/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-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe014_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:15:18,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:15:18,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:15:18,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:15:18,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:15:18,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:15:18,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:15:18,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:15:18,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:15:18,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:15:18,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:15:18,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:15:18,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:15:18,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:15:18,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:15:18,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:15:18,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:15:18,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:15:18,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:15:18,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:15:18,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:15:18,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:15:18,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:15:18,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:15:18,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 02:15:18,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 02:15:18,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 02:15:18,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 02:15:18,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 02:15:18,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 02:15:18,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:15:18,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:15:18,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:15:18,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:15:18,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:15:18,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:15:18,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:15:18,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:15:18,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:15:18,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:15:18,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:15:18,902 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 02:15:18,925 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:15:18,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:15:18,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:15:18,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:15:18,927 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:15:18,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:15:18,928 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:15:18,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:15:18,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:15:18,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:15:18,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:15:18,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:15:18,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:15:18,929 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:15:18,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:15:18,930 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:15:18,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:15:18,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:15:18,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:15:18,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:15:18,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:15:18,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:15:18,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:15:18,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:15:18,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:15:18,932 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:15:18,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:15:18,932 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:15:18,932 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:15:18,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:15:18,932 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:15:19,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:15:19,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:15:19,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:15:19,287 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:15:19,287 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:15:19,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe014_power.oepc.i [2020-10-22 02:15:19,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a349bac86/52d5fbe1243347c3bb3a86a6165d665c/FLAG26f75b770 [2020-10-22 02:15:19,880 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:15:19,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_power.oepc.i [2020-10-22 02:15:19,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a349bac86/52d5fbe1243347c3bb3a86a6165d665c/FLAG26f75b770 [2020-10-22 02:15:20,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a349bac86/52d5fbe1243347c3bb3a86a6165d665c [2020-10-22 02:15:20,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:15:20,225 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:15:20,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:15:20,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:15:20,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:15:20,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:15:20" (1/1) ... [2020-10-22 02:15:20,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2f7a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:15:20, skipping insertion in model container [2020-10-22 02:15:20,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:15:20" (1/1) ... [2020-10-22 02:15:20,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:15:20,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:15:20,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:15:20,918 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:15:20,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:15:21,073 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:15:21,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:15:21 WrapperNode [2020-10-22 02:15:21,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:15:21,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:15:21,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:15:21,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:15:21,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:15:21" (1/1) ... [2020-10-22 02:15:21,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:15:21" (1/1) ... [2020-10-22 02:15:21,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:15:21,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:15:21,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:15:21,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:15:21,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:15:21" (1/1) ... [2020-10-22 02:15:21,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:15:21" (1/1) ... [2020-10-22 02:15:21,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:15:21" (1/1) ... [2020-10-22 02:15:21,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:15:21" (1/1) ... [2020-10-22 02:15:21,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:15:21" (1/1) ... [2020-10-22 02:15:21,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:15:21" (1/1) ... [2020-10-22 02:15:21,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:15:21" (1/1) ... [2020-10-22 02:15:21,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:15:21,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:15:21,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:15:21,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:15:21,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:15:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:15:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 02:15:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:15:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 02:15:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:15:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:15:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 02:15:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 02:15:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 02:15:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 02:15:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-22 02:15:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-22 02:15:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:15:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 02:15:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:15:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:15:21,335 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 02:15:24,131 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:15:24,132 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-22 02:15:24,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:15:24 BoogieIcfgContainer [2020-10-22 02:15:24,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:15:24,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:15:24,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:15:24,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:15:24,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:15:20" (1/3) ... [2020-10-22 02:15:24,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94eda55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:15:24, skipping insertion in model container [2020-10-22 02:15:24,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:15:21" (2/3) ... [2020-10-22 02:15:24,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94eda55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:15:24, skipping insertion in model container [2020-10-22 02:15:24,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:15:24" (3/3) ... [2020-10-22 02:15:24,144 INFO L111 eAbstractionObserver]: Analyzing ICFG safe014_power.oepc.i [2020-10-22 02:15:24,158 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:15:24,158 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:15:24,167 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 02:15:24,169 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:15:24,207 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,208 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,208 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,221 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,221 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,221 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,221 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,221 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,222 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,222 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,222 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,222 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,222 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,222 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,227 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,228 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,229 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,229 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,230 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,230 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,237 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,237 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,243 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,243 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,251 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,252 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,252 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,252 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,252 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:15:24,262 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:15:24,278 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-22 02:15:24,300 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:15:24,301 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:15:24,301 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:15:24,301 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:15:24,301 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:15:24,301 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:15:24,301 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:15:24,301 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:15:24,316 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:15:24,317 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 117 transitions, 249 flow [2020-10-22 02:15:24,321 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 117 transitions, 249 flow [2020-10-22 02:15:24,324 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 124 places, 117 transitions, 249 flow [2020-10-22 02:15:24,385 INFO L129 PetriNetUnfolder]: 3/114 cut-off events. [2020-10-22 02:15:24,386 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 02:15:24,391 INFO L80 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 114 events. 3/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 63 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2020-10-22 02:15:24,395 INFO L116 LiptonReduction]: Number of co-enabled transitions 1562 [2020-10-22 02:15:29,287 WARN L193 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 406 DAG size of output: 364 [2020-10-22 02:15:29,352 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-22 02:15:29,352 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 02:15:29,376 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 5, 2, 4, 2, 4, 3, 3, 2, 1] term [2020-10-22 02:15:29,377 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 02:15:29,378 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 2, 2, 3, 3, 3, 2, 1] term [2020-10-22 02:15:29,379 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 02:15:29,380 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 3, 3, 3, 2, 1] term [2020-10-22 02:15:29,381 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 02:15:29,382 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 3, 2, 1] term [2020-10-22 02:15:29,382 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 02:15:29,384 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-10-22 02:15:29,384 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 02:15:30,768 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 198 DAG size of output: 174 [2020-10-22 02:15:31,359 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 72 [2020-10-22 02:15:31,372 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 4, 2, 1] term [2020-10-22 02:15:31,372 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 02:15:31,374 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-10-22 02:15:31,374 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 02:15:31,481 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-22 02:15:31,981 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-22 02:15:32,109 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-22 02:15:32,844 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2020-10-22 02:15:33,400 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-10-22 02:15:33,646 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2020-10-22 02:15:34,018 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-22 02:15:34,151 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-22 02:15:35,181 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 159 [2020-10-22 02:15:35,568 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-22 02:15:35,584 INFO L131 LiptonReduction]: Checked pairs total: 4092 [2020-10-22 02:15:35,585 INFO L133 LiptonReduction]: Total number of compositions: 114 [2020-10-22 02:15:35,592 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 23 transitions, 61 flow [2020-10-22 02:15:35,627 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 442 states. [2020-10-22 02:15:35,629 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states. [2020-10-22 02:15:35,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 02:15:35,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:15:35,639 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:15:35,640 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:15:35,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:15:35,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1086453368, now seen corresponding path program 1 times [2020-10-22 02:15:35,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:15:35,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330029696] [2020-10-22 02:15:35,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:15:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:15:35,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:15:35,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330029696] [2020-10-22 02:15:35,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:15:35,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 02:15:35,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1235317746] [2020-10-22 02:15:35,945 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:15:35,949 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:15:35,968 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-22 02:15:35,969 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:15:35,974 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:15:35,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:15:35,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:15:35,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:15:35,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:15:35,997 INFO L87 Difference]: Start difference. First operand 442 states. Second operand 3 states. [2020-10-22 02:15:36,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:15:36,037 INFO L93 Difference]: Finished difference Result 426 states and 1280 transitions. [2020-10-22 02:15:36,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:15:36,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-22 02:15:36,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:15:36,056 INFO L225 Difference]: With dead ends: 426 [2020-10-22 02:15:36,057 INFO L226 Difference]: Without dead ends: 346 [2020-10-22 02:15:36,058 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 [2020-10-22 02:15:36,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-10-22 02:15:36,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2020-10-22 02:15:36,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-10-22 02:15:36,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 1016 transitions. [2020-10-22 02:15:36,135 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 1016 transitions. Word has length 9 [2020-10-22 02:15:36,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:15:36,136 INFO L481 AbstractCegarLoop]: Abstraction has 346 states and 1016 transitions. [2020-10-22 02:15:36,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:15:36,137 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 1016 transitions. [2020-10-22 02:15:36,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 02:15:36,142 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:15:36,142 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:15:36,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:15:36,142 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:15:36,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:15:36,143 INFO L82 PathProgramCache]: Analyzing trace with hash -679684626, now seen corresponding path program 1 times [2020-10-22 02:15:36,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:15:36,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553529850] [2020-10-22 02:15:36,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:15:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:15:36,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:15:36,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553529850] [2020-10-22 02:15:36,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:15:36,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:15:36,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [147786548] [2020-10-22 02:15:36,230 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:15:36,231 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:15:36,234 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 14 transitions. [2020-10-22 02:15:36,234 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:15:36,292 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:15:36,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:15:36,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:15:36,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:15:36,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:15:36,295 INFO L87 Difference]: Start difference. First operand 346 states and 1016 transitions. Second operand 4 states. [2020-10-22 02:15:36,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:15:36,332 INFO L93 Difference]: Finished difference Result 474 states and 1368 transitions. [2020-10-22 02:15:36,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:15:36,333 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-22 02:15:36,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:15:36,336 INFO L225 Difference]: With dead ends: 474 [2020-10-22 02:15:36,336 INFO L226 Difference]: Without dead ends: 282 [2020-10-22 02:15:36,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:15:36,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-22 02:15:36,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-10-22 02:15:36,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-10-22 02:15:36,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 796 transitions. [2020-10-22 02:15:36,362 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 796 transitions. Word has length 10 [2020-10-22 02:15:36,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:15:36,365 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 796 transitions. [2020-10-22 02:15:36,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:15:36,365 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 796 transitions. [2020-10-22 02:15:36,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 02:15:36,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:15:36,367 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:15:36,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 02:15:36,370 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:15:36,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:15:36,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1184734910, now seen corresponding path program 1 times [2020-10-22 02:15:36,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:15:36,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490326756] [2020-10-22 02:15:36,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:15:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:15:36,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:15:36,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490326756] [2020-10-22 02:15:36,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:15:36,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:15:36,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2102845628] [2020-10-22 02:15:36,479 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:15:36,480 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:15:36,485 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 23 transitions. [2020-10-22 02:15:36,486 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:15:36,565 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:15:36,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:15:36,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:15:36,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:15:36,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:15:36,566 INFO L87 Difference]: Start difference. First operand 282 states and 796 transitions. Second operand 4 states. [2020-10-22 02:15:36,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:15:36,602 INFO L93 Difference]: Finished difference Result 362 states and 996 transitions. [2020-10-22 02:15:36,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:15:36,603 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-22 02:15:36,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:15:36,605 INFO L225 Difference]: With dead ends: 362 [2020-10-22 02:15:36,605 INFO L226 Difference]: Without dead ends: 218 [2020-10-22 02:15:36,605 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:15:36,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-10-22 02:15:36,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2020-10-22 02:15:36,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-22 02:15:36,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 576 transitions. [2020-10-22 02:15:36,617 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 576 transitions. Word has length 11 [2020-10-22 02:15:36,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:15:36,618 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 576 transitions. [2020-10-22 02:15:36,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:15:36,618 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 576 transitions. [2020-10-22 02:15:36,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 02:15:36,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:15:36,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:15:36,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 02:15:36,620 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:15:36,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:15:36,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1944741336, now seen corresponding path program 1 times [2020-10-22 02:15:36,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:15:36,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924365289] [2020-10-22 02:15:36,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:15:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:15:36,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:15:36,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924365289] [2020-10-22 02:15:36,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:15:36,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:15:36,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1726206336] [2020-10-22 02:15:36,697 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:15:36,699 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:15:36,702 INFO L252 McrAutomatonBuilder]: Finished intersection with 23 states and 32 transitions. [2020-10-22 02:15:36,702 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:15:36,920 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:15:36,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:15:36,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:15:36,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:15:36,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:15:36,921 INFO L87 Difference]: Start difference. First operand 218 states and 576 transitions. Second operand 4 states. [2020-10-22 02:15:36,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:15:36,948 INFO L93 Difference]: Finished difference Result 210 states and 550 transitions. [2020-10-22 02:15:36,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:15:36,949 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-22 02:15:36,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:15:36,951 INFO L225 Difference]: With dead ends: 210 [2020-10-22 02:15:36,951 INFO L226 Difference]: Without dead ends: 210 [2020-10-22 02:15:36,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:15:36,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-10-22 02:15:36,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2020-10-22 02:15:36,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-10-22 02:15:36,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 550 transitions. [2020-10-22 02:15:36,960 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 550 transitions. Word has length 12 [2020-10-22 02:15:36,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:15:36,960 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 550 transitions. [2020-10-22 02:15:36,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:15:36,960 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 550 transitions. [2020-10-22 02:15:36,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 02:15:36,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:15:36,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:15:36,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 02:15:36,963 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:15:36,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:15:36,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1481514977, now seen corresponding path program 1 times [2020-10-22 02:15:36,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:15:36,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651248382] [2020-10-22 02:15:36,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:15:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:15:37,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:15:37,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651248382] [2020-10-22 02:15:37,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:15:37,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 02:15:37,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1503360789] [2020-10-22 02:15:37,249 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:15:37,253 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:15:37,259 INFO L252 McrAutomatonBuilder]: Finished intersection with 34 states and 58 transitions. [2020-10-22 02:15:37,260 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:15:37,443 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,448 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:15:37,455 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:15:37,464 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:15:37,487 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,489 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,491 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:15:37,492 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,494 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,568 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 2, 3, 2, 2, 3, 3, 2, 1] term [2020-10-22 02:15:37,569 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,570 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 2, 3, 3, 3, 2, 1] term [2020-10-22 02:15:37,570 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,571 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 2, 3, 2, 1] term [2020-10-22 02:15:37,571 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,573 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 3, 3, 2, 1] term [2020-10-22 02:15:37,574 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,575 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 3, 2, 1] term [2020-10-22 02:15:37,575 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,576 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 2, 3, 2, 1] term [2020-10-22 02:15:37,576 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,577 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 2, 3, 2, 1] term [2020-10-22 02:15:37,577 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,578 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,583 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:15:37,592 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:15:37,607 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:15:37,628 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,657 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,659 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,686 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,687 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,688 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,690 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:15:37,694 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:15:37,700 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:15:37,705 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-22 02:15:37,707 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:15:37,739 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-22 02:15:37,757 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:15:37,767 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,768 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:15:37,772 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:15:37,863 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-10-22 02:15:37,868 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:37,868 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,035 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 2, 3, 2, 2, 3, 3, 2, 1] term [2020-10-22 02:15:38,036 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,036 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 2, 3, 2, 1] term [2020-10-22 02:15:38,037 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,039 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 2, 3, 3, 3, 2, 1] term [2020-10-22 02:15:38,039 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,040 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 3, 3, 2, 1] term [2020-10-22 02:15:38,040 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,042 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 3, 2, 1] term [2020-10-22 02:15:38,043 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,043 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 2, 3, 2, 1] term [2020-10-22 02:15:38,044 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,044 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 2, 3, 2, 1] term [2020-10-22 02:15:38,045 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,045 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,050 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:15:38,068 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:15:38,078 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:15:38,096 INFO L603 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-10-22 02:15:38,097 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,101 INFO L603 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-10-22 02:15:38,126 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,126 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,129 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,129 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,130 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,134 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,138 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,139 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,162 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,165 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,170 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,171 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:15:38,178 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:15:38,180 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:15:38,182 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:15:38,183 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-22 02:15:38,184 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:15:38,193 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-22 02:15:38,200 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:15:38,214 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:38,215 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:15:38,218 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:15:38,290 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 02:15:38,514 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 19 [2020-10-22 02:15:38,521 INFO L603 QuantifierPusher]: Distributing 5 disjuncts over 3 conjuncts [2020-10-22 02:15:38,534 INFO L603 QuantifierPusher]: Distributing 5 disjuncts over 3 conjuncts [2020-10-22 02:15:38,821 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [4622#(and (= ~y$r_buff1_thd0~0 0) (= (mod ~y$w_buff0_used~0 256) 0) (not (= (select (select |#memory_int| |~#y~0.base|) |~#y~0.offset|) 1)) (= ~y$r_buff0_thd0~0 0)), 4623#(and (= ~y$r_buff1_thd0~0 0) (= (mod ~y$w_buff0_used~0 256) 0) (= (select (select |#memory_int| |~#y~0.base|) |~#y~0.offset|) 0) (= ~y$r_buff0_thd0~0 0) (= ~__unbuffered_cnt~0 0))] [2020-10-22 02:15:38,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 02:15:38,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:15:38,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 02:15:38,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-22 02:15:38,823 INFO L87 Difference]: Start difference. First operand 210 states and 550 transitions. Second operand 9 states. [2020-10-22 02:15:39,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:15:39,095 INFO L93 Difference]: Finished difference Result 233 states and 587 transitions. [2020-10-22 02:15:39,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:15:39,096 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-10-22 02:15:39,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:15:39,099 INFO L225 Difference]: With dead ends: 233 [2020-10-22 02:15:39,099 INFO L226 Difference]: Without dead ends: 233 [2020-10-22 02:15:39,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-22 02:15:39,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-10-22 02:15:39,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2020-10-22 02:15:39,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-22 02:15:39,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 587 transitions. [2020-10-22 02:15:39,108 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 587 transitions. Word has length 13 [2020-10-22 02:15:39,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:15:39,109 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 587 transitions. [2020-10-22 02:15:39,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 02:15:39,109 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 587 transitions. [2020-10-22 02:15:39,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 02:15:39,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:15:39,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:15:39,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 02:15:39,111 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:15:39,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:15:39,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1317678309, now seen corresponding path program 1 times [2020-10-22 02:15:39,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:15:39,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518810264] [2020-10-22 02:15:39,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:15:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:15:39,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:15:39,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518810264] [2020-10-22 02:15:39,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:15:39,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:15:39,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [997726304] [2020-10-22 02:15:39,285 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:15:39,287 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:15:39,298 INFO L252 McrAutomatonBuilder]: Finished intersection with 35 states and 59 transitions. [2020-10-22 02:15:39,298 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:15:39,446 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:15:39,579 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 182 [2020-10-22 02:15:39,724 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:15:39,887 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 183 [2020-10-22 02:15:39,973 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [5331#(= (mod ~main$tmp_guard0~0 256) 0), 5332#(not (= 3 ~__unbuffered_cnt~0))] [2020-10-22 02:15:39,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 02:15:39,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:15:39,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 02:15:39,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-22 02:15:39,974 INFO L87 Difference]: Start difference. First operand 233 states and 587 transitions. Second operand 6 states. [2020-10-22 02:15:40,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:15:40,050 INFO L93 Difference]: Finished difference Result 188 states and 417 transitions. [2020-10-22 02:15:40,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:15:40,054 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-22 02:15:40,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:15:40,057 INFO L225 Difference]: With dead ends: 188 [2020-10-22 02:15:40,058 INFO L226 Difference]: Without dead ends: 134 [2020-10-22 02:15:40,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-22 02:15:40,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-22 02:15:40,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-10-22 02:15:40,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-22 02:15:40,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 270 transitions. [2020-10-22 02:15:40,068 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 270 transitions. Word has length 14 [2020-10-22 02:15:40,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:15:40,069 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 270 transitions. [2020-10-22 02:15:40,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 02:15:40,069 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 270 transitions. [2020-10-22 02:15:40,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-22 02:15:40,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:15:40,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:15:40,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 02:15:40,072 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:15:40,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:15:40,073 INFO L82 PathProgramCache]: Analyzing trace with hash -889299777, now seen corresponding path program 1 times [2020-10-22 02:15:40,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:15:40,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679228495] [2020-10-22 02:15:40,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:15:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:15:40,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:15:40,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679228495] [2020-10-22 02:15:40,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:15:40,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 02:15:40,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [293700120] [2020-10-22 02:15:40,320 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:15:40,323 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:15:40,337 INFO L252 McrAutomatonBuilder]: Finished intersection with 41 states and 68 transitions. [2020-10-22 02:15:40,338 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:15:40,354 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:15:40,359 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:15:40,360 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:15:40,362 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:15:40,366 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:15:40,368 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:15:40,372 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:15:40,374 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:15:40,553 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2020-10-22 02:15:40,700 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 47 [2020-10-22 02:15:40,862 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-10-22 02:15:41,027 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-10-22 02:15:41,273 INFO L603 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-10-22 02:15:41,289 INFO L603 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-10-22 02:15:41,300 INFO L603 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-10-22 02:15:41,523 INFO L603 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-10-22 02:15:41,539 INFO L603 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-10-22 02:15:41,801 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [5799#(and (not (= ~__unbuffered_p0_EAX~0 1)) (or (and (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= (mod ~y$w_buff0_used~0 256) 0))) (not (and (= (select (select |#memory_int| |~#y~0.base|) |~#y~0.offset|) 1) (= ~__unbuffered_p0_EAX$read_delayed_var~0.offset |~#y~0.offset|) (= ~__unbuffered_p0_EAX$read_delayed_var~0.base |~#y~0.base|)))) (or (= (mod ~y$r_buff0_thd0~0 256) 0) (= (mod ~y$w_buff0_used~0 256) 0) (not (or (and (= ~__unbuffered_p0_EAX$read_delayed_var~0.offset |~#y~0.offset|) (= ~__unbuffered_p0_EAX$read_delayed_var~0.base |~#y~0.base|) (= ~y$w_buff0~0 1)) (and (= (select (select |#memory_int| ~__unbuffered_p0_EAX$read_delayed_var~0.base) ~__unbuffered_p0_EAX$read_delayed_var~0.offset) 1) (not (and (= ~__unbuffered_p0_EAX$read_delayed_var~0.offset |~#y~0.offset|) (= ~__unbuffered_p0_EAX$read_delayed_var~0.base |~#y~0.base|))))))) (or (and (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= (mod ~y$w_buff0_used~0 256) 0))) (not (or (and (= ~y$w_buff1~0 1) (= ~__unbuffered_p0_EAX$read_delayed_var~0.offset |~#y~0.offset|) (= ~__unbuffered_p0_EAX$read_delayed_var~0.base |~#y~0.base|)) (and (= (select (select |#memory_int| ~__unbuffered_p0_EAX$read_delayed_var~0.base) ~__unbuffered_p0_EAX$read_delayed_var~0.offset) 1) (not (and (= ~__unbuffered_p0_EAX$read_delayed_var~0.offset |~#y~0.offset|) (= ~__unbuffered_p0_EAX$read_delayed_var~0.base |~#y~0.base|))))))))] [2020-10-22 02:15:41,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 02:15:41,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:15:41,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 02:15:41,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:15:41,803 INFO L87 Difference]: Start difference. First operand 134 states and 270 transitions. Second operand 7 states. [2020-10-22 02:15:41,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:15:41,937 INFO L93 Difference]: Finished difference Result 133 states and 268 transitions. [2020-10-22 02:15:41,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:15:41,938 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-10-22 02:15:41,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:15:41,939 INFO L225 Difference]: With dead ends: 133 [2020-10-22 02:15:41,939 INFO L226 Difference]: Without dead ends: 133 [2020-10-22 02:15:41,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-22 02:15:41,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-22 02:15:41,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 114. [2020-10-22 02:15:41,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-22 02:15:41,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 237 transitions. [2020-10-22 02:15:41,948 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 237 transitions. Word has length 16 [2020-10-22 02:15:41,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:15:41,948 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 237 transitions. [2020-10-22 02:15:41,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 02:15:41,948 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 237 transitions. [2020-10-22 02:15:41,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 02:15:41,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:15:41,950 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:15:41,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 02:15:41,950 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:15:41,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:15:41,950 INFO L82 PathProgramCache]: Analyzing trace with hash 230889807, now seen corresponding path program 1 times [2020-10-22 02:15:41,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:15:41,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712035601] [2020-10-22 02:15:41,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:15:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:15:42,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:15:42,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712035601] [2020-10-22 02:15:42,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:15:42,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:15:42,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [349016987] [2020-10-22 02:15:42,056 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:15:42,062 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:15:42,075 INFO L252 McrAutomatonBuilder]: Finished intersection with 43 states and 73 transitions. [2020-10-22 02:15:42,075 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:15:42,469 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:15:42,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:15:42,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:15:42,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:15:42,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:15:42,470 INFO L87 Difference]: Start difference. First operand 114 states and 237 transitions. Second operand 4 states. [2020-10-22 02:15:42,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:15:42,511 INFO L93 Difference]: Finished difference Result 158 states and 316 transitions. [2020-10-22 02:15:42,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:15:42,512 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-22 02:15:42,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:15:42,514 INFO L225 Difference]: With dead ends: 158 [2020-10-22 02:15:42,514 INFO L226 Difference]: Without dead ends: 116 [2020-10-22 02:15:42,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:15:42,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-10-22 02:15:42,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2020-10-22 02:15:42,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-22 02:15:42,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 221 transitions. [2020-10-22 02:15:42,518 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 221 transitions. Word has length 17 [2020-10-22 02:15:42,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:15:42,519 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 221 transitions. [2020-10-22 02:15:42,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:15:42,519 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 221 transitions. [2020-10-22 02:15:42,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 02:15:42,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:15:42,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:15:42,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 02:15:42,520 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:15:42,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:15:42,521 INFO L82 PathProgramCache]: Analyzing trace with hash -383695353, now seen corresponding path program 1 times [2020-10-22 02:15:42,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:15:42,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973955647] [2020-10-22 02:15:42,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:15:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:15:42,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:15:42,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973955647] [2020-10-22 02:15:42,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:15:42,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 02:15:42,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [356496483] [2020-10-22 02:15:42,639 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:15:42,642 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:15:42,654 INFO L252 McrAutomatonBuilder]: Finished intersection with 36 states and 57 transitions. [2020-10-22 02:15:42,654 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:15:42,996 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [6562#(<= ~__unbuffered_cnt~0 0)] [2020-10-22 02:15:42,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 02:15:42,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:15:42,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 02:15:42,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:15:42,997 INFO L87 Difference]: Start difference. First operand 114 states and 221 transitions. Second operand 7 states. [2020-10-22 02:15:43,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:15:43,072 INFO L93 Difference]: Finished difference Result 102 states and 196 transitions. [2020-10-22 02:15:43,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:15:43,073 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-10-22 02:15:43,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:15:43,074 INFO L225 Difference]: With dead ends: 102 [2020-10-22 02:15:43,074 INFO L226 Difference]: Without dead ends: 65 [2020-10-22 02:15:43,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-22 02:15:43,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-22 02:15:43,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-22 02:15:43,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-22 02:15:43,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 123 transitions. [2020-10-22 02:15:43,079 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 123 transitions. Word has length 17 [2020-10-22 02:15:43,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:15:43,079 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 123 transitions. [2020-10-22 02:15:43,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 02:15:43,079 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 123 transitions. [2020-10-22 02:15:43,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-22 02:15:43,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:15:43,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:15:43,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 02:15:43,080 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:15:43,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:15:43,081 INFO L82 PathProgramCache]: Analyzing trace with hash -744359705, now seen corresponding path program 1 times [2020-10-22 02:15:43,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:15:43,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269280883] [2020-10-22 02:15:43,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:15:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:15:43,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:15:43,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269280883] [2020-10-22 02:15:43,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:15:43,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:15:43,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1083702458] [2020-10-22 02:15:43,141 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:15:43,145 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:15:43,156 INFO L252 McrAutomatonBuilder]: Finished intersection with 35 states and 50 transitions. [2020-10-22 02:15:43,156 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:15:43,347 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:15:43,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:15:43,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:15:43,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:15:43,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:15:43,349 INFO L87 Difference]: Start difference. First operand 65 states and 123 transitions. Second operand 4 states. [2020-10-22 02:15:43,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:15:43,371 INFO L93 Difference]: Finished difference Result 101 states and 190 transitions. [2020-10-22 02:15:43,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:15:43,372 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-10-22 02:15:43,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:15:43,373 INFO L225 Difference]: With dead ends: 101 [2020-10-22 02:15:43,373 INFO L226 Difference]: Without dead ends: 59 [2020-10-22 02:15:43,374 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:15:43,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-22 02:15:43,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-22 02:15:43,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-22 02:15:43,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 107 transitions. [2020-10-22 02:15:43,377 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 107 transitions. Word has length 19 [2020-10-22 02:15:43,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:15:43,377 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 107 transitions. [2020-10-22 02:15:43,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:15:43,377 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 107 transitions. [2020-10-22 02:15:43,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-22 02:15:43,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:15:43,378 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:15:43,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-22 02:15:43,378 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:15:43,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:15:43,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1675870783, now seen corresponding path program 2 times [2020-10-22 02:15:43,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:15:43,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339186123] [2020-10-22 02:15:43,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:15:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:15:43,437 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:15:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:15:43,495 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:15:43,543 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 02:15:43,543 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 02:15:43,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-22 02:15:43,544 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-22 02:15:43,564 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1211] [1211] L843-->L851: Formula: (let ((.cse8 (= (mod ~y$r_buff1_thd0~0_In1964979606 256) 0)) (.cse7 (= (mod ~y$w_buff1_used~0_In1964979606 256) 0)) (.cse9 (= (mod ~y$w_buff0_used~0_In1964979606 256) 0)) (.cse10 (= (mod ~y$r_buff0_thd0~0_In1964979606 256) 0))) (let ((.cse5 (not .cse10)) (.cse6 (not .cse9)) (.cse4 (or .cse9 .cse10)) (.cse2 (not .cse7)) (.cse3 (not .cse8)) (.cse1 (or .cse7 .cse8))) (and (= (mod ~main$tmp_guard0~0_In1964979606 256) |ULTIMATE.start_assume_abort_if_not_#in~cond_Out1964979606|) (= ~y$r_buff0_thd0~0_In1964979606 ~y$r_buff0_thd0~0_Out1964979606) (= ULTIMATE.start_assume_abort_if_not_~cond_Out1964979606 |ULTIMATE.start_assume_abort_if_not_#in~cond_Out1964979606|) (let ((.cse0 (select |#memory_int_In1964979606| |~#y~0.base_In1964979606|))) (or (and (or (and (= |#memory_int_Out1964979606| (store |#memory_int_In1964979606| |~#y~0.base_In1964979606| (store .cse0 |~#y~0.offset_In1964979606| (select .cse0 |~#y~0.offset_In1964979606|)))) .cse1) (and .cse2 (= (store |#memory_int_In1964979606| |~#y~0.base_In1964979606| (store .cse0 |~#y~0.offset_In1964979606| ~y$w_buff1~0_In1964979606)) |#memory_int_Out1964979606|) .cse3)) .cse4) (and .cse5 (= |#memory_int_Out1964979606| (store |#memory_int_In1964979606| |~#y~0.base_In1964979606| (store .cse0 |~#y~0.offset_In1964979606| ~y$w_buff0~0_In1964979606))) .cse6))) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out1964979606 0)) (or (and .cse5 (= ~y$w_buff0_used~0_Out1964979606 0) .cse6) (and (= ~y$w_buff0_used~0_In1964979606 ~y$w_buff0_used~0_Out1964979606) .cse4)) (= ~y$r_buff1_thd0~0_Out1964979606 ~y$r_buff1_thd0~0_In1964979606) (or (and .cse2 (= ~y$w_buff1_used~0_Out1964979606 0) .cse3) (and (= ~y$w_buff1_used~0_Out1964979606 ~y$w_buff1_used~0_In1964979606) .cse1))))) InVars {~#y~0.offset=|~#y~0.offset_In1964979606|, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1964979606, ~y$w_buff1~0=~y$w_buff1~0_In1964979606, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In1964979606, ~y$w_buff0~0=~y$w_buff0~0_In1964979606, #memory_int=|#memory_int_In1964979606|, ~#y~0.base=|~#y~0.base_In1964979606|, ~main$tmp_guard0~0=~main$tmp_guard0~0_In1964979606, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In1964979606, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1964979606} OutVars{~#y~0.offset=|~#y~0.offset_In1964979606|, ~y$w_buff0_used~0=~y$w_buff0_used~0_Out1964979606, ULTIMATE.start_main_#t~mem64=|ULTIMATE.start_main_#t~mem64_Out1964979606|, ULTIMATE.start_main_#t~ite68=|ULTIMATE.start_main_#t~ite68_Out1964979606|, ULTIMATE.start_main_#t~ite69=|ULTIMATE.start_main_#t~ite69_Out1964979606|, ~#y~0.base=|~#y~0.base_In1964979606|, ~main$tmp_guard0~0=~main$tmp_guard0~0_In1964979606, ULTIMATE.start_main_#t~ite66=|ULTIMATE.start_main_#t~ite66_Out1964979606|, ULTIMATE.start_main_#t~ite67=|ULTIMATE.start_main_#t~ite67_Out1964979606|, ULTIMATE.start_main_#t~ite65=|ULTIMATE.start_main_#t~ite65_Out1964979606|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_Out1964979606|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out1964979606, ~y$w_buff1~0=~y$w_buff1~0_In1964979606, ULTIMATE.start_main_#t~ite70=|ULTIMATE.start_main_#t~ite70_Out1964979606|, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out1964979606, ~y$w_buff0~0=~y$w_buff0~0_In1964979606, #memory_int=|#memory_int_Out1964979606|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out1964979606, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out1964979606} AuxVars[] AssignedVars[~y$w_buff0_used~0, ULTIMATE.start_main_#t~mem64, ULTIMATE.start_main_#t~ite68, ULTIMATE.start_main_#t~ite69, ULTIMATE.start_main_#t~ite66, ULTIMATE.start_main_#t~ite67, ULTIMATE.start_main_#t~ite65, ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~ite70, ~y$r_buff0_thd0~0, #memory_int, ~y$r_buff1_thd0~0, ~y$w_buff1_used~0] because there is no mapped edge [2020-10-22 02:15:43,572 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,572 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,573 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,573 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,573 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,573 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,573 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,574 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,574 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,574 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,574 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,574 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,574 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,575 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,575 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,575 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,575 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,575 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,576 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,576 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,576 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,576 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,578 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,578 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,578 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,578 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,579 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,579 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,579 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,579 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,579 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,579 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,579 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,580 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,580 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:15:43,581 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:15:43,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:15:43 BasicIcfg [2020-10-22 02:15:43,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 02:15:43,675 INFO L168 Benchmark]: Toolchain (without parser) took 23454.94 ms. Allocated memory was 140.0 MB in the beginning and 487.1 MB in the end (delta: 347.1 MB). Free memory was 101.3 MB in the beginning and 235.2 MB in the end (delta: -133.9 MB). Peak memory consumption was 213.2 MB. Max. memory is 7.1 GB. [2020-10-22 02:15:43,675 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 02:15:43,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 849.42 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 100.5 MB in the beginning and 153.5 MB in the end (delta: -53.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-10-22 02:15:43,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.33 ms. Allocated memory is still 201.9 MB. Free memory was 153.5 MB in the beginning and 151.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:15:43,678 INFO L168 Benchmark]: Boogie Preprocessor took 70.27 ms. Allocated memory is still 201.9 MB. Free memory was 150.8 MB in the beginning and 148.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-22 02:15:43,678 INFO L168 Benchmark]: RCFGBuilder took 2924.64 ms. Allocated memory was 201.9 MB in the beginning and 247.5 MB in the end (delta: 45.6 MB). Free memory was 148.2 MB in the beginning and 176.6 MB in the end (delta: -28.4 MB). Peak memory consumption was 107.1 MB. Max. memory is 7.1 GB. [2020-10-22 02:15:43,683 INFO L168 Benchmark]: TraceAbstraction took 19536.71 ms. Allocated memory was 247.5 MB in the beginning and 487.1 MB in the end (delta: 239.6 MB). Free memory was 176.6 MB in the beginning and 235.2 MB in the end (delta: -58.6 MB). Peak memory consumption was 181.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:15:43,688 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 849.42 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 100.5 MB in the beginning and 153.5 MB in the end (delta: -53.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.33 ms. Allocated memory is still 201.9 MB. Free memory was 153.5 MB in the beginning and 151.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.27 ms. Allocated memory is still 201.9 MB. Free memory was 150.8 MB in the beginning and 148.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2924.64 ms. Allocated memory was 201.9 MB in the beginning and 247.5 MB in the end (delta: 45.6 MB). Free memory was 148.2 MB in the beginning and 176.6 MB in the end (delta: -28.4 MB). Peak memory consumption was 107.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19536.71 ms. Allocated memory was 247.5 MB in the beginning and 487.1 MB in the end (delta: 239.6 MB). Free memory was 176.6 MB in the beginning and 235.2 MB in the end (delta: -58.6 MB). Peak memory consumption was 181.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 834 VarBasedMoverChecksPositive, 40 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 61 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 11.2s, 124 PlacesBefore, 33 PlacesAfterwards, 117 TransitionsBefore, 23 TransitionsAfterwards, 1562 CoEnabledTransitionPairs, 7 FixpointIterations, 54 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 3 ChoiceCompositions, 114 TotalNumberOfCompositions, 4092 MoverChecksTotal - CounterExampleResult [Line: 18]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L713] 0 _Bool __unbuffered_p0_EAX$flush_delayed; [L714] 0 int __unbuffered_p0_EAX$mem_tmp; [L715] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd0; [L716] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd1; [L717] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd2; [L718] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd3; [L719] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd0; [L720] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd1; [L721] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd2; [L722] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd3; [L723] 0 _Bool __unbuffered_p0_EAX$read_delayed; [L724] 0 int *__unbuffered_p0_EAX$read_delayed_var; [L725] 0 int __unbuffered_p0_EAX$w_buff0; [L726] 0 _Bool __unbuffered_p0_EAX$w_buff0_used; [L727] 0 int __unbuffered_p0_EAX$w_buff1; [L728] 0 _Bool __unbuffered_p0_EAX$w_buff1_used; [L730] 0 int __unbuffered_p0_EBX = 0; [L732] 0 int __unbuffered_p2_EAX = 0; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L738] 0 int y = 0; [L739] 0 _Bool y$flush_delayed; [L740] 0 int y$mem_tmp; [L741] 0 _Bool y$r_buff0_thd0; [L742] 0 _Bool y$r_buff0_thd1; [L743] 0 _Bool y$r_buff0_thd2; [L744] 0 _Bool y$r_buff0_thd3; [L745] 0 _Bool y$r_buff1_thd0; [L746] 0 _Bool y$r_buff1_thd1; [L747] 0 _Bool y$r_buff1_thd2; [L748] 0 _Bool y$r_buff1_thd3; [L749] 0 _Bool y$read_delayed; [L750] 0 int *y$read_delayed_var; [L751] 0 int y$w_buff0; [L752] 0 _Bool y$w_buff0_used; [L753] 0 int y$w_buff1; [L754] 0 _Bool y$w_buff1_used; [L755] 0 _Bool weak$$choice0; [L756] 0 _Bool weak$$choice1; [L757] 0 _Bool weak$$choice2; [L835] 0 pthread_t t2097; [L836] FCALL, FORK 0 pthread_create(&t2097, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L837] 0 pthread_t t2098; [L838] FCALL, FORK 0 pthread_create(&t2098, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L839] 0 pthread_t t2099; [L761] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L762] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L763] 1 y$flush_delayed = weak$$choice2 [L764] EXPR 1 \read(y) [L764] 1 y$mem_tmp = y [L765] 1 weak$$choice1 = __VERIFIER_nondet_bool() [L766] EXPR 1 !y$w_buff0_used ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y : (weak$$choice1 ? y$w_buff0 : y$w_buff1)) : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y$w_buff1 : y$w_buff0) : (weak$$choice0 ? y$w_buff0 : y)))) [L766] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y : (weak$$choice1 ? y$w_buff0 : y$w_buff1)) : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y$w_buff1 : y$w_buff0) : (weak$$choice0 ? y$w_buff0 : y))) [L766] EXPR 1 !y$w_buff0_used ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y : (weak$$choice1 ? y$w_buff0 : y$w_buff1)) : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y$w_buff1 : y$w_buff0) : (weak$$choice0 ? y$w_buff0 : y)))) [L766] 1 y = !y$w_buff0_used ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y : (weak$$choice1 ? y$w_buff0 : y$w_buff1)) : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y$w_buff1 : y$w_buff0) : (weak$$choice0 ? y$w_buff0 : y)))) [L767] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)))) [L767] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)))) [L768] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)))) [L768] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)))) [L769] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? weak$$choice0 || !weak$$choice1 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? weak$$choice0 : weak$$choice0)))) [L769] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? weak$$choice0 || !weak$$choice1 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? weak$$choice0 : weak$$choice0)))) [L770] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? weak$$choice0 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)))) [L770] EXPR 1 !y$w_buff0_used ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? weak$$choice0 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))) [L770] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? weak$$choice0 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)))) [L770] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? weak$$choice0 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)))) [L771] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)))) [L771] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)))) [L772] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y$r_buff1_thd1 : (_Bool)0) : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)))) [L772] EXPR 1 !y$w_buff0_used ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y$r_buff1_thd1 : (_Bool)0) : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))) [L772] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y$r_buff1_thd1 : (_Bool)0) : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)))) [L772] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y$r_buff1_thd1 : (_Bool)0) : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)))) [L773] 1 __unbuffered_p0_EAX$read_delayed = (_Bool)1 [L774] 1 __unbuffered_p0_EAX$read_delayed_var = &y [L775] EXPR 1 \read(y) [L775] 1 __unbuffered_p0_EAX = y [L776] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L776] 1 y = y$flush_delayed ? y$mem_tmp : y [L777] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=255, x=0, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L780] 1 __unbuffered_p0_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=255, x=0, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L792] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=255, x=1, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L795] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=255, x=2, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L800] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L802] 2 return 0; [L785] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L787] 1 return 0; [L840] FCALL, FORK 0 pthread_create(&t2099, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=255, x=2, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L807] 3 __unbuffered_p2_EAX = x VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=255, x=2, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L810] 3 y = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=255, x=2, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L813] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L813] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L813] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L813] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L814] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L814] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L815] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L815] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L816] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L816] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L817] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L817] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L820] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L822] 3 return 0; [L842] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=255, x=2, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L853] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L854] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L854] 0 __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L855] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 2) [L19] COND TRUE 0 !expression [L18] COND FALSE 0 !(0) [L18] 0 __assert_fail ("0", "safe014_power.oepc.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={6:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=255, x=2, y={6:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 19.2s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.3s, HoareTripleCheckerStatistics: 200 SDtfs, 263 SDslu, 332 SDs, 0 SdLazy, 245 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 177 GetRequests, 127 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=442occurred 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 13783 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...