38,074 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2020-10-21 22:35:38,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:35:38,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069746473] [2020-10-21 22:35:38,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:35:38,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-21 22:35:38,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315644268] [2020-10-21 22:35:38,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-21 22:35:38,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:35:38,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-21 22:35:38,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2020-10-21 22:35:38,998 INFO L87 Difference]: Start difference. First operand 733 states and 1609 transitions. Second operand 22 states. [2020-10-21 22:35:40,610 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2020-10-21 22:35:40,772 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2020-10-21 22:35:41,009 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2020-10-21 22:35:41,351 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2020-10-21 22:35:41,619 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2020-10-21 22:35:44,155 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2020-10-21 22:35:44,405 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2020-10-21 22:35:44,790 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2020-10-21 22:35:44,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:35:44,890 INFO L93 Difference]: Finished difference Result 1283 states and 2820 transitions. [2020-10-21 22:35:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-21 22:35:44,890 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 40 [2020-10-21 22:35:44,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:35:44,893 INFO L225 Difference]: With dead ends: 1283 [2020-10-21 22:35:44,893 INFO L226 Difference]: Without dead ends: 1243 [2020-10-21 22:35:44,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=255, Invalid=1725, Unknown=0, NotChecked=0, Total=1980 [2020-10-21 22:35:44,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2020-10-21 22:35:44,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 763. [2020-10-21 22:35:44,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 763 states. [2020-10-21 22:35:44,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1679 transitions. [2020-10-21 22:35:44,911 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1679 transitions. Word has length 40 [2020-10-21 22:35:44,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:35:44,911 INFO L481 AbstractCegarLoop]: Abstraction has 763 states and 1679 transitions. [2020-10-21 22:35:44,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-21 22:35:44,911 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1679 transitions. [2020-10-21 22:35:44,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-21 22:35:44,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:35:44,913 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:35:44,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-21 22:35:44,913 INFO L429 AbstractCegarLoop]: === Iteration 24 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:35:44,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:35:44,914 INFO L82 PathProgramCache]: Analyzing trace with hash -543915664, now seen corresponding path program 10 times [2020-10-21 22:35:44,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:35:44,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323693317] [2020-10-21 22:35:44,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:35:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2020-10-21 22:38:07,918 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 22:38:07,929 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 22:38:07,931 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 22:38:07,932 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 22:38:07,935 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 22:38:07,937 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 22:38:07,940 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 22:38:07,950 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 22:38:07,951 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 22:38:07,951 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 22:38:07,960 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 22:38:07,961 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 22:38:07,962 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 22:38:07,963 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 22:38:07,966 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 22:38:07,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-21 22:38:07,975 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-21 22:38:07,979 WARN L235 ceAbstractionStarter]: Timeout [2020-10-21 22:38:07,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 10:38:07 BasicIcfg [2020-10-21 22:38:07,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 22:38:07,981 INFO L168 Benchmark]: Toolchain (without parser) took 236471.35 ms. Allocated memory was 140.0 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 101.4 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-10-21 22:38:07,981 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-21 22:38:07,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 972.13 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.2 MB in the beginning and 131.8 MB in the end (delta: -31.7 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2020-10-21 22:38:07,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.09 ms. Allocated memory is still 202.9 MB. Free memory was 131.8 MB in the beginning and 129.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-21 22:38:07,986 INFO L168 Benchmark]: Boogie Preprocessor took 44.24 ms. Allocated memory is still 202.9 MB. Free memory was 129.0 MB in the beginning and 126.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-21 22:38:07,986 INFO L168 Benchmark]: RCFGBuilder took 767.03 ms. Allocated memory was 202.9 MB in the beginning and 237.5 MB in the end (delta: 34.6 MB). Free memory was 126.1 MB in the beginning and 193.8 MB in the end (delta: -67.7 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. [2020-10-21 22:38:07,986 INFO L168 Benchmark]: TraceAbstraction took 234578.23 ms. Allocated memory was 237.5 MB in the beginning and 3.0 GB in the end (delta: 2.7 GB). Free memory was 193.8 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-10-21 22:38:07,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 972.13 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.2 MB in the beginning and 131.8 MB in the end (delta: -31.7 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 98.09 ms. Allocated memory is still 202.9 MB. Free memory was 131.8 MB in the beginning and 129.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.24 ms. Allocated memory is still 202.9 MB. Free memory was 129.0 MB in the beginning and 126.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 767.03 ms. Allocated memory was 202.9 MB in the beginning and 237.5 MB in the end (delta: 34.6 MB). Free memory was 126.1 MB in the beginning and 193.8 MB in the end (delta: -67.7 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 234578.23 ms. Allocated memory was 237.5 MB in the beginning and 3.0 GB in the end (delta: 2.7 GB). Free memory was 193.8 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8826 VarBasedMoverChecksPositive, 113 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 567 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 11.8s, 250 PlacesBefore, 70 PlacesAfterwards, 263 TransitionsBefore, 76 TransitionsAfterwards, 16756 CoEnabledTransitionPairs, 7 FixpointIterations, 69 TrivialSequentialCompositions, 123 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 23 ConcurrentYvCompositions, 7 ChoiceCompositions, 231 TotalNumberOfCompositions, 41140 MoverChecksTotal - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 13). Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 39 interpolants. - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 13). Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 39 interpolants. - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 13). Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 39 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 244 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 234.3s, OverallIterations: 24, TraceHistogramMax: 1, AutomataDifference: 48.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.9s, HoareTripleCheckerStatistics: 1599 SDtfs, 2792 SDslu, 9077 SDs, 0 SdLazy, 19641 SolverSat, 582 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 573 GetRequests, 32 SyntacticMatches, 45 SemanticMatches, 496 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3456 ImplicationChecksByTransitivity, 48.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1461occurred 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: 0.7s AutomataMinimizationTime, 23 MinimizatonAttempts, 4236 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 28.1s InterpolantComputationTime, 664 NumberOfCodeBlocks, 664 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 641 ConstructedInterpolants, 0 QuantifiedInterpolants, 967851 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 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 could not prove your program: Timeout Completed graceful shutdown