/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-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix057_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 03:28:35,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 03:28:35,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 03:28:35,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 03:28:35,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 03:28:35,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 03:28:35,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 03:28:35,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 03:28:35,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 03:28:35,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 03:28:35,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 03:28:35,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 03:28:35,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 03:28:35,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 03:28:35,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 03:28:35,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 03:28:35,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 03:28:35,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 03:28:35,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 03:28:35,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 03:28:35,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 03:28:35,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 03:28:35,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 03:28:35,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 03:28:35,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-28 03:28:35,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 03:28:35,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 03:28:35,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 03:28:35,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 03:28:35,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 03:28:35,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 03:28:35,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 03:28:35,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 03:28:35,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 03:28:35,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 03:28:35,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 03:28:35,081 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-NoLbe-MCR.epf [2019-12-28 03:28:35,112 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 03:28:35,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 03:28:35,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 03:28:35,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 03:28:35,114 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 03:28:35,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 03:28:35,115 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 03:28:35,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 03:28:35,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 03:28:35,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 03:28:35,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 03:28:35,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 03:28:35,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 03:28:35,117 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 03:28:35,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 03:28:35,117 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 03:28:35,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 03:28:35,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 03:28:35,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 03:28:35,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 03:28:35,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 03:28:35,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 03:28:35,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 03:28:35,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 03:28:35,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 03:28:35,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 03:28:35,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 03:28:35,120 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 03:28:35,121 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 03:28:35,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 03:28:35,122 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 03:28:35,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 03:28:35,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 03:28:35,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 03:28:35,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 03:28:35,408 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 03:28:35,409 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 03:28:35,410 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix057_rmo.opt.i [2019-12-28 03:28:35,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e1629d8c/de9957a039ed4ea7accce887cf517d35/FLAG17e44b888 [2019-12-28 03:28:36,082 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 03:28:36,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix057_rmo.opt.i [2019-12-28 03:28:36,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e1629d8c/de9957a039ed4ea7accce887cf517d35/FLAG17e44b888 [2019-12-28 03:28:36,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e1629d8c/de9957a039ed4ea7accce887cf517d35 [2019-12-28 03:28:36,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 03:28:36,363 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 03:28:36,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 03:28:36,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 03:28:36,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 03:28:36,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:28:36" (1/1) ... [2019-12-28 03:28:36,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce4072b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:28:36, skipping insertion in model container [2019-12-28 03:28:36,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:28:36" (1/1) ... [2019-12-28 03:28:36,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 03:28:36,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 03:28:37,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 03:28:37,102 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 03:28:37,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 03:28:37,267 INFO L208 MainTranslator]: Completed translation [2019-12-28 03:28:37,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:28:37 WrapperNode [2019-12-28 03:28:37,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 03:28:37,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 03:28:37,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 03:28:37,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 03:28:37,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:28:37" (1/1) ... [2019-12-28 03:28:37,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:28:37" (1/1) ... [2019-12-28 03:28:37,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 03:28:37,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 03:28:37,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 03:28:37,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 03:28:37,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:28:37" (1/1) ... [2019-12-28 03:28:37,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:28:37" (1/1) ... [2019-12-28 03:28:37,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:28:37" (1/1) ... [2019-12-28 03:28:37,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:28:37" (1/1) ... [2019-12-28 03:28:37,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:28:37" (1/1) ... [2019-12-28 03:28:37,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:28:37" (1/1) ... [2019-12-28 03:28:37,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:28:37" (1/1) ... [2019-12-28 03:28:37,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 03:28:37,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 03:28:37,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 03:28:37,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 03:28:37,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:28:37" (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 [2019-12-28 03:28:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 03:28:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 03:28:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 03:28:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 03:28:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 03:28:37,480 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 03:28:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 03:28:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 03:28:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 03:28:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 03:28:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-28 03:28:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-28 03:28:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 03:28:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 03:28:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 03:28:37,484 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 03:28:38,312 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 03:28:38,312 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-28 03:28:38,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:28:38 BoogieIcfgContainer [2019-12-28 03:28:38,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 03:28:38,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 03:28:38,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 03:28:38,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 03:28:38,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:28:36" (1/3) ... [2019-12-28 03:28:38,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b51a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:28:38, skipping insertion in model container [2019-12-28 03:28:38,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:28:37" (2/3) ... [2019-12-28 03:28:38,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b51a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:28:38, skipping insertion in model container [2019-12-28 03:28:38,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:28:38" (3/3) ... [2019-12-28 03:28:38,323 INFO L109 eAbstractionObserver]: Analyzing ICFG mix057_rmo.opt.i [2019-12-28 03:28:38,333 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 03:28:38,334 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 03:28:38,341 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-28 03:28:38,342 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 03:28:38,379 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,380 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,380 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,380 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,381 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,381 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,382 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,382 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,382 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,382 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,382 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,383 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,383 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,383 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,384 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,384 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,384 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,385 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,385 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,385 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,385 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,386 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,386 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,386 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,386 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,387 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,387 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,387 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,387 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,387 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,388 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,388 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,388 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,388 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,389 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,389 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,389 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,407 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,407 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,407 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,408 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,408 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,409 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,409 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,409 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,409 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,409 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,410 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,410 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,410 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,411 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,411 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,411 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,411 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,411 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,412 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,412 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,412 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,412 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,412 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,413 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,413 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,413 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,413 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,413 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,414 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,414 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,414 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,414 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,414 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,415 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,415 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,415 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,415 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,415 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,416 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,419 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,419 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,419 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,420 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,422 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,423 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,423 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,423 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,423 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,424 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,424 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,424 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,424 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,424 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,428 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,428 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,428 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,428 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,428 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,428 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,429 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,429 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,429 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,429 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,429 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,430 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,433 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,433 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,433 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,433 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:28:38,446 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-28 03:28:38,463 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 03:28:38,463 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 03:28:38,463 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 03:28:38,463 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 03:28:38,463 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 03:28:38,463 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 03:28:38,463 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 03:28:38,464 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 03:28:38,479 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 178 places, 206 transitions [2019-12-28 03:31:59,300 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 380020 states. [2019-12-28 03:31:59,303 INFO L276 IsEmpty]: Start isEmpty. Operand 380020 states. [2019-12-28 03:31:59,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-28 03:31:59,322 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:31:59,323 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:31:59,324 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:31:59,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:31:59,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1984449660, now seen corresponding path program 1 times [2019-12-28 03:31:59,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:31:59,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135785465] [2019-12-28 03:31:59,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:31:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:31:59,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:31:59,704 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135785465] [2019-12-28 03:31:59,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:31:59,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 03:31:59,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1691056242] [2019-12-28 03:31:59,707 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:31:59,716 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:31:59,741 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 52 states and 51 transitions. [2019-12-28 03:31:59,742 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:31:59,746 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:31:59,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 03:31:59,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:31:59,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 03:31:59,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 03:31:59,764 INFO L87 Difference]: Start difference. First operand 380020 states. Second operand 4 states. [2019-12-28 03:32:13,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:32:13,865 INFO L93 Difference]: Finished difference Result 396276 states and 2138288 transitions. [2019-12-28 03:32:13,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-28 03:32:13,867 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2019-12-28 03:32:13,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:32:17,593 INFO L225 Difference]: With dead ends: 396276 [2019-12-28 03:32:17,593 INFO L226 Difference]: Without dead ends: 344052 [2019-12-28 03:32:17,599 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 03:32:22,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344052 states. Received shutdown request...