/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/rfi004_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 23:28:15,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 23:28:15,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 23:28:15,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 23:28:15,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 23:28:15,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 23:28:15,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 23:28:15,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 23:28:15,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 23:28:15,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 23:28:15,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 23:28:15,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 23:28:15,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 23:28:15,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 23:28:15,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 23:28:15,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 23:28:15,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 23:28:15,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 23:28:15,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 23:28:15,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 23:28:15,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 23:28:15,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 23:28:15,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 23:28:15,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 23:28:15,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 23:28:15,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 23:28:15,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 23:28:15,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 23:28:15,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 23:28:15,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 23:28:15,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 23:28:15,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 23:28:15,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 23:28:15,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 23:28:15,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 23:28:15,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 23:28:15,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 23:28:15,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 23:28:15,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 23:28:15,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 23:28:15,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 23:28:15,538 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 23:28:15,592 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 23:28:15,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 23:28:15,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 23:28:15,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 23:28:15,598 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 23:28:15,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 23:28:15,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 23:28:15,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 23:28:15,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 23:28:15,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 23:28:15,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 23:28:15,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 23:28:15,602 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 23:28:15,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 23:28:15,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 23:28:15,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 23:28:15,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 23:28:15,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 23:28:15,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 23:28:15,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 23:28:15,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 23:28:15,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 23:28:15,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 23:28:15,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 23:28:15,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 23:28:15,605 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 23:28:16,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 23:28:16,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 23:28:16,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 23:28:16,173 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 23:28:16,174 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 23:28:16,175 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi004_rmo.opt.i [2021-01-06 23:28:16,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/93ae3528c/6dd3268e42e944fca39d71ed76e76c85/FLAG137b933f1 [2021-01-06 23:28:16,963 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 23:28:16,963 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi004_rmo.opt.i [2021-01-06 23:28:16,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/93ae3528c/6dd3268e42e944fca39d71ed76e76c85/FLAG137b933f1 [2021-01-06 23:28:17,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/93ae3528c/6dd3268e42e944fca39d71ed76e76c85 [2021-01-06 23:28:17,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 23:28:17,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 23:28:17,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 23:28:17,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 23:28:17,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 23:28:17,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:28:17" (1/1) ... [2021-01-06 23:28:17,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f7205c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:28:17, skipping insertion in model container [2021-01-06 23:28:17,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:28:17" (1/1) ... [2021-01-06 23:28:17,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 23:28:17,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 23:28:17,624 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/rfi004_rmo.opt.i[991,1004] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] 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[~y$flush_delayed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$mem_tmp~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff0_thd1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff1_thd1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p0_EAX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$flush_delayed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff1_thd0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff1_thd1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff1_thd2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff0_thd2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p1_EAX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p1_EBX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff0_thd2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff1_thd2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff0_thd0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff1_thd0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard1~0,GLOBAL] [2021-01-06 23:28:17,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 23:28:17,927 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 23:28:17,950 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/rfi004_rmo.opt.i[991,1004] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] 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[~y$flush_delayed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$mem_tmp~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff0_thd1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff1_thd1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p0_EAX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$flush_delayed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff1_thd0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff1_thd1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff1_thd2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff0_thd2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p1_EAX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p1_EBX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff0_thd2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff1_thd2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff0_thd0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff1_thd0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard1~0,GLOBAL] [2021-01-06 23:28:18,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 23:28:18,222 INFO L208 MainTranslator]: Completed translation [2021-01-06 23:28:18,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:28:18 WrapperNode [2021-01-06 23:28:18,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 23:28:18,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 23:28:18,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 23:28:18,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 23:28:18,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:28:18" (1/1) ... [2021-01-06 23:28:18,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:28:18" (1/1) ... [2021-01-06 23:28:18,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 23:28:18,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 23:28:18,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 23:28:18,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 23:28:18,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:28:18" (1/1) ... [2021-01-06 23:28:18,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:28:18" (1/1) ... [2021-01-06 23:28:18,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:28:18" (1/1) ... [2021-01-06 23:28:18,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:28:18" (1/1) ... [2021-01-06 23:28:18,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:28:18" (1/1) ... [2021-01-06 23:28:18,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:28:18" (1/1) ... [2021-01-06 23:28:18,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:28:18" (1/1) ... [2021-01-06 23:28:18,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 23:28:18,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 23:28:18,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 23:28:18,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 23:28:18,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:28:18" (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 23:28:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-06 23:28:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-06 23:28:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 23:28:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-06 23:28:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-06 23:28:18,561 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-06 23:28:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-06 23:28:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-06 23:28:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 23:28:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-06 23:28:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 23:28:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 23:28:18,568 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 23:28:20,723 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 23:28:20,724 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-01-06 23:28:20,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:28:20 BoogieIcfgContainer [2021-01-06 23:28:20,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 23:28:20,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 23:28:20,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 23:28:20,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 23:28:20,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 11:28:17" (1/3) ... [2021-01-06 23:28:20,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635cab78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:28:20, skipping insertion in model container [2021-01-06 23:28:20,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:28:18" (2/3) ... [2021-01-06 23:28:20,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635cab78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:28:20, skipping insertion in model container [2021-01-06 23:28:20,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:28:20" (3/3) ... [2021-01-06 23:28:20,736 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi004_rmo.opt.i [2021-01-06 23:28:20,744 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-06 23:28:20,744 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 23:28:20,750 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 23:28:20,751 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-06 23:28:20,793 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,793 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,794 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,794 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,795 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,795 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,795 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,795 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,795 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,796 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,796 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,796 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,796 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,796 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,797 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,797 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,797 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,797 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,797 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,798 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,798 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,798 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,798 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,798 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,798 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,800 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,800 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,800 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,800 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,800 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,800 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,801 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,801 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,801 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,801 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,801 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,802 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,802 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,802 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,804 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,804 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,815 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,815 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,815 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,815 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,816 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,816 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,816 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,816 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,817 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,817 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,817 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,817 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,818 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,818 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,818 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,818 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,825 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,826 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,826 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,831 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,831 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,831 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,831 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,831 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,832 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,832 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,832 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,832 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,832 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,832 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,833 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,833 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,833 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,833 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,833 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,835 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,835 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,835 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:28:20,837 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-06 23:28:20,861 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-01-06 23:28:20,890 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 23:28:20,891 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 23:28:20,891 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 23:28:20,891 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 23:28:20,891 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 23:28:20,891 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 23:28:20,920 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 23:28:20,920 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 23:28:20,946 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-01-06 23:28:20,948 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 84 transitions, 178 flow [2021-01-06 23:28:20,952 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 84 transitions, 178 flow [2021-01-06 23:28:20,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 84 transitions, 178 flow [2021-01-06 23:28:21,001 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-01-06 23:28:21,001 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-01-06 23:28:21,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 47 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-01-06 23:28:21,008 INFO L116 LiptonReduction]: Number of co-enabled transitions 968 [2021-01-06 23:28:21,576 WARN L197 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-01-06 23:28:21,689 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-06 23:28:22,295 WARN L197 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-01-06 23:28:22,495 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-01-06 23:28:22,779 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 224 [2021-01-06 23:28:22,995 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:22,996 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:28:22,998 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:22,998 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:28:23,003 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:23,004 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 23:28:23,009 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:23,009 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 23:28:23,048 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:23,049 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:28:23,050 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:23,051 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:28:23,054 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:23,055 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 23:28:23,058 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:23,059 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 23:28:23,876 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:23,876 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:28:23,877 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:23,878 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:28:23,880 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:23,881 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 23:28:23,884 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:23,884 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 23:28:23,914 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:23,914 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:28:23,916 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:23,916 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:28:23,919 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:23,919 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 23:28:23,922 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:23,923 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 23:28:24,192 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2021-01-06 23:28:24,193 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:28:24,641 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 4, 4, 3, 2, 1] term [2021-01-06 23:28:24,641 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:28:24,645 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 2, 1] term [2021-01-06 23:28:24,646 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:28:24,647 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 4, 4, 3, 2, 1] term [2021-01-06 23:28:24,647 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:28:24,797 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:24,798 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:28:24,800 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-01-06 23:28:24,801 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 23:28:24,802 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2021-01-06 23:28:24,802 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 23:28:24,804 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-01-06 23:28:24,804 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 23:28:24,808 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:28:24,810 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:28:24,813 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:28:24,813 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:28:24,816 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:28:24,824 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:28:24,927 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:28:24,928 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 23:28:24,931 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 2, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:28:24,931 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:28:25,175 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:28:25,176 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 23:28:25,179 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 2, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:28:25,180 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:28:25,246 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:28:25,247 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:28:25,250 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-01-06 23:28:25,250 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 23:28:25,251 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2021-01-06 23:28:25,252 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 23:28:25,254 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-01-06 23:28:25,254 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 23:28:25,257 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:28:25,258 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:28:25,260 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:28:25,261 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:28:25,262 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:28:25,262 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:28:25,696 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 4, 4, 3, 2, 1] term [2021-01-06 23:28:25,697 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:28:25,698 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 2, 1] term [2021-01-06 23:28:25,698 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:28:25,699 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 4, 4, 3, 2, 1] term [2021-01-06 23:28:25,700 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:28:26,216 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-01-06 23:28:26,391 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-01-06 23:28:26,878 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-01-06 23:28:28,099 WARN L197 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-01-06 23:28:28,329 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-01-06 23:28:28,859 WARN L197 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-01-06 23:28:29,155 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-01-06 23:28:29,281 INFO L131 LiptonReduction]: Checked pairs total: 2619 [2021-01-06 23:28:29,281 INFO L133 LiptonReduction]: Total number of compositions: 77 [2021-01-06 23:28:29,289 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 20 transitions, 50 flow [2021-01-06 23:28:29,316 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 150 states. [2021-01-06 23:28:29,318 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2021-01-06 23:28:29,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-01-06 23:28:29,325 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:28:29,325 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-01-06 23:28:29,326 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:28:29,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:28:29,339 INFO L82 PathProgramCache]: Analyzing trace with hash 803171679, now seen corresponding path program 1 times [2021-01-06 23:28:29,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:28:29,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45324181] [2021-01-06 23:28:29,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:28:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:28:29,670 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 23:28:29,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45324181] [2021-01-06 23:28:29,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:28:29,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-01-06 23:28:29,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161471137] [2021-01-06 23:28:29,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 23:28:29,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:28:29,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 23:28:29,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:28:29,711 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 3 states. [2021-01-06 23:28:29,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:28:29,786 INFO L93 Difference]: Finished difference Result 130 states and 302 transitions. [2021-01-06 23:28:29,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 23:28:29,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2021-01-06 23:28:29,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:28:29,807 INFO L225 Difference]: With dead ends: 130 [2021-01-06 23:28:29,807 INFO L226 Difference]: Without dead ends: 106 [2021-01-06 23:28:29,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:28:29,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-01-06 23:28:29,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2021-01-06 23:28:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2021-01-06 23:28:29,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 240 transitions. [2021-01-06 23:28:29,879 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 240 transitions. Word has length 5 [2021-01-06 23:28:29,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:28:29,880 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 240 transitions. [2021-01-06 23:28:29,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 23:28:29,880 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 240 transitions. [2021-01-06 23:28:29,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-01-06 23:28:29,881 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:28:29,881 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:28:29,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 23:28:29,881 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:28:29,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:28:29,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1246082300, now seen corresponding path program 1 times [2021-01-06 23:28:29,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:28:29,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741521640] [2021-01-06 23:28:29,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:28:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:28:30,052 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 23:28:30,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741521640] [2021-01-06 23:28:30,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:28:30,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-01-06 23:28:30,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695741805] [2021-01-06 23:28:30,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 23:28:30,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:28:30,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 23:28:30,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:28:30,060 INFO L87 Difference]: Start difference. First operand 106 states and 240 transitions. Second operand 3 states. [2021-01-06 23:28:30,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:28:30,075 INFO L93 Difference]: Finished difference Result 102 states and 228 transitions. [2021-01-06 23:28:30,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 23:28:30,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2021-01-06 23:28:30,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:28:30,077 INFO L225 Difference]: With dead ends: 102 [2021-01-06 23:28:30,077 INFO L226 Difference]: Without dead ends: 102 [2021-01-06 23:28:30,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:28:30,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-01-06 23:28:30,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2021-01-06 23:28:30,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2021-01-06 23:28:30,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 228 transitions. [2021-01-06 23:28:30,088 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 228 transitions. Word has length 7 [2021-01-06 23:28:30,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:28:30,089 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 228 transitions. [2021-01-06 23:28:30,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 23:28:30,089 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 228 transitions. [2021-01-06 23:28:30,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-01-06 23:28:30,090 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:28:30,090 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:28:30,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 23:28:30,091 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:28:30,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:28:30,091 INFO L82 PathProgramCache]: Analyzing trace with hash 787173886, now seen corresponding path program 1 times [2021-01-06 23:28:30,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:28:30,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035191362] [2021-01-06 23:28:30,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:28:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:28:30,183 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 23:28:30,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035191362] [2021-01-06 23:28:30,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:28:30,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:28:30,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312910240] [2021-01-06 23:28:30,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 23:28:30,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:28:30,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 23:28:30,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 23:28:30,186 INFO L87 Difference]: Start difference. First operand 102 states and 228 transitions. Second operand 4 states. [2021-01-06 23:28:30,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:28:30,235 INFO L93 Difference]: Finished difference Result 85 states and 158 transitions. [2021-01-06 23:28:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 23:28:30,236 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2021-01-06 23:28:30,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:28:30,239 INFO L225 Difference]: With dead ends: 85 [2021-01-06 23:28:30,239 INFO L226 Difference]: Without dead ends: 61 [2021-01-06 23:28:30,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:28:30,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-01-06 23:28:30,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-01-06 23:28:30,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2021-01-06 23:28:30,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 105 transitions. [2021-01-06 23:28:30,253 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 105 transitions. Word has length 9 [2021-01-06 23:28:30,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:28:30,254 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 105 transitions. [2021-01-06 23:28:30,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 23:28:30,254 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 105 transitions. [2021-01-06 23:28:30,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-01-06 23:28:30,255 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:28:30,255 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:28:30,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 23:28:30,255 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:28:30,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:28:30,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1301216375, now seen corresponding path program 1 times [2021-01-06 23:28:30,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:28:30,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557689839] [2021-01-06 23:28:30,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:28:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:28:30,417 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 23:28:30,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557689839] [2021-01-06 23:28:30,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:28:30,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 23:28:30,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027840624] [2021-01-06 23:28:30,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 23:28:30,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:28:30,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 23:28:30,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 23:28:30,422 INFO L87 Difference]: Start difference. First operand 61 states and 105 transitions. Second operand 4 states. [2021-01-06 23:28:30,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:28:30,440 INFO L93 Difference]: Finished difference Result 59 states and 101 transitions. [2021-01-06 23:28:30,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 23:28:30,441 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2021-01-06 23:28:30,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:28:30,442 INFO L225 Difference]: With dead ends: 59 [2021-01-06 23:28:30,442 INFO L226 Difference]: Without dead ends: 59 [2021-01-06 23:28:30,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 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 23:28:30,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-01-06 23:28:30,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-01-06 23:28:30,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2021-01-06 23:28:30,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 101 transitions. [2021-01-06 23:28:30,450 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 101 transitions. Word has length 10 [2021-01-06 23:28:30,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:28:30,450 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 101 transitions. [2021-01-06 23:28:30,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 23:28:30,450 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 101 transitions. [2021-01-06 23:28:30,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-01-06 23:28:30,452 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:28:30,452 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:28:30,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 23:28:30,453 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:28:30,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:28:30,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1934215373, now seen corresponding path program 1 times [2021-01-06 23:28:30,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:28:30,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709352216] [2021-01-06 23:28:30,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:28:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:28:30,558 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 23:28:30,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709352216] [2021-01-06 23:28:30,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:28:30,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 23:28:30,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709274464] [2021-01-06 23:28:30,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:28:30,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:28:30,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:28:30,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:28:30,561 INFO L87 Difference]: Start difference. First operand 59 states and 101 transitions. Second operand 5 states. [2021-01-06 23:28:30,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:28:30,605 INFO L93 Difference]: Finished difference Result 46 states and 73 transitions. [2021-01-06 23:28:30,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:28:30,606 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2021-01-06 23:28:30,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:28:30,607 INFO L225 Difference]: With dead ends: 46 [2021-01-06 23:28:30,607 INFO L226 Difference]: Without dead ends: 37 [2021-01-06 23:28:30,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 23:28:30,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-01-06 23:28:30,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-01-06 23:28:30,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-01-06 23:28:30,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 57 transitions. [2021-01-06 23:28:30,611 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 57 transitions. Word has length 12 [2021-01-06 23:28:30,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:28:30,611 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 57 transitions. [2021-01-06 23:28:30,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:28:30,611 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2021-01-06 23:28:30,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-06 23:28:30,612 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:28:30,612 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:28:30,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 23:28:30,613 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:28:30,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:28:30,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1589996246, now seen corresponding path program 1 times [2021-01-06 23:28:30,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:28:30,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352387725] [2021-01-06 23:28:30,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:28:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:28:30,681 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 23:28:30,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352387725] [2021-01-06 23:28:30,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:28:30,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:28:30,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718828657] [2021-01-06 23:28:30,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 23:28:30,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:28:30,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 23:28:30,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 23:28:30,684 INFO L87 Difference]: Start difference. First operand 37 states and 57 transitions. Second operand 4 states. [2021-01-06 23:28:30,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:28:30,702 INFO L93 Difference]: Finished difference Result 48 states and 71 transitions. [2021-01-06 23:28:30,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 23:28:30,702 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2021-01-06 23:28:30,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:28:30,703 INFO L225 Difference]: With dead ends: 48 [2021-01-06 23:28:30,703 INFO L226 Difference]: Without dead ends: 22 [2021-01-06 23:28:30,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:28:30,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-01-06 23:28:30,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-01-06 23:28:30,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-01-06 23:28:30,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-01-06 23:28:30,706 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 15 [2021-01-06 23:28:30,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:28:30,706 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-01-06 23:28:30,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 23:28:30,707 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-01-06 23:28:30,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-06 23:28:30,707 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:28:30,707 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:28:30,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 23:28:30,708 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:28:30,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:28:30,708 INFO L82 PathProgramCache]: Analyzing trace with hash 331000746, now seen corresponding path program 2 times [2021-01-06 23:28:30,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:28:30,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879179111] [2021-01-06 23:28:30,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:28:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 23:28:30,771 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 23:28:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 23:28:30,882 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 23:28:30,935 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 23:28:30,935 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 23:28:30,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 23:28:31,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 11:28:31 BasicIcfg [2021-01-06 23:28:31,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 23:28:31,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 23:28:31,053 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 23:28:31,053 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 23:28:31,054 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:28:20" (3/4) ... [2021-01-06 23:28:31,056 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-01-06 23:28:31,149 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/pthread-wmm/rfi004_rmo.opt.i-witness.graphml [2021-01-06 23:28:31,149 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 23:28:31,150 INFO L168 Benchmark]: Toolchain (without parser) took 13883.31 ms. Allocated memory was 165.7 MB in the beginning and 324.0 MB in the end (delta: 158.3 MB). Free memory was 139.5 MB in the beginning and 128.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 170.4 MB. Max. memory is 8.0 GB. [2021-01-06 23:28:31,151 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 165.7 MB. Free memory is still 137.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 23:28:31,151 INFO L168 Benchmark]: CACSL2BoogieTranslator took 949.15 ms. Allocated memory is still 165.7 MB. Free memory was 139.4 MB in the beginning and 141.2 MB in the end (delta: -1.8 MB). Peak memory consumption was 33.2 MB. Max. memory is 8.0 GB. [2021-01-06 23:28:31,151 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.69 ms. Allocated memory is still 165.7 MB. Free memory was 141.2 MB in the beginning and 139.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 23:28:31,152 INFO L168 Benchmark]: Boogie Preprocessor took 65.35 ms. Allocated memory is still 165.7 MB. Free memory was 139.1 MB in the beginning and 137.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 23:28:31,152 INFO L168 Benchmark]: RCFGBuilder took 2320.34 ms. Allocated memory was 165.7 MB in the beginning and 204.5 MB in the end (delta: 38.8 MB). Free memory was 137.0 MB in the beginning and 87.2 MB in the end (delta: 49.8 MB). Peak memory consumption was 89.1 MB. Max. memory is 8.0 GB. [2021-01-06 23:28:31,153 INFO L168 Benchmark]: TraceAbstraction took 10324.08 ms. Allocated memory was 204.5 MB in the beginning and 324.0 MB in the end (delta: 119.5 MB). Free memory was 86.7 MB in the beginning and 138.2 MB in the end (delta: -51.5 MB). Peak memory consumption was 68.6 MB. Max. memory is 8.0 GB. [2021-01-06 23:28:31,153 INFO L168 Benchmark]: Witness Printer took 96.39 ms. Allocated memory is still 324.0 MB. Free memory was 138.2 MB in the beginning and 128.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-01-06 23:28:31,159 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 165.7 MB. Free memory is still 137.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 949.15 ms. Allocated memory is still 165.7 MB. Free memory was 139.4 MB in the beginning and 141.2 MB in the end (delta: -1.8 MB). Peak memory consumption was 33.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 113.69 ms. Allocated memory is still 165.7 MB. Free memory was 141.2 MB in the beginning and 139.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 65.35 ms. Allocated memory is still 165.7 MB. Free memory was 139.1 MB in the beginning and 137.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2320.34 ms. Allocated memory was 165.7 MB in the beginning and 204.5 MB in the end (delta: 38.8 MB). Free memory was 137.0 MB in the beginning and 87.2 MB in the end (delta: 49.8 MB). Peak memory consumption was 89.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10324.08 ms. Allocated memory was 204.5 MB in the beginning and 324.0 MB in the end (delta: 119.5 MB). Free memory was 86.7 MB in the beginning and 138.2 MB in the end (delta: -51.5 MB). Peak memory consumption was 68.6 MB. Max. memory is 8.0 GB. * Witness Printer took 96.39 ms. Allocated memory is still 324.0 MB. Free memory was 138.2 MB in the beginning and 128.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 671 VarBasedMoverChecksPositive, 48 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 36 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 2.0s, 67 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.3s, 89 PlacesBefore, 26 PlacesAfterwards, 84 TransitionsBefore, 20 TransitionsAfterwards, 968 CoEnabledTransitionPairs, 8 FixpointIterations, 35 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 77 TotalNumberOfCompositions, 2619 MoverChecksTotal - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L722] 0 _Bool y$flush_delayed; [L723] 0 int y$mem_tmp; [L724] 0 _Bool y$r_buff0_thd0; [L725] 0 _Bool y$r_buff0_thd1; [L726] 0 _Bool y$r_buff0_thd2; [L727] 0 _Bool y$r_buff1_thd0; [L728] 0 _Bool y$r_buff1_thd1; [L729] 0 _Bool y$r_buff1_thd2; [L730] 0 _Bool y$read_delayed; [L731] 0 int *y$read_delayed_var; [L732] 0 int y$w_buff0; [L733] 0 _Bool y$w_buff0_used; [L734] 0 int y$w_buff1; [L735] 0 _Bool y$w_buff1_used; [L737] 0 int z = 0; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L815] 0 pthread_t t1659; [L816] FCALL, FORK 0 pthread_create(&t1659, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L817] 0 pthread_t t1660; [L818] FCALL, FORK 0 pthread_create(&t1660, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L773] 2 y$w_buff1 = y$w_buff0 [L774] 2 y$w_buff0 = 1 [L775] 2 y$w_buff1_used = y$w_buff0_used [L776] 2 y$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L778] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L779] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L780] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L781] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L784] 2 z = 1 [L787] 2 __unbuffered_p1_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L790] 2 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L743] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L748] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L749] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L750] 1 y$flush_delayed = weak$$choice2 [L751] 1 y$mem_tmp = y [L752] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L752] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L753] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L753] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0) [L753] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L753] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L754] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L754] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1) [L754] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L754] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L755] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L755] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used) [L755] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L755] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L756] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L756] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L757] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1) [L757] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L757] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L758] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L758] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] 1 __unbuffered_p0_EAX = y [L760] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L760] 1 y = y$flush_delayed ? y$mem_tmp : y [L761] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L793] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L793] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L794] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L794] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L795] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L795] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L796] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L796] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L797] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L797] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L800] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L802] 2 return 0; [L766] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L768] 1 return 0; [L820] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L4] COND FALSE 0 !(!cond) [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L825] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L825] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L826] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L827] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L828] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L828] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L831] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 83 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.0s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.3s, HoareTripleCheckerStatistics: 102 SDtfs, 74 SDslu, 112 SDs, 0 SdLazy, 56 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 2084 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...