/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix002_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 21:47:24,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 21:47:24,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 21:47:24,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 21:47:24,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 21:47:24,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 21:47:24,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 21:47:24,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 21:47:24,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 21:47:24,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 21:47:24,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 21:47:24,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 21:47:24,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 21:47:24,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 21:47:24,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 21:47:24,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 21:47:24,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 21:47:24,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 21:47:24,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 21:47:24,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 21:47:24,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 21:47:24,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 21:47:24,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 21:47:24,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 21:47:24,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-21 21:47:24,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 21:47:24,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 21:47:24,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 21:47:24,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 21:47:24,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 21:47:24,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 21:47:24,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 21:47:24,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 21:47:24,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 21:47:24,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 21:47:24,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 21:47:24,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-21 21:47:24,897 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 21:47:24,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 21:47:24,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 21:47:24,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 21:47:24,901 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 21:47:24,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 21:47:24,901 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 21:47:24,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 21:47:24,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 21:47:24,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 21:47:24,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 21:47:24,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 21:47:24,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 21:47:24,902 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 21:47:24,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 21:47:24,903 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 21:47:24,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 21:47:24,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 21:47:24,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 21:47:24,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 21:47:24,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 21:47:24,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 21:47:24,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 21:47:24,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-21 21:47:24,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 21:47:24,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 21:47:24,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 21:47:24,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 21:47:24,905 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-21 21:47:24,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-21 21:47:25,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 21:47:25,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 21:47:25,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 21:47:25,209 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 21:47:25,209 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 21:47:25,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix002_pso.oepc.i [2020-10-21 21:47:25,278 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5ad71a1/1ff80eb5422e48fb909788a4857a8bfb/FLAGd592e0df7 [2020-10-21 21:47:25,845 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 21:47:25,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix002_pso.oepc.i [2020-10-21 21:47:25,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5ad71a1/1ff80eb5422e48fb909788a4857a8bfb/FLAGd592e0df7 [2020-10-21 21:47:26,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5ad71a1/1ff80eb5422e48fb909788a4857a8bfb [2020-10-21 21:47:26,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 21:47:26,090 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 21:47:26,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 21:47:26,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 21:47:26,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 21:47:26,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 09:47:26" (1/1) ... [2020-10-21 21:47:26,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52323f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:47:26, skipping insertion in model container [2020-10-21 21:47:26,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 09:47:26" (1/1) ... [2020-10-21 21:47:26,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 21:47:26,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 21:47:26,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 21:47:26,671 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 21:47:26,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 21:47:26,879 INFO L208 MainTranslator]: Completed translation [2020-10-21 21:47:26,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:47:26 WrapperNode [2020-10-21 21:47:26,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 21:47:26,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 21:47:26,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 21:47:26,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 21:47:26,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:47:26" (1/1) ... [2020-10-21 21:47:26,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:47:26" (1/1) ... [2020-10-21 21:47:26,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 21:47:26,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 21:47:26,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 21:47:26,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 21:47:26,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:47:26" (1/1) ... [2020-10-21 21:47:26,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:47:26" (1/1) ... [2020-10-21 21:47:26,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:47:26" (1/1) ... [2020-10-21 21:47:26,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:47:26" (1/1) ... [2020-10-21 21:47:26,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:47:26" (1/1) ... [2020-10-21 21:47:26,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:47:26" (1/1) ... [2020-10-21 21:47:26,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:47:26" (1/1) ... [2020-10-21 21:47:27,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 21:47:27,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 21:47:27,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 21:47:27,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 21:47:27,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:47:26" (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 [2020-10-21 21:47:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 21:47:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 21:47:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 21:47:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 21:47:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 21:47:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 21:47:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 21:47:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 21:47:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 21:47:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 21:47:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 21:47:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 21:47:27,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 21:47:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 21:47:27,084 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 21:47:29,214 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 21:47:29,214 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-21 21:47:29,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 09:47:29 BoogieIcfgContainer [2020-10-21 21:47:29,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 21:47:29,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 21:47:29,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 21:47:29,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 21:47:29,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 09:47:26" (1/3) ... [2020-10-21 21:47:29,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70bc5102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 09:47:29, skipping insertion in model container [2020-10-21 21:47:29,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:47:26" (2/3) ... [2020-10-21 21:47:29,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70bc5102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 09:47:29, skipping insertion in model container [2020-10-21 21:47:29,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 09:47:29" (3/3) ... [2020-10-21 21:47:29,226 INFO L111 eAbstractionObserver]: Analyzing ICFG mix002_pso.oepc.i [2020-10-21 21:47:29,238 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 21:47:29,238 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-21 21:47:29,246 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 21:47:29,248 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 21:47:29,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,283 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,283 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,283 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,284 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,287 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,288 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,288 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,291 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,291 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,305 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,305 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,314 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,314 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,314 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,314 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,315 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,317 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,319 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,319 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,319 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,319 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,319 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,322 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,323 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,324 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:47:29,325 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 21:47:29,340 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-21 21:47:29,362 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 21:47:29,362 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 21:47:29,362 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 21:47:29,362 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 21:47:29,362 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 21:47:29,363 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 21:47:29,363 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 21:47:29,363 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 21:47:29,378 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 21:47:29,381 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 118 places, 111 transitions, 237 flow [2020-10-21 21:47:29,384 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 118 places, 111 transitions, 237 flow [2020-10-21 21:47:29,386 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 118 places, 111 transitions, 237 flow [2020-10-21 21:47:29,441 INFO L129 PetriNetUnfolder]: 3/108 cut-off events. [2020-10-21 21:47:29,442 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 21:47:29,447 INFO L80 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 108 events. 3/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2020-10-21 21:47:29,452 INFO L116 LiptonReduction]: Number of co-enabled transitions 2284 [2020-10-21 21:47:29,637 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:29,638 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:29,640 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:29,640 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:29,644 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:29,645 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:29,648 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:29,649 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:29,673 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:29,674 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:29,676 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:29,676 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:29,679 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:29,680 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:29,683 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:29,684 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:29,899 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:29,899 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:29,901 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:29,901 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:29,904 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:29,905 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:29,908 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:29,908 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:29,928 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:29,929 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:29,930 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:29,930 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:29,933 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:29,934 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:29,937 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:29,937 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:30,224 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:30,225 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:30,231 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-21 21:47:30,231 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 21:47:30,233 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-21 21:47:30,233 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 21:47:30,235 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-21 21:47:30,235 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 21:47:30,238 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-21 21:47:30,239 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:30,240 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-21 21:47:30,241 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:30,244 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-21 21:47:30,244 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:30,291 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-21 21:47:30,292 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-21 21:47:30,295 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-21 21:47:30,296 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:30,331 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:30,331 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:30,332 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:30,332 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:30,334 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:30,335 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:30,337 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:30,338 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:30,357 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:30,357 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:30,358 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:30,359 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:30,361 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:30,361 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:30,363 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:30,364 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:30,574 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:30,575 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:30,575 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:30,576 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:30,578 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:30,578 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:30,580 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:30,580 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:30,596 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:30,597 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:30,597 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:30,598 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:30,599 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:30,600 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:30,602 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:30,602 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:30,960 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-21 21:47:31,070 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-21 21:47:31,141 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-21 21:47:31,143 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-21 21:47:31,145 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-21 21:47:31,146 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:31,188 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:31,189 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:31,192 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-21 21:47:31,192 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 21:47:31,193 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-21 21:47:31,194 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 21:47:31,196 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-21 21:47:31,196 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-21 21:47:31,198 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-21 21:47:31,198 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:31,200 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-21 21:47:31,201 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:31,202 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-21 21:47:31,202 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:31,390 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-21 21:47:31,390 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:31,623 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-21 21:47:31,760 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-21 21:47:31,798 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:31,800 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:31,801 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:31,802 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:31,809 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:31,810 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:31,813 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:31,814 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:31,886 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:31,887 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:31,888 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:31,888 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:31,890 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:31,890 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:31,892 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:31,893 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:31,981 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-21 21:47:31,981 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:32,071 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-21 21:47:32,071 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:32,072 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-21 21:47:32,073 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:32,073 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-21 21:47:32,074 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:32,121 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-21 21:47:32,122 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:32,216 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-21 21:47:32,217 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:32,218 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-21 21:47:32,218 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:32,219 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-21 21:47:32,219 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:32,591 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:32,592 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:32,593 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:32,593 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:32,595 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:32,596 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:32,598 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:32,599 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:32,620 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:32,621 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:32,622 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:32,622 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:32,624 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:32,625 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:32,626 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:32,627 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:32,668 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-21 21:47:32,668 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:32,708 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:32,708 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:32,709 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:32,710 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:32,711 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:32,712 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:32,714 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:32,714 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-21 21:47:32,727 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:32,727 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:32,728 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:32,729 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 21:47:32,731 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-21 21:47:32,731 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:32,733 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-21 21:47:32,734 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 21:47:33,107 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-10-21 21:47:33,439 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-21 21:47:33,545 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-21 21:47:33,995 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2020-10-21 21:47:34,224 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-21 21:47:34,235 INFO L131 LiptonReduction]: Checked pairs total: 6910 [2020-10-21 21:47:34,235 INFO L133 LiptonReduction]: Total number of compositions: 92 [2020-10-21 21:47:34,242 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 31 transitions, 77 flow [2020-10-21 21:47:34,333 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1612 states. [2020-10-21 21:47:34,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states. [2020-10-21 21:47:34,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-21 21:47:34,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:47:34,342 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-21 21:47:34,343 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:47:34,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:47:34,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1118173, now seen corresponding path program 1 times [2020-10-21 21:47:34,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:47:34,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921976356] [2020-10-21 21:47:34,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:47:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:47:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:47:34,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921976356] [2020-10-21 21:47:34,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:47:34,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 21:47:34,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416207472] [2020-10-21 21:47:34,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:47:34,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:47:34,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:47:34,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:47:34,621 INFO L87 Difference]: Start difference. First operand 1612 states. Second operand 3 states. [2020-10-21 21:47:34,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:47:34,735 INFO L93 Difference]: Finished difference Result 1382 states and 4536 transitions. [2020-10-21 21:47:34,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:47:34,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-21 21:47:34,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:47:34,782 INFO L225 Difference]: With dead ends: 1382 [2020-10-21 21:47:34,783 INFO L226 Difference]: Without dead ends: 1166 [2020-10-21 21:47:34,787 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 [2020-10-21 21:47:34,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2020-10-21 21:47:34,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 1166. [2020-10-21 21:47:34,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1166 states. [2020-10-21 21:47:34,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 3780 transitions. [2020-10-21 21:47:34,930 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 3780 transitions. Word has length 3 [2020-10-21 21:47:34,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:47:34,931 INFO L481 AbstractCegarLoop]: Abstraction has 1166 states and 3780 transitions. [2020-10-21 21:47:34,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:47:34,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 3780 transitions. [2020-10-21 21:47:34,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-21 21:47:34,933 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:47:34,933 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:47:34,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 21:47:34,934 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:47:34,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:47:34,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1875408368, now seen corresponding path program 1 times [2020-10-21 21:47:34,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:47:34,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401189942] [2020-10-21 21:47:34,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:47:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:47:35,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:47:35,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401189942] [2020-10-21 21:47:35,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:47:35,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 21:47:35,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702271143] [2020-10-21 21:47:35,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 21:47:35,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:47:35,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 21:47:35,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 21:47:35,102 INFO L87 Difference]: Start difference. First operand 1166 states and 3780 transitions. Second operand 4 states. [2020-10-21 21:47:35,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:47:35,151 INFO L93 Difference]: Finished difference Result 1238 states and 3864 transitions. [2020-10-21 21:47:35,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 21:47:35,152 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-21 21:47:35,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:47:35,160 INFO L225 Difference]: With dead ends: 1238 [2020-10-21 21:47:35,160 INFO L226 Difference]: Without dead ends: 1022 [2020-10-21 21:47:35,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 21:47:35,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2020-10-21 21:47:35,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 1022. [2020-10-21 21:47:35,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2020-10-21 21:47:35,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 3252 transitions. [2020-10-21 21:47:35,201 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 3252 transitions. Word has length 10 [2020-10-21 21:47:35,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:47:35,202 INFO L481 AbstractCegarLoop]: Abstraction has 1022 states and 3252 transitions. [2020-10-21 21:47:35,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 21:47:35,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 3252 transitions. [2020-10-21 21:47:35,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 21:47:35,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:47:35,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:47:35,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 21:47:35,206 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:47:35,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:47:35,206 INFO L82 PathProgramCache]: Analyzing trace with hash -306214818, now seen corresponding path program 1 times [2020-10-21 21:47:35,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:47:35,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320153443] [2020-10-21 21:47:35,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:47:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:47:35,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:47:35,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320153443] [2020-10-21 21:47:35,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:47:35,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 21:47:35,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242251965] [2020-10-21 21:47:35,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 21:47:35,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:47:35,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 21:47:35,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 21:47:35,273 INFO L87 Difference]: Start difference. First operand 1022 states and 3252 transitions. Second operand 4 states. [2020-10-21 21:47:35,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:47:35,305 INFO L93 Difference]: Finished difference Result 1070 states and 3304 transitions. [2020-10-21 21:47:35,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 21:47:35,306 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-21 21:47:35,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:47:35,313 INFO L225 Difference]: With dead ends: 1070 [2020-10-21 21:47:35,314 INFO L226 Difference]: Without dead ends: 926 [2020-10-21 21:47:35,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 21:47:35,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2020-10-21 21:47:35,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 926. [2020-10-21 21:47:35,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2020-10-21 21:47:35,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 2908 transitions. [2020-10-21 21:47:35,347 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 2908 transitions. Word has length 12 [2020-10-21 21:47:35,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:47:35,348 INFO L481 AbstractCegarLoop]: Abstraction has 926 states and 2908 transitions. [2020-10-21 21:47:35,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 21:47:35,348 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 2908 transitions. [2020-10-21 21:47:35,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 21:47:35,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:47:35,351 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:47:35,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 21:47:35,351 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:47:35,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:47:35,351 INFO L82 PathProgramCache]: Analyzing trace with hash 2080639241, now seen corresponding path program 1 times [2020-10-21 21:47:35,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:47:35,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146340860] [2020-10-21 21:47:35,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:47:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:47:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:47:35,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146340860] [2020-10-21 21:47:35,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:47:35,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 21:47:35,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449417720] [2020-10-21 21:47:35,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 21:47:35,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:47:35,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 21:47:35,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 21:47:35,416 INFO L87 Difference]: Start difference. First operand 926 states and 2908 transitions. Second operand 4 states. [2020-10-21 21:47:35,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:47:35,446 INFO L93 Difference]: Finished difference Result 958 states and 2940 transitions. [2020-10-21 21:47:35,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 21:47:35,447 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-21 21:47:35,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:47:35,453 INFO L225 Difference]: With dead ends: 958 [2020-10-21 21:47:35,454 INFO L226 Difference]: Without dead ends: 862 [2020-10-21 21:47:35,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 21:47:35,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2020-10-21 21:47:35,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 862. [2020-10-21 21:47:35,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-10-21 21:47:35,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 2684 transitions. [2020-10-21 21:47:35,484 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 2684 transitions. Word has length 14 [2020-10-21 21:47:35,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:47:35,484 INFO L481 AbstractCegarLoop]: Abstraction has 862 states and 2684 transitions. [2020-10-21 21:47:35,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 21:47:35,484 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 2684 transitions. [2020-10-21 21:47:35,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-21 21:47:35,486 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:47:35,487 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:47:35,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 21:47:35,487 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:47:35,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:47:35,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1899808549, now seen corresponding path program 1 times [2020-10-21 21:47:35,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:47:35,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887963947] [2020-10-21 21:47:35,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:47:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:47:35,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:47:35,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887963947] [2020-10-21 21:47:35,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:47:35,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 21:47:35,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748043494] [2020-10-21 21:47:35,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 21:47:35,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:47:35,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 21:47:35,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 21:47:35,582 INFO L87 Difference]: Start difference. First operand 862 states and 2684 transitions. Second operand 4 states. [2020-10-21 21:47:35,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:47:35,624 INFO L93 Difference]: Finished difference Result 774 states and 2133 transitions. [2020-10-21 21:47:35,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 21:47:35,625 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-21 21:47:35,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:47:35,629 INFO L225 Difference]: With dead ends: 774 [2020-10-21 21:47:35,629 INFO L226 Difference]: Without dead ends: 558 [2020-10-21 21:47:35,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 21:47:35,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2020-10-21 21:47:35,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 558. [2020-10-21 21:47:35,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-21 21:47:35,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 1468 transitions. [2020-10-21 21:47:35,646 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 1468 transitions. Word has length 16 [2020-10-21 21:47:35,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:47:35,647 INFO L481 AbstractCegarLoop]: Abstraction has 558 states and 1468 transitions. [2020-10-21 21:47:35,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 21:47:35,647 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1468 transitions. [2020-10-21 21:47:35,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 21:47:35,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:47:35,649 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:47:35,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 21:47:35,649 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:47:35,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:47:35,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1818425106, now seen corresponding path program 1 times [2020-10-21 21:47:35,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:47:35,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240502830] [2020-10-21 21:47:35,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:47:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:47:35,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:47:35,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240502830] [2020-10-21 21:47:35,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:47:35,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 21:47:35,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675483454] [2020-10-21 21:47:35,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 21:47:35,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:47:35,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 21:47:35,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 21:47:35,771 INFO L87 Difference]: Start difference. First operand 558 states and 1468 transitions. Second operand 5 states. [2020-10-21 21:47:35,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:47:35,829 INFO L93 Difference]: Finished difference Result 445 states and 1096 transitions. [2020-10-21 21:47:35,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 21:47:35,830 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-21 21:47:35,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:47:35,834 INFO L225 Difference]: With dead ends: 445 [2020-10-21 21:47:35,834 INFO L226 Difference]: Without dead ends: 354 [2020-10-21 21:47:35,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 21:47:35,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-10-21 21:47:35,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2020-10-21 21:47:35,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-10-21 21:47:35,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 856 transitions. [2020-10-21 21:47:35,850 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 856 transitions. Word has length 19 [2020-10-21 21:47:35,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:47:35,851 INFO L481 AbstractCegarLoop]: Abstraction has 354 states and 856 transitions. [2020-10-21 21:47:35,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 21:47:35,852 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 856 transitions. [2020-10-21 21:47:35,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-21 21:47:35,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:47:35,854 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:47:35,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 21:47:35,854 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:47:35,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:47:35,855 INFO L82 PathProgramCache]: Analyzing trace with hash 182741824, now seen corresponding path program 1 times [2020-10-21 21:47:35,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:47:35,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649095591] [2020-10-21 21:47:35,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:47:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:47:36,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:47:36,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649095591] [2020-10-21 21:47:36,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:47:36,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 21:47:36,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290216516] [2020-10-21 21:47:36,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 21:47:36,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:47:36,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 21:47:36,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 21:47:36,127 INFO L87 Difference]: Start difference. First operand 354 states and 856 transitions. Second operand 6 states. [2020-10-21 21:47:36,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:47:36,211 INFO L93 Difference]: Finished difference Result 322 states and 790 transitions. [2020-10-21 21:47:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 21:47:36,213 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-21 21:47:36,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:47:36,216 INFO L225 Difference]: With dead ends: 322 [2020-10-21 21:47:36,217 INFO L226 Difference]: Without dead ends: 306 [2020-10-21 21:47:36,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-21 21:47:36,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-10-21 21:47:36,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2020-10-21 21:47:36,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-10-21 21:47:36,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 760 transitions. [2020-10-21 21:47:36,228 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 760 transitions. Word has length 22 [2020-10-21 21:47:36,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:47:36,229 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 760 transitions. [2020-10-21 21:47:36,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 21:47:36,229 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 760 transitions. [2020-10-21 21:47:36,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-21 21:47:36,230 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:47:36,231 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:47:36,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 21:47:36,231 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:47:36,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:47:36,232 INFO L82 PathProgramCache]: Analyzing trace with hash -148900716, now seen corresponding path program 1 times [2020-10-21 21:47:36,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:47:36,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267710052] [2020-10-21 21:47:36,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:47:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:47:36,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:47:36,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267710052] [2020-10-21 21:47:36,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:47:36,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 21:47:36,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541314336] [2020-10-21 21:47:36,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 21:47:36,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:47:36,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 21:47:36,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-21 21:47:36,570 INFO L87 Difference]: Start difference. First operand 306 states and 760 transitions. Second operand 8 states. [2020-10-21 21:47:36,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:47:36,774 INFO L93 Difference]: Finished difference Result 436 states and 1044 transitions. [2020-10-21 21:47:36,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 21:47:36,775 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-10-21 21:47:36,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:47:36,777 INFO L225 Difference]: With dead ends: 436 [2020-10-21 21:47:36,777 INFO L226 Difference]: Without dead ends: 333 [2020-10-21 21:47:36,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-21 21:47:36,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-10-21 21:47:36,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 242. [2020-10-21 21:47:36,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-21 21:47:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 582 transitions. [2020-10-21 21:47:36,785 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 582 transitions. Word has length 25 [2020-10-21 21:47:36,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:47:36,786 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 582 transitions. [2020-10-21 21:47:36,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 21:47:36,786 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 582 transitions. [2020-10-21 21:47:36,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-21 21:47:36,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:47:36,787 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:47:36,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 21:47:36,788 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:47:36,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:47:36,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1279790196, now seen corresponding path program 2 times [2020-10-21 21:47:36,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:47:36,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577265731] [2020-10-21 21:47:36,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:47:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 21:47:36,852 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 21:47:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 21:47:36,945 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 21:47:36,997 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 21:47:36,997 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 21:47:36,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 21:47:37,029 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,029 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [752] [2020-10-21 21:47:37,032 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,032 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,033 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,033 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,033 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,033 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,033 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,034 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,034 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,034 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,037 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,037 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,037 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,037 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,037 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,038 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,038 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,038 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,038 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,038 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,038 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,039 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,039 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,039 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,039 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,039 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,039 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,040 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,044 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,044 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,044 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,044 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,044 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,045 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,045 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,045 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,045 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,045 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,045 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,046 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,046 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,046 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,046 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,047 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,047 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,047 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,047 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,047 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,047 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,048 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,049 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,049 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,049 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,049 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,049 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,050 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,050 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,050 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,050 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,050 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,050 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 21:47:37,050 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 21:47:37,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 09:47:37 BasicIcfg [2020-10-21 21:47:37,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 21:47:37,152 INFO L168 Benchmark]: Toolchain (without parser) took 11066.96 ms. Allocated memory was 147.3 MB in the beginning and 389.5 MB in the end (delta: 242.2 MB). Free memory was 102.4 MB in the beginning and 205.0 MB in the end (delta: -102.7 MB). Peak memory consumption was 139.5 MB. Max. memory is 7.1 GB. [2020-10-21 21:47:37,152 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 21:47:37,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.03 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 101.3 MB in the beginning and 155.2 MB in the end (delta: -53.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2020-10-21 21:47:37,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.50 ms. Allocated memory is still 204.5 MB. Free memory was 154.5 MB in the beginning and 151.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-21 21:47:37,154 INFO L168 Benchmark]: Boogie Preprocessor took 43.15 ms. Allocated memory is still 204.5 MB. Free memory was 151.8 MB in the beginning and 149.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 21:47:37,155 INFO L168 Benchmark]: RCFGBuilder took 2213.02 ms. Allocated memory was 204.5 MB in the beginning and 247.5 MB in the end (delta: 43.0 MB). Free memory was 149.8 MB in the beginning and 157.8 MB in the end (delta: -8.0 MB). Peak memory consumption was 98.4 MB. Max. memory is 7.1 GB. [2020-10-21 21:47:37,156 INFO L168 Benchmark]: TraceAbstraction took 7931.39 ms. Allocated memory was 247.5 MB in the beginning and 389.5 MB in the end (delta: 142.1 MB). Free memory was 156.1 MB in the beginning and 205.0 MB in the end (delta: -49.0 MB). Peak memory consumption was 93.1 MB. Max. memory is 7.1 GB. [2020-10-21 21:47:37,160 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 790.03 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 101.3 MB in the beginning and 155.2 MB in the end (delta: -53.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 78.50 ms. Allocated memory is still 204.5 MB. Free memory was 154.5 MB in the beginning and 151.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.15 ms. Allocated memory is still 204.5 MB. Free memory was 151.8 MB in the beginning and 149.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2213.02 ms. Allocated memory was 204.5 MB in the beginning and 247.5 MB in the end (delta: 43.0 MB). Free memory was 149.8 MB in the beginning and 157.8 MB in the end (delta: -8.0 MB). Peak memory consumption was 98.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7931.39 ms. Allocated memory was 247.5 MB in the beginning and 389.5 MB in the end (delta: 142.1 MB). Free memory was 156.1 MB in the beginning and 205.0 MB in the end (delta: -49.0 MB). Peak memory consumption was 93.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1565 VarBasedMoverChecksPositive, 75 VarBasedMoverChecksNegative, 21 SemBasedMoverChecksPositive, 54 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.2s, 207 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.8s, 118 PlacesBefore, 40 PlacesAfterwards, 111 TransitionsBefore, 31 TransitionsAfterwards, 2284 CoEnabledTransitionPairs, 7 FixpointIterations, 41 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 92 TotalNumberOfCompositions, 6910 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p0_EBX = 0; [L715] 0 int __unbuffered_p1_EAX = 0; [L717] 0 int __unbuffered_p1_EBX = 0; [L719] 0 int __unbuffered_p2_EAX = 0; [L721] 0 int __unbuffered_p2_EBX = 0; [L723] 0 int a = 0; [L724] 0 _Bool a$flush_delayed; [L725] 0 int a$mem_tmp; [L726] 0 _Bool a$r_buff0_thd0; [L727] 0 _Bool a$r_buff0_thd1; [L728] 0 _Bool a$r_buff0_thd2; [L729] 0 _Bool a$r_buff0_thd3; [L730] 0 _Bool a$r_buff1_thd0; [L731] 0 _Bool a$r_buff1_thd1; [L732] 0 _Bool a$r_buff1_thd2; [L733] 0 _Bool a$r_buff1_thd3; [L734] 0 _Bool a$read_delayed; [L735] 0 int *a$read_delayed_var; [L736] 0 int a$w_buff0; [L737] 0 _Bool a$w_buff0_used; [L738] 0 int a$w_buff1; [L739] 0 _Bool a$w_buff1_used; [L740] 0 _Bool main$tmp_guard0; [L741] 0 _Bool main$tmp_guard1; [L743] 0 int x = 0; [L745] 0 int y = 0; [L747] 0 int z = 0; [L748] 0 _Bool weak$$choice0; [L749] 0 _Bool weak$$choice2; [L855] 0 pthread_t t44; [L856] FCALL, FORK 0 pthread_create(&t44, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L857] 0 pthread_t t45; [L753] 1 a$w_buff1 = a$w_buff0 [L754] 1 a$w_buff0 = 1 [L755] 1 a$w_buff1_used = a$w_buff0_used [L756] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L758] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L759] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L760] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L761] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L762] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L765] 1 x = 1 [L768] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L771] 1 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L858] FCALL, FORK 0 pthread_create(&t45, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L788] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L791] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L794] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L797] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L797] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L798] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L798] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L799] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L799] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L800] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L800] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L801] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L801] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L804] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L806] 2 return 0; [L859] 0 pthread_t t46; [L860] FCALL, FORK 0 pthread_create(&t46, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L811] 3 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L814] 3 __unbuffered_p2_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L817] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L818] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L819] 3 a$flush_delayed = weak$$choice2 [L820] 3 a$mem_tmp = a [L821] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L821] 3 a = !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L822] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L822] 3 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L823] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L823] 3 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L824] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L824] 3 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L825] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] 3 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L826] 3 a$r_buff0_thd3 = weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L827] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L827] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] 3 a$r_buff1_thd3 = weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L828] 3 __unbuffered_p2_EBX = a [L829] EXPR 3 a$flush_delayed ? a$mem_tmp : a [L829] 3 a = a$flush_delayed ? a$mem_tmp : a [L830] 3 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, y=1, z=1] [L774] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L774] EXPR 1 a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a [L774] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L774] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L775] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L775] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L776] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L776] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L777] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L777] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L778] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L778] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L833] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L833] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L834] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L834] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L835] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L835] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L836] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L836] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L837] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L837] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L781] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L783] 1 return 0; [L840] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L842] 3 return 0; [L862] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L866] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L866] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L866] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L866] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L867] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L867] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L868] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L868] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L869] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L869] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L870] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L870] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L873] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix002_pso.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 109 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.6s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.9s, HoareTripleCheckerStatistics: 276 SDtfs, 300 SDslu, 595 SDs, 0 SdLazy, 196 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1612occurred 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: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 11613 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...