/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.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix045_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 06:35:47,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 06:35:47,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 06:35:47,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 06:35:47,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 06:35:47,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 06:35:47,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 06:35:47,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 06:35:47,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 06:35:47,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 06:35:47,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 06:35:47,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 06:35:47,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 06:35:47,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 06:35:47,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 06:35:47,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 06:35:47,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 06:35:47,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 06:35:47,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 06:35:47,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 06:35:47,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 06:35:47,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 06:35:47,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 06:35:47,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 06:35:47,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 06:35:47,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 06:35:47,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 06:35:47,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 06:35:47,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 06:35:47,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 06:35:47,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 06:35:48,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 06:35:48,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 06:35:48,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 06:35:48,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 06:35:48,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 06:35:48,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 06:35:48,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 06:35:48,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 06:35:48,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 06:35:48,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 06:35:48,015 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.epf [2019-12-27 06:35:48,029 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 06:35:48,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 06:35:48,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 06:35:48,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 06:35:48,032 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 06:35:48,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 06:35:48,032 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 06:35:48,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 06:35:48,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 06:35:48,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 06:35:48,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 06:35:48,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 06:35:48,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 06:35:48,033 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 06:35:48,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 06:35:48,034 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 06:35:48,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 06:35:48,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 06:35:48,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 06:35:48,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 06:35:48,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 06:35:48,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 06:35:48,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 06:35:48,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 06:35:48,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 06:35:48,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 06:35:48,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 06:35:48,036 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 06:35:48,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 06:35:48,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 06:35:48,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 06:35:48,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 06:35:48,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 06:35:48,358 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 06:35:48,359 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 06:35:48,360 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix045_rmo.opt.i [2019-12-27 06:35:48,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/685a436b2/c70b3297ed9a4543a94c7cfd47003c2f/FLAGb843d5a85 [2019-12-27 06:35:48,980 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 06:35:48,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix045_rmo.opt.i [2019-12-27 06:35:49,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/685a436b2/c70b3297ed9a4543a94c7cfd47003c2f/FLAGb843d5a85 [2019-12-27 06:35:49,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/685a436b2/c70b3297ed9a4543a94c7cfd47003c2f [2019-12-27 06:35:49,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 06:35:49,305 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 06:35:49,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 06:35:49,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 06:35:49,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 06:35:49,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:35:49" (1/1) ... [2019-12-27 06:35:49,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd32435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:35:49, skipping insertion in model container [2019-12-27 06:35:49,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:35:49" (1/1) ... [2019-12-27 06:35:49,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 06:35:49,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 06:35:49,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 06:35:49,886 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 06:35:49,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 06:35:50,046 INFO L208 MainTranslator]: Completed translation [2019-12-27 06:35:50,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:35:50 WrapperNode [2019-12-27 06:35:50,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 06:35:50,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 06:35:50,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 06:35:50,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 06:35:50,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:35:50" (1/1) ... [2019-12-27 06:35:50,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:35:50" (1/1) ... [2019-12-27 06:35:50,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 06:35:50,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 06:35:50,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 06:35:50,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 06:35:50,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:35:50" (1/1) ... [2019-12-27 06:35:50,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:35:50" (1/1) ... [2019-12-27 06:35:50,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:35:50" (1/1) ... [2019-12-27 06:35:50,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:35:50" (1/1) ... [2019-12-27 06:35:50,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:35:50" (1/1) ... [2019-12-27 06:35:50,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:35:50" (1/1) ... [2019-12-27 06:35:50,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:35:50" (1/1) ... [2019-12-27 06:35:50,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 06:35:50,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 06:35:50,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 06:35:50,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 06:35:50,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:35:50" (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 06:35:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 06:35:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 06:35:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 06:35:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 06:35:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 06:35:50,250 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 06:35:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 06:35:50,250 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 06:35:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 06:35:50,250 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 06:35:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 06:35:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 06:35:50,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 06:35:50,253 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 06:35:51,033 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 06:35:51,033 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-27 06:35:51,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:35:51 BoogieIcfgContainer [2019-12-27 06:35:51,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 06:35:51,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 06:35:51,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 06:35:51,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 06:35:51,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 06:35:49" (1/3) ... [2019-12-27 06:35:51,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e39580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:35:51, skipping insertion in model container [2019-12-27 06:35:51,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:35:50" (2/3) ... [2019-12-27 06:35:51,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e39580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:35:51, skipping insertion in model container [2019-12-27 06:35:51,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:35:51" (3/3) ... [2019-12-27 06:35:51,043 INFO L109 eAbstractionObserver]: Analyzing ICFG mix045_rmo.opt.i [2019-12-27 06:35:51,051 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 06:35:51,052 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 06:35:51,059 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 06:35:51,060 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 06:35:51,096 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,096 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,096 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,097 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,097 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,097 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,098 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,098 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,099 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,099 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,099 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,100 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,100 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,100 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,100 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,101 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,101 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,101 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,101 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,102 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,102 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,102 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,102 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,103 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,103 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,103 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,104 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,104 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,104 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,104 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,105 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,105 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,105 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,105 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,106 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,106 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,107 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,107 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,107 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,107 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,108 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,108 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,108 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,109 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,109 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,109 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,110 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,110 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,110 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,110 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,111 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,111 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,111 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,112 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,112 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,112 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,112 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,113 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,113 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,113 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,113 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,114 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,114 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,114 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,114 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,115 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,115 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,115 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,115 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,116 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,120 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,120 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,121 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,121 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,121 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,121 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,122 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,122 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,122 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,122 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,122 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,123 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,126 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,126 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,126 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,127 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,129 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,129 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,129 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,130 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,130 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,130 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,130 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,131 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,131 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,131 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 06:35:51,147 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 06:35:51,187 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 06:35:51,188 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 06:35:51,188 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 06:35:51,188 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 06:35:51,188 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 06:35:51,188 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 06:35:51,188 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 06:35:51,189 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 06:35:51,207 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 195 transitions [2019-12-27 06:35:51,210 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 164 places, 195 transitions [2019-12-27 06:35:51,306 INFO L132 PetriNetUnfolder]: 41/192 cut-off events. [2019-12-27 06:35:51,306 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 06:35:51,322 INFO L76 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 192 events. 41/192 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 272 event pairs. 0/149 useless extension candidates. Maximal degree in co-relation 161. Up to 2 conditions per place. [2019-12-27 06:35:51,342 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 164 places, 195 transitions [2019-12-27 06:35:51,389 INFO L132 PetriNetUnfolder]: 41/192 cut-off events. [2019-12-27 06:35:51,389 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 06:35:51,397 INFO L76 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 192 events. 41/192 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 272 event pairs. 0/149 useless extension candidates. Maximal degree in co-relation 161. Up to 2 conditions per place. [2019-12-27 06:35:51,414 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 11490 [2019-12-27 06:35:51,415 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 06:35:54,988 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2019-12-27 06:35:55,135 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-12-27 06:35:55,152 INFO L206 etLargeBlockEncoding]: Checked pairs total: 48939 [2019-12-27 06:35:55,152 INFO L214 etLargeBlockEncoding]: Total number of compositions: 111 [2019-12-27 06:35:55,155 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 84 places, 93 transitions [2019-12-27 06:35:56,244 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 17702 states. [2019-12-27 06:35:56,246 INFO L276 IsEmpty]: Start isEmpty. Operand 17702 states. [2019-12-27 06:35:56,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 06:35:56,253 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 06:35:56,253 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 06:35:56,254 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 06:35:56,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 06:35:56,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1021258717, now seen corresponding path program 1 times [2019-12-27 06:35:56,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 06:35:56,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506900320] [2019-12-27 06:35:56,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 06:35:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 06:35:56,500 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 06:35:56,501 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506900320] [2019-12-27 06:35:56,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 06:35:56,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 06:35:56,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515173092] [2019-12-27 06:35:56,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 06:35:56,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 06:35:56,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 06:35:56,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 06:35:56,525 INFO L87 Difference]: Start difference. First operand 17702 states. Second operand 3 states. [2019-12-27 06:35:56,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 06:35:56,959 INFO L93 Difference]: Finished difference Result 17518 states and 65786 transitions. [2019-12-27 06:35:56,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 06:35:56,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-27 06:35:56,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 06:35:57,193 INFO L225 Difference]: With dead ends: 17518 [2019-12-27 06:35:57,193 INFO L226 Difference]: Without dead ends: 17154 [2019-12-27 06:35:57,195 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 06:35:57,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17154 states. [2019-12-27 06:35:58,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17154 to 17154. [2019-12-27 06:35:58,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17154 states. [2019-12-27 06:35:58,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17154 states to 17154 states and 64484 transitions. [2019-12-27 06:35:58,646 INFO L78 Accepts]: Start accepts. Automaton has 17154 states and 64484 transitions. Word has length 7 [2019-12-27 06:35:58,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 06:35:58,648 INFO L462 AbstractCegarLoop]: Abstraction has 17154 states and 64484 transitions. [2019-12-27 06:35:58,648 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 06:35:58,648 INFO L276 IsEmpty]: Start isEmpty. Operand 17154 states and 64484 transitions. [2019-12-27 06:35:58,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 06:35:58,659 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 06:35:58,659 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 06:35:58,659 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 06:35:58,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 06:35:58,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1042029575, now seen corresponding path program 1 times [2019-12-27 06:35:58,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 06:35:58,661 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248193818] [2019-12-27 06:35:58,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 06:35:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 06:35:58,813 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 06:35:58,814 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248193818] [2019-12-27 06:35:58,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 06:35:58,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 06:35:58,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333332370] [2019-12-27 06:35:58,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 06:35:58,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 06:35:58,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 06:35:58,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 06:35:58,817 INFO L87 Difference]: Start difference. First operand 17154 states and 64484 transitions. Second operand 4 states. [2019-12-27 06:35:59,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 06:35:59,435 INFO L93 Difference]: Finished difference Result 26570 states and 95594 transitions. [2019-12-27 06:35:59,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 06:35:59,436 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-27 06:35:59,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 06:35:59,548 INFO L225 Difference]: With dead ends: 26570 [2019-12-27 06:35:59,548 INFO L226 Difference]: Without dead ends: 26556 [2019-12-27 06:35:59,549 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 06:35:59,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26556 states. [2019-12-27 06:36:00,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26556 to 24300. [2019-12-27 06:36:00,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24300 states. [2019-12-27 06:36:00,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24300 states to 24300 states and 88453 transitions. [2019-12-27 06:36:00,560 INFO L78 Accepts]: Start accepts. Automaton has 24300 states and 88453 transitions. Word has length 13 [2019-12-27 06:36:00,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 06:36:00,561 INFO L462 AbstractCegarLoop]: Abstraction has 24300 states and 88453 transitions. [2019-12-27 06:36:00,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 06:36:00,561 INFO L276 IsEmpty]: Start isEmpty. Operand 24300 states and 88453 transitions. [2019-12-27 06:36:00,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 06:36:00,563 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 06:36:00,563 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 06:36:00,563 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 06:36:00,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 06:36:00,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1362987190, now seen corresponding path program 1 times [2019-12-27 06:36:00,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 06:36:00,564 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788490328] [2019-12-27 06:36:00,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 06:36:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 06:36:00,626 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 06:36:00,626 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788490328] [2019-12-27 06:36:00,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 06:36:00,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 06:36:00,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046783604] [2019-12-27 06:36:00,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 06:36:00,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 06:36:00,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 06:36:00,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 06:36:00,628 INFO L87 Difference]: Start difference. First operand 24300 states and 88453 transitions. Second operand 3 states. [2019-12-27 06:36:01,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 06:36:01,519 INFO L93 Difference]: Finished difference Result 13809 states and 43497 transitions. [2019-12-27 06:36:01,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 06:36:01,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-27 06:36:01,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 06:36:01,572 INFO L225 Difference]: With dead ends: 13809 [2019-12-27 06:36:01,573 INFO L226 Difference]: Without dead ends: 13809 [2019-12-27 06:36:01,573 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 06:36:01,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13809 states. [2019-12-27 06:36:01,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13809 to 13809. [2019-12-27 06:36:01,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13809 states. [2019-12-27 06:36:01,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13809 states to 13809 states and 43497 transitions. [2019-12-27 06:36:01,926 INFO L78 Accepts]: Start accepts. Automaton has 13809 states and 43497 transitions. Word has length 13 [2019-12-27 06:36:01,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 06:36:01,929 INFO L462 AbstractCegarLoop]: Abstraction has 13809 states and 43497 transitions. [2019-12-27 06:36:01,929 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 06:36:01,933 INFO L276 IsEmpty]: Start isEmpty. Operand 13809 states and 43497 transitions. [2019-12-27 06:36:01,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 06:36:01,943 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 06:36:01,943 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 06:36:01,943 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 06:36:01,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 06:36:01,944 INFO L82 PathProgramCache]: Analyzing trace with hash -824782782, now seen corresponding path program 1 times [2019-12-27 06:36:01,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 06:36:01,944 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810048257] [2019-12-27 06:36:01,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 06:36:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 06:36:02,043 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 06:36:02,044 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810048257] [2019-12-27 06:36:02,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 06:36:02,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 06:36:02,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730503572] [2019-12-27 06:36:02,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 06:36:02,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 06:36:02,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 06:36:02,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 06:36:02,047 INFO L87 Difference]: Start difference. First operand 13809 states and 43497 transitions. Second operand 4 states. [2019-12-27 06:36:02,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 06:36:02,072 INFO L93 Difference]: Finished difference Result 2006 states and 4674 transitions. [2019-12-27 06:36:02,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 06:36:02,072 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-27 06:36:02,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 06:36:02,076 INFO L225 Difference]: With dead ends: 2006 [2019-12-27 06:36:02,076 INFO L226 Difference]: Without dead ends: 2006 [2019-12-27 06:36:02,076 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 06:36:02,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2006 states. [2019-12-27 06:36:02,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2006 to 2006. [2019-12-27 06:36:02,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2006 states. [2019-12-27 06:36:02,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 2006 states and 4674 transitions. [2019-12-27 06:36:02,110 INFO L78 Accepts]: Start accepts. Automaton has 2006 states and 4674 transitions. Word has length 14 [2019-12-27 06:36:02,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 06:36:02,111 INFO L462 AbstractCegarLoop]: Abstraction has 2006 states and 4674 transitions. [2019-12-27 06:36:02,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 06:36:02,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 4674 transitions. [2019-12-27 06:36:02,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-27 06:36:02,113 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 06:36:02,113 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] [2019-12-27 06:36:02,114 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 06:36:02,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 06:36:02,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1888947731, now seen corresponding path program 1 times [2019-12-27 06:36:02,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 06:36:02,115 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908322659] [2019-12-27 06:36:02,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 06:36:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 06:36:02,197 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 06:36:02,197 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908322659] [2019-12-27 06:36:02,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 06:36:02,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 06:36:02,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700761199] [2019-12-27 06:36:02,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 06:36:02,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 06:36:02,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 06:36:02,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-27 06:36:02,199 INFO L87 Difference]: Start difference. First operand 2006 states and 4674 transitions. Second operand 5 states. [2019-12-27 06:36:02,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 06:36:02,228 INFO L93 Difference]: Finished difference Result 653 states and 1533 transitions. [2019-12-27 06:36:02,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 06:36:02,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-27 06:36:02,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 06:36:02,230 INFO L225 Difference]: With dead ends: 653 [2019-12-27 06:36:02,230 INFO L226 Difference]: Without dead ends: 653 [2019-12-27 06:36:02,230 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-27 06:36:02,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2019-12-27 06:36:02,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 597. [2019-12-27 06:36:02,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2019-12-27 06:36:02,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 1401 transitions. [2019-12-27 06:36:02,241 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 1401 transitions. Word has length 26 [2019-12-27 06:36:02,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 06:36:02,242 INFO L462 AbstractCegarLoop]: Abstraction has 597 states and 1401 transitions. [2019-12-27 06:36:02,242 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 06:36:02,242 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1401 transitions. [2019-12-27 06:36:02,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-27 06:36:02,244 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 06:36:02,244 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, 1, 1, 1, 1] [2019-12-27 06:36:02,245 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 06:36:02,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 06:36:02,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1558229958, now seen corresponding path program 1 times [2019-12-27 06:36:02,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 06:36:02,246 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419753609] [2019-12-27 06:36:02,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 06:36:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 06:36:02,371 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 06:36:02,371 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419753609] [2019-12-27 06:36:02,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 06:36:02,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 06:36:02,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826415276] [2019-12-27 06:36:02,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 06:36:02,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 06:36:02,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 06:36:02,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 06:36:02,375 INFO L87 Difference]: Start difference. First operand 597 states and 1401 transitions. Second operand 3 states. [2019-12-27 06:36:02,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 06:36:02,428 INFO L93 Difference]: Finished difference Result 609 states and 1418 transitions. [2019-12-27 06:36:02,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 06:36:02,429 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-12-27 06:36:02,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 06:36:02,431 INFO L225 Difference]: With dead ends: 609 [2019-12-27 06:36:02,431 INFO L226 Difference]: Without dead ends: 609 [2019-12-27 06:36:02,431 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 06:36:02,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2019-12-27 06:36:02,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 605. [2019-12-27 06:36:02,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2019-12-27 06:36:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 1414 transitions. [2019-12-27 06:36:02,444 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 1414 transitions. Word has length 55 [2019-12-27 06:36:02,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 06:36:02,445 INFO L462 AbstractCegarLoop]: Abstraction has 605 states and 1414 transitions. [2019-12-27 06:36:02,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 06:36:02,445 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1414 transitions. [2019-12-27 06:36:02,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-27 06:36:02,447 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 06:36:02,447 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, 1, 1, 1, 1] [2019-12-27 06:36:02,448 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 06:36:02,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 06:36:02,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1993278178, now seen corresponding path program 1 times [2019-12-27 06:36:02,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 06:36:02,449 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640858233] [2019-12-27 06:36:02,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 06:36:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 06:36:02,560 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 06:36:02,561 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640858233] [2019-12-27 06:36:02,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 06:36:02,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 06:36:02,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857382214] [2019-12-27 06:36:02,562 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 06:36:02,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 06:36:02,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 06:36:02,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 06:36:02,563 INFO L87 Difference]: Start difference. First operand 605 states and 1414 transitions. Second operand 3 states. [2019-12-27 06:36:02,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 06:36:02,613 INFO L93 Difference]: Finished difference Result 609 states and 1411 transitions. [2019-12-27 06:36:02,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 06:36:02,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-12-27 06:36:02,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 06:36:02,615 INFO L225 Difference]: With dead ends: 609 [2019-12-27 06:36:02,615 INFO L226 Difference]: Without dead ends: 609 [2019-12-27 06:36:02,616 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 06:36:02,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2019-12-27 06:36:02,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 605. [2019-12-27 06:36:02,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2019-12-27 06:36:02,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 1407 transitions. [2019-12-27 06:36:02,627 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 1407 transitions. Word has length 55 [2019-12-27 06:36:02,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 06:36:02,627 INFO L462 AbstractCegarLoop]: Abstraction has 605 states and 1407 transitions. [2019-12-27 06:36:02,628 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 06:36:02,628 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1407 transitions. [2019-12-27 06:36:02,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-27 06:36:02,630 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 06:36:02,630 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, 1, 1, 1, 1] [2019-12-27 06:36:02,630 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 06:36:02,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 06:36:02,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1988838358, now seen corresponding path program 1 times [2019-12-27 06:36:02,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 06:36:02,631 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894890001] [2019-12-27 06:36:02,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 06:36:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 06:36:02,729 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 06:36:02,729 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894890001] [2019-12-27 06:36:02,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 06:36:02,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 06:36:02,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947292126] [2019-12-27 06:36:02,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 06:36:02,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 06:36:02,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 06:36:02,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 06:36:02,732 INFO L87 Difference]: Start difference. First operand 605 states and 1407 transitions. Second operand 5 states. [2019-12-27 06:36:03,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 06:36:03,002 INFO L93 Difference]: Finished difference Result 894 states and 2079 transitions. [2019-12-27 06:36:03,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 06:36:03,003 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2019-12-27 06:36:03,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 06:36:03,004 INFO L225 Difference]: With dead ends: 894 [2019-12-27 06:36:03,005 INFO L226 Difference]: Without dead ends: 894 [2019-12-27 06:36:03,005 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 06:36:03,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2019-12-27 06:36:03,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 719. [2019-12-27 06:36:03,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2019-12-27 06:36:03,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 1688 transitions. [2019-12-27 06:36:03,021 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 1688 transitions. Word has length 55 [2019-12-27 06:36:03,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 06:36:03,021 INFO L462 AbstractCegarLoop]: Abstraction has 719 states and 1688 transitions. [2019-12-27 06:36:03,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 06:36:03,021 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1688 transitions. [2019-12-27 06:36:03,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-27 06:36:03,023 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 06:36:03,023 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, 1, 1, 1, 1] [2019-12-27 06:36:03,024 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 06:36:03,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 06:36:03,024 INFO L82 PathProgramCache]: Analyzing trace with hash -2112589232, now seen corresponding path program 2 times [2019-12-27 06:36:03,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 06:36:03,025 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848959136] [2019-12-27 06:36:03,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 06:36:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 06:36:03,130 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 06:36:03,131 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848959136] [2019-12-27 06:36:03,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 06:36:03,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 06:36:03,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892603372] [2019-12-27 06:36:03,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 06:36:03,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 06:36:03,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 06:36:03,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 06:36:03,133 INFO L87 Difference]: Start difference. First operand 719 states and 1688 transitions. Second operand 3 states. [2019-12-27 06:36:03,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 06:36:03,181 INFO L93 Difference]: Finished difference Result 719 states and 1687 transitions. [2019-12-27 06:36:03,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 06:36:03,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-12-27 06:36:03,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 06:36:03,183 INFO L225 Difference]: With dead ends: 719 [2019-12-27 06:36:03,183 INFO L226 Difference]: Without dead ends: 719 [2019-12-27 06:36:03,184 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 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 06:36:03,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2019-12-27 06:36:03,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 536. [2019-12-27 06:36:03,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2019-12-27 06:36:03,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1264 transitions. [2019-12-27 06:36:03,194 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1264 transitions. Word has length 55 [2019-12-27 06:36:03,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 06:36:03,194 INFO L462 AbstractCegarLoop]: Abstraction has 536 states and 1264 transitions. [2019-12-27 06:36:03,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 06:36:03,194 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1264 transitions. [2019-12-27 06:36:03,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-27 06:36:03,196 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 06:36:03,196 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, 1, 1, 1, 1, 1] [2019-12-27 06:36:03,196 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 06:36:03,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 06:36:03,197 INFO L82 PathProgramCache]: Analyzing trace with hash 966806383, now seen corresponding path program 1 times [2019-12-27 06:36:03,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 06:36:03,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846714415] [2019-12-27 06:36:03,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 06:36:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 06:36:03,294 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 06:36:03,295 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846714415] [2019-12-27 06:36:03,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 06:36:03,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 06:36:03,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473134540] [2019-12-27 06:36:03,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 06:36:03,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 06:36:03,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 06:36:03,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 06:36:03,297 INFO L87 Difference]: Start difference. First operand 536 states and 1264 transitions. Second operand 5 states. [2019-12-27 06:36:03,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 06:36:03,345 INFO L93 Difference]: Finished difference Result 800 states and 1752 transitions. [2019-12-27 06:36:03,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 06:36:03,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-12-27 06:36:03,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 06:36:03,347 INFO L225 Difference]: With dead ends: 800 [2019-12-27 06:36:03,347 INFO L226 Difference]: Without dead ends: 319 [2019-12-27 06:36:03,347 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-27 06:36:03,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-12-27 06:36:03,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2019-12-27 06:36:03,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2019-12-27 06:36:03,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 591 transitions. [2019-12-27 06:36:03,353 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 591 transitions. Word has length 56 [2019-12-27 06:36:03,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 06:36:03,353 INFO L462 AbstractCegarLoop]: Abstraction has 319 states and 591 transitions. [2019-12-27 06:36:03,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 06:36:03,353 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 591 transitions. [2019-12-27 06:36:03,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-27 06:36:03,354 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 06:36:03,354 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, 1, 1, 1, 1, 1] [2019-12-27 06:36:03,354 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 06:36:03,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 06:36:03,355 INFO L82 PathProgramCache]: Analyzing trace with hash 256747969, now seen corresponding path program 2 times [2019-12-27 06:36:03,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 06:36:03,355 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40772665] [2019-12-27 06:36:03,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 06:36:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 06:36:03,419 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 06:36:03,419 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40772665] [2019-12-27 06:36:03,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 06:36:03,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 06:36:03,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128429777] [2019-12-27 06:36:03,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 06:36:03,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 06:36:03,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 06:36:03,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 06:36:03,421 INFO L87 Difference]: Start difference. First operand 319 states and 591 transitions. Second operand 3 states. [2019-12-27 06:36:03,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 06:36:03,435 INFO L93 Difference]: Finished difference Result 307 states and 552 transitions. [2019-12-27 06:36:03,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 06:36:03,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-12-27 06:36:03,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 06:36:03,436 INFO L225 Difference]: With dead ends: 307 [2019-12-27 06:36:03,436 INFO L226 Difference]: Without dead ends: 307 [2019-12-27 06:36:03,437 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 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 06:36:03,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2019-12-27 06:36:03,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 280. [2019-12-27 06:36:03,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-12-27 06:36:03,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 501 transitions. [2019-12-27 06:36:03,442 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 501 transitions. Word has length 56 [2019-12-27 06:36:03,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 06:36:03,442 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 501 transitions. [2019-12-27 06:36:03,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 06:36:03,442 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 501 transitions. [2019-12-27 06:36:03,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-27 06:36:03,443 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 06:36:03,443 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, 1, 1, 1, 1, 1, 1] [2019-12-27 06:36:03,443 INFO L410 AbstractCegarLoop]: === Iteration 12 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 06:36:03,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 06:36:03,444 INFO L82 PathProgramCache]: Analyzing trace with hash 776087573, now seen corresponding path program 1 times [2019-12-27 06:36:03,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 06:36:03,444 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363305362] [2019-12-27 06:36:03,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 06:36:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 06:36:03,905 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 06:36:03,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363305362] [2019-12-27 06:36:03,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 06:36:03,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-12-27 06:36:03,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775604257] [2019-12-27 06:36:03,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-12-27 06:36:03,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 06:36:03,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-12-27 06:36:03,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2019-12-27 06:36:03,908 INFO L87 Difference]: Start difference. First operand 280 states and 501 transitions. Second operand 17 states. [2019-12-27 06:36:05,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 06:36:05,202 INFO L93 Difference]: Finished difference Result 556 states and 984 transitions. [2019-12-27 06:36:05,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-12-27 06:36:05,203 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 57 [2019-12-27 06:36:05,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 06:36:05,204 INFO L225 Difference]: With dead ends: 556 [2019-12-27 06:36:05,204 INFO L226 Difference]: Without dead ends: 522 [2019-12-27 06:36:05,206 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=303, Invalid=1337, Unknown=0, NotChecked=0, Total=1640 [2019-12-27 06:36:05,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2019-12-27 06:36:05,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 384. [2019-12-27 06:36:05,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2019-12-27 06:36:05,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 682 transitions. [2019-12-27 06:36:05,214 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 682 transitions. Word has length 57 [2019-12-27 06:36:05,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 06:36:05,214 INFO L462 AbstractCegarLoop]: Abstraction has 384 states and 682 transitions. [2019-12-27 06:36:05,214 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-12-27 06:36:05,214 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 682 transitions. [2019-12-27 06:36:05,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-27 06:36:05,216 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 06:36:05,216 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, 1, 1, 1, 1, 1, 1] [2019-12-27 06:36:05,216 INFO L410 AbstractCegarLoop]: === Iteration 13 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 06:36:05,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 06:36:05,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1131455451, now seen corresponding path program 2 times [2019-12-27 06:36:05,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 06:36:05,217 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104709785] [2019-12-27 06:36:05,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 06:36:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 06:36:05,510 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 06:36:05,511 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104709785] [2019-12-27 06:36:05,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 06:36:05,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-12-27 06:36:05,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008331460] [2019-12-27 06:36:05,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-27 06:36:05,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 06:36:05,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-27 06:36:05,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2019-12-27 06:36:05,513 INFO L87 Difference]: Start difference. First operand 384 states and 682 transitions. Second operand 16 states. [2019-12-27 06:36:06,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 06:36:06,331 INFO L93 Difference]: Finished difference Result 560 states and 953 transitions. [2019-12-27 06:36:06,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-27 06:36:06,332 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 57 [2019-12-27 06:36:06,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 06:36:06,333 INFO L225 Difference]: With dead ends: 560 [2019-12-27 06:36:06,334 INFO L226 Difference]: Without dead ends: 526 [2019-12-27 06:36:06,334 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=132, Invalid=624, Unknown=0, NotChecked=0, Total=756 [2019-12-27 06:36:06,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2019-12-27 06:36:06,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 394. [2019-12-27 06:36:06,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2019-12-27 06:36:06,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 701 transitions. [2019-12-27 06:36:06,342 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 701 transitions. Word has length 57 [2019-12-27 06:36:06,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 06:36:06,342 INFO L462 AbstractCegarLoop]: Abstraction has 394 states and 701 transitions. [2019-12-27 06:36:06,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-27 06:36:06,342 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 701 transitions. [2019-12-27 06:36:06,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-27 06:36:06,343 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 06:36:06,344 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, 1, 1, 1, 1, 1, 1] [2019-12-27 06:36:06,344 INFO L410 AbstractCegarLoop]: === Iteration 14 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 06:36:06,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 06:36:06,344 INFO L82 PathProgramCache]: Analyzing trace with hash -238261497, now seen corresponding path program 3 times [2019-12-27 06:36:06,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 06:36:06,345 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754113679] [2019-12-27 06:36:06,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 06:36:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 06:36:06,699 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 06:36:06,700 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754113679] [2019-12-27 06:36:06,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 06:36:06,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-27 06:36:06,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380280059] [2019-12-27 06:36:06,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-27 06:36:06,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 06:36:06,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-27 06:36:06,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2019-12-27 06:36:06,702 INFO L87 Difference]: Start difference. First operand 394 states and 701 transitions. Second operand 13 states. [2019-12-27 06:36:07,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 06:36:07,288 INFO L93 Difference]: Finished difference Result 562 states and 957 transitions. [2019-12-27 06:36:07,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-27 06:36:07,288 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 57 [2019-12-27 06:36:07,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 06:36:07,290 INFO L225 Difference]: With dead ends: 562 [2019-12-27 06:36:07,290 INFO L226 Difference]: Without dead ends: 528 [2019-12-27 06:36:07,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2019-12-27 06:36:07,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2019-12-27 06:36:07,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 388. [2019-12-27 06:36:07,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2019-12-27 06:36:07,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 686 transitions. [2019-12-27 06:36:07,298 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 686 transitions. Word has length 57 [2019-12-27 06:36:07,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 06:36:07,299 INFO L462 AbstractCegarLoop]: Abstraction has 388 states and 686 transitions. [2019-12-27 06:36:07,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-27 06:36:07,299 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 686 transitions. [2019-12-27 06:36:07,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-27 06:36:07,300 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 06:36:07,300 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, 1, 1, 1, 1, 1, 1] [2019-12-27 06:36:07,301 INFO L410 AbstractCegarLoop]: === Iteration 15 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 06:36:07,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 06:36:07,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1732220053, now seen corresponding path program 4 times [2019-12-27 06:36:07,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 06:36:07,301 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418029290] [2019-12-27 06:36:07,302 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 06:36:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 06:36:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 06:36:07,426 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 06:36:07,426 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 06:36:07,431 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [746] [746] ULTIMATE.startENTRY-->L810: Formula: (let ((.cse0 (store |v_#valid_64| 0 0))) (and (= 0 v_~weak$$choice0~0_8) (= 0 v_~y$read_delayed_var~0.offset_7) (= (store |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1208~0.base_25| (store (select |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1208~0.base_25|) |v_ULTIMATE.start_main_~#t1208~0.offset_19| 0)) |v_#memory_int_21|) (= 0 v_~y$w_buff1~0_26) (= v_~__unbuffered_p2_EBX~0_10 0) (= v_~y$r_buff0_thd2~0_20 0) (= v_~main$tmp_guard0~0_9 0) (= v_~a~0_11 0) (= |v_#NULL.offset_6| 0) (= v_~y$read_delayed~0_7 0) (= v_~main$tmp_guard1~0_11 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t1208~0.base_25| 1) |v_#valid_62|) (= 0 v_~y$r_buff1_thd0~0_51) (< |v_#StackHeapBarrier_17| |v_ULTIMATE.start_main_~#t1208~0.base_25|) (= v_~y$w_buff0_used~0_108 0) (< 0 |v_#StackHeapBarrier_17|) (= 0 v_~y$flush_delayed~0_14) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1208~0.base_25|)) (= v_~y$r_buff0_thd3~0_26 0) (= 0 v_~y$w_buff0~0_29) (= v_~y$r_buff1_thd1~0_9 0) (= 0 |v_ULTIMATE.start_main_~#t1208~0.offset_19|) (= 0 v_~__unbuffered_p2_EAX~0_10) (= 0 |v_#NULL.base_6|) (= 0 v_~weak$$choice2~0_33) (= v_~y$r_buff0_thd0~0_80 0) (= 0 v_~y$read_delayed_var~0.base_7) (= 0 v_~y$r_buff1_thd2~0_17) (= (store |v_#length_24| |v_ULTIMATE.start_main_~#t1208~0.base_25| 4) |v_#length_23|) (= 0 v_~z~0_9) (= 0 v_~__unbuffered_cnt~0_22) (= v_~y$mem_tmp~0_10 0) (= v_~x~0_12 0) (= v_~y$w_buff1_used~0_69 0) (= 0 v_~y$r_buff1_thd3~0_19) (= v_~y~0_26 0) (= v_~y$r_buff0_thd1~0_6 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_17|, #valid=|v_#valid_64|, #memory_int=|v_#memory_int_22|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_#t~ite28=|v_ULTIMATE.start_main_#t~ite28_13|, ULTIMATE.start_main_~#t1210~0.base=|v_ULTIMATE.start_main_~#t1210~0.base_25|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~ite26=|v_ULTIMATE.start_main_#t~ite26_12|, ULTIMATE.start_main_#t~ite20=|v_ULTIMATE.start_main_#t~ite20_10|, ULTIMATE.start_main_#t~ite43=|v_ULTIMATE.start_main_#t~ite43_13|, ULTIMATE.start_main_#t~ite22=|v_ULTIMATE.start_main_#t~ite22_10|, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_12|, ~y$read_delayed~0=v_~y$read_delayed~0_7, ~a~0=v_~a~0_11, ~y$mem_tmp~0=v_~y$mem_tmp~0_10, ~y$r_buff1_thd3~0=v_~y$r_buff1_thd3~0_19, ~y$r_buff0_thd1~0=v_~y$r_buff0_thd1~0_6, ULTIMATE.start_main_~#t1210~0.offset=|v_ULTIMATE.start_main_~#t1210~0.offset_19|, ~y$flush_delayed~0=v_~y$flush_delayed~0_14, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_10, ULTIMATE.start_main_~#t1208~0.offset=|v_ULTIMATE.start_main_~#t1208~0.offset_19|, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_10, ULTIMATE.start_main_#t~ite18=|v_ULTIMATE.start_main_#t~ite18_12|, ULTIMATE.start_main_#t~ite39=|v_ULTIMATE.start_main_#t~ite39_14|, ULTIMATE.start_main_#t~nondet24=|v_ULTIMATE.start_main_#t~nondet24_8|, ULTIMATE.start_main_#t~ite35=|v_ULTIMATE.start_main_#t~ite35_15|, ULTIMATE.start_main_#t~ite37=|v_ULTIMATE.start_main_#t~ite37_13|, ULTIMATE.start_main_#t~ite31=|v_ULTIMATE.start_main_#t~ite31_12|, ULTIMATE.start_main_#t~ite33=|v_ULTIMATE.start_main_#t~ite33_14|, ~weak$$choice0~0=v_~weak$$choice0~0_8, #StackHeapBarrier=|v_#StackHeapBarrier_17|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_14|, ~y$w_buff1~0=v_~y$w_buff1~0_26, ~y$read_delayed_var~0.base=v_~y$read_delayed_var~0.base_7, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_20, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_8|, ULTIMATE.start_main_#t~nondet17=|v_ULTIMATE.start_main_#t~nondet17_8|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_22, ~y$r_buff1_thd0~0=v_~y$r_buff1_thd0~0_51, ~x~0=v_~x~0_12, ~y$read_delayed_var~0.offset=v_~y$read_delayed_var~0.offset_7, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_108, ULTIMATE.start_main_#t~ite29=|v_ULTIMATE.start_main_#t~ite29_15|, ULTIMATE.start_main_#t~ite46=|v_ULTIMATE.start_main_#t~ite46_15|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_11, ULTIMATE.start_main_#t~ite27=|v_ULTIMATE.start_main_#t~ite27_12|, ULTIMATE.start_main_#t~ite21=|v_ULTIMATE.start_main_#t~ite21_10|, ULTIMATE.start_main_#t~ite42=|v_ULTIMATE.start_main_#t~ite42_17|, ULTIMATE.start_main_#t~ite23=|v_ULTIMATE.start_main_#t~ite23_10|, ULTIMATE.start_main_#t~ite44=|v_ULTIMATE.start_main_#t~ite44_15|, ~y$r_buff1_thd1~0=v_~y$r_buff1_thd1~0_9, ULTIMATE.start_main_#t~ite30=|v_ULTIMATE.start_main_#t~ite30_12|, ~y$w_buff0~0=v_~y$w_buff0~0_29, ~y$r_buff0_thd3~0=v_~y$r_buff0_thd3~0_26, ~y~0=v_~y~0_26, ULTIMATE.start_main_~#t1209~0.offset=|v_ULTIMATE.start_main_~#t1209~0.offset_19|, ULTIMATE.start_main_#t~ite19=|v_ULTIMATE.start_main_#t~ite19_12|, ULTIMATE.start_main_#t~nondet25=|v_ULTIMATE.start_main_#t~nondet25_8|, ULTIMATE.start_main_#t~ite36=|v_ULTIMATE.start_main_#t~ite36_13|, ULTIMATE.start_main_#t~ite38=|v_ULTIMATE.start_main_#t~ite38_16|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_9, ULTIMATE.start_main_#t~ite32=|v_ULTIMATE.start_main_#t~ite32_14|, ULTIMATE.start_main_~#t1209~0.base=|v_ULTIMATE.start_main_~#t1209~0.base_25|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~ite34=|v_ULTIMATE.start_main_#t~ite34_13|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_17, ULTIMATE.start_main_~#t1208~0.base=|v_ULTIMATE.start_main_~#t1208~0.base_25|, ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_16|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_19|, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_80, #valid=|v_#valid_62|, #memory_int=|v_#memory_int_21|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_8|, ~z~0=v_~z~0_9, ~weak$$choice2~0=v_~weak$$choice2~0_33, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_69} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite28, ULTIMATE.start_main_~#t1210~0.base, #NULL.offset, ULTIMATE.start_main_#t~ite26, ULTIMATE.start_main_#t~ite20, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite22, ULTIMATE.start_main_#t~ite45, ~y$read_delayed~0, ~a~0, ~y$mem_tmp~0, ~y$r_buff1_thd3~0, ~y$r_buff0_thd1~0, ULTIMATE.start_main_~#t1210~0.offset, ~y$flush_delayed~0, #length, ~__unbuffered_p2_EAX~0, ULTIMATE.start_main_~#t1208~0.offset, ~__unbuffered_p2_EBX~0, ULTIMATE.start_main_#t~ite18, ULTIMATE.start_main_#t~ite39, ULTIMATE.start_main_#t~nondet24, ULTIMATE.start_main_#t~ite35, ULTIMATE.start_main_#t~ite37, ULTIMATE.start_main_#t~ite31, ULTIMATE.start_main_#t~ite33, ~weak$$choice0~0, ULTIMATE.start_main_#t~ite40, ~y$w_buff1~0, ~y$read_delayed_var~0.base, ~y$r_buff0_thd2~0, ULTIMATE.start_main_#t~nondet15, ULTIMATE.start_main_#t~nondet17, ~__unbuffered_cnt~0, ~y$r_buff1_thd0~0, ~x~0, ~y$read_delayed_var~0.offset, ~y$w_buff0_used~0, ULTIMATE.start_main_#t~ite29, ULTIMATE.start_main_#t~ite46, ~main$tmp_guard1~0, ULTIMATE.start_main_#t~ite27, ULTIMATE.start_main_#t~ite21, ULTIMATE.start_main_#t~ite42, ULTIMATE.start_main_#t~ite23, ULTIMATE.start_main_#t~ite44, ~y$r_buff1_thd1~0, ULTIMATE.start_main_#t~ite30, ~y$w_buff0~0, ~y$r_buff0_thd3~0, ~y~0, ULTIMATE.start_main_~#t1209~0.offset, ULTIMATE.start_main_#t~ite19, ULTIMATE.start_main_#t~nondet25, ULTIMATE.start_main_#t~ite36, ULTIMATE.start_main_#t~ite38, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~ite32, ULTIMATE.start_main_~#t1209~0.base, #NULL.base, ULTIMATE.start_main_#t~ite34, ~y$r_buff1_thd2~0, ULTIMATE.start_main_~#t1208~0.base, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#res, ~y$r_buff0_thd0~0, #valid, #memory_int, ULTIMATE.start_main_#t~nondet16, ~z~0, ~weak$$choice2~0, ~y$w_buff1_used~0] because there is no mapped edge [2019-12-27 06:36:07,432 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [716] [716] L810-1-->L812: Formula: (and (= |v_#valid_42| (store |v_#valid_43| |v_ULTIMATE.start_main_~#t1209~0.base_13| 1)) (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t1209~0.base_13| 4) |v_#length_17|) (not (= |v_ULTIMATE.start_main_~#t1209~0.base_13| 0)) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t1209~0.base_13|) (= 0 (select |v_#valid_43| |v_ULTIMATE.start_main_~#t1209~0.base_13|)) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1209~0.base_13| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1209~0.base_13|) |v_ULTIMATE.start_main_~#t1209~0.offset_11| 1)) |v_#memory_int_15|) (= 0 |v_ULTIMATE.start_main_~#t1209~0.offset_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_43|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{ULTIMATE.start_main_~#t1209~0.offset=|v_ULTIMATE.start_main_~#t1209~0.offset_11|, #StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_42|, #memory_int=|v_#memory_int_15|, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_5|, #length=|v_#length_17|, ULTIMATE.start_main_~#t1209~0.base=|v_ULTIMATE.start_main_~#t1209~0.base_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1209~0.offset, #valid, #memory_int, ULTIMATE.start_main_#t~nondet15, #length, ULTIMATE.start_main_~#t1209~0.base] because there is no mapped edge [2019-12-27 06:36:07,433 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [715] [715] L812-1-->L814: Formula: (and (= |v_ULTIMATE.start_main_~#t1210~0.offset_11| 0) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1210~0.base_13| 1)) (not (= |v_ULTIMATE.start_main_~#t1210~0.base_13| 0)) (= 0 (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1210~0.base_13|)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1210~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1210~0.base_13|) |v_ULTIMATE.start_main_~#t1210~0.offset_11| 2)) |v_#memory_int_13|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1210~0.base_13|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1210~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1210~0.base=|v_ULTIMATE.start_main_~#t1210~0.base_13|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t1210~0.offset=|v_ULTIMATE.start_main_~#t1210~0.offset_11|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_5|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1210~0.base, #valid, #memory_int, ULTIMATE.start_main_~#t1210~0.offset, ULTIMATE.start_main_#t~nondet16, #length] because there is no mapped edge [2019-12-27 06:36:07,434 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [634] [634] P2ENTRY-->L4-3: Formula: (and (= 0 (mod v_~y$w_buff1_used~0_47 256)) (= 1 |v_P2Thread1of1ForFork0___VERIFIER_assert_#in~expression_4|) (= |v_P2Thread1of1ForFork0___VERIFIER_assert_#in~expression_4| v_P2Thread1of1ForFork0___VERIFIER_assert_~expression_6) (= 1 v_~y$w_buff0_used~0_77) (= 2 v_~y$w_buff0~0_14) (= v_P2Thread1of1ForFork0_~arg.offset_4 |v_P2Thread1of1ForFork0_#in~arg.offset_4|) (= v_P2Thread1of1ForFork0_~arg.base_4 |v_P2Thread1of1ForFork0_#in~arg.base_4|) (= v_~y$w_buff1_used~0_47 v_~y$w_buff0_used~0_78) (= v_~y$w_buff0~0_15 v_~y$w_buff1~0_14)) InVars {P2Thread1of1ForFork0_#in~arg.offset=|v_P2Thread1of1ForFork0_#in~arg.offset_4|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_78, ~y$w_buff0~0=v_~y$w_buff0~0_15, P2Thread1of1ForFork0_#in~arg.base=|v_P2Thread1of1ForFork0_#in~arg.base_4|} OutVars{P2Thread1of1ForFork0_~arg.base=v_P2Thread1of1ForFork0_~arg.base_4, P2Thread1of1ForFork0_#in~arg.offset=|v_P2Thread1of1ForFork0_#in~arg.offset_4|, P2Thread1of1ForFork0___VERIFIER_assert_#in~expression=|v_P2Thread1of1ForFork0___VERIFIER_assert_#in~expression_4|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_77, ~y$w_buff1~0=v_~y$w_buff1~0_14, ~y$w_buff0~0=v_~y$w_buff0~0_14, P2Thread1of1ForFork0_~arg.offset=v_P2Thread1of1ForFork0_~arg.offset_4, P2Thread1of1ForFork0_#in~arg.base=|v_P2Thread1of1ForFork0_#in~arg.base_4|, P2Thread1of1ForFork0___VERIFIER_assert_~expression=v_P2Thread1of1ForFork0___VERIFIER_assert_~expression_6, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_47} AuxVars[] AssignedVars[P2Thread1of1ForFork0_~arg.base, P2Thread1of1ForFork0___VERIFIER_assert_#in~expression, ~y$w_buff0_used~0, ~y$w_buff1~0, ~y$w_buff0~0, P2Thread1of1ForFork0_~arg.offset, P2Thread1of1ForFork0___VERIFIER_assert_~expression, ~y$w_buff1_used~0] because there is no mapped edge [2019-12-27 06:36:07,435 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [718] [718] P0ENTRY-->P0EXIT: Formula: (and (= 1 v_~a~0_7) (= v_P0Thread1of1ForFork1_~arg.base_5 |v_P0Thread1of1ForFork1_#in~arg.base_5|) (= 0 |v_P0Thread1of1ForFork1_#res.offset_5|) (= 1 v_~x~0_9) (= v_P0Thread1of1ForFork1_~arg.offset_5 |v_P0Thread1of1ForFork1_#in~arg.offset_5|) (= 0 |v_P0Thread1of1ForFork1_#res.base_5|) (= v_~__unbuffered_cnt~0_18 (+ v_~__unbuffered_cnt~0_19 1))) InVars {P0Thread1of1ForFork1_#in~arg.offset=|v_P0Thread1of1ForFork1_#in~arg.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_19, P0Thread1of1ForFork1_#in~arg.base=|v_P0Thread1of1ForFork1_#in~arg.base_5|} OutVars{~a~0=v_~a~0_7, P0Thread1of1ForFork1_#res.offset=|v_P0Thread1of1ForFork1_#res.offset_5|, P0Thread1of1ForFork1_#in~arg.offset=|v_P0Thread1of1ForFork1_#in~arg.offset_5|, P0Thread1of1ForFork1_#res.base=|v_P0Thread1of1ForFork1_#res.base_5|, P0Thread1of1ForFork1_~arg.offset=v_P0Thread1of1ForFork1_~arg.offset_5, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_18, P0Thread1of1ForFork1_#in~arg.base=|v_P0Thread1of1ForFork1_#in~arg.base_5|, ~x~0=v_~x~0_9, P0Thread1of1ForFork1_~arg.base=v_P0Thread1of1ForFork1_~arg.base_5} AuxVars[] AssignedVars[~a~0, P0Thread1of1ForFork1_#res.offset, P0Thread1of1ForFork1_#res.base, P0Thread1of1ForFork1_~arg.offset, ~__unbuffered_cnt~0, ~x~0, P0Thread1of1ForFork1_~arg.base] because there is no mapped edge [2019-12-27 06:36:07,437 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [680] [680] L788-->L788-2: Formula: (let ((.cse1 (= 0 (mod ~y$r_buff0_thd3~0_In-1446542332 256))) (.cse0 (= 0 (mod ~y$w_buff0_used~0_In-1446542332 256)))) (or (and (= ~y$w_buff0_used~0_In-1446542332 |P2Thread1of1ForFork0_#t~ite11_Out-1446542332|) (or .cse0 .cse1)) (and (not .cse1) (= |P2Thread1of1ForFork0_#t~ite11_Out-1446542332| 0) (not .cse0)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-1446542332, ~y$r_buff0_thd3~0=~y$r_buff0_thd3~0_In-1446542332} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-1446542332, P2Thread1of1ForFork0_#t~ite11=|P2Thread1of1ForFork0_#t~ite11_Out-1446542332|, ~y$r_buff0_thd3~0=~y$r_buff0_thd3~0_In-1446542332} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite11] because there is no mapped edge [2019-12-27 06:36:07,438 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [691] [691] L789-->L789-2: Formula: (let ((.cse3 (= 0 (mod ~y$w_buff1_used~0_In1936061990 256))) (.cse2 (= 0 (mod ~y$r_buff1_thd3~0_In1936061990 256))) (.cse1 (= 0 (mod ~y$r_buff0_thd3~0_In1936061990 256))) (.cse0 (= 0 (mod ~y$w_buff0_used~0_In1936061990 256)))) (or (and (= ~y$w_buff1_used~0_In1936061990 |P2Thread1of1ForFork0_#t~ite12_Out1936061990|) (or .cse0 .cse1) (or .cse2 .cse3)) (and (= 0 |P2Thread1of1ForFork0_#t~ite12_Out1936061990|) (or (and (not .cse3) (not .cse2)) (and (not .cse1) (not .cse0)))))) InVars {~y$r_buff1_thd3~0=~y$r_buff1_thd3~0_In1936061990, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1936061990, ~y$r_buff0_thd3~0=~y$r_buff0_thd3~0_In1936061990, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1936061990} OutVars{~y$r_buff1_thd3~0=~y$r_buff1_thd3~0_In1936061990, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1936061990, P2Thread1of1ForFork0_#t~ite12=|P2Thread1of1ForFork0_#t~ite12_Out1936061990|, ~y$r_buff0_thd3~0=~y$r_buff0_thd3~0_In1936061990, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1936061990} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite12] because there is no mapped edge [2019-12-27 06:36:07,439 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [683] [683] L790-->L791: Formula: (let ((.cse1 (= (mod ~y$w_buff0_used~0_In-1428313746 256) 0)) (.cse0 (= 0 (mod ~y$r_buff0_thd3~0_In-1428313746 256)))) (or (and (= ~y$r_buff0_thd3~0_Out-1428313746 0) (not .cse0) (not .cse1)) (and (or .cse1 .cse0) (= ~y$r_buff0_thd3~0_In-1428313746 ~y$r_buff0_thd3~0_Out-1428313746)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-1428313746, ~y$r_buff0_thd3~0=~y$r_buff0_thd3~0_In-1428313746} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-1428313746, ~y$r_buff0_thd3~0=~y$r_buff0_thd3~0_Out-1428313746, P2Thread1of1ForFork0_#t~ite13=|P2Thread1of1ForFork0_#t~ite13_Out-1428313746|} AuxVars[] AssignedVars[~y$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite13] because there is no mapped edge [2019-12-27 06:36:07,440 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [684] [684] L791-->L791-2: Formula: (let ((.cse0 (= 0 (mod ~y$r_buff1_thd3~0_In1309285719 256))) (.cse1 (= 0 (mod ~y$w_buff1_used~0_In1309285719 256))) (.cse2 (= 0 (mod ~y$r_buff0_thd3~0_In1309285719 256))) (.cse3 (= 0 (mod ~y$w_buff0_used~0_In1309285719 256)))) (or (and (or .cse0 .cse1) (= |P2Thread1of1ForFork0_#t~ite14_Out1309285719| ~y$r_buff1_thd3~0_In1309285719) (or .cse2 .cse3)) (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= |P2Thread1of1ForFork0_#t~ite14_Out1309285719| 0)))) InVars {~y$r_buff1_thd3~0=~y$r_buff1_thd3~0_In1309285719, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1309285719, ~y$r_buff0_thd3~0=~y$r_buff0_thd3~0_In1309285719, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1309285719} OutVars{P2Thread1of1ForFork0_#t~ite14=|P2Thread1of1ForFork0_#t~ite14_Out1309285719|, ~y$r_buff1_thd3~0=~y$r_buff1_thd3~0_In1309285719, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1309285719, ~y$r_buff0_thd3~0=~y$r_buff0_thd3~0_In1309285719, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1309285719} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite14] because there is no mapped edge [2019-12-27 06:36:07,440 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [705] [705] L791-2-->P2EXIT: Formula: (and (= |v_P2Thread1of1ForFork0_#res.offset_5| 0) (= v_~__unbuffered_cnt~0_14 (+ v_~__unbuffered_cnt~0_15 1)) (= |v_P2Thread1of1ForFork0_#res.base_5| 0) (= v_~y$r_buff1_thd3~0_15 |v_P2Thread1of1ForFork0_#t~ite14_8|)) InVars {P2Thread1of1ForFork0_#t~ite14=|v_P2Thread1of1ForFork0_#t~ite14_8|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_15} OutVars{P2Thread1of1ForFork0_#t~ite14=|v_P2Thread1of1ForFork0_#t~ite14_7|, ~y$r_buff1_thd3~0=v_~y$r_buff1_thd3~0_15, P2Thread1of1ForFork0_#res.base=|v_P2Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_14, P2Thread1of1ForFork0_#res.offset=|v_P2Thread1of1ForFork0_#res.offset_5|} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite14, ~y$r_buff1_thd3~0, P2Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork0_#res.offset] because there is no mapped edge [2019-12-27 06:36:07,441 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [698] [698] L752-2-->L752-4: Formula: (let ((.cse0 (= (mod ~y$r_buff1_thd2~0_In-1774198909 256) 0)) (.cse1 (= 0 (mod ~y$w_buff1_used~0_In-1774198909 256)))) (or (and (not .cse0) (= |P1Thread1of1ForFork2_#t~ite3_Out-1774198909| ~y$w_buff1~0_In-1774198909) (not .cse1)) (and (= |P1Thread1of1ForFork2_#t~ite3_Out-1774198909| ~y~0_In-1774198909) (or .cse0 .cse1)))) InVars {~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-1774198909, ~y$w_buff1~0=~y$w_buff1~0_In-1774198909, ~y~0=~y~0_In-1774198909, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1774198909} OutVars{~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-1774198909, ~y$w_buff1~0=~y$w_buff1~0_In-1774198909, ~y~0=~y~0_In-1774198909, P1Thread1of1ForFork2_#t~ite3=|P1Thread1of1ForFork2_#t~ite3_Out-1774198909|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1774198909} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite3] because there is no mapped edge [2019-12-27 06:36:07,441 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [629] [629] L752-4-->L753: Formula: (= v_~y~0_18 |v_P1Thread1of1ForFork2_#t~ite3_8|) InVars {P1Thread1of1ForFork2_#t~ite3=|v_P1Thread1of1ForFork2_#t~ite3_8|} OutVars{P1Thread1of1ForFork2_#t~ite4=|v_P1Thread1of1ForFork2_#t~ite4_7|, ~y~0=v_~y~0_18, P1Thread1of1ForFork2_#t~ite3=|v_P1Thread1of1ForFork2_#t~ite3_7|} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite4, ~y~0, P1Thread1of1ForFork2_#t~ite3] because there is no mapped edge [2019-12-27 06:36:07,441 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [681] [681] L753-->L753-2: Formula: (let ((.cse0 (= 0 (mod ~y$w_buff0_used~0_In760834627 256))) (.cse1 (= 0 (mod ~y$r_buff0_thd2~0_In760834627 256)))) (or (and (= 0 |P1Thread1of1ForFork2_#t~ite5_Out760834627|) (not .cse0) (not .cse1)) (and (or .cse0 .cse1) (= |P1Thread1of1ForFork2_#t~ite5_Out760834627| ~y$w_buff0_used~0_In760834627)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In760834627, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In760834627} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In760834627, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In760834627, P1Thread1of1ForFork2_#t~ite5=|P1Thread1of1ForFork2_#t~ite5_Out760834627|} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite5] because there is no mapped edge [2019-12-27 06:36:07,442 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [685] [685] L754-->L754-2: Formula: (let ((.cse1 (= 0 (mod ~y$r_buff1_thd2~0_In-383692564 256))) (.cse0 (= (mod ~y$w_buff1_used~0_In-383692564 256) 0)) (.cse3 (= 0 (mod ~y$r_buff0_thd2~0_In-383692564 256))) (.cse2 (= 0 (mod ~y$w_buff0_used~0_In-383692564 256)))) (or (and (= 0 |P1Thread1of1ForFork2_#t~ite6_Out-383692564|) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (or .cse1 .cse0) (or .cse3 .cse2) (= ~y$w_buff1_used~0_In-383692564 |P1Thread1of1ForFork2_#t~ite6_Out-383692564|)))) InVars {~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-383692564, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-383692564, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-383692564, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-383692564} OutVars{~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-383692564, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-383692564, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-383692564, P1Thread1of1ForFork2_#t~ite6=|P1Thread1of1ForFork2_#t~ite6_Out-383692564|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-383692564} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite6] because there is no mapped edge [2019-12-27 06:36:07,443 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [696] [696] L755-->L755-2: Formula: (let ((.cse1 (= 0 (mod ~y$w_buff0_used~0_In-67243437 256))) (.cse0 (= 0 (mod ~y$r_buff0_thd2~0_In-67243437 256)))) (or (and (or .cse0 .cse1) (= |P1Thread1of1ForFork2_#t~ite7_Out-67243437| ~y$r_buff0_thd2~0_In-67243437)) (and (not .cse1) (not .cse0) (= |P1Thread1of1ForFork2_#t~ite7_Out-67243437| 0)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-67243437, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-67243437} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-67243437, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-67243437, P1Thread1of1ForFork2_#t~ite7=|P1Thread1of1ForFork2_#t~ite7_Out-67243437|} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite7] because there is no mapped edge [2019-12-27 06:36:07,444 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [688] [688] L756-->L756-2: Formula: (let ((.cse2 (= (mod ~y$r_buff0_thd2~0_In-638289171 256) 0)) (.cse3 (= (mod ~y$w_buff0_used~0_In-638289171 256) 0)) (.cse1 (= (mod ~y$r_buff1_thd2~0_In-638289171 256) 0)) (.cse0 (= 0 (mod ~y$w_buff1_used~0_In-638289171 256)))) (or (and (or .cse0 .cse1) (= |P1Thread1of1ForFork2_#t~ite8_Out-638289171| ~y$r_buff1_thd2~0_In-638289171) (or .cse2 .cse3)) (and (or (and (not .cse2) (not .cse3)) (and (not .cse1) (not .cse0))) (= |P1Thread1of1ForFork2_#t~ite8_Out-638289171| 0)))) InVars {~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-638289171, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-638289171, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-638289171, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-638289171} OutVars{~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-638289171, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-638289171, P1Thread1of1ForFork2_#t~ite8=|P1Thread1of1ForFork2_#t~ite8_Out-638289171|, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-638289171, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-638289171} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite8] because there is no mapped edge [2019-12-27 06:36:07,444 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [711] [711] L756-2-->P1EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_17 1) v_~__unbuffered_cnt~0_16) (= 0 |v_P1Thread1of1ForFork2_#res.offset_5|) (= |v_P1Thread1of1ForFork2_#t~ite8_8| v_~y$r_buff1_thd2~0_13) (= 0 |v_P1Thread1of1ForFork2_#res.base_5|)) InVars {P1Thread1of1ForFork2_#t~ite8=|v_P1Thread1of1ForFork2_#t~ite8_8|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_17} OutVars{~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_13, P1Thread1of1ForFork2_#res.offset=|v_P1Thread1of1ForFork2_#res.offset_5|, P1Thread1of1ForFork2_#t~ite8=|v_P1Thread1of1ForFork2_#t~ite8_7|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_16, P1Thread1of1ForFork2_#res.base=|v_P1Thread1of1ForFork2_#res.base_5|} AuxVars[] AssignedVars[~y$r_buff1_thd2~0, P1Thread1of1ForFork2_#res.offset, P1Thread1of1ForFork2_#t~ite8, ~__unbuffered_cnt~0, P1Thread1of1ForFork2_#res.base] because there is no mapped edge [2019-12-27 06:36:07,445 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [661] [661] L814-1-->L820: Formula: (and (= v_~main$tmp_guard0~0_5 1) (= 3 v_~__unbuffered_cnt~0_12)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_12} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_12, ULTIMATE.start_main_#t~nondet17=|v_ULTIMATE.start_main_#t~nondet17_4|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet17, ~main$tmp_guard0~0] because there is no mapped edge [2019-12-27 06:36:07,446 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [690] [690] L820-2-->L820-5: Formula: (let ((.cse1 (= (mod ~y$w_buff1_used~0_In-588693704 256) 0)) (.cse2 (= 0 (mod ~y$r_buff1_thd0~0_In-588693704 256))) (.cse0 (= |ULTIMATE.start_main_#t~ite18_Out-588693704| |ULTIMATE.start_main_#t~ite19_Out-588693704|))) (or (and (= |ULTIMATE.start_main_#t~ite18_Out-588693704| ~y~0_In-588693704) .cse0 (or .cse1 .cse2)) (and (not .cse1) (not .cse2) (= ~y$w_buff1~0_In-588693704 |ULTIMATE.start_main_#t~ite18_Out-588693704|) .cse0))) InVars {~y$w_buff1~0=~y$w_buff1~0_In-588693704, ~y~0=~y~0_In-588693704, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-588693704, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-588693704} OutVars{~y$w_buff1~0=~y$w_buff1~0_In-588693704, ULTIMATE.start_main_#t~ite18=|ULTIMATE.start_main_#t~ite18_Out-588693704|, ULTIMATE.start_main_#t~ite19=|ULTIMATE.start_main_#t~ite19_Out-588693704|, ~y~0=~y~0_In-588693704, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-588693704, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-588693704} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite18, ULTIMATE.start_main_#t~ite19] because there is no mapped edge [2019-12-27 06:36:07,447 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [689] [689] L821-->L821-2: Formula: (let ((.cse1 (= 0 (mod ~y$r_buff0_thd0~0_In2115752483 256))) (.cse0 (= 0 (mod ~y$w_buff0_used~0_In2115752483 256)))) (or (and (= |ULTIMATE.start_main_#t~ite20_Out2115752483| 0) (not .cse0) (not .cse1)) (and (or .cse1 .cse0) (= |ULTIMATE.start_main_#t~ite20_Out2115752483| ~y$w_buff0_used~0_In2115752483)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In2115752483, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In2115752483} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In2115752483, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In2115752483, ULTIMATE.start_main_#t~ite20=|ULTIMATE.start_main_#t~ite20_Out2115752483|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite20] because there is no mapped edge [2019-12-27 06:36:07,448 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [695] [695] L822-->L822-2: Formula: (let ((.cse3 (= (mod ~y$r_buff0_thd0~0_In1178105438 256) 0)) (.cse2 (= (mod ~y$w_buff0_used~0_In1178105438 256) 0)) (.cse0 (= 0 (mod ~y$r_buff1_thd0~0_In1178105438 256))) (.cse1 (= (mod ~y$w_buff1_used~0_In1178105438 256) 0))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= 0 |ULTIMATE.start_main_#t~ite21_Out1178105438|)) (and (= ~y$w_buff1_used~0_In1178105438 |ULTIMATE.start_main_#t~ite21_Out1178105438|) (or .cse3 .cse2) (or .cse0 .cse1)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In1178105438, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In1178105438, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In1178105438, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1178105438} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In1178105438, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In1178105438, ULTIMATE.start_main_#t~ite21=|ULTIMATE.start_main_#t~ite21_Out1178105438|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In1178105438, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1178105438} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite21] because there is no mapped edge [2019-12-27 06:36:07,448 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [678] [678] L823-->L823-2: Formula: (let ((.cse1 (= 0 (mod ~y$w_buff0_used~0_In-266449445 256))) (.cse0 (= 0 (mod ~y$r_buff0_thd0~0_In-266449445 256)))) (or (and (or .cse0 .cse1) (= |ULTIMATE.start_main_#t~ite22_Out-266449445| ~y$r_buff0_thd0~0_In-266449445)) (and (not .cse1) (not .cse0) (= |ULTIMATE.start_main_#t~ite22_Out-266449445| 0)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-266449445, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-266449445} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-266449445, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-266449445, ULTIMATE.start_main_#t~ite22=|ULTIMATE.start_main_#t~ite22_Out-266449445|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite22] because there is no mapped edge [2019-12-27 06:36:07,449 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [687] [687] L824-->L824-2: Formula: (let ((.cse2 (= 0 (mod ~y$r_buff1_thd0~0_In-1147781208 256))) (.cse3 (= 0 (mod ~y$w_buff1_used~0_In-1147781208 256))) (.cse1 (= 0 (mod ~y$r_buff0_thd0~0_In-1147781208 256))) (.cse0 (= (mod ~y$w_buff0_used~0_In-1147781208 256) 0))) (or (and (= |ULTIMATE.start_main_#t~ite23_Out-1147781208| ~y$r_buff1_thd0~0_In-1147781208) (or .cse0 .cse1) (or .cse2 .cse3)) (and (= |ULTIMATE.start_main_#t~ite23_Out-1147781208| 0) (or (and (not .cse2) (not .cse3)) (and (not .cse1) (not .cse0)))))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-1147781208, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-1147781208, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-1147781208, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1147781208} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-1147781208, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-1147781208, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-1147781208, ULTIMATE.start_main_#t~ite23=|ULTIMATE.start_main_#t~ite23_Out-1147781208|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1147781208} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite23] because there is no mapped edge [2019-12-27 06:36:07,453 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [730] [730] L833-->L833-8: Formula: (let ((.cse0 (= (mod ~weak$$choice2~0_In1699965945 256) 0))) (or (and (= |ULTIMATE.start_main_#t~ite32_In1699965945| |ULTIMATE.start_main_#t~ite32_Out1699965945|) (not .cse0) (= ~y$w_buff1~0_In1699965945 |ULTIMATE.start_main_#t~ite33_Out1699965945|)) (and .cse0 (let ((.cse1 (= (mod ~y$r_buff0_thd0~0_In1699965945 256) 0))) (or (and (= (mod ~y$r_buff1_thd0~0_In1699965945 256) 0) .cse1) (and .cse1 (= 0 (mod ~y$w_buff1_used~0_In1699965945 256))) (= (mod ~y$w_buff0_used~0_In1699965945 256) 0))) (= |ULTIMATE.start_main_#t~ite33_Out1699965945| |ULTIMATE.start_main_#t~ite32_Out1699965945|) (= ~y$w_buff1~0_In1699965945 |ULTIMATE.start_main_#t~ite32_Out1699965945|)))) InVars {~y$w_buff1~0=~y$w_buff1~0_In1699965945, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1699965945, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In1699965945, ~weak$$choice2~0=~weak$$choice2~0_In1699965945, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In1699965945, ULTIMATE.start_main_#t~ite32=|ULTIMATE.start_main_#t~ite32_In1699965945|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1699965945} OutVars{~y$w_buff1~0=~y$w_buff1~0_In1699965945, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1699965945, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In1699965945, ~weak$$choice2~0=~weak$$choice2~0_In1699965945, ULTIMATE.start_main_#t~ite32=|ULTIMATE.start_main_#t~ite32_Out1699965945|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In1699965945, ULTIMATE.start_main_#t~ite33=|ULTIMATE.start_main_#t~ite33_Out1699965945|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1699965945} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite32, ULTIMATE.start_main_#t~ite33] because there is no mapped edge [2019-12-27 06:36:07,454 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [731] [731] L834-->L834-8: Formula: (let ((.cse0 (= 0 (mod ~weak$$choice2~0_In-1539498019 256)))) (or (and (= |ULTIMATE.start_main_#t~ite36_Out-1539498019| |ULTIMATE.start_main_#t~ite35_Out-1539498019|) .cse0 (let ((.cse1 (= 0 (mod ~y$r_buff0_thd0~0_In-1539498019 256)))) (or (= 0 (mod ~y$w_buff0_used~0_In-1539498019 256)) (and .cse1 (= 0 (mod ~y$w_buff1_used~0_In-1539498019 256))) (and (= (mod ~y$r_buff1_thd0~0_In-1539498019 256) 0) .cse1))) (= |ULTIMATE.start_main_#t~ite35_Out-1539498019| ~y$w_buff0_used~0_In-1539498019)) (and (= |ULTIMATE.start_main_#t~ite36_Out-1539498019| ~y$w_buff0_used~0_In-1539498019) (not .cse0) (= |ULTIMATE.start_main_#t~ite35_In-1539498019| |ULTIMATE.start_main_#t~ite35_Out-1539498019|)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-1539498019, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-1539498019, ULTIMATE.start_main_#t~ite35=|ULTIMATE.start_main_#t~ite35_In-1539498019|, ~weak$$choice2~0=~weak$$choice2~0_In-1539498019, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-1539498019, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1539498019} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-1539498019, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-1539498019, ULTIMATE.start_main_#t~ite35=|ULTIMATE.start_main_#t~ite35_Out-1539498019|, ULTIMATE.start_main_#t~ite36=|ULTIMATE.start_main_#t~ite36_Out-1539498019|, ~weak$$choice2~0=~weak$$choice2~0_In-1539498019, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-1539498019, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1539498019} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite35, ULTIMATE.start_main_#t~ite36] because there is no mapped edge [2019-12-27 06:36:07,455 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [729] [729] L835-->L835-8: Formula: (let ((.cse0 (= 0 (mod ~weak$$choice2~0_In-2144801074 256)))) (or (and (= ~y$w_buff1_used~0_In-2144801074 |ULTIMATE.start_main_#t~ite39_Out-2144801074|) (not .cse0) (= |ULTIMATE.start_main_#t~ite38_In-2144801074| |ULTIMATE.start_main_#t~ite38_Out-2144801074|)) (and (= |ULTIMATE.start_main_#t~ite38_Out-2144801074| ~y$w_buff1_used~0_In-2144801074) (= |ULTIMATE.start_main_#t~ite38_Out-2144801074| |ULTIMATE.start_main_#t~ite39_Out-2144801074|) .cse0 (let ((.cse1 (= (mod ~y$r_buff0_thd0~0_In-2144801074 256) 0))) (or (and .cse1 (= 0 (mod ~y$w_buff1_used~0_In-2144801074 256))) (= (mod ~y$w_buff0_used~0_In-2144801074 256) 0) (and .cse1 (= (mod ~y$r_buff1_thd0~0_In-2144801074 256) 0))))))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-2144801074, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-2144801074, ULTIMATE.start_main_#t~ite38=|ULTIMATE.start_main_#t~ite38_In-2144801074|, ~weak$$choice2~0=~weak$$choice2~0_In-2144801074, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-2144801074, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-2144801074} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-2144801074, ULTIMATE.start_main_#t~ite39=|ULTIMATE.start_main_#t~ite39_Out-2144801074|, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-2144801074, ULTIMATE.start_main_#t~ite38=|ULTIMATE.start_main_#t~ite38_Out-2144801074|, ~weak$$choice2~0=~weak$$choice2~0_In-2144801074, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-2144801074, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-2144801074} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite39, ULTIMATE.start_main_#t~ite38] because there is no mapped edge [2019-12-27 06:36:07,456 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [665] [665] L836-->L837: Formula: (and (not (= (mod v_~weak$$choice2~0_21 256) 0)) (= v_~y$r_buff0_thd0~0_64 v_~y$r_buff0_thd0~0_63)) InVars {~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_21} OutVars{ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_9|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_8|, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_63, ~weak$$choice2~0=v_~weak$$choice2~0_21, ULTIMATE.start_main_#t~ite42=|v_ULTIMATE.start_main_#t~ite42_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ~y$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite42] because there is no mapped edge [2019-12-27 06:36:07,458 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [728] [728] L839-->L4: Formula: (and (= 0 v_~y$flush_delayed~0_10) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7| (mod v_~main$tmp_guard1~0_8 256)) (= v_~y~0_23 v_~y$mem_tmp~0_7) (not (= 0 (mod v_~y$flush_delayed~0_11 256)))) InVars {~y$mem_tmp~0=v_~y$mem_tmp~0_7, ~y$flush_delayed~0=v_~y$flush_delayed~0_11, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_8} OutVars{~y$mem_tmp~0=v_~y$mem_tmp~0_7, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_12, ~y$flush_delayed~0=v_~y$flush_delayed~0_10, ULTIMATE.start_main_#t~ite46=|v_ULTIMATE.start_main_#t~ite46_12|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_8, ~y~0=v_~y~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~y$flush_delayed~0, ULTIMATE.start_main_#t~ite46, ~y~0, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-27 06:36:07,458 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [723] [723] L4-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_10 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_5|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_10 0)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_5|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_10, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_5|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] because there is no mapped edge [2019-12-27 06:36:07,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 06:36:07 BasicIcfg [2019-12-27 06:36:07,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 06:36:07,554 INFO L168 Benchmark]: Toolchain (without parser) took 18248.73 ms. Allocated memory was 138.4 MB in the beginning and 834.7 MB in the end (delta: 696.3 MB). Free memory was 101.2 MB in the beginning and 291.2 MB in the end (delta: -190.1 MB). Peak memory consumption was 506.2 MB. Max. memory is 7.1 GB. [2019-12-27 06:36:07,555 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 06:36:07,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.56 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.8 MB in the beginning and 156.6 MB in the end (delta: -55.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-12-27 06:36:07,556 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.27 ms. Allocated memory is still 202.9 MB. Free memory was 156.6 MB in the beginning and 153.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-12-27 06:36:07,557 INFO L168 Benchmark]: Boogie Preprocessor took 42.13 ms. Allocated memory is still 202.9 MB. Free memory was 153.8 MB in the beginning and 151.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-12-27 06:36:07,558 INFO L168 Benchmark]: RCFGBuilder took 871.03 ms. Allocated memory is still 202.9 MB. Free memory was 151.1 MB in the beginning and 104.3 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. [2019-12-27 06:36:07,558 INFO L168 Benchmark]: TraceAbstraction took 16515.81 ms. Allocated memory was 202.9 MB in the beginning and 834.7 MB in the end (delta: 631.8 MB). Free memory was 104.3 MB in the beginning and 291.2 MB in the end (delta: -187.0 MB). Peak memory consumption was 444.8 MB. Max. memory is 7.1 GB. [2019-12-27 06:36:07,562 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.56 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.8 MB in the beginning and 156.6 MB in the end (delta: -55.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 74.27 ms. Allocated memory is still 202.9 MB. Free memory was 156.6 MB in the beginning and 153.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.13 ms. Allocated memory is still 202.9 MB. Free memory was 153.8 MB in the beginning and 151.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 871.03 ms. Allocated memory is still 202.9 MB. Free memory was 151.1 MB in the beginning and 104.3 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16515.81 ms. Allocated memory was 202.9 MB in the beginning and 834.7 MB in the end (delta: 631.8 MB). Free memory was 104.3 MB in the beginning and 291.2 MB in the end (delta: -187.0 MB). Peak memory consumption was 444.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.9s, 164 ProgramPointsBefore, 84 ProgramPointsAfterwards, 195 TransitionsBefore, 93 TransitionsAfterwards, 11490 CoEnabledTransitionPairs, 7 FixpointIterations, 33 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 38 ConcurrentYvCompositions, 26 ChoiceCompositions, 4106 VarBasedMoverChecksPositive, 151 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 48939 CheckedPairsTotal, 111 TotalNumberOfCompositions - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L810] FCALL, FORK 0 pthread_create(&t1208, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L812] FCALL, FORK 0 pthread_create(&t1209, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L814] FCALL, FORK 0 pthread_create(&t1210, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L771] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L772] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L773] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L774] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L775] 3 y$r_buff0_thd3 = (_Bool)1 [L778] 3 z = 1 [L781] 3 __unbuffered_p2_EAX = z [L784] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L787] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L746] 2 x = 2 [L749] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L787] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L788] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L789] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L752] 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L753] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L754] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L755] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L820] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L820] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L821] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L822] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L823] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L824] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L827] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L828] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L829] 0 y$flush_delayed = weak$$choice2 [L830] 0 y$mem_tmp = y VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=2, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L831] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=2, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L831] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L832] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=2, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L832] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L833] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L834] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L835] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L837] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=2, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L837] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L838] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=2, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 155 locations, 2 error locations. Result: UNSAFE, OverallTime: 16.2s, OverallIterations: 15, TraceHistogramMax: 1, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1374 SDtfs, 1438 SDslu, 3857 SDs, 0 SdLazy, 2094 SolverSat, 188 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 19 SyntacticMatches, 5 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24300occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 3115 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 633 NumberOfCodeBlocks, 633 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 562 ConstructedInterpolants, 0 QuantifiedInterpolants, 137835 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 proved your program to be incorrect! Received shutdown request...