/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/safe034_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 13:46:16,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 13:46:16,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 13:46:16,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 13:46:16,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 13:46:16,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 13:46:16,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 13:46:16,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 13:46:16,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 13:46:16,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 13:46:16,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 13:46:16,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 13:46:16,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 13:46:16,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 13:46:16,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 13:46:16,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 13:46:16,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 13:46:16,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 13:46:16,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 13:46:16,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 13:46:16,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 13:46:16,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 13:46:16,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 13:46:16,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 13:46:16,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 13:46:16,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 13:46:16,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 13:46:16,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 13:46:16,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 13:46:16,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 13:46:16,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 13:46:16,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 13:46:16,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 13:46:16,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 13:46:16,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 13:46:16,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 13:46:16,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 13:46:16,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 13:46:16,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 13:46:16,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 13:46:16,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 13:46:16,766 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 13:46:16,793 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 13:46:16,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 13:46:16,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 13:46:16,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 13:46:16,795 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 13:46:16,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 13:46:16,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 13:46:16,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 13:46:16,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 13:46:16,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 13:46:16,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 13:46:16,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 13:46:16,797 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 13:46:16,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 13:46:16,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 13:46:16,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 13:46:16,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 13:46:16,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 13:46:16,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 13:46:16,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 13:46:16,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 13:46:16,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 13:46:16,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 13:46:16,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 13:46:16,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 13:46:16,800 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 13:46:17,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 13:46:17,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 13:46:17,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 13:46:17,222 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 13:46:17,222 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 13:46:17,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe034_power.oepc.i [2020-12-23 13:46:17,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/bcb319d88/54aebbaf00ba4098a777ed96f1656f58/FLAG44f0ed309 [2020-12-23 13:46:17,934 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 13:46:17,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe034_power.oepc.i [2020-12-23 13:46:17,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/bcb319d88/54aebbaf00ba4098a777ed96f1656f58/FLAG44f0ed309 [2020-12-23 13:46:18,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/bcb319d88/54aebbaf00ba4098a777ed96f1656f58 [2020-12-23 13:46:18,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 13:46:18,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 13:46:18,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 13:46:18,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 13:46:18,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 13:46:18,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:46:18" (1/1) ... [2020-12-23 13:46:18,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b5e30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:46:18, skipping insertion in model container [2020-12-23 13:46:18,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:46:18" (1/1) ... [2020-12-23 13:46:18,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 13:46:18,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 13:46:18,489 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/safe034_power.oepc.i[952,965] left hand side expression in assignment: lhs: VariableLHS[~z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p0_EAX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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$r_buff0_thd2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff1_thd2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p1_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$r_buff1_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff0_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z~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$r_buff0_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff1_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$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] [2020-12-23 13:46:18,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:46:18,791 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 13:46:18,805 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/safe034_power.oepc.i[952,965] left hand side expression in assignment: lhs: VariableLHS[~z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p0_EAX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~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$r_buff0_thd2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff1_thd2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p1_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$r_buff1_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff0_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z~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$r_buff0_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$r_buff1_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y$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] [2020-12-23 13:46:18,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:46:18,985 INFO L208 MainTranslator]: Completed translation [2020-12-23 13:46:18,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:46:18 WrapperNode [2020-12-23 13:46:18,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 13:46:18,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 13:46:18,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 13:46:18,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 13:46:19,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:46:18" (1/1) ... [2020-12-23 13:46:19,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:46:18" (1/1) ... [2020-12-23 13:46:19,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 13:46:19,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 13:46:19,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 13:46:19,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 13:46:19,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:46:18" (1/1) ... [2020-12-23 13:46:19,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:46:18" (1/1) ... [2020-12-23 13:46:19,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:46:18" (1/1) ... [2020-12-23 13:46:19,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:46:18" (1/1) ... [2020-12-23 13:46:19,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:46:18" (1/1) ... [2020-12-23 13:46:19,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:46:18" (1/1) ... [2020-12-23 13:46:19,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:46:18" (1/1) ... [2020-12-23 13:46:19,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 13:46:19,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 13:46:19,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 13:46:19,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 13:46:19,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:46:18" (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 [2020-12-23 13:46:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 13:46:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-23 13:46:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 13:46:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 13:46:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-12-23 13:46:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-12-23 13:46:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-12-23 13:46:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-12-23 13:46:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-12-23 13:46:19,222 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-12-23 13:46:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 13:46:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-23 13:46:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 13:46:19,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 13:46:19,226 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-23 13:46:21,161 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 13:46:21,162 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-23 13:46:21,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:46:21 BoogieIcfgContainer [2020-12-23 13:46:21,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 13:46:21,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 13:46:21,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 13:46:21,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 13:46:21,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:46:18" (1/3) ... [2020-12-23 13:46:21,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae37e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:46:21, skipping insertion in model container [2020-12-23 13:46:21,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:46:18" (2/3) ... [2020-12-23 13:46:21,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae37e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:46:21, skipping insertion in model container [2020-12-23 13:46:21,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:46:21" (3/3) ... [2020-12-23 13:46:21,222 INFO L111 eAbstractionObserver]: Analyzing ICFG safe034_power.oepc.i [2020-12-23 13:46:21,229 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-23 13:46:21,230 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 13:46:21,235 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 13:46:21,240 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-23 13:46:21,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,284 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,284 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,284 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,285 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,286 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,286 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,286 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,286 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,286 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,287 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,287 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,287 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,287 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,287 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,287 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,291 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,291 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,291 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,292 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,292 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,292 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,292 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,293 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,293 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,294 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,294 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,294 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,294 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,294 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,294 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,294 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,295 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,295 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,295 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,295 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,295 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,295 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,298 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,298 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,299 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,299 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,299 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,299 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,299 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,299 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,299 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,314 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,317 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,318 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,323 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,323 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,323 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,324 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,324 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,325 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,333 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,334 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,338 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,339 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,341 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,342 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,345 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,345 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,345 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,345 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,345 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,345 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:46:21,347 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-23 13:46:21,366 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 13:46:21,400 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 13:46:21,400 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 13:46:21,401 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 13:46:21,401 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 13:46:21,401 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 13:46:21,401 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 13:46:21,401 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 13:46:21,401 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 13:46:21,423 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 13:46:21,426 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 96 transitions, 207 flow [2020-12-23 13:46:21,429 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 96 transitions, 207 flow [2020-12-23 13:46:21,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 207 flow [2020-12-23 13:46:21,495 INFO L129 PetriNetUnfolder]: 2/93 cut-off events. [2020-12-23 13:46:21,495 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-12-23 13:46:21,514 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 93 events. 2/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2020-12-23 13:46:21,519 INFO L116 LiptonReduction]: Number of co-enabled transitions 1488 [2020-12-23 13:46:22,027 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:22,028 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:22,031 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:22,031 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:22,040 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:22,040 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 13:46:22,051 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:22,051 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 13:46:22,123 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:22,123 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:22,126 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:22,126 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:22,132 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:22,132 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 13:46:22,139 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:22,139 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 13:46:22,693 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2020-12-23 13:46:22,694 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:22,721 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:22,722 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:22,723 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:22,723 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:22,726 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:22,726 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 13:46:22,729 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:22,729 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 13:46:22,760 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:22,761 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:22,761 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:22,762 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:22,764 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:22,765 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 13:46:22,770 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:22,770 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 13:46:23,799 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-12-23 13:46:23,918 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-23 13:46:24,485 WARN L197 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2020-12-23 13:46:24,678 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 13:46:24,803 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2020-12-23 13:46:24,803 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:25,585 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:25,586 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:25,587 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:25,587 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:25,589 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:25,590 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 13:46:25,592 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:25,593 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 13:46:25,613 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:25,613 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:25,614 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:25,615 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:25,617 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:25,617 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 13:46:25,619 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:25,620 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 13:46:25,717 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:25,717 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:25,718 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:25,719 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:25,721 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:25,721 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 13:46:25,723 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:25,723 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 13:46:25,743 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:25,744 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:25,745 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:25,745 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:46:25,747 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:25,747 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 13:46:25,750 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-12-23 13:46:25,750 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 13:46:26,254 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-12-23 13:46:26,920 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-23 13:46:27,031 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-23 13:46:27,141 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-23 13:46:27,256 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-23 13:46:27,715 WARN L197 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-12-23 13:46:27,936 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-12-23 13:46:28,423 WARN L197 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-12-23 13:46:28,634 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-12-23 13:46:28,640 INFO L131 LiptonReduction]: Checked pairs total: 3765 [2020-12-23 13:46:28,640 INFO L133 LiptonReduction]: Total number of compositions: 82 [2020-12-23 13:46:28,649 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 26 transitions, 67 flow [2020-12-23 13:46:28,706 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 618 states. [2020-12-23 13:46:28,708 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states. [2020-12-23 13:46:28,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-23 13:46:28,715 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:46:28,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:46:28,716 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:46:28,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:46:28,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1987810900, now seen corresponding path program 1 times [2020-12-23 13:46:28,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:46:28,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738662319] [2020-12-23 13:46:28,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:46:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:46:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:46:29,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738662319] [2020-12-23 13:46:29,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:46:29,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-23 13:46:29,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23759925] [2020-12-23 13:46:29,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:46:29,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:46:29,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:46:29,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:46:29,037 INFO L87 Difference]: Start difference. First operand 618 states. Second operand 3 states. [2020-12-23 13:46:29,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:46:29,110 INFO L93 Difference]: Finished difference Result 522 states and 1600 transitions. [2020-12-23 13:46:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:46:29,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-12-23 13:46:29,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:46:29,136 INFO L225 Difference]: With dead ends: 522 [2020-12-23 13:46:29,136 INFO L226 Difference]: Without dead ends: 442 [2020-12-23 13:46:29,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:46:29,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-12-23 13:46:29,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2020-12-23 13:46:29,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-12-23 13:46:29,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 1336 transitions. [2020-12-23 13:46:29,222 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 1336 transitions. Word has length 7 [2020-12-23 13:46:29,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:46:29,222 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 1336 transitions. [2020-12-23 13:46:29,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:46:29,223 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 1336 transitions. [2020-12-23 13:46:29,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-23 13:46:29,225 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:46:29,225 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:46:29,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 13:46:29,226 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:46:29,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:46:29,226 INFO L82 PathProgramCache]: Analyzing trace with hash 135782341, now seen corresponding path program 1 times [2020-12-23 13:46:29,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:46:29,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681988899] [2020-12-23 13:46:29,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:46:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:46:29,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:46:29,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681988899] [2020-12-23 13:46:29,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:46:29,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 13:46:29,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160824080] [2020-12-23 13:46:29,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 13:46:29,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:46:29,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 13:46:29,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 13:46:29,331 INFO L87 Difference]: Start difference. First operand 442 states and 1336 transitions. Second operand 4 states. [2020-12-23 13:46:29,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:46:29,370 INFO L93 Difference]: Finished difference Result 506 states and 1468 transitions. [2020-12-23 13:46:29,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 13:46:29,371 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-12-23 13:46:29,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:46:29,376 INFO L225 Difference]: With dead ends: 506 [2020-12-23 13:46:29,376 INFO L226 Difference]: Without dead ends: 426 [2020-12-23 13:46:29,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:46:29,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-12-23 13:46:29,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2020-12-23 13:46:29,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-12-23 13:46:29,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 1276 transitions. [2020-12-23 13:46:29,413 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 1276 transitions. Word has length 10 [2020-12-23 13:46:29,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:46:29,413 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 1276 transitions. [2020-12-23 13:46:29,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 13:46:29,413 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1276 transitions. [2020-12-23 13:46:29,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-23 13:46:29,416 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:46:29,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:46:29,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 13:46:29,416 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:46:29,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:46:29,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1445237861, now seen corresponding path program 1 times [2020-12-23 13:46:29,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:46:29,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723179211] [2020-12-23 13:46:29,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:46:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:46:29,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:46:29,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723179211] [2020-12-23 13:46:29,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:46:29,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:46:29,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937662462] [2020-12-23 13:46:29,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 13:46:29,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:46:29,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 13:46:29,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 13:46:29,552 INFO L87 Difference]: Start difference. First operand 426 states and 1276 transitions. Second operand 4 states. [2020-12-23 13:46:29,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:46:29,591 INFO L93 Difference]: Finished difference Result 374 states and 968 transitions. [2020-12-23 13:46:29,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 13:46:29,594 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-12-23 13:46:29,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:46:29,597 INFO L225 Difference]: With dead ends: 374 [2020-12-23 13:46:29,597 INFO L226 Difference]: Without dead ends: 294 [2020-12-23 13:46:29,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:46:29,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-12-23 13:46:29,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-12-23 13:46:29,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-12-23 13:46:29,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 748 transitions. [2020-12-23 13:46:29,616 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 748 transitions. Word has length 11 [2020-12-23 13:46:29,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:46:29,616 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 748 transitions. [2020-12-23 13:46:29,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 13:46:29,616 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 748 transitions. [2020-12-23 13:46:29,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 13:46:29,617 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:46:29,618 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:46:29,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 13:46:29,620 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:46:29,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:46:29,621 INFO L82 PathProgramCache]: Analyzing trace with hash -706922925, now seen corresponding path program 1 times [2020-12-23 13:46:29,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:46:29,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276359552] [2020-12-23 13:46:29,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:46:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:46:29,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:46:29,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276359552] [2020-12-23 13:46:29,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:46:29,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 13:46:29,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869691226] [2020-12-23 13:46:29,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:46:29,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:46:29,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:46:29,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:46:29,707 INFO L87 Difference]: Start difference. First operand 294 states and 748 transitions. Second operand 5 states. [2020-12-23 13:46:29,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:46:29,755 INFO L93 Difference]: Finished difference Result 210 states and 473 transitions. [2020-12-23 13:46:29,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:46:29,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-23 13:46:29,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:46:29,757 INFO L225 Difference]: With dead ends: 210 [2020-12-23 13:46:29,757 INFO L226 Difference]: Without dead ends: 166 [2020-12-23 13:46:29,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 13:46:29,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-12-23 13:46:29,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2020-12-23 13:46:29,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-12-23 13:46:29,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 364 transitions. [2020-12-23 13:46:29,763 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 364 transitions. Word has length 13 [2020-12-23 13:46:29,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:46:29,763 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 364 transitions. [2020-12-23 13:46:29,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:46:29,763 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 364 transitions. [2020-12-23 13:46:29,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 13:46:29,764 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:46:29,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:46:29,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 13:46:29,765 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:46:29,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:46:29,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1566564095, now seen corresponding path program 1 times [2020-12-23 13:46:29,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:46:29,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384569521] [2020-12-23 13:46:29,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:46:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:46:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:46:30,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384569521] [2020-12-23 13:46:30,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:46:30,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:46:30,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274803442] [2020-12-23 13:46:30,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 13:46:30,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:46:30,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 13:46:30,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 13:46:30,020 INFO L87 Difference]: Start difference. First operand 166 states and 364 transitions. Second operand 6 states. [2020-12-23 13:46:30,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:46:30,067 INFO L93 Difference]: Finished difference Result 137 states and 304 transitions. [2020-12-23 13:46:30,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 13:46:30,068 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-12-23 13:46:30,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:46:30,069 INFO L225 Difference]: With dead ends: 137 [2020-12-23 13:46:30,069 INFO L226 Difference]: Without dead ends: 126 [2020-12-23 13:46:30,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:46:30,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-12-23 13:46:30,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-12-23 13:46:30,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-12-23 13:46:30,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 284 transitions. [2020-12-23 13:46:30,078 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 284 transitions. Word has length 16 [2020-12-23 13:46:30,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:46:30,078 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 284 transitions. [2020-12-23 13:46:30,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 13:46:30,079 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 284 transitions. [2020-12-23 13:46:30,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 13:46:30,079 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:46:30,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:46:30,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 13:46:30,080 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:46:30,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:46:30,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1246621260, now seen corresponding path program 1 times [2020-12-23 13:46:30,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:46:30,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61751612] [2020-12-23 13:46:30,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:46:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:46:30,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:46:30,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61751612] [2020-12-23 13:46:30,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:46:30,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:46:30,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147154467] [2020-12-23 13:46:30,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 13:46:30,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:46:30,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 13:46:30,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 13:46:30,289 INFO L87 Difference]: Start difference. First operand 126 states and 284 transitions. Second operand 4 states. [2020-12-23 13:46:30,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:46:30,318 INFO L93 Difference]: Finished difference Result 171 states and 375 transitions. [2020-12-23 13:46:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 13:46:30,318 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-12-23 13:46:30,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:46:30,319 INFO L225 Difference]: With dead ends: 171 [2020-12-23 13:46:30,320 INFO L226 Difference]: Without dead ends: 140 [2020-12-23 13:46:30,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:46:30,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-12-23 13:46:30,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 110. [2020-12-23 13:46:30,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-12-23 13:46:30,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 236 transitions. [2020-12-23 13:46:30,324 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 236 transitions. Word has length 20 [2020-12-23 13:46:30,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:46:30,324 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 236 transitions. [2020-12-23 13:46:30,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 13:46:30,325 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 236 transitions. [2020-12-23 13:46:30,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 13:46:30,325 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:46:30,325 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:46:30,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 13:46:30,326 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:46:30,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:46:30,326 INFO L82 PathProgramCache]: Analyzing trace with hash -271555276, now seen corresponding path program 2 times [2020-12-23 13:46:30,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:46:30,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181647210] [2020-12-23 13:46:30,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:46:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:46:30,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:46:30,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181647210] [2020-12-23 13:46:30,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:46:30,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:46:30,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292706022] [2020-12-23 13:46:30,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 13:46:30,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:46:30,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 13:46:30,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 13:46:30,422 INFO L87 Difference]: Start difference. First operand 110 states and 236 transitions. Second operand 4 states. [2020-12-23 13:46:30,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:46:30,439 INFO L93 Difference]: Finished difference Result 149 states and 314 transitions. [2020-12-23 13:46:30,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 13:46:30,440 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-12-23 13:46:30,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:46:30,440 INFO L225 Difference]: With dead ends: 149 [2020-12-23 13:46:30,441 INFO L226 Difference]: Without dead ends: 72 [2020-12-23 13:46:30,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:46:30,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-12-23 13:46:30,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-12-23 13:46:30,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-12-23 13:46:30,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 140 transitions. [2020-12-23 13:46:30,444 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 140 transitions. Word has length 20 [2020-12-23 13:46:30,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:46:30,444 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 140 transitions. [2020-12-23 13:46:30,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 13:46:30,444 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2020-12-23 13:46:30,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 13:46:30,444 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:46:30,445 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:46:30,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 13:46:30,445 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:46:30,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:46:30,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1798318620, now seen corresponding path program 3 times [2020-12-23 13:46:30,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:46:30,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531920188] [2020-12-23 13:46:30,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:46:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:46:30,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:46:30,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531920188] [2020-12-23 13:46:30,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:46:30,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 13:46:30,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755308933] [2020-12-23 13:46:30,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:46:30,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:46:30,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:46:30,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:46:30,541 INFO L87 Difference]: Start difference. First operand 72 states and 140 transitions. Second operand 5 states. [2020-12-23 13:46:30,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:46:30,566 INFO L93 Difference]: Finished difference Result 93 states and 176 transitions. [2020-12-23 13:46:30,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 13:46:30,566 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-12-23 13:46:30,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:46:30,567 INFO L225 Difference]: With dead ends: 93 [2020-12-23 13:46:30,567 INFO L226 Difference]: Without dead ends: 42 [2020-12-23 13:46:30,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:46:30,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-12-23 13:46:30,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-12-23 13:46:30,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-12-23 13:46:30,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 68 transitions. [2020-12-23 13:46:30,570 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 68 transitions. Word has length 20 [2020-12-23 13:46:30,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:46:30,570 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 68 transitions. [2020-12-23 13:46:30,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:46:30,570 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2020-12-23 13:46:30,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 13:46:30,571 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:46:30,571 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:46:30,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 13:46:30,571 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:46:30,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:46:30,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1350848858, now seen corresponding path program 4 times [2020-12-23 13:46:30,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:46:30,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318488353] [2020-12-23 13:46:30,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:46:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:46:30,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:46:30,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318488353] [2020-12-23 13:46:30,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:46:30,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:46:30,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169867119] [2020-12-23 13:46:30,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 13:46:30,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:46:30,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 13:46:30,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 13:46:30,715 INFO L87 Difference]: Start difference. First operand 42 states and 68 transitions. Second operand 6 states. [2020-12-23 13:46:30,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:46:30,778 INFO L93 Difference]: Finished difference Result 53 states and 83 transitions. [2020-12-23 13:46:30,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 13:46:30,778 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-12-23 13:46:30,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:46:30,778 INFO L225 Difference]: With dead ends: 53 [2020-12-23 13:46:30,778 INFO L226 Difference]: Without dead ends: 30 [2020-12-23 13:46:30,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-23 13:46:30,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-12-23 13:46:30,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-12-23 13:46:30,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-12-23 13:46:30,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-12-23 13:46:30,780 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 20 [2020-12-23 13:46:30,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:46:30,781 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-12-23 13:46:30,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 13:46:30,781 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-12-23 13:46:30,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 13:46:30,782 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:46:30,782 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:46:30,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 13:46:30,782 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:46:30,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:46:30,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1764478092, now seen corresponding path program 5 times [2020-12-23 13:46:30,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:46:30,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138933835] [2020-12-23 13:46:30,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:46:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:46:30,821 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:46:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:46:30,859 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:46:30,894 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 13:46:30,894 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 13:46:30,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 13:46:30,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:46:30 BasicIcfg [2020-12-23 13:46:30,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 13:46:30,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 13:46:30,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 13:46:30,985 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 13:46:30,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:46:21" (3/4) ... [2020-12-23 13:46:30,988 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-23 13:46:31,124 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/pthread-wmm/safe034_power.oepc.i-witness.graphml [2020-12-23 13:46:31,124 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 13:46:31,126 INFO L168 Benchmark]: Toolchain (without parser) took 12887.45 ms. Allocated memory was 156.2 MB in the beginning and 327.2 MB in the end (delta: 170.9 MB). Free memory was 129.6 MB in the beginning and 127.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 174.5 MB. Max. memory is 8.0 GB. [2020-12-23 13:46:31,126 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 156.2 MB. Free memory is still 129.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 13:46:31,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.70 ms. Allocated memory is still 156.2 MB. Free memory was 129.4 MB in the beginning and 135.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 36.9 MB. Max. memory is 8.0 GB. [2020-12-23 13:46:31,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.45 ms. Allocated memory is still 156.2 MB. Free memory was 135.6 MB in the beginning and 133.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:46:31,127 INFO L168 Benchmark]: Boogie Preprocessor took 50.92 ms. Allocated memory is still 156.2 MB. Free memory was 133.2 MB in the beginning and 131.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:46:31,128 INFO L168 Benchmark]: RCFGBuilder took 2049.43 ms. Allocated memory was 156.2 MB in the beginning and 191.9 MB in the end (delta: 35.7 MB). Free memory was 131.1 MB in the beginning and 72.7 MB in the end (delta: 58.4 MB). Peak memory consumption was 95.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:46:31,131 INFO L168 Benchmark]: TraceAbstraction took 9772.73 ms. Allocated memory was 191.9 MB in the beginning and 327.2 MB in the end (delta: 135.3 MB). Free memory was 169.3 MB in the beginning and 141.9 MB in the end (delta: 27.4 MB). Peak memory consumption was 162.8 MB. Max. memory is 8.0 GB. [2020-12-23 13:46:31,132 INFO L168 Benchmark]: Witness Printer took 139.89 ms. Allocated memory is still 327.2 MB. Free memory was 141.9 MB in the beginning and 127.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-23 13:46:31,134 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 156.2 MB. Free memory is still 129.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 745.70 ms. Allocated memory is still 156.2 MB. Free memory was 129.4 MB in the beginning and 135.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 36.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 73.45 ms. Allocated memory is still 156.2 MB. Free memory was 135.6 MB in the beginning and 133.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 50.92 ms. Allocated memory is still 156.2 MB. Free memory was 133.2 MB in the beginning and 131.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2049.43 ms. Allocated memory was 156.2 MB in the beginning and 191.9 MB in the end (delta: 35.7 MB). Free memory was 131.1 MB in the beginning and 72.7 MB in the end (delta: 58.4 MB). Peak memory consumption was 95.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9772.73 ms. Allocated memory was 191.9 MB in the beginning and 327.2 MB in the end (delta: 135.3 MB). Free memory was 169.3 MB in the beginning and 141.9 MB in the end (delta: 27.4 MB). Peak memory consumption was 162.8 MB. Max. memory is 8.0 GB. * Witness Printer took 139.89 ms. Allocated memory is still 327.2 MB. Free memory was 141.9 MB in the beginning and 127.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 997 VarBasedMoverChecksPositive, 44 VarBasedMoverChecksNegative, 9 SemBasedMoverChecksPositive, 35 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.1s, 120 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.2s, 104 PlacesBefore, 35 PlacesAfterwards, 96 TransitionsBefore, 26 TransitionsAfterwards, 1488 CoEnabledTransitionPairs, 7 FixpointIterations, 36 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 82 TotalNumberOfCompositions, 3765 MoverChecksTotal - CounterExampleResult [Line: 18]: 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; [L714] 0 _Bool main$tmp_guard0; [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L719] 0 int y = 0; [L720] 0 _Bool y$flush_delayed; [L721] 0 int y$mem_tmp; [L722] 0 _Bool y$r_buff0_thd0; [L723] 0 _Bool y$r_buff0_thd1; [L724] 0 _Bool y$r_buff0_thd2; [L725] 0 _Bool y$r_buff0_thd3; [L726] 0 _Bool y$r_buff1_thd0; [L727] 0 _Bool y$r_buff1_thd1; [L728] 0 _Bool y$r_buff1_thd2; [L729] 0 _Bool y$r_buff1_thd3; [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; [L827] 0 pthread_t t2577; [L828] FCALL, FORK 0 pthread_create(&t2577, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L829] 0 pthread_t t2578; [L830] FCALL, FORK 0 pthread_create(&t2578, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, 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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L831] 0 pthread_t t2579; [L832] FCALL, FORK 0 pthread_create(&t2579, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, 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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L790] 3 y$w_buff1 = y$w_buff0 [L791] 3 y$w_buff0 = 1 [L792] 3 y$w_buff1_used = y$w_buff0_used [L793] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L795] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L796] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L797] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L798] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L799] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$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_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L802] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, 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_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L743] 1 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=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_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L748] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=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_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L760] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$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$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L765] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L766] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L767] 2 y$flush_delayed = weak$$choice2 [L768] 2 y$mem_tmp = y [L769] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L769] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L770] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L770] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L771] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L771] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L772] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L772] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L773] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L774] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L775] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] 2 __unbuffered_p1_EAX = y [L777] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L777] 2 y = y$flush_delayed ? y$mem_tmp : y [L778] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, 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=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L785] 2 return 0; [L805] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L805] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L806] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L806] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L807] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L807] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L808] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L808] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L809] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L809] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L812] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L814] 3 return 0; [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L755] 1 return 0; [L834] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L838] 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) [L838] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L838] 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) [L838] 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) [L839] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L839] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L840] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L840] 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 [L841] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L841] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L842] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L842] 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 [L845] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 95 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.4s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.3s, HoareTripleCheckerStatistics: 217 SDtfs, 168 SDslu, 413 SDs, 0 SdLazy, 145 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=618occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 7664 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...