/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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe026_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 22:47:31,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 22:47:31,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 22:47:31,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 22:47:31,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 22:47:31,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 22:47:31,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 22:47:31,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 22:47:31,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 22:47:31,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 22:47:31,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 22:47:31,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 22:47:31,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 22:47:31,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 22:47:31,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 22:47:31,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 22:47:31,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 22:47:31,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 22:47:31,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 22:47:31,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 22:47:31,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 22:47:31,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 22:47:31,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 22:47:31,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 22:47:31,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 22:47:31,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 22:47:31,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 22:47:31,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 22:47:31,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 22:47:31,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 22:47:31,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 22:47:31,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 22:47:31,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 22:47:31,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 22:47:31,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 22:47:31,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 22:47:31,163 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-MCR.epf [2019-12-27 22:47:31,195 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 22:47:31,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 22:47:31,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 22:47:31,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 22:47:31,197 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 22:47:31,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 22:47:31,197 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 22:47:31,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 22:47:31,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 22:47:31,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 22:47:31,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 22:47:31,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 22:47:31,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 22:47:31,199 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 22:47:31,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 22:47:31,199 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 22:47:31,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 22:47:31,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 22:47:31,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 22:47:31,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 22:47:31,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 22:47:31,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 22:47:31,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 22:47:31,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 22:47:31,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 22:47:31,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 22:47:31,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 22:47:31,201 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 22:47:31,202 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 22:47:31,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 22:47:31,202 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 22:47:31,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 22:47:31,460 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 22:47:31,472 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 22:47:31,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 22:47:31,477 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 22:47:31,477 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 22:47:31,478 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_power.oepc.i [2019-12-27 22:47:31,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf203cfb4/54e54d7982c643e4ae7f3dc03edabcd3/FLAGe07ce4c58 [2019-12-27 22:47:32,029 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 22:47:32,030 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_power.oepc.i [2019-12-27 22:47:32,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf203cfb4/54e54d7982c643e4ae7f3dc03edabcd3/FLAGe07ce4c58 [2019-12-27 22:47:32,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf203cfb4/54e54d7982c643e4ae7f3dc03edabcd3 [2019-12-27 22:47:32,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 22:47:32,367 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 22:47:32,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 22:47:32,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 22:47:32,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 22:47:32,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 10:47:32" (1/1) ... [2019-12-27 22:47:32,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b357da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:47:32, skipping insertion in model container [2019-12-27 22:47:32,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 10:47:32" (1/1) ... [2019-12-27 22:47:32,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 22:47:32,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 22:47:33,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 22:47:33,023 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 22:47:33,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 22:47:33,218 INFO L208 MainTranslator]: Completed translation [2019-12-27 22:47:33,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:47:33 WrapperNode [2019-12-27 22:47:33,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 22:47:33,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 22:47:33,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 22:47:33,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 22:47:33,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:47:33" (1/1) ... [2019-12-27 22:47:33,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:47:33" (1/1) ... [2019-12-27 22:47:33,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 22:47:33,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 22:47:33,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 22:47:33,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 22:47:33,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:47:33" (1/1) ... [2019-12-27 22:47:33,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:47:33" (1/1) ... [2019-12-27 22:47:33,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:47:33" (1/1) ... [2019-12-27 22:47:33,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:47:33" (1/1) ... [2019-12-27 22:47:33,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:47:33" (1/1) ... [2019-12-27 22:47:33,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:47:33" (1/1) ... [2019-12-27 22:47:33,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:47:33" (1/1) ... [2019-12-27 22:47:33,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 22:47:33,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 22:47:33,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 22:47:33,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 22:47:33,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:47:33" (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 [2019-12-27 22:47:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 22:47:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 22:47:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 22:47:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 22:47:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 22:47:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 22:47:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 22:47:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 22:47:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 22:47:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 22:47:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 22:47:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 22:47:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 22:47:33,418 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 22:47:34,186 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 22:47:34,187 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-27 22:47:34,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 10:47:34 BoogieIcfgContainer [2019-12-27 22:47:34,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 22:47:34,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 22:47:34,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 22:47:34,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 22:47:34,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 10:47:32" (1/3) ... [2019-12-27 22:47:34,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d313c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 10:47:34, skipping insertion in model container [2019-12-27 22:47:34,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:47:33" (2/3) ... [2019-12-27 22:47:34,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d313c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 10:47:34, skipping insertion in model container [2019-12-27 22:47:34,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 10:47:34" (3/3) ... [2019-12-27 22:47:34,202 INFO L109 eAbstractionObserver]: Analyzing ICFG safe026_power.oepc.i [2019-12-27 22:47:34,215 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 22:47:34,215 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 22:47:34,229 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 22:47:34,230 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 22:47:34,294 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,295 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,295 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,295 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,296 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,296 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,296 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,297 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,297 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,298 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,298 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,298 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,298 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,300 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,301 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,301 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,301 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,302 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,302 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,302 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,302 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,303 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,303 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,303 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,304 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,304 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,304 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,304 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,305 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,305 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,306 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,306 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,307 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,307 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,310 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,310 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,311 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,312 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,313 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,314 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,314 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,315 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,315 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,315 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,315 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,316 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,316 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,316 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,317 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,317 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,343 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,344 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,344 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,344 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,344 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,345 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,347 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,347 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,347 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,347 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,348 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,348 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,348 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,348 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,349 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,350 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,350 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,350 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,350 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,350 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,350 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,351 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,351 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,351 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,351 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,352 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,352 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,352 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,352 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,353 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,353 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,353 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,353 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,353 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,354 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,354 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,354 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,355 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,355 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,355 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,355 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,355 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,356 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,356 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,356 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,356 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,357 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,357 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,357 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,357 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,357 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,358 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,358 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,358 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,358 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,359 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,359 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,359 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,359 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,359 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,360 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,360 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,360 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,360 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,361 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,361 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,361 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,361 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,361 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,361 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,362 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,362 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,362 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,362 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,362 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,363 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,363 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,363 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,363 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,363 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,364 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,364 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,364 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,364 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,364 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,365 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,365 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,365 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,365 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,365 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,366 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,366 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,366 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,366 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,366 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,367 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,367 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,367 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,367 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,367 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,367 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,368 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,368 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,368 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,368 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,368 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,369 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,369 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,369 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,369 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,369 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,370 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,370 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,370 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,370 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,370 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,371 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,371 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,371 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,371 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,371 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,372 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,372 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,372 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,372 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,372 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,373 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,373 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,373 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,373 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,374 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,374 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,377 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,378 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,378 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,378 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,378 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,378 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,379 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,379 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,379 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,379 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,379 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,380 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,382 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,382 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,382 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,383 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,383 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,383 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,383 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,383 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,384 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,384 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,386 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,386 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,386 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,386 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,387 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,387 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,387 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,387 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,387 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,388 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,388 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,388 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,388 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,388 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,389 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,389 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,389 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,389 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,389 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,389 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,390 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,390 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,390 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,390 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,391 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,391 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,391 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,391 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,392 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,392 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,392 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,392 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,392 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:47:34,407 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 22:47:34,429 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 22:47:34,429 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 22:47:34,429 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 22:47:34,429 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 22:47:34,429 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 22:47:34,429 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 22:47:34,429 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 22:47:34,429 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 22:47:34,446 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 211 transitions [2019-12-27 22:47:34,448 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 174 places, 211 transitions [2019-12-27 22:47:34,566 INFO L132 PetriNetUnfolder]: 47/208 cut-off events. [2019-12-27 22:47:34,566 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 22:47:34,588 INFO L76 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 208 events. 47/208 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 434 event pairs. 0/159 useless extension candidates. Maximal degree in co-relation 179. Up to 2 conditions per place. [2019-12-27 22:47:34,614 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 174 places, 211 transitions [2019-12-27 22:47:34,698 INFO L132 PetriNetUnfolder]: 47/208 cut-off events. [2019-12-27 22:47:34,699 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 22:47:34,706 INFO L76 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 208 events. 47/208 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 434 event pairs. 0/159 useless extension candidates. Maximal degree in co-relation 179. Up to 2 conditions per place. [2019-12-27 22:47:34,733 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 19004 [2019-12-27 22:47:34,734 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 22:47:38,022 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-12-27 22:47:38,134 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-12-27 22:47:38,466 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2019-12-27 22:47:38,592 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-12-27 22:47:38,615 INFO L206 etLargeBlockEncoding]: Checked pairs total: 81281 [2019-12-27 22:47:38,615 INFO L214 etLargeBlockEncoding]: Total number of compositions: 111 [2019-12-27 22:47:38,619 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 105 transitions [2019-12-27 22:47:57,564 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 120347 states. [2019-12-27 22:47:57,566 INFO L276 IsEmpty]: Start isEmpty. Operand 120347 states. [2019-12-27 22:47:57,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-27 22:47:57,572 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:47:57,573 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-27 22:47:57,573 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:47:57,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:47:57,579 INFO L82 PathProgramCache]: Analyzing trace with hash 907029, now seen corresponding path program 1 times [2019-12-27 22:47:57,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:47:57,588 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869681025] [2019-12-27 22:47:57,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:47:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:47:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:47:58,018 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869681025] [2019-12-27 22:47:58,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:47:58,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 22:47:58,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [884011425] [2019-12-27 22:47:58,022 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:47:58,027 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:47:58,039 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 4 states and 3 transitions. [2019-12-27 22:47:58,040 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:47:58,044 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:47:58,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 22:47:58,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:47:58,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 22:47:58,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:47:58,060 INFO L87 Difference]: Start difference. First operand 120347 states. Second operand 3 states. [2019-12-27 22:47:59,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:47:59,323 INFO L93 Difference]: Finished difference Result 118789 states and 505722 transitions. [2019-12-27 22:47:59,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 22:47:59,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-27 22:47:59,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:48:03,251 INFO L225 Difference]: With dead ends: 118789 [2019-12-27 22:48:03,251 INFO L226 Difference]: Without dead ends: 111860 [2019-12-27 22:48:03,256 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:48:07,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111860 states. [2019-12-27 22:48:09,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111860 to 111860. [2019-12-27 22:48:09,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111860 states. [2019-12-27 22:48:10,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111860 states to 111860 states and 475614 transitions. [2019-12-27 22:48:10,556 INFO L78 Accepts]: Start accepts. Automaton has 111860 states and 475614 transitions. Word has length 3 [2019-12-27 22:48:10,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:48:10,557 INFO L462 AbstractCegarLoop]: Abstraction has 111860 states and 475614 transitions. [2019-12-27 22:48:10,557 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 22:48:10,557 INFO L276 IsEmpty]: Start isEmpty. Operand 111860 states and 475614 transitions. [2019-12-27 22:48:10,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 22:48:10,561 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:48:10,561 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:48:10,561 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:48:10,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:48:10,562 INFO L82 PathProgramCache]: Analyzing trace with hash -559239811, now seen corresponding path program 1 times [2019-12-27 22:48:10,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:48:10,563 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273052253] [2019-12-27 22:48:10,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:48:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:48:10,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:48:10,651 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273052253] [2019-12-27 22:48:10,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:48:10,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 22:48:10,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1046064795] [2019-12-27 22:48:10,653 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:48:10,655 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:48:10,659 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 12 states and 11 transitions. [2019-12-27 22:48:10,659 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:48:10,659 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:48:10,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 22:48:10,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:48:10,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 22:48:10,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 22:48:10,662 INFO L87 Difference]: Start difference. First operand 111860 states and 475614 transitions. Second operand 4 states. [2019-12-27 22:48:16,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:48:16,397 INFO L93 Difference]: Finished difference Result 177255 states and 718849 transitions. [2019-12-27 22:48:16,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 22:48:16,398 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-27 22:48:16,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:48:17,059 INFO L225 Difference]: With dead ends: 177255 [2019-12-27 22:48:17,059 INFO L226 Difference]: Without dead ends: 177206 [2019-12-27 22:48:17,060 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 22:48:22,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177206 states. [2019-12-27 22:48:29,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177206 to 161396. [2019-12-27 22:48:29,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161396 states. [2019-12-27 22:48:30,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161396 states to 161396 states and 663889 transitions. [2019-12-27 22:48:30,885 INFO L78 Accepts]: Start accepts. Automaton has 161396 states and 663889 transitions. Word has length 11 [2019-12-27 22:48:30,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:48:30,886 INFO L462 AbstractCegarLoop]: Abstraction has 161396 states and 663889 transitions. [2019-12-27 22:48:30,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 22:48:30,886 INFO L276 IsEmpty]: Start isEmpty. Operand 161396 states and 663889 transitions. [2019-12-27 22:48:30,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 22:48:30,893 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:48:30,893 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:48:30,893 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:48:30,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:48:30,894 INFO L82 PathProgramCache]: Analyzing trace with hash 66814097, now seen corresponding path program 1 times [2019-12-27 22:48:30,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:48:30,894 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086609742] [2019-12-27 22:48:30,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:48:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:48:30,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:48:30,976 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086609742] [2019-12-27 22:48:30,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:48:30,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 22:48:30,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2049405187] [2019-12-27 22:48:30,977 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:48:30,978 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:48:30,979 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 14 states and 13 transitions. [2019-12-27 22:48:30,980 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:48:30,980 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:48:30,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 22:48:30,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:48:30,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 22:48:30,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 22:48:30,981 INFO L87 Difference]: Start difference. First operand 161396 states and 663889 transitions. Second operand 4 states. [2019-12-27 22:48:32,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:48:32,439 INFO L93 Difference]: Finished difference Result 224772 states and 902688 transitions. [2019-12-27 22:48:32,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 22:48:32,439 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-27 22:48:32,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:48:33,016 INFO L225 Difference]: With dead ends: 224772 [2019-12-27 22:48:33,017 INFO L226 Difference]: Without dead ends: 224716 [2019-12-27 22:48:33,017 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 22:48:46,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224716 states. [2019-12-27 22:48:49,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224716 to 189547. [2019-12-27 22:48:49,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189547 states. [2019-12-27 22:48:50,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189547 states to 189547 states and 775648 transitions. [2019-12-27 22:48:50,724 INFO L78 Accepts]: Start accepts. Automaton has 189547 states and 775648 transitions. Word has length 13 [2019-12-27 22:48:50,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:48:50,725 INFO L462 AbstractCegarLoop]: Abstraction has 189547 states and 775648 transitions. [2019-12-27 22:48:50,725 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 22:48:50,725 INFO L276 IsEmpty]: Start isEmpty. Operand 189547 states and 775648 transitions. [2019-12-27 22:48:50,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-27 22:48:50,735 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:48:50,735 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:48:50,736 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:48:50,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:48:50,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1749760644, now seen corresponding path program 1 times [2019-12-27 22:48:50,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:48:50,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508704378] [2019-12-27 22:48:50,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:48:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:48:50,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:48:50,828 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508704378] [2019-12-27 22:48:50,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:48:50,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 22:48:50,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1853991017] [2019-12-27 22:48:50,829 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:48:50,832 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:48:50,834 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 17 states and 16 transitions. [2019-12-27 22:48:50,835 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:48:50,835 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:48:50,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 22:48:50,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:48:50,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 22:48:50,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 22:48:50,836 INFO L87 Difference]: Start difference. First operand 189547 states and 775648 transitions. Second operand 5 states. [2019-12-27 22:48:52,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:48:52,370 INFO L93 Difference]: Finished difference Result 246640 states and 1000431 transitions. [2019-12-27 22:48:52,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 22:48:52,370 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-12-27 22:48:52,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:49:01,337 INFO L225 Difference]: With dead ends: 246640 [2019-12-27 22:49:01,338 INFO L226 Difference]: Without dead ends: 246640 [2019-12-27 22:49:01,338 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 22:49:07,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246640 states. [2019-12-27 22:49:11,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246640 to 206375. [2019-12-27 22:49:11,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206375 states. [2019-12-27 22:49:12,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206375 states to 206375 states and 844011 transitions. [2019-12-27 22:49:12,839 INFO L78 Accepts]: Start accepts. Automaton has 206375 states and 844011 transitions. Word has length 16 [2019-12-27 22:49:12,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:49:12,839 INFO L462 AbstractCegarLoop]: Abstraction has 206375 states and 844011 transitions. [2019-12-27 22:49:12,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 22:49:12,839 INFO L276 IsEmpty]: Start isEmpty. Operand 206375 states and 844011 transitions. [2019-12-27 22:49:12,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 22:49:12,856 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:49:12,856 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:49:12,857 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:49:12,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:49:12,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1816850367, now seen corresponding path program 1 times [2019-12-27 22:49:12,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:49:12,858 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854889392] [2019-12-27 22:49:12,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:49:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:49:12,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:49:12,944 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854889392] [2019-12-27 22:49:12,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:49:12,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 22:49:12,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1945111305] [2019-12-27 22:49:12,944 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:49:12,947 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:49:12,949 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 24 states and 28 transitions. [2019-12-27 22:49:12,949 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:49:12,950 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:49:12,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 22:49:12,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:49:12,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 22:49:12,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:49:12,952 INFO L87 Difference]: Start difference. First operand 206375 states and 844011 transitions. Second operand 3 states. [2019-12-27 22:49:21,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:49:21,167 INFO L93 Difference]: Finished difference Result 206157 states and 843118 transitions. [2019-12-27 22:49:21,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 22:49:21,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-27 22:49:21,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:49:21,778 INFO L225 Difference]: With dead ends: 206157 [2019-12-27 22:49:21,778 INFO L226 Difference]: Without dead ends: 206157 [2019-12-27 22:49:21,778 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:49:27,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206157 states. [2019-12-27 22:49:31,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206157 to 206157. [2019-12-27 22:49:31,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206157 states. [2019-12-27 22:49:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206157 states to 206157 states and 843118 transitions. [2019-12-27 22:49:32,835 INFO L78 Accepts]: Start accepts. Automaton has 206157 states and 843118 transitions. Word has length 18 [2019-12-27 22:49:32,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:49:32,836 INFO L462 AbstractCegarLoop]: Abstraction has 206157 states and 843118 transitions. [2019-12-27 22:49:32,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 22:49:32,836 INFO L276 IsEmpty]: Start isEmpty. Operand 206157 states and 843118 transitions. [2019-12-27 22:49:32,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-27 22:49:32,854 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:49:32,854 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:49:32,854 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:49:32,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:49:32,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1589816954, now seen corresponding path program 1 times [2019-12-27 22:49:32,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:49:32,855 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179648799] [2019-12-27 22:49:32,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:49:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:49:32,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:49:32,947 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179648799] [2019-12-27 22:49:32,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:49:32,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 22:49:32,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1619392941] [2019-12-27 22:49:32,948 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:49:32,953 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:49:32,960 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 34 states and 47 transitions. [2019-12-27 22:49:32,961 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:49:33,000 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-27 22:49:33,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 22:49:33,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:49:33,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 22:49:33,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 22:49:33,002 INFO L87 Difference]: Start difference. First operand 206157 states and 843118 transitions. Second operand 4 states. [2019-12-27 22:49:42,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:49:42,356 INFO L93 Difference]: Finished difference Result 331538 states and 1351950 transitions. [2019-12-27 22:49:42,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 22:49:42,357 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-27 22:49:42,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:49:42,947 INFO L225 Difference]: With dead ends: 331538 [2019-12-27 22:49:42,947 INFO L226 Difference]: Without dead ends: 190876 [2019-12-27 22:49:42,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 22:49:48,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190876 states. [2019-12-27 22:49:51,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190876 to 180724. [2019-12-27 22:49:51,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180724 states. [2019-12-27 22:49:52,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180724 states to 180724 states and 727525 transitions. [2019-12-27 22:49:52,573 INFO L78 Accepts]: Start accepts. Automaton has 180724 states and 727525 transitions. Word has length 19 [2019-12-27 22:49:52,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:49:52,573 INFO L462 AbstractCegarLoop]: Abstraction has 180724 states and 727525 transitions. [2019-12-27 22:49:52,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 22:49:52,574 INFO L276 IsEmpty]: Start isEmpty. Operand 180724 states and 727525 transitions. [2019-12-27 22:49:52,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-27 22:49:52,587 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:49:52,588 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:49:52,588 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:49:52,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:49:52,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1623405261, now seen corresponding path program 1 times [2019-12-27 22:49:52,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:49:52,589 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807312450] [2019-12-27 22:49:52,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:49:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:49:52,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:49:52,635 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807312450] [2019-12-27 22:49:52,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:49:52,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 22:49:52,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1989701157] [2019-12-27 22:49:52,636 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:49:52,639 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:49:52,644 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 41 states and 64 transitions. [2019-12-27 22:49:52,644 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:49:52,645 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:49:52,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 22:49:52,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:49:52,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 22:49:52,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:49:52,646 INFO L87 Difference]: Start difference. First operand 180724 states and 727525 transitions. Second operand 3 states. [2019-12-27 22:49:54,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:49:54,640 INFO L93 Difference]: Finished difference Result 180384 states and 726209 transitions. [2019-12-27 22:49:54,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 22:49:54,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-27 22:49:54,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:49:55,111 INFO L225 Difference]: With dead ends: 180384 [2019-12-27 22:49:55,111 INFO L226 Difference]: Without dead ends: 180384 [2019-12-27 22:49:55,111 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:50:07,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180384 states. [2019-12-27 22:50:09,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180384 to 180384. [2019-12-27 22:50:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180384 states. [2019-12-27 22:50:10,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180384 states to 180384 states and 726209 transitions. [2019-12-27 22:50:10,510 INFO L78 Accepts]: Start accepts. Automaton has 180384 states and 726209 transitions. Word has length 19 [2019-12-27 22:50:10,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:50:10,511 INFO L462 AbstractCegarLoop]: Abstraction has 180384 states and 726209 transitions. [2019-12-27 22:50:10,511 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 22:50:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 180384 states and 726209 transitions. [2019-12-27 22:50:10,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-27 22:50:10,528 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:50:10,528 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:50:10,528 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:50:10,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:50:10,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1887500027, now seen corresponding path program 1 times [2019-12-27 22:50:10,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:50:10,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97997844] [2019-12-27 22:50:10,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:50:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:50:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:50:10,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97997844] [2019-12-27 22:50:10,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:50:10,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 22:50:10,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [528273547] [2019-12-27 22:50:10,617 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:50:10,619 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:50:10,625 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 38 states and 55 transitions. [2019-12-27 22:50:10,625 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:50:10,626 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:50:10,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 22:50:10,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:50:10,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 22:50:10,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 22:50:10,627 INFO L87 Difference]: Start difference. First operand 180384 states and 726209 transitions. Second operand 5 states. [2019-12-27 22:50:13,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:50:13,610 INFO L93 Difference]: Finished difference Result 233823 states and 920627 transitions. [2019-12-27 22:50:13,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-27 22:50:13,611 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-12-27 22:50:20,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:50:21,252 INFO L225 Difference]: With dead ends: 233823 [2019-12-27 22:50:21,252 INFO L226 Difference]: Without dead ends: 233732 [2019-12-27 22:50:21,253 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-27 22:50:27,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233732 states. [2019-12-27 22:50:30,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233732 to 185889. [2019-12-27 22:50:30,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185889 states. [2019-12-27 22:50:31,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185889 states to 185889 states and 748500 transitions. [2019-12-27 22:50:31,263 INFO L78 Accepts]: Start accepts. Automaton has 185889 states and 748500 transitions. Word has length 19 [2019-12-27 22:50:31,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:50:31,263 INFO L462 AbstractCegarLoop]: Abstraction has 185889 states and 748500 transitions. [2019-12-27 22:50:31,263 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 22:50:31,264 INFO L276 IsEmpty]: Start isEmpty. Operand 185889 states and 748500 transitions. [2019-12-27 22:50:31,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-27 22:50:31,282 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:50:31,283 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:50:31,283 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:50:31,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:50:31,283 INFO L82 PathProgramCache]: Analyzing trace with hash -2125445274, now seen corresponding path program 1 times [2019-12-27 22:50:31,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:50:31,284 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217679108] [2019-12-27 22:50:31,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:50:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:50:31,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:50:31,350 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217679108] [2019-12-27 22:50:31,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:50:31,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 22:50:31,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1384091378] [2019-12-27 22:50:31,354 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:50:31,357 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:50:31,362 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 38 states and 58 transitions. [2019-12-27 22:50:31,362 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:50:31,379 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 5 times. [2019-12-27 22:50:31,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 22:50:31,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:50:31,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 22:50:31,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 22:50:31,380 INFO L87 Difference]: Start difference. First operand 185889 states and 748500 transitions. Second operand 5 states. [2019-12-27 22:50:33,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:50:33,051 INFO L93 Difference]: Finished difference Result 58718 states and 193455 transitions. [2019-12-27 22:50:33,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 22:50:33,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-12-27 22:50:33,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:50:33,134 INFO L225 Difference]: With dead ends: 58718 [2019-12-27 22:50:33,135 INFO L226 Difference]: Without dead ends: 49146 [2019-12-27 22:50:33,135 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-27 22:50:33,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49146 states. [2019-12-27 22:50:33,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49146 to 33385. [2019-12-27 22:50:33,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33385 states. [2019-12-27 22:50:33,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33385 states to 33385 states and 106306 transitions. [2019-12-27 22:50:33,817 INFO L78 Accepts]: Start accepts. Automaton has 33385 states and 106306 transitions. Word has length 20 [2019-12-27 22:50:33,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:50:33,818 INFO L462 AbstractCegarLoop]: Abstraction has 33385 states and 106306 transitions. [2019-12-27 22:50:33,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 22:50:33,818 INFO L276 IsEmpty]: Start isEmpty. Operand 33385 states and 106306 transitions. [2019-12-27 22:50:33,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 22:50:33,824 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:50:33,824 INFO L411 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] [2019-12-27 22:50:33,824 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:50:33,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:50:33,824 INFO L82 PathProgramCache]: Analyzing trace with hash 77153860, now seen corresponding path program 1 times [2019-12-27 22:50:33,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:50:33,825 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849521087] [2019-12-27 22:50:33,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:50:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:50:33,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:50:33,905 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849521087] [2019-12-27 22:50:33,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:50:33,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 22:50:33,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [876054919] [2019-12-27 22:50:33,906 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:50:33,909 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:50:33,914 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 25 states and 26 transitions. [2019-12-27 22:50:33,915 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:50:33,915 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:50:33,915 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 22:50:33,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:50:33,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 22:50:33,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 22:50:33,916 INFO L87 Difference]: Start difference. First operand 33385 states and 106306 transitions. Second operand 6 states. [2019-12-27 22:50:34,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:50:34,904 INFO L93 Difference]: Finished difference Result 48361 states and 149304 transitions. [2019-12-27 22:50:34,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-27 22:50:34,904 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-12-27 22:50:34,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:50:35,002 INFO L225 Difference]: With dead ends: 48361 [2019-12-27 22:50:35,002 INFO L226 Difference]: Without dead ends: 48305 [2019-12-27 22:50:35,003 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-12-27 22:50:37,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48305 states. [2019-12-27 22:50:38,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48305 to 35033. [2019-12-27 22:50:38,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35033 states. [2019-12-27 22:50:38,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35033 states to 35033 states and 110745 transitions. [2019-12-27 22:50:38,132 INFO L78 Accepts]: Start accepts. Automaton has 35033 states and 110745 transitions. Word has length 22 [2019-12-27 22:50:38,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:50:38,132 INFO L462 AbstractCegarLoop]: Abstraction has 35033 states and 110745 transitions. [2019-12-27 22:50:38,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 22:50:38,132 INFO L276 IsEmpty]: Start isEmpty. Operand 35033 states and 110745 transitions. [2019-12-27 22:50:38,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-27 22:50:38,143 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:50:38,143 INFO L411 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] [2019-12-27 22:50:38,143 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:50:38,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:50:38,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1405741723, now seen corresponding path program 1 times [2019-12-27 22:50:38,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:50:38,144 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439335583] [2019-12-27 22:50:38,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:50:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:50:38,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:50:38,223 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439335583] [2019-12-27 22:50:38,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:50:38,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 22:50:38,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1553623791] [2019-12-27 22:50:38,224 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:50:38,228 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:50:38,234 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 28 states and 27 transitions. [2019-12-27 22:50:38,234 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:50:38,235 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:50:38,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 22:50:38,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:50:38,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 22:50:38,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 22:50:38,236 INFO L87 Difference]: Start difference. First operand 35033 states and 110745 transitions. Second operand 6 states. [2019-12-27 22:50:38,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:50:38,959 INFO L93 Difference]: Finished difference Result 52578 states and 160713 transitions. [2019-12-27 22:50:38,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-27 22:50:38,960 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2019-12-27 22:50:38,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:50:39,036 INFO L225 Difference]: With dead ends: 52578 [2019-12-27 22:50:39,036 INFO L226 Difference]: Without dead ends: 52230 [2019-12-27 22:50:39,036 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-12-27 22:50:39,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52230 states. [2019-12-27 22:50:39,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52230 to 38663. [2019-12-27 22:50:39,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38663 states. [2019-12-27 22:50:40,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38663 states to 38663 states and 121081 transitions. [2019-12-27 22:50:40,046 INFO L78 Accepts]: Start accepts. Automaton has 38663 states and 121081 transitions. Word has length 27 [2019-12-27 22:50:40,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:50:40,046 INFO L462 AbstractCegarLoop]: Abstraction has 38663 states and 121081 transitions. [2019-12-27 22:50:40,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 22:50:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 38663 states and 121081 transitions. [2019-12-27 22:50:40,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-27 22:50:40,061 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:50:40,061 INFO L411 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] [2019-12-27 22:50:40,062 INFO L410 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:50:40,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:50:40,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1308765611, now seen corresponding path program 1 times [2019-12-27 22:50:40,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:50:40,063 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092721320] [2019-12-27 22:50:40,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:50:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:50:40,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:50:40,146 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092721320] [2019-12-27 22:50:40,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:50:40,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 22:50:40,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [256964676] [2019-12-27 22:50:40,148 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:50:40,154 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:50:40,185 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 121 states and 229 transitions. [2019-12-27 22:50:40,185 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:50:40,275 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 8 times. [2019-12-27 22:50:40,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-27 22:50:40,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:50:40,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-27 22:50:40,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-27 22:50:40,276 INFO L87 Difference]: Start difference. First operand 38663 states and 121081 transitions. Second operand 8 states. [2019-12-27 22:50:41,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:50:41,184 INFO L93 Difference]: Finished difference Result 54738 states and 170411 transitions. [2019-12-27 22:50:41,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 22:50:41,184 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2019-12-27 22:50:41,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:50:41,267 INFO L225 Difference]: With dead ends: 54738 [2019-12-27 22:50:41,267 INFO L226 Difference]: Without dead ends: 54738 [2019-12-27 22:50:41,268 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-12-27 22:50:41,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54738 states. [2019-12-27 22:50:42,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54738 to 47929. [2019-12-27 22:50:42,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47929 states. [2019-12-27 22:50:42,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47929 states to 47929 states and 150290 transitions. [2019-12-27 22:50:42,494 INFO L78 Accepts]: Start accepts. Automaton has 47929 states and 150290 transitions. Word has length 30 [2019-12-27 22:50:42,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:50:42,494 INFO L462 AbstractCegarLoop]: Abstraction has 47929 states and 150290 transitions. [2019-12-27 22:50:42,494 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-27 22:50:42,494 INFO L276 IsEmpty]: Start isEmpty. Operand 47929 states and 150290 transitions. [2019-12-27 22:50:42,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-27 22:50:42,515 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:50:42,515 INFO L411 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] [2019-12-27 22:50:42,515 INFO L410 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:50:42,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:50:42,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1737014044, now seen corresponding path program 1 times [2019-12-27 22:50:42,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:50:42,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795249270] [2019-12-27 22:50:42,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:50:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:50:42,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:50:42,611 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795249270] [2019-12-27 22:50:42,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:50:42,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 22:50:42,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1753943680] [2019-12-27 22:50:42,611 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:50:42,616 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:50:42,624 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 44 states and 58 transitions. [2019-12-27 22:50:42,625 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:50:42,625 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:50:42,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 22:50:42,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:50:42,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 22:50:42,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 22:50:42,629 INFO L87 Difference]: Start difference. First operand 47929 states and 150290 transitions. Second operand 5 states. [2019-12-27 22:50:43,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:50:43,408 INFO L93 Difference]: Finished difference Result 65965 states and 204362 transitions. [2019-12-27 22:50:43,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 22:50:43,408 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-12-27 22:50:43,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:50:43,504 INFO L225 Difference]: With dead ends: 65965 [2019-12-27 22:50:43,504 INFO L226 Difference]: Without dead ends: 65958 [2019-12-27 22:50:43,505 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-27 22:50:43,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65958 states. [2019-12-27 22:50:44,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65958 to 54283. [2019-12-27 22:50:44,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54283 states. [2019-12-27 22:50:44,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54283 states to 54283 states and 170303 transitions. [2019-12-27 22:50:44,826 INFO L78 Accepts]: Start accepts. Automaton has 54283 states and 170303 transitions. Word has length 30 [2019-12-27 22:50:44,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:50:44,826 INFO L462 AbstractCegarLoop]: Abstraction has 54283 states and 170303 transitions. [2019-12-27 22:50:44,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 22:50:44,826 INFO L276 IsEmpty]: Start isEmpty. Operand 54283 states and 170303 transitions. [2019-12-27 22:50:44,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-27 22:50:44,848 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:50:44,848 INFO L411 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] [2019-12-27 22:50:44,848 INFO L410 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:50:44,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:50:44,849 INFO L82 PathProgramCache]: Analyzing trace with hash -2041777254, now seen corresponding path program 1 times [2019-12-27 22:50:44,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:50:44,849 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075812703] [2019-12-27 22:50:44,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:50:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:50:44,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:50:44,919 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075812703] [2019-12-27 22:50:44,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:50:44,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 22:50:44,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1146639673] [2019-12-27 22:50:44,920 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:50:44,925 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:50:44,955 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 124 states and 234 transitions. [2019-12-27 22:50:44,955 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:50:44,995 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 11 times. [2019-12-27 22:50:44,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 22:50:44,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:50:44,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 22:50:44,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-27 22:50:44,996 INFO L87 Difference]: Start difference. First operand 54283 states and 170303 transitions. Second operand 7 states. [2019-12-27 22:50:45,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:50:45,167 INFO L93 Difference]: Finished difference Result 27248 states and 80905 transitions. [2019-12-27 22:50:45,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 22:50:45,167 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2019-12-27 22:50:45,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:50:45,215 INFO L225 Difference]: With dead ends: 27248 [2019-12-27 22:50:45,216 INFO L226 Difference]: Without dead ends: 23846 [2019-12-27 22:50:45,216 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2019-12-27 22:50:45,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23846 states. [2019-12-27 22:50:45,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23846 to 22579. [2019-12-27 22:50:45,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22579 states. [2019-12-27 22:50:45,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22579 states to 22579 states and 67130 transitions. [2019-12-27 22:50:45,665 INFO L78 Accepts]: Start accepts. Automaton has 22579 states and 67130 transitions. Word has length 31 [2019-12-27 22:50:45,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:50:45,665 INFO L462 AbstractCegarLoop]: Abstraction has 22579 states and 67130 transitions. [2019-12-27 22:50:45,665 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 22:50:45,665 INFO L276 IsEmpty]: Start isEmpty. Operand 22579 states and 67130 transitions. [2019-12-27 22:50:45,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-27 22:50:45,684 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:50:45,684 INFO L411 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] [2019-12-27 22:50:45,684 INFO L410 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:50:45,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:50:45,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1695782975, now seen corresponding path program 1 times [2019-12-27 22:50:45,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:50:45,685 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547397179] [2019-12-27 22:50:45,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:50:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:50:45,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:50:45,756 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547397179] [2019-12-27 22:50:45,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:50:45,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 22:50:45,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1262515706] [2019-12-27 22:50:45,757 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:50:45,762 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:50:45,780 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 49 states and 63 transitions. [2019-12-27 22:50:45,780 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:50:45,780 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:50:45,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 22:50:45,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:50:45,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 22:50:45,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-27 22:50:45,781 INFO L87 Difference]: Start difference. First operand 22579 states and 67130 transitions. Second operand 7 states. [2019-12-27 22:50:47,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:50:47,047 INFO L93 Difference]: Finished difference Result 31896 states and 91946 transitions. [2019-12-27 22:50:47,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-12-27 22:50:47,047 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-12-27 22:50:47,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:50:47,091 INFO L225 Difference]: With dead ends: 31896 [2019-12-27 22:50:47,092 INFO L226 Difference]: Without dead ends: 31209 [2019-12-27 22:50:47,092 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2019-12-27 22:50:47,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31209 states. [2019-12-27 22:50:47,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31209 to 22046. [2019-12-27 22:50:47,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22046 states. [2019-12-27 22:50:47,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22046 states to 22046 states and 65408 transitions. [2019-12-27 22:50:47,482 INFO L78 Accepts]: Start accepts. Automaton has 22046 states and 65408 transitions. Word has length 33 [2019-12-27 22:50:47,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:50:47,483 INFO L462 AbstractCegarLoop]: Abstraction has 22046 states and 65408 transitions. [2019-12-27 22:50:47,483 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 22:50:47,483 INFO L276 IsEmpty]: Start isEmpty. Operand 22046 states and 65408 transitions. [2019-12-27 22:50:47,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-27 22:50:47,514 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:50:47,515 INFO L411 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] [2019-12-27 22:50:47,515 INFO L410 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:50:47,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:50:47,515 INFO L82 PathProgramCache]: Analyzing trace with hash -569045237, now seen corresponding path program 1 times [2019-12-27 22:50:47,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:50:47,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169981675] [2019-12-27 22:50:47,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:50:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:50:47,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:50:47,601 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169981675] [2019-12-27 22:50:47,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:50:47,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 22:50:47,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [984650439] [2019-12-27 22:50:47,601 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:50:47,612 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:50:47,714 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 223 states and 450 transitions. [2019-12-27 22:50:47,715 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:50:47,865 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 13 times. [2019-12-27 22:50:47,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-27 22:50:47,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:50:47,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-27 22:50:47,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-27 22:50:47,867 INFO L87 Difference]: Start difference. First operand 22046 states and 65408 transitions. Second operand 9 states. [2019-12-27 22:50:49,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:50:49,100 INFO L93 Difference]: Finished difference Result 28229 states and 82359 transitions. [2019-12-27 22:50:49,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 22:50:49,101 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2019-12-27 22:50:49,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:50:49,141 INFO L225 Difference]: With dead ends: 28229 [2019-12-27 22:50:49,141 INFO L226 Difference]: Without dead ends: 28229 [2019-12-27 22:50:49,141 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 5 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-12-27 22:50:49,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28229 states. [2019-12-27 22:50:49,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28229 to 21867. [2019-12-27 22:50:49,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21867 states. [2019-12-27 22:50:49,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21867 states to 21867 states and 64930 transitions. [2019-12-27 22:50:49,525 INFO L78 Accepts]: Start accepts. Automaton has 21867 states and 64930 transitions. Word has length 40 [2019-12-27 22:50:49,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:50:49,525 INFO L462 AbstractCegarLoop]: Abstraction has 21867 states and 64930 transitions. [2019-12-27 22:50:49,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-27 22:50:49,525 INFO L276 IsEmpty]: Start isEmpty. Operand 21867 states and 64930 transitions. [2019-12-27 22:50:49,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-27 22:50:49,553 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:50:49,553 INFO L411 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] [2019-12-27 22:50:49,554 INFO L410 AbstractCegarLoop]: === Iteration 17 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:50:49,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:50:49,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1250676141, now seen corresponding path program 2 times [2019-12-27 22:50:49,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:50:49,555 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705618167] [2019-12-27 22:50:49,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:50:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:50:49,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:50:49,613 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705618167] [2019-12-27 22:50:49,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:50:49,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 22:50:49,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [407037675] [2019-12-27 22:50:49,614 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:50:49,622 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:50:49,817 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 216 states and 448 transitions. [2019-12-27 22:50:49,817 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:50:49,826 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-27 22:50:49,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 22:50:49,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:50:49,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 22:50:49,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 22:50:49,827 INFO L87 Difference]: Start difference. First operand 21867 states and 64930 transitions. Second operand 4 states. [2019-12-27 22:50:50,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:50:50,142 INFO L93 Difference]: Finished difference Result 25781 states and 74726 transitions. [2019-12-27 22:50:50,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 22:50:50,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2019-12-27 22:50:50,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:50:50,179 INFO L225 Difference]: With dead ends: 25781 [2019-12-27 22:50:50,179 INFO L226 Difference]: Without dead ends: 25781 [2019-12-27 22:50:50,180 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 22:50:50,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25781 states. [2019-12-27 22:50:50,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25781 to 18690. [2019-12-27 22:50:50,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18690 states. [2019-12-27 22:50:50,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18690 states to 18690 states and 54520 transitions. [2019-12-27 22:50:50,511 INFO L78 Accepts]: Start accepts. Automaton has 18690 states and 54520 transitions. Word has length 40 [2019-12-27 22:50:50,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:50:50,512 INFO L462 AbstractCegarLoop]: Abstraction has 18690 states and 54520 transitions. [2019-12-27 22:50:50,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 22:50:50,512 INFO L276 IsEmpty]: Start isEmpty. Operand 18690 states and 54520 transitions. [2019-12-27 22:50:50,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-27 22:50:50,529 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:50:50,529 INFO L411 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, 1] [2019-12-27 22:50:50,529 INFO L410 AbstractCegarLoop]: === Iteration 18 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:50:50,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:50:50,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1866373660, now seen corresponding path program 1 times [2019-12-27 22:50:50,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:50:50,530 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314542420] [2019-12-27 22:50:50,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:50:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2019-12-27 22:50:50,592 WARN L209 SmtUtils]: Removed 1 from assertion stack [2019-12-27 22:50:50,592 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 22:50:50,596 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 22:50:50,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 10:50:50 BasicIcfg [2019-12-27 22:50:50,596 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 22:50:50,601 INFO L168 Benchmark]: Toolchain (without parser) took 198231.30 ms. Allocated memory was 145.8 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 102.1 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-12-27 22:50:50,603 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-27 22:50:50,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 851.38 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 101.9 MB in the beginning and 157.3 MB in the end (delta: -55.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-12-27 22:50:50,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.02 ms. Allocated memory is still 203.9 MB. Free memory was 157.3 MB in the beginning and 154.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-27 22:50:50,607 INFO L168 Benchmark]: Boogie Preprocessor took 39.29 ms. Allocated memory is still 203.9 MB. Free memory was 154.7 MB in the beginning and 152.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-12-27 22:50:50,608 INFO L168 Benchmark]: RCFGBuilder took 859.46 ms. Allocated memory is still 203.9 MB. Free memory was 152.0 MB in the beginning and 102.7 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. [2019-12-27 22:50:50,608 INFO L168 Benchmark]: TraceAbstraction took 196404.89 ms. Allocated memory was 203.9 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 102.0 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-12-27 22:50:50,613 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 851.38 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 101.9 MB in the beginning and 157.3 MB in the end (delta: -55.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 70.02 ms. Allocated memory is still 203.9 MB. Free memory was 157.3 MB in the beginning and 154.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.29 ms. Allocated memory is still 203.9 MB. Free memory was 154.7 MB in the beginning and 152.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 859.46 ms. Allocated memory is still 203.9 MB. Free memory was 152.0 MB in the beginning and 102.7 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 196404.89 ms. Allocated memory was 203.9 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 102.0 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.1s, 174 ProgramPointsBefore, 95 ProgramPointsAfterwards, 211 TransitionsBefore, 105 TransitionsAfterwards, 19004 CoEnabledTransitionPairs, 7 FixpointIterations, 31 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 31 ConcurrentYvCompositions, 31 ChoiceCompositions, 6393 VarBasedMoverChecksPositive, 194 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 81281 CheckedPairsTotal, 111 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while BasicCegarLoop was analyzing trace of length 42 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 0ms.. - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while BasicCegarLoop was analyzing trace of length 42 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 0ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 165 locations, 2 error locations. Result: TIMEOUT, OverallTime: 196.1s, OverallIterations: 18, TraceHistogramMax: 1, AutomataDifference: 64.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3400 SDtfs, 4408 SDslu, 6775 SDs, 0 SdLazy, 5222 SolverSat, 222 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 54 SyntacticMatches, 11 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206375occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 105.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 234206 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 391 NumberOfCodeBlocks, 391 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 374 ConstructedInterpolants, 0 QuantifiedInterpolants, 30810 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown