/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/rfi001_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:05:35,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:05:35,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:05:35,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:05:35,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:05:35,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:05:35,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:05:35,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:05:35,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:05:35,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:05:35,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:05:35,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:05:35,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:05:35,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:05:35,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:05:35,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:05:35,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:05:35,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:05:35,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:05:35,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:05:35,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:05:35,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:05:35,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:05:35,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:05:35,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:05:35,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:05:35,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:05:35,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:05:35,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:05:35,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:05:35,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:05:35,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:05:35,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:05:35,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:05:35,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:05:35,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:05:35,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:05:35,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:05:35,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:05:35,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:05:35,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:05:35,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 12:05:35,982 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:05:35,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:05:35,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:05:35,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:05:35,985 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:05:35,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:05:35,986 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:05:35,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:05:35,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:05:35,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:05:35,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:05:35,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:05:35,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:05:35,988 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:05:35,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:05:35,989 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:05:35,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:05:35,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:05:35,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:05:35,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:05:35,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:05:35,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:05:35,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:05:35,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:05:35,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:05:35,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:05:35,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:05:35,991 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:05:35,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:05:36,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:05:36,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:05:36,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:05:36,306 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:05:36,308 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:05:36,309 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi001_rmo.oepc.i [2020-10-16 12:05:36,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee2be1ea5/f0397447200448e6ac82de82e15d9c7f/FLAG55e4b3c2b [2020-10-16 12:05:36,944 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:05:36,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/rfi001_rmo.oepc.i [2020-10-16 12:05:36,970 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee2be1ea5/f0397447200448e6ac82de82e15d9c7f/FLAG55e4b3c2b [2020-10-16 12:05:37,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee2be1ea5/f0397447200448e6ac82de82e15d9c7f [2020-10-16 12:05:37,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:05:37,228 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:05:37,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:05:37,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:05:37,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:05:37,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:05:37" (1/1) ... [2020-10-16 12:05:37,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a021bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:37, skipping insertion in model container [2020-10-16 12:05:37,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:05:37" (1/1) ... [2020-10-16 12:05:37,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:05:37,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:05:37,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:05:37,816 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:05:37,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:05:37,997 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:05:37,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:37 WrapperNode [2020-10-16 12:05:37,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:05:37,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:05:37,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:05:37,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:05:38,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:37" (1/1) ... [2020-10-16 12:05:38,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:37" (1/1) ... [2020-10-16 12:05:38,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:05:38,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:05:38,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:05:38,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:05:38,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:37" (1/1) ... [2020-10-16 12:05:38,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:37" (1/1) ... [2020-10-16 12:05:38,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:37" (1/1) ... [2020-10-16 12:05:38,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:37" (1/1) ... [2020-10-16 12:05:38,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:37" (1/1) ... [2020-10-16 12:05:38,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:37" (1/1) ... [2020-10-16 12:05:38,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:37" (1/1) ... [2020-10-16 12:05:38,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:05:38,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:05:38,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:05:38,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:05:38,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:05:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:05:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:05:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:05:38,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:05:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:05:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:05:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:05:38,181 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:05:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:05:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:05:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:05:38,184 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:05:40,102 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:05:40,103 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:05:40,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:05:40 BoogieIcfgContainer [2020-10-16 12:05:40,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:05:40,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:05:40,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:05:40,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:05:40,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:05:37" (1/3) ... [2020-10-16 12:05:40,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7d2ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:05:40, skipping insertion in model container [2020-10-16 12:05:40,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:37" (2/3) ... [2020-10-16 12:05:40,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7d2ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:05:40, skipping insertion in model container [2020-10-16 12:05:40,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:05:40" (3/3) ... [2020-10-16 12:05:40,114 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi001_rmo.oepc.i [2020-10-16 12:05:40,127 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:05:40,128 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:05:40,136 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:05:40,137 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:05:40,167 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,168 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,168 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,168 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,169 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,169 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,169 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,169 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,172 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,172 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,172 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,172 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,176 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,179 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,182 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,182 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,182 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,182 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,188 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,188 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,188 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,188 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,188 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,189 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,195 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,197 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,197 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,197 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,197 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,197 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,198 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,198 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,198 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,198 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,198 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:40,202 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:05:40,216 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 12:05:40,237 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:05:40,238 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:05:40,238 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:05:40,238 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:05:40,238 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:05:40,238 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:05:40,238 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:05:40,239 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:05:40,253 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:05:40,254 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 79 transitions, 168 flow [2020-10-16 12:05:40,257 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 79 transitions, 168 flow [2020-10-16 12:05:40,259 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 84 places, 79 transitions, 168 flow [2020-10-16 12:05:40,302 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-16 12:05:40,302 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:05:40,308 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2020-10-16 12:05:40,310 INFO L117 LiptonReduction]: Number of co-enabled transitions 1024 [2020-10-16 12:05:40,729 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:05:41,114 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-10-16 12:05:42,424 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-16 12:05:42,550 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-16 12:05:42,561 INFO L132 LiptonReduction]: Checked pairs total: 3042 [2020-10-16 12:05:42,561 INFO L134 LiptonReduction]: Total number of compositions: 67 [2020-10-16 12:05:42,571 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 23 transitions, 56 flow [2020-10-16 12:05:42,625 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 266 states. [2020-10-16 12:05:42,628 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states. [2020-10-16 12:05:42,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-16 12:05:42,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:42,654 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-16 12:05:42,655 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:42,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:42,663 INFO L82 PathProgramCache]: Analyzing trace with hash 908405, now seen corresponding path program 1 times [2020-10-16 12:05:42,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:42,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533217780] [2020-10-16 12:05:42,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:42,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533217780] [2020-10-16 12:05:42,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:42,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:05:42,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198976653] [2020-10-16 12:05:42,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:42,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:43,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:43,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:43,014 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 3 states. [2020-10-16 12:05:43,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:43,103 INFO L93 Difference]: Finished difference Result 222 states and 543 transitions. [2020-10-16 12:05:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:43,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-16 12:05:43,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:43,128 INFO L225 Difference]: With dead ends: 222 [2020-10-16 12:05:43,128 INFO L226 Difference]: Without dead ends: 162 [2020-10-16 12:05:43,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:43,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-16 12:05:43,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-10-16 12:05:43,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-16 12:05:43,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 385 transitions. [2020-10-16 12:05:43,215 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 385 transitions. Word has length 3 [2020-10-16 12:05:43,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:43,215 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 385 transitions. [2020-10-16 12:05:43,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:43,216 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 385 transitions. [2020-10-16 12:05:43,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-16 12:05:43,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:43,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:43,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:05:43,220 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:43,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:43,220 INFO L82 PathProgramCache]: Analyzing trace with hash -2044132866, now seen corresponding path program 1 times [2020-10-16 12:05:43,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:43,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407850113] [2020-10-16 12:05:43,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:43,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:43,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407850113] [2020-10-16 12:05:43,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:43,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:05:43,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902883190] [2020-10-16 12:05:43,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:05:43,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:43,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:05:43,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:05:43,357 INFO L87 Difference]: Start difference. First operand 162 states and 385 transitions. Second operand 4 states. [2020-10-16 12:05:43,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:43,381 INFO L93 Difference]: Finished difference Result 172 states and 388 transitions. [2020-10-16 12:05:43,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:05:43,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-16 12:05:43,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:43,383 INFO L225 Difference]: With dead ends: 172 [2020-10-16 12:05:43,384 INFO L226 Difference]: Without dead ends: 142 [2020-10-16 12:05:43,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:05:43,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-16 12:05:43,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2020-10-16 12:05:43,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-16 12:05:43,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 329 transitions. [2020-10-16 12:05:43,393 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 329 transitions. Word has length 8 [2020-10-16 12:05:43,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:43,393 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 329 transitions. [2020-10-16 12:05:43,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:05:43,394 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 329 transitions. [2020-10-16 12:05:43,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 12:05:43,395 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:43,395 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:43,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:05:43,395 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:43,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:43,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1628118434, now seen corresponding path program 1 times [2020-10-16 12:05:43,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:43,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242686296] [2020-10-16 12:05:43,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:43,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:43,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242686296] [2020-10-16 12:05:43,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:43,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:05:43,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402037679] [2020-10-16 12:05:43,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:05:43,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:43,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:05:43,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:05:43,523 INFO L87 Difference]: Start difference. First operand 142 states and 329 transitions. Second operand 4 states. [2020-10-16 12:05:43,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:43,559 INFO L93 Difference]: Finished difference Result 108 states and 206 transitions. [2020-10-16 12:05:43,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:05:43,559 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-16 12:05:43,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:43,560 INFO L225 Difference]: With dead ends: 108 [2020-10-16 12:05:43,561 INFO L226 Difference]: Without dead ends: 78 [2020-10-16 12:05:43,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:05:43,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-16 12:05:43,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-10-16 12:05:43,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-16 12:05:43,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 137 transitions. [2020-10-16 12:05:43,567 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 137 transitions. Word has length 10 [2020-10-16 12:05:43,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:43,567 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 137 transitions. [2020-10-16 12:05:43,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:05:43,567 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 137 transitions. [2020-10-16 12:05:43,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:05:43,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:43,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:43,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:05:43,569 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:43,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:43,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1171403676, now seen corresponding path program 1 times [2020-10-16 12:05:43,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:43,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250653404] [2020-10-16 12:05:43,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:43,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:43,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250653404] [2020-10-16 12:05:43,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:43,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:05:43,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263609816] [2020-10-16 12:05:43,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:05:43,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:43,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:05:43,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:05:43,854 INFO L87 Difference]: Start difference. First operand 78 states and 137 transitions. Second operand 5 states. [2020-10-16 12:05:43,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:43,899 INFO L93 Difference]: Finished difference Result 56 states and 91 transitions. [2020-10-16 12:05:43,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:05:43,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-16 12:05:43,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:43,901 INFO L225 Difference]: With dead ends: 56 [2020-10-16 12:05:43,901 INFO L226 Difference]: Without dead ends: 46 [2020-10-16 12:05:43,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:05:43,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-16 12:05:43,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-10-16 12:05:43,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-16 12:05:43,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 73 transitions. [2020-10-16 12:05:43,905 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 73 transitions. Word has length 13 [2020-10-16 12:05:43,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:43,905 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 73 transitions. [2020-10-16 12:05:43,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:05:43,906 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2020-10-16 12:05:43,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 12:05:43,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:43,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:43,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:05:43,907 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:43,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:43,907 INFO L82 PathProgramCache]: Analyzing trace with hash 209259829, now seen corresponding path program 1 times [2020-10-16 12:05:43,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:43,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108516997] [2020-10-16 12:05:43,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:44,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:44,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108516997] [2020-10-16 12:05:44,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:44,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:05:44,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816283648] [2020-10-16 12:05:44,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:05:44,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:44,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:05:44,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:05:44,117 INFO L87 Difference]: Start difference. First operand 46 states and 73 transitions. Second operand 6 states. [2020-10-16 12:05:44,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:44,263 INFO L93 Difference]: Finished difference Result 68 states and 102 transitions. [2020-10-16 12:05:44,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:05:44,264 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-16 12:05:44,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:44,265 INFO L225 Difference]: With dead ends: 68 [2020-10-16 12:05:44,265 INFO L226 Difference]: Without dead ends: 49 [2020-10-16 12:05:44,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:05:44,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-16 12:05:44,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 36. [2020-10-16 12:05:44,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-16 12:05:44,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 53 transitions. [2020-10-16 12:05:44,270 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 53 transitions. Word has length 17 [2020-10-16 12:05:44,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:44,270 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 53 transitions. [2020-10-16 12:05:44,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:05:44,271 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2020-10-16 12:05:44,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 12:05:44,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:44,272 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:44,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:05:44,272 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:44,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:44,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1245449453, now seen corresponding path program 2 times [2020-10-16 12:05:44,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:44,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320048809] [2020-10-16 12:05:44,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:05:44,322 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:05:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:05:44,371 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:05:44,412 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:05:44,412 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:05:44,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:05:44,440 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,440 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,442 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,442 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,442 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,443 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,443 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,443 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,443 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,443 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,443 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,444 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,444 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,444 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,444 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,445 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,445 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,445 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,445 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,445 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,446 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,446 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,446 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,446 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,446 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,447 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,447 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,447 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,447 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,447 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,448 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,448 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,448 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,448 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,448 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,448 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,449 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,449 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,449 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,449 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,449 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,449 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,450 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,450 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,450 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,450 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,451 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,451 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,451 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,451 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,451 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,451 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,452 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,452 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,453 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,453 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,453 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,453 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,453 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,454 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,454 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,454 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,454 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,454 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,455 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:44,455 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:44,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:05:44 BasicIcfg [2020-10-16 12:05:44,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:05:44,528 INFO L168 Benchmark]: Toolchain (without parser) took 7300.92 ms. Allocated memory was 140.5 MB in the beginning and 291.0 MB in the end (delta: 150.5 MB). Free memory was 102.1 MB in the beginning and 177.6 MB in the end (delta: -75.5 MB). Peak memory consumption was 75.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:44,529 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:05:44,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.74 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.7 MB in the beginning and 158.9 MB in the end (delta: -57.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:44,533 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.12 ms. Allocated memory is still 203.9 MB. Free memory was 158.9 MB in the beginning and 156.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:44,533 INFO L168 Benchmark]: Boogie Preprocessor took 39.82 ms. Allocated memory is still 203.9 MB. Free memory was 156.3 MB in the beginning and 154.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:44,535 INFO L168 Benchmark]: RCFGBuilder took 2004.07 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 154.3 MB in the beginning and 199.4 MB in the end (delta: -45.0 MB). Peak memory consumption was 101.9 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:44,537 INFO L168 Benchmark]: TraceAbstraction took 4419.52 ms. Allocated memory was 246.4 MB in the beginning and 291.0 MB in the end (delta: 44.6 MB). Free memory was 199.4 MB in the beginning and 177.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 66.4 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:44,548 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 769.74 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.7 MB in the beginning and 158.9 MB in the end (delta: -57.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 62.12 ms. Allocated memory is still 203.9 MB. Free memory was 158.9 MB in the beginning and 156.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.82 ms. Allocated memory is still 203.9 MB. Free memory was 156.3 MB in the beginning and 154.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2004.07 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 154.3 MB in the beginning and 199.4 MB in the end (delta: -45.0 MB). Peak memory consumption was 101.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4419.52 ms. Allocated memory was 246.4 MB in the beginning and 291.0 MB in the end (delta: 44.6 MB). Free memory was 199.4 MB in the beginning and 177.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 66.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 520 VarBasedMoverChecksPositive, 24 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 46 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.3s, 84 PlacesBefore, 29 PlacesAfterwards, 79 TransitionsBefore, 23 TransitionsAfterwards, 1024 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 67 TotalNumberOfCompositions, 3042 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L697] 0 int __unbuffered_cnt = 0; [L699] 0 int __unbuffered_p1_EAX = 0; [L701] 0 int __unbuffered_p1_EBX = 0; [L702] 0 _Bool main$tmp_guard0; [L703] 0 _Bool main$tmp_guard1; [L705] 0 int x = 0; [L706] 0 _Bool x$flush_delayed; [L707] 0 int x$mem_tmp; [L708] 0 _Bool x$r_buff0_thd0; [L709] 0 _Bool x$r_buff0_thd1; [L710] 0 _Bool x$r_buff0_thd2; [L711] 0 _Bool x$r_buff1_thd0; [L712] 0 _Bool x$r_buff1_thd1; [L713] 0 _Bool x$r_buff1_thd2; [L714] 0 _Bool x$read_delayed; [L715] 0 int *x$read_delayed_var; [L716] 0 int x$w_buff0; [L717] 0 _Bool x$w_buff0_used; [L718] 0 int x$w_buff1; [L719] 0 _Bool x$w_buff1_used; [L721] 0 int y = 0; [L723] 0 int z = 0; [L724] 0 _Bool weak$$choice0; [L725] 0 _Bool weak$$choice2; [L804] 0 pthread_t t1609; [L805] FCALL, FORK 0 pthread_create(&t1609, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L729] 1 x$w_buff1 = x$w_buff0 [L730] 1 x$w_buff0 = 1 [L731] 1 x$w_buff1_used = x$w_buff0_used [L732] 1 x$w_buff0_used = (_Bool)1 [L7] COND TRUE 1 !expression [L7] 1 __VERIFIER_error() [L734] 1 x$r_buff1_thd0 = x$r_buff0_thd0 [L735] 1 x$r_buff1_thd1 = x$r_buff0_thd1 [L736] 1 x$r_buff1_thd2 = x$r_buff0_thd2 [L737] 1 x$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L740] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L806] 0 pthread_t t1610; [L807] FCALL, FORK 0 pthread_create(&t1610, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L757] 2 y = 2 [L760] 2 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] [L763] 2 __unbuffered_p1_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] [L766] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L767] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L768] 2 x$flush_delayed = weak$$choice2 [L769] 2 x$mem_tmp = x [L770] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L770] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L771] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L771] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0) [L771] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L771] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L772] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L772] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1) [L772] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L772] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L773] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L773] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used) [L773] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L773] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L774] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L774] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L775] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L776] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L776] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L776] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L776] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L777] 2 __unbuffered_p1_EBX = x [L778] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L778] 2 x = x$flush_delayed ? x$mem_tmp : x [L779] 2 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] [L743] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L743] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L743] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L743] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L744] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L744] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L745] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L745] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L746] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L746] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L747] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L747] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L750] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L752] 1 return 0; [L782] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L782] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L782] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L782] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L783] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L783] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L784] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L784] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L785] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L785] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L786] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L786] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L789] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L791] 2 return 0; [L809] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L813] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L813] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L813] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L813] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L814] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L814] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L815] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L815] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L816] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L816] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L817] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L817] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L820] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 110 SDtfs, 89 SDslu, 197 SDs, 0 SdLazy, 93 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 3207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...