/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/pthread-wmm/safe012_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 23:33:19,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 23:33:19,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 23:33:19,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 23:33:19,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 23:33:19,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 23:33:19,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 23:33:19,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 23:33:19,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 23:33:19,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 23:33:19,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 23:33:19,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 23:33:19,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 23:33:19,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 23:33:19,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 23:33:19,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 23:33:19,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 23:33:19,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 23:33:19,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 23:33:19,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 23:33:19,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 23:33:19,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 23:33:19,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 23:33:19,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 23:33:19,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 23:33:19,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 23:33:19,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 23:33:19,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 23:33:19,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 23:33:19,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 23:33:19,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 23:33:19,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 23:33:19,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 23:33:19,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 23:33:19,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 23:33:19,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 23:33:19,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 23:33:19,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 23:33:19,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 23:33:19,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 23:33:19,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 23:33:19,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 23:33:20,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 23:33:20,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 23:33:20,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 23:33:20,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 23:33:20,015 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 23:33:20,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 23:33:20,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 23:33:20,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 23:33:20,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 23:33:20,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 23:33:20,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 23:33:20,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 23:33:20,017 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 23:33:20,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 23:33:20,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 23:33:20,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 23:33:20,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 23:33:20,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 23:33:20,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 23:33:20,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 23:33:20,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 23:33:20,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 23:33:20,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 23:33:20,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 23:33:20,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 23:33:20,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 23:33:20,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 23:33:20,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 23:33:20,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 23:33:20,482 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 23:33:20,484 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 23:33:20,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe012_rmo.oepc.i [2021-01-06 23:33:20,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/5a4f3c1e1/f62cc72464334c988cb1b0addfc17c1e/FLAGde8b30cda [2021-01-06 23:33:21,381 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 23:33:21,384 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe012_rmo.oepc.i [2021-01-06 23:33:21,414 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/5a4f3c1e1/f62cc72464334c988cb1b0addfc17c1e/FLAGde8b30cda [2021-01-06 23:33:21,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/5a4f3c1e1/f62cc72464334c988cb1b0addfc17c1e [2021-01-06 23:33:21,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 23:33:21,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 23:33:21,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 23:33:21,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 23:33:21,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 23:33:21,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:33:21" (1/1) ... [2021-01-06 23:33:21,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17295fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:21, skipping insertion in model container [2021-01-06 23:33:21,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:33:21" (1/1) ... [2021-01-06 23:33:21,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 23:33:21,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 23:33:21,901 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe012_rmo.oepc.i[993,1006] left hand side expression in assignment: lhs: VariableLHS[~weak$$choice0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~weak$$choice2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$flush_delayed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$mem_tmp~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff0_thd1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p0_EAX$read_delayed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p0_EAX$read_delayed_var~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p0_EAX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$flush_delayed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p0_EBX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p2_EAX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff0_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff0_thd0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~weak$$choice1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p0_EAX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard1~0,GLOBAL] [2021-01-06 23:33:22,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 23:33:22,153 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 23:33:22,174 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe012_rmo.oepc.i[993,1006] left hand side expression in assignment: lhs: VariableLHS[~weak$$choice0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~weak$$choice2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$flush_delayed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$mem_tmp~0,GLOBAL] left hand side expression in assignment: address: IdentifierExpression[~#z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff0_thd1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p0_EAX$read_delayed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p0_EAX$read_delayed_var~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p0_EAX~0,GLOBAL] left hand side expression in assignment: address: IdentifierExpression[~#z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$flush_delayed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p0_EBX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p2_EAX~0,GLOBAL] left hand side expression in assignment: address: IdentifierExpression[~#z~0,GLOBAL] left hand side expression in assignment: address: IdentifierExpression[~#z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff0_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard0~0,GLOBAL] left hand side expression in assignment: address: IdentifierExpression[~#z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff0_thd0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~weak$$choice1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p0_EAX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard1~0,GLOBAL] [2021-01-06 23:33:22,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 23:33:22,361 INFO L208 MainTranslator]: Completed translation [2021-01-06 23:33:22,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:22 WrapperNode [2021-01-06 23:33:22,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 23:33:22,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 23:33:22,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 23:33:22,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 23:33:22,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:22" (1/1) ... [2021-01-06 23:33:22,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:22" (1/1) ... [2021-01-06 23:33:22,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 23:33:22,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 23:33:22,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 23:33:22,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 23:33:22,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:22" (1/1) ... [2021-01-06 23:33:22,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:22" (1/1) ... [2021-01-06 23:33:22,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:22" (1/1) ... [2021-01-06 23:33:22,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:22" (1/1) ... [2021-01-06 23:33:22,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:22" (1/1) ... [2021-01-06 23:33:22,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:22" (1/1) ... [2021-01-06 23:33:22,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:22" (1/1) ... [2021-01-06 23:33:22,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 23:33:22,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 23:33:22,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 23:33:22,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 23:33:22,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:22" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-06 23:33:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-06 23:33:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-06 23:33:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-06 23:33:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 23:33:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-06 23:33:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-06 23:33:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-06 23:33:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-06 23:33:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-06 23:33:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-01-06 23:33:22,601 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-01-06 23:33:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 23:33:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-06 23:33:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 23:33:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 23:33:22,607 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-06 23:33:24,493 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 23:33:24,494 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-01-06 23:33:24,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:33:24 BoogieIcfgContainer [2021-01-06 23:33:24,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 23:33:24,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 23:33:24,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 23:33:24,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 23:33:24,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 11:33:21" (1/3) ... [2021-01-06 23:33:24,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a9e986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:33:24, skipping insertion in model container [2021-01-06 23:33:24,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:22" (2/3) ... [2021-01-06 23:33:24,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a9e986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:33:24, skipping insertion in model container [2021-01-06 23:33:24,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:33:24" (3/3) ... [2021-01-06 23:33:24,505 INFO L111 eAbstractionObserver]: Analyzing ICFG safe012_rmo.oepc.i [2021-01-06 23:33:24,513 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-06 23:33:24,513 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 23:33:24,518 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 23:33:24,519 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-06 23:33:24,557 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,558 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,558 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,559 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,559 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,579 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,579 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,580 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,580 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,583 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,583 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,583 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,583 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,587 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,587 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,587 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,587 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,622 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,622 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,623 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,623 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,625 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,625 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,630 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,630 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,631 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,631 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,631 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,631 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,631 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,635 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,635 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:33:24,641 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-06 23:33:24,660 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-01-06 23:33:24,683 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 23:33:24,683 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 23:33:24,683 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 23:33:24,683 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 23:33:24,683 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 23:33:24,683 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 23:33:24,684 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 23:33:24,684 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 23:33:24,698 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-01-06 23:33:24,700 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 114 transitions, 243 flow [2021-01-06 23:33:24,704 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 114 transitions, 243 flow [2021-01-06 23:33:24,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 114 transitions, 243 flow [2021-01-06 23:33:24,760 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-01-06 23:33:24,760 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-01-06 23:33:24,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 56 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 58. Up to 2 conditions per place. [2021-01-06 23:33:24,767 INFO L116 LiptonReduction]: Number of co-enabled transitions 1410 [2021-01-06 23:33:25,767 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:25,767 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:25,845 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:25,846 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:26,063 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:26,064 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:26,069 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2021-01-06 23:33:26,070 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:26,102 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:26,103 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:26,106 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2021-01-06 23:33:26,110 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:26,189 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 2, 1] term [2021-01-06 23:33:26,189 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:33:26,191 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 2, 2, 1] term [2021-01-06 23:33:26,191 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:33:26,194 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 3, 2, 2, 2, 2, 1] term [2021-01-06 23:33:26,194 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:26,195 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 2, 2, 1] term [2021-01-06 23:33:26,195 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:26,196 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:26,216 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:26,218 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:26,218 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:26,219 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:26,220 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:26,266 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:26,267 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:26,279 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 2, 1] term [2021-01-06 23:33:26,279 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:26,280 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 1] term [2021-01-06 23:33:26,280 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:27,541 WARN L197 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 238 DAG size of output: 197 [2021-01-06 23:33:28,082 WARN L197 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2021-01-06 23:33:30,409 WARN L197 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 322 DAG size of output: 277 [2021-01-06 23:33:31,461 WARN L197 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 274 [2021-01-06 23:33:31,539 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:31,539 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:31,571 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:31,571 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:32,006 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:32,007 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:32,257 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:32,257 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:32,285 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:33:32,286 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 23:33:32,290 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 2, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:33:32,290 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:33:32,354 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:32,355 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:32,357 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:32,357 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:32,358 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:32,359 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:32,360 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2021-01-06 23:33:32,360 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:32,361 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:32,362 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:32,363 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2021-01-06 23:33:32,363 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:32,365 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-01-06 23:33:32,366 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:33:32,367 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 3, 2, 1] term [2021-01-06 23:33:32,368 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:33:32,370 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 5, 3, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:32,371 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:33:32,372 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 5, 3, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:32,372 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:33:32,374 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 5, 3, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:32,374 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:33:32,663 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:32,663 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:32,699 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:32,700 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:33,082 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:33,082 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:33,120 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:33,120 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:33,346 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:33,347 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:33,379 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:33,380 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:33,752 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:33,752 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:33,784 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:33,785 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:33,901 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:33,901 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:33,902 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2021-01-06 23:33:33,902 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:33,920 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:33,921 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:33,921 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2021-01-06 23:33:33,922 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:34,180 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-01-06 23:33:34,377 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-01-06 23:33:34,975 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:34,976 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:34,978 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:34,978 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:34,979 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:34,979 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:34,980 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2021-01-06 23:33:34,980 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:34,981 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:34,981 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:34,982 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2021-01-06 23:33:34,982 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:34,984 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-01-06 23:33:34,984 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:33:34,986 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 3, 2, 1] term [2021-01-06 23:33:34,986 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:33:34,988 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 5, 3, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:34,988 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:33:34,989 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 5, 3, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:34,990 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:33:34,991 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 5, 3, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:33:34,991 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:33:35,031 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-06 23:33:35,031 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:33:35,050 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:33:35,050 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 23:33:35,053 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 2, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:33:35,053 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:33:35,302 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-01-06 23:33:35,424 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-01-06 23:33:35,529 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-01-06 23:33:35,631 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-01-06 23:33:36,146 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-01-06 23:33:36,860 WARN L197 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-01-06 23:33:37,148 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-01-06 23:33:37,713 WARN L197 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-01-06 23:33:37,991 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-01-06 23:33:38,932 WARN L197 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 162 [2021-01-06 23:33:39,355 WARN L197 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2021-01-06 23:33:40,286 WARN L197 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 162 [2021-01-06 23:33:40,714 WARN L197 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2021-01-06 23:33:40,721 INFO L131 LiptonReduction]: Checked pairs total: 3574 [2021-01-06 23:33:40,721 INFO L133 LiptonReduction]: Total number of compositions: 98 [2021-01-06 23:33:40,730 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 25 transitions, 65 flow [2021-01-06 23:33:40,774 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 522 states. [2021-01-06 23:33:40,777 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states. [2021-01-06 23:33:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-01-06 23:33:40,784 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:33:40,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:33:40,786 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:33:40,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:33:40,792 INFO L82 PathProgramCache]: Analyzing trace with hash 146463745, now seen corresponding path program 1 times [2021-01-06 23:33:40,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:33:40,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436902612] [2021-01-06 23:33:40,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:33:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:33:41,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:33:41,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436902612] [2021-01-06 23:33:41,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:33:41,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 23:33:41,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133656784] [2021-01-06 23:33:41,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 23:33:41,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:33:41,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 23:33:41,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 23:33:41,057 INFO L87 Difference]: Start difference. First operand 522 states. Second operand 2 states. [2021-01-06 23:33:41,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:33:41,106 INFO L93 Difference]: Finished difference Result 522 states and 1600 transitions. [2021-01-06 23:33:41,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 23:33:41,107 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2021-01-06 23:33:41,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:33:41,131 INFO L225 Difference]: With dead ends: 522 [2021-01-06 23:33:41,131 INFO L226 Difference]: Without dead ends: 442 [2021-01-06 23:33:41,133 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 23:33:41,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2021-01-06 23:33:41,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2021-01-06 23:33:41,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2021-01-06 23:33:41,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 1336 transitions. [2021-01-06 23:33:41,238 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 1336 transitions. Word has length 8 [2021-01-06 23:33:41,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:33:41,239 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 1336 transitions. [2021-01-06 23:33:41,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 23:33:41,240 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 1336 transitions. [2021-01-06 23:33:41,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-01-06 23:33:41,242 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:33:41,242 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:33:41,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 23:33:41,243 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:33:41,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:33:41,244 INFO L82 PathProgramCache]: Analyzing trace with hash -982828186, now seen corresponding path program 1 times [2021-01-06 23:33:41,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:33:41,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207942039] [2021-01-06 23:33:41,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:33:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:33:41,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:33:41,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207942039] [2021-01-06 23:33:41,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:33:41,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 23:33:41,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720682402] [2021-01-06 23:33:41,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 23:33:41,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:33:41,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 23:33:41,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 23:33:41,562 INFO L87 Difference]: Start difference. First operand 442 states and 1336 transitions. Second operand 4 states. [2021-01-06 23:33:41,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:33:41,627 INFO L93 Difference]: Finished difference Result 490 states and 1424 transitions. [2021-01-06 23:33:41,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 23:33:41,628 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2021-01-06 23:33:41,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:33:41,638 INFO L225 Difference]: With dead ends: 490 [2021-01-06 23:33:41,638 INFO L226 Difference]: Without dead ends: 410 [2021-01-06 23:33:41,639 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 [2021-01-06 23:33:41,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-01-06 23:33:41,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2021-01-06 23:33:41,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2021-01-06 23:33:41,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 1224 transitions. [2021-01-06 23:33:41,702 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 1224 transitions. Word has length 10 [2021-01-06 23:33:41,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:33:41,703 INFO L481 AbstractCegarLoop]: Abstraction has 410 states and 1224 transitions. [2021-01-06 23:33:41,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 23:33:41,703 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 1224 transitions. [2021-01-06 23:33:41,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-01-06 23:33:41,709 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:33:41,709 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:33:41,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 23:33:41,712 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:33:41,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:33:41,713 INFO L82 PathProgramCache]: Analyzing trace with hash -462080664, now seen corresponding path program 1 times [2021-01-06 23:33:41,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:33:41,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234694612] [2021-01-06 23:33:41,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:33:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:33:41,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:33:41,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234694612] [2021-01-06 23:33:41,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:33:41,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 23:33:41,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315091809] [2021-01-06 23:33:41,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 23:33:41,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:33:41,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 23:33:41,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 23:33:41,861 INFO L87 Difference]: Start difference. First operand 410 states and 1224 transitions. Second operand 6 states. [2021-01-06 23:33:41,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:33:41,948 INFO L93 Difference]: Finished difference Result 506 states and 1464 transitions. [2021-01-06 23:33:41,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:33:41,948 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2021-01-06 23:33:41,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:33:41,951 INFO L225 Difference]: With dead ends: 506 [2021-01-06 23:33:41,951 INFO L226 Difference]: Without dead ends: 250 [2021-01-06 23:33:41,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:33:41,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-01-06 23:33:41,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2021-01-06 23:33:41,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-01-06 23:33:41,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 672 transitions. [2021-01-06 23:33:41,962 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 672 transitions. Word has length 11 [2021-01-06 23:33:41,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:33:41,963 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 672 transitions. [2021-01-06 23:33:41,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 23:33:41,963 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 672 transitions. [2021-01-06 23:33:41,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-01-06 23:33:41,966 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:33:41,966 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:33:41,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 23:33:41,967 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:33:41,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:33:41,968 INFO L82 PathProgramCache]: Analyzing trace with hash 795432304, now seen corresponding path program 1 times [2021-01-06 23:33:41,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:33:41,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053631705] [2021-01-06 23:33:41,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:33:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:33:42,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:33:42,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053631705] [2021-01-06 23:33:42,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:33:42,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:33:42,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522955578] [2021-01-06 23:33:42,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:33:42,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:33:42,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:33:42,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:33:42,166 INFO L87 Difference]: Start difference. First operand 250 states and 672 transitions. Second operand 5 states. [2021-01-06 23:33:42,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:33:42,231 INFO L93 Difference]: Finished difference Result 266 states and 692 transitions. [2021-01-06 23:33:42,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 23:33:42,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2021-01-06 23:33:42,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:33:42,234 INFO L225 Difference]: With dead ends: 266 [2021-01-06 23:33:42,234 INFO L226 Difference]: Without dead ends: 234 [2021-01-06 23:33:42,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 23:33:42,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-01-06 23:33:42,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2021-01-06 23:33:42,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2021-01-06 23:33:42,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 620 transitions. [2021-01-06 23:33:42,245 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 620 transitions. Word has length 13 [2021-01-06 23:33:42,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:33:42,246 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 620 transitions. [2021-01-06 23:33:42,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:33:42,246 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 620 transitions. [2021-01-06 23:33:42,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-01-06 23:33:42,247 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:33:42,247 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:33:42,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 23:33:42,247 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:33:42,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:33:42,248 INFO L82 PathProgramCache]: Analyzing trace with hash 28764024, now seen corresponding path program 1 times [2021-01-06 23:33:42,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:33:42,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830946244] [2021-01-06 23:33:42,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:33:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:33:42,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:33:42,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830946244] [2021-01-06 23:33:42,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:33:42,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 23:33:42,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455769796] [2021-01-06 23:33:42,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 23:33:42,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:33:42,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 23:33:42,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-01-06 23:33:42,636 INFO L87 Difference]: Start difference. First operand 234 states and 620 transitions. Second operand 8 states. [2021-01-06 23:33:42,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:33:42,903 INFO L93 Difference]: Finished difference Result 246 states and 634 transitions. [2021-01-06 23:33:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:33:42,905 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2021-01-06 23:33:42,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:33:42,907 INFO L225 Difference]: With dead ends: 246 [2021-01-06 23:33:42,907 INFO L226 Difference]: Without dead ends: 222 [2021-01-06 23:33:42,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-01-06 23:33:42,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2021-01-06 23:33:42,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2021-01-06 23:33:42,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2021-01-06 23:33:42,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 582 transitions. [2021-01-06 23:33:42,916 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 582 transitions. Word has length 14 [2021-01-06 23:33:42,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:33:42,917 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 582 transitions. [2021-01-06 23:33:42,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 23:33:42,917 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 582 transitions. [2021-01-06 23:33:42,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-06 23:33:42,918 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:33:42,918 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:33:42,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 23:33:42,918 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:33:42,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:33:42,919 INFO L82 PathProgramCache]: Analyzing trace with hash 815883396, now seen corresponding path program 1 times [2021-01-06 23:33:42,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:33:42,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856189952] [2021-01-06 23:33:42,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:33:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:33:43,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:33:43,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856189952] [2021-01-06 23:33:43,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:33:43,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 23:33:43,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451593304] [2021-01-06 23:33:43,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 23:33:43,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:33:43,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 23:33:43,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:33:43,071 INFO L87 Difference]: Start difference. First operand 222 states and 582 transitions. Second operand 3 states. [2021-01-06 23:33:43,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:33:43,083 INFO L93 Difference]: Finished difference Result 178 states and 418 transitions. [2021-01-06 23:33:43,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 23:33:43,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2021-01-06 23:33:43,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:33:43,086 INFO L225 Difference]: With dead ends: 178 [2021-01-06 23:33:43,086 INFO L226 Difference]: Without dead ends: 178 [2021-01-06 23:33:43,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:33:43,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-01-06 23:33:43,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2021-01-06 23:33:43,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2021-01-06 23:33:43,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 418 transitions. [2021-01-06 23:33:43,093 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 418 transitions. Word has length 15 [2021-01-06 23:33:43,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:33:43,093 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 418 transitions. [2021-01-06 23:33:43,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 23:33:43,094 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 418 transitions. [2021-01-06 23:33:43,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-01-06 23:33:43,095 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:33:43,095 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:33:43,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 23:33:43,095 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:33:43,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:33:43,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1946861773, now seen corresponding path program 1 times [2021-01-06 23:33:43,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:33:43,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045669140] [2021-01-06 23:33:43,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:33:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:33:43,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:33:43,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045669140] [2021-01-06 23:33:43,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:33:43,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:33:43,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534260192] [2021-01-06 23:33:43,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 23:33:43,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:33:43,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 23:33:43,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 23:33:43,197 INFO L87 Difference]: Start difference. First operand 178 states and 418 transitions. Second operand 4 states. [2021-01-06 23:33:43,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:33:43,218 INFO L93 Difference]: Finished difference Result 120 states and 248 transitions. [2021-01-06 23:33:43,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 23:33:43,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2021-01-06 23:33:43,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:33:43,220 INFO L225 Difference]: With dead ends: 120 [2021-01-06 23:33:43,220 INFO L226 Difference]: Without dead ends: 120 [2021-01-06 23:33:43,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 23:33:43,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-01-06 23:33:43,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2021-01-06 23:33:43,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2021-01-06 23:33:43,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 248 transitions. [2021-01-06 23:33:43,225 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 248 transitions. Word has length 16 [2021-01-06 23:33:43,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:33:43,226 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 248 transitions. [2021-01-06 23:33:43,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 23:33:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 248 transitions. [2021-01-06 23:33:43,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-06 23:33:43,226 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:33:43,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:33:43,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 23:33:43,227 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:33:43,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:33:43,228 INFO L82 PathProgramCache]: Analyzing trace with hash 164652292, now seen corresponding path program 1 times [2021-01-06 23:33:43,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:33:43,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653415954] [2021-01-06 23:33:43,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:33:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:33:43,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:33:43,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653415954] [2021-01-06 23:33:43,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:33:43,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 23:33:43,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768800212] [2021-01-06 23:33:43,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:33:43,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:33:43,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:33:43,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:33:43,326 INFO L87 Difference]: Start difference. First operand 120 states and 248 transitions. Second operand 5 states. [2021-01-06 23:33:43,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:33:43,354 INFO L93 Difference]: Finished difference Result 94 states and 196 transitions. [2021-01-06 23:33:43,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 23:33:43,355 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2021-01-06 23:33:43,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:33:43,356 INFO L225 Difference]: With dead ends: 94 [2021-01-06 23:33:43,357 INFO L226 Difference]: Without dead ends: 94 [2021-01-06 23:33:43,357 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:33:43,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-01-06 23:33:43,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-01-06 23:33:43,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2021-01-06 23:33:43,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 196 transitions. [2021-01-06 23:33:43,361 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 196 transitions. Word has length 18 [2021-01-06 23:33:43,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:33:43,362 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 196 transitions. [2021-01-06 23:33:43,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:33:43,362 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 196 transitions. [2021-01-06 23:33:43,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-01-06 23:33:43,363 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:33:43,363 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] [2021-01-06 23:33:43,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 23:33:43,363 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:33:43,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:33:43,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1280585962, now seen corresponding path program 1 times [2021-01-06 23:33:43,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:33:43,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222736455] [2021-01-06 23:33:43,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:33:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 23:33:43,484 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 23:33:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 23:33:43,558 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 23:33:43,614 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 23:33:43,614 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 23:33:43,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 23:33:43,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 11:33:43 BasicIcfg [2021-01-06 23:33:43,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 23:33:43,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 23:33:43,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 23:33:43,787 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 23:33:43,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:33:24" (3/4) ... [2021-01-06 23:33:43,790 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-01-06 23:33:43,937 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/pthread-wmm/safe012_rmo.oepc.i-witness.graphml [2021-01-06 23:33:43,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 23:33:43,942 INFO L168 Benchmark]: Toolchain (without parser) took 22377.49 ms. Allocated memory was 151.0 MB in the beginning and 421.5 MB in the end (delta: 270.5 MB). Free memory was 124.2 MB in the beginning and 332.7 MB in the end (delta: -208.4 MB). Peak memory consumption was 63.1 MB. Max. memory is 8.0 GB. [2021-01-06 23:33:43,942 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 23:33:43,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.70 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 90.1 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. [2021-01-06 23:33:43,946 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.30 ms. Allocated memory is still 151.0 MB. Free memory was 90.1 MB in the beginning and 87.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 23:33:43,947 INFO L168 Benchmark]: Boogie Preprocessor took 43.69 ms. Allocated memory is still 151.0 MB. Free memory was 87.5 MB in the beginning and 85.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 23:33:43,948 INFO L168 Benchmark]: RCFGBuilder took 2021.87 ms. Allocated memory was 151.0 MB in the beginning and 187.7 MB in the end (delta: 36.7 MB). Free memory was 85.4 MB in the beginning and 76.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 47.9 MB. Max. memory is 8.0 GB. [2021-01-06 23:33:43,948 INFO L168 Benchmark]: TraceAbstraction took 19287.90 ms. Allocated memory was 187.7 MB in the beginning and 421.5 MB in the end (delta: 233.8 MB). Free memory was 76.3 MB in the beginning and 354.2 MB in the end (delta: -277.9 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 23:33:43,948 INFO L168 Benchmark]: Witness Printer took 150.74 ms. Allocated memory is still 421.5 MB. Free memory was 354.2 MB in the beginning and 332.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-06 23:33:43,953 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 797.70 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 90.1 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 66.30 ms. Allocated memory is still 151.0 MB. Free memory was 90.1 MB in the beginning and 87.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 43.69 ms. Allocated memory is still 151.0 MB. Free memory was 87.5 MB in the beginning and 85.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2021.87 ms. Allocated memory was 151.0 MB in the beginning and 187.7 MB in the end (delta: 36.7 MB). Free memory was 85.4 MB in the beginning and 76.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 47.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19287.90 ms. Allocated memory was 187.7 MB in the beginning and 421.5 MB in the end (delta: 233.8 MB). Free memory was 76.3 MB in the beginning and 354.2 MB in the end (delta: -277.9 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 150.74 ms. Allocated memory is still 421.5 MB. Free memory was 354.2 MB in the beginning and 332.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 950 VarBasedMoverChecksPositive, 50 VarBasedMoverChecksNegative, 11 SemBasedMoverChecksPositive, 39 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.6s, 146 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 16.0s, 122 PlacesBefore, 34 PlacesAfterwards, 114 TransitionsBefore, 25 TransitionsAfterwards, 1410 CoEnabledTransitionPairs, 7 FixpointIterations, 55 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 98 TotalNumberOfCompositions, 3574 MoverChecksTotal - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L713] 0 _Bool __unbuffered_p0_EAX$flush_delayed; [L714] 0 int __unbuffered_p0_EAX$mem_tmp; [L715] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd0; [L716] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd1; [L717] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd2; [L718] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd3; [L719] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd0; [L720] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd1; [L721] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd2; [L722] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd3; [L723] 0 _Bool __unbuffered_p0_EAX$read_delayed; [L724] 0 int *__unbuffered_p0_EAX$read_delayed_var; [L725] 0 int __unbuffered_p0_EAX$w_buff0; [L726] 0 _Bool __unbuffered_p0_EAX$w_buff0_used; [L727] 0 int __unbuffered_p0_EAX$w_buff1; [L728] 0 _Bool __unbuffered_p0_EAX$w_buff1_used; [L730] 0 int __unbuffered_p0_EBX = 0; [L732] 0 int __unbuffered_p2_EAX = 0; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L738] 0 int y = 0; [L740] 0 int z = 0; [L741] 0 _Bool z$flush_delayed; [L742] 0 int z$mem_tmp; [L743] 0 _Bool z$r_buff0_thd0; [L744] 0 _Bool z$r_buff0_thd1; [L745] 0 _Bool z$r_buff0_thd2; [L746] 0 _Bool z$r_buff0_thd3; [L747] 0 _Bool z$r_buff1_thd0; [L748] 0 _Bool z$r_buff1_thd1; [L749] 0 _Bool z$r_buff1_thd2; [L750] 0 _Bool z$r_buff1_thd3; [L751] 0 _Bool z$read_delayed; [L752] 0 int *z$read_delayed_var; [L753] 0 int z$w_buff0; [L754] 0 _Bool z$w_buff0_used; [L755] 0 int z$w_buff1; [L756] 0 _Bool z$w_buff1_used; [L757] 0 _Bool weak$$choice0; [L758] 0 _Bool weak$$choice1; [L759] 0 _Bool weak$$choice2; [L836] 0 pthread_t t2061; [L837] FCALL, FORK 0 pthread_create(&t2061, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z={5:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L838] 0 pthread_t t2062; [L763] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L764] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L765] 1 z$flush_delayed = weak$$choice2 [L766] EXPR 1 \read(z) [L766] 1 z$mem_tmp = z [L767] EXPR 1 !z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z : (z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : z$w_buff1) [L767] EXPR 1 \read(z) [L767] EXPR 1 !z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z : (z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : z$w_buff1) [L767] 1 z = !z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z : (z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : z$w_buff1) [L768] EXPR 1 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : z$w_buff0)) [L768] EXPR 1 !z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : z$w_buff0) [L768] EXPR 1 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : z$w_buff0)) [L768] 1 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : z$w_buff0)) [L769] EXPR 1 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff1 : z$w_buff1)) [L769] EXPR 1 !z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff1 : z$w_buff1) [L769] EXPR 1 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff1 : z$w_buff1)) [L769] 1 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff1 : z$w_buff1)) [L770] EXPR 1 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used)) [L770] EXPR 1 !z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used) [L770] EXPR 1 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used)) [L770] 1 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used)) [L771] EXPR 1 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L771] EXPR 1 !z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L771] EXPR 1 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L771] 1 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L772] EXPR 1 weak$$choice2 ? z$r_buff0_thd1 : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$r_buff0_thd1 : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1)) [L772] EXPR 1 !z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$r_buff0_thd1 : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1) [L772] EXPR 1 weak$$choice2 ? z$r_buff0_thd1 : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$r_buff0_thd1 : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1)) [L772] 1 z$r_buff0_thd1 = weak$$choice2 ? z$r_buff0_thd1 : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$r_buff0_thd1 : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1)) [L773] EXPR 1 weak$$choice2 ? z$r_buff1_thd1 : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$r_buff1_thd1 : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L773] EXPR 1 !z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$r_buff1_thd1 : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L773] EXPR 1 weak$$choice2 ? z$r_buff1_thd1 : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$r_buff1_thd1 : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L773] 1 z$r_buff1_thd1 = weak$$choice2 ? z$r_buff1_thd1 : (!z$w_buff0_used || !z$r_buff0_thd1 && !z$w_buff1_used || !z$r_buff0_thd1 && !z$r_buff1_thd1 ? z$r_buff1_thd1 : (z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L774] 1 __unbuffered_p0_EAX$read_delayed = (_Bool)1 [L775] 1 __unbuffered_p0_EAX$read_delayed_var = &z [L776] EXPR 1 \read(z) [L776] 1 __unbuffered_p0_EAX = z [L777] EXPR 1 z$flush_delayed ? z$mem_tmp : z [L777] EXPR 1 \read(z) [L777] EXPR 1 z$flush_delayed ? z$mem_tmp : z [L777] 1 z = z$flush_delayed ? z$mem_tmp : z [L778] 1 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={5:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z={5:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L781] 1 __unbuffered_p0_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={5:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z={5:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L786] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L788] 1 return 0; [L839] FCALL, FORK 0 pthread_create(&t2062, ((void *)0), P1, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={5:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z={5:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L840] 0 pthread_t t2063; [L793] 2 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={5:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=1, y=0, z={5:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L796] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={5:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=1, y=1, z={5:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L801] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L803] 2 return 0; [L841] FCALL, FORK 0 pthread_create(&t2063, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={5:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=1, y=1, z={5:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L808] 3 __unbuffered_p2_EAX = y VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={5:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=1, y=1, z={5:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L811] 3 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={5:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=1, y=1, z={5:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L814] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L814] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L814] EXPR 3 \read(z) [L814] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L814] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L814] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L815] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L815] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L816] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L816] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L817] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L817] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L818] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L818] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L821] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L823] 3 return 0; [L843] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={5:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=1, y=1, z={5:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L847] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L847] EXPR 0 \read(z) [L847] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L847] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L848] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L848] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L849] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L850] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L850] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L851] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L851] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L854] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L855] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L855] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L855] EXPR 0 \read(*__unbuffered_p0_EAX$read_delayed_var) [L855] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L855] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L855] 0 __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L856] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 1) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={5:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=1, weak$$choice2=0, x=1, y=1, z={5:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={5:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=1, weak$$choice2=0, x=1, y=1, z={5:0}, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18.9s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 16.0s, HoareTripleCheckerStatistics: 180 SDtfs, 178 SDslu, 323 SDs, 0 SdLazy, 138 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=522occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 8150 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...