/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/mix053_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 23:25:07,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 23:25:07,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 23:25:07,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 23:25:07,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 23:25:07,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 23:25:07,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 23:25:07,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 23:25:07,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 23:25:07,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 23:25:07,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 23:25:07,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 23:25:07,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 23:25:07,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 23:25:07,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 23:25:07,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 23:25:07,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 23:25:07,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 23:25:07,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 23:25:07,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 23:25:07,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 23:25:07,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 23:25:07,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 23:25:07,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 23:25:07,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 23:25:07,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 23:25:07,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 23:25:07,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 23:25:07,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 23:25:07,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 23:25:07,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 23:25:07,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 23:25:07,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 23:25:07,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 23:25:07,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 23:25:07,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 23:25:07,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 23:25:07,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 23:25:07,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 23:25:07,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 23:25:07,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 23:25:07,408 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 23:25:07,476 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 23:25:07,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 23:25:07,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 23:25:07,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 23:25:07,481 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 23:25:07,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 23:25:07,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 23:25:07,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 23:25:07,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 23:25:07,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 23:25:07,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 23:25:07,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 23:25:07,484 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 23:25:07,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 23:25:07,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 23:25:07,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 23:25:07,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 23:25:07,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 23:25:07,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 23:25:07,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 23:25:07,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 23:25:07,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 23:25:07,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 23:25:07,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 23:25:07,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 23:25:07,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 23:25:07,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 23:25:07,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 23:25:07,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 23:25:07,976 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 23:25:07,977 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 23:25:07,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix053_power.opt.i [2021-01-06 23:25:08,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4a55018f0/74281369993f42c6b72ce3f46e61b65d/FLAG88f5ae703 [2021-01-06 23:25:08,874 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 23:25:08,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix053_power.opt.i [2021-01-06 23:25:08,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4a55018f0/74281369993f42c6b72ce3f46e61b65d/FLAG88f5ae703 [2021-01-06 23:25:09,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4a55018f0/74281369993f42c6b72ce3f46e61b65d [2021-01-06 23:25:09,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 23:25:09,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 23:25:09,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 23:25:09,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 23:25:09,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 23:25:09,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:25:09" (1/1) ... [2021-01-06 23:25:09,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2d32b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:25:09, skipping insertion in model container [2021-01-06 23:25:09,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:25:09" (1/1) ... [2021-01-06 23:25:09,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 23:25:09,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 23:25:09,379 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/mix053_power.opt.i[950,963] left hand side expression in assignment: lhs: VariableLHS[~a~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y~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[~z$flush_delayed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$mem_tmp~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff0_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p2_EAX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$flush_delayed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff0_thd4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p3_EAX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff0_thd4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff0_thd0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard1~0,GLOBAL] [2021-01-06 23:25:09,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 23:25:09,661 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 23:25:09,676 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/mix053_power.opt.i[950,963] left hand side expression in assignment: lhs: VariableLHS[~a~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~y~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[~z$flush_delayed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$mem_tmp~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff0_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p2_EAX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$flush_delayed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff0_thd4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p3_EAX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff0_thd4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff0_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$w_buff1_used~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff0_thd0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~z$r_buff1_thd0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard1~0,GLOBAL] [2021-01-06 23:25:09,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 23:25:09,887 INFO L208 MainTranslator]: Completed translation [2021-01-06 23:25:09,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:25:09 WrapperNode [2021-01-06 23:25:09,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 23:25:09,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 23:25:09,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 23:25:09,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 23:25:09,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:25:09" (1/1) ... [2021-01-06 23:25:09,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:25:09" (1/1) ... [2021-01-06 23:25:09,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 23:25:09,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 23:25:09,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 23:25:09,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 23:25:09,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:25:09" (1/1) ... [2021-01-06 23:25:09,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:25:09" (1/1) ... [2021-01-06 23:25:09,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:25:09" (1/1) ... [2021-01-06 23:25:09,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:25:09" (1/1) ... [2021-01-06 23:25:09,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:25:09" (1/1) ... [2021-01-06 23:25:10,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:25:09" (1/1) ... [2021-01-06 23:25:10,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:25:09" (1/1) ... [2021-01-06 23:25:10,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 23:25:10,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 23:25:10,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 23:25:10,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 23:25:10,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:25:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 23:25:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-06 23:25:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-06 23:25:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 23:25:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-06 23:25:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-06 23:25:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-06 23:25:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-06 23:25:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-06 23:25:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-01-06 23:25:10,129 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-01-06 23:25:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-01-06 23:25:10,129 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-01-06 23:25:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 23:25:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-06 23:25:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 23:25:10,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 23:25:10,133 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-06 23:25:11,837 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 23:25:11,837 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-01-06 23:25:11,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:25:11 BoogieIcfgContainer [2021-01-06 23:25:11,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 23:25:11,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 23:25:11,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 23:25:11,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 23:25:11,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 11:25:09" (1/3) ... [2021-01-06 23:25:11,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bfe1c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:25:11, skipping insertion in model container [2021-01-06 23:25:11,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:25:09" (2/3) ... [2021-01-06 23:25:11,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bfe1c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:25:11, skipping insertion in model container [2021-01-06 23:25:11,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:25:11" (3/3) ... [2021-01-06 23:25:11,848 INFO L111 eAbstractionObserver]: Analyzing ICFG mix053_power.opt.i [2021-01-06 23:25:11,856 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-06 23:25:11,856 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 23:25:11,862 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 23:25:11,863 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-06 23:25:11,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,905 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,905 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,906 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,906 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,907 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,907 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,908 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,908 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,908 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,908 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,910 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,910 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,911 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,911 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,917 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,917 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,917 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,917 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,922 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,922 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,922 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,922 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,922 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,922 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,923 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,923 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,923 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,923 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,923 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,923 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,923 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,924 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,924 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,924 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,924 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,924 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,924 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,926 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,927 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,927 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,927 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,928 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,928 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,929 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,929 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,929 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,929 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,929 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,930 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,930 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,930 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,930 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,930 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,931 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,931 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,931 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,931 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,931 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,933 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,933 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,933 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,933 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,933 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,934 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,934 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,934 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,934 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,936 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,937 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,940 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,941 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,947 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,948 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,949 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,949 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,949 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,949 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,951 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,951 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,951 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,951 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:25:11,953 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-06 23:25:11,972 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-01-06 23:25:11,994 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 23:25:11,995 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 23:25:11,995 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 23:25:11,995 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 23:25:11,995 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 23:25:11,995 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 23:25:11,996 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 23:25:11,996 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 23:25:12,009 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-01-06 23:25:12,012 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 244 flow [2021-01-06 23:25:12,015 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 244 flow [2021-01-06 23:25:12,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 244 flow [2021-01-06 23:25:12,074 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2021-01-06 23:25:12,074 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-01-06 23:25:12,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2021-01-06 23:25:12,085 INFO L116 LiptonReduction]: Number of co-enabled transitions 2300 [2021-01-06 23:25:12,308 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2021-01-06 23:25:12,309 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:25:12,922 WARN L197 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-01-06 23:25:13,549 WARN L197 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-01-06 23:25:13,733 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-01-06 23:25:13,984 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:13,984 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:25:13,991 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:13,992 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:25:13,996 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:13,998 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 23:25:14,005 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:14,006 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 23:25:14,063 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:14,063 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:25:14,067 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:14,068 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:25:14,076 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:14,079 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 23:25:14,088 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:14,090 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 23:25:14,588 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:14,589 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:25:14,590 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:14,591 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:25:14,594 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:14,594 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 23:25:14,597 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:14,598 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 23:25:14,626 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:14,627 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:25:14,628 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:14,629 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:25:14,632 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:14,632 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 23:25:14,635 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:14,636 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 23:25:14,689 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:14,690 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:25:14,708 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-01-06 23:25:14,709 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 23:25:14,711 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2021-01-06 23:25:14,712 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 23:25:14,713 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-01-06 23:25:14,714 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 23:25:14,717 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:25:14,717 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:25:14,719 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:25:14,719 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:25:14,722 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:25:14,722 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:25:14,786 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:25:14,787 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 23:25:14,790 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 2, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:25:14,791 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:25:15,263 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:25:15,263 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 23:25:15,266 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 2, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:25:15,267 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:25:15,326 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:15,326 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:25:15,328 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-01-06 23:25:15,329 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 23:25:15,330 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2021-01-06 23:25:15,331 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 23:25:15,332 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-01-06 23:25:15,333 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 23:25:15,336 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:25:15,336 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:25:15,338 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:25:15,339 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:25:15,340 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:25:15,341 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:25:15,607 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 4, 4, 3, 2, 1] term [2021-01-06 23:25:15,608 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:25:15,609 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 2, 1] term [2021-01-06 23:25:15,609 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:25:15,610 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 4, 4, 3, 2, 1] term [2021-01-06 23:25:15,610 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:25:15,714 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2021-01-06 23:25:15,714 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 23:25:15,719 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-01-06 23:25:15,719 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 23:25:15,721 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2021-01-06 23:25:15,722 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 23:25:15,723 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2021-01-06 23:25:15,723 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 23:25:15,725 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:25:15,726 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:25:15,727 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:25:15,727 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:25:15,729 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:25:15,729 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:25:15,779 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:25:15,779 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 23:25:15,782 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 2, 4, 3, 4, 3, 2, 1] term [2021-01-06 23:25:15,782 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 23:25:16,237 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-01-06 23:25:16,390 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-01-06 23:25:18,639 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-01-06 23:25:18,810 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-01-06 23:25:18,950 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-01-06 23:25:19,105 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-01-06 23:25:19,668 WARN L197 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2021-01-06 23:25:19,884 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-01-06 23:25:20,322 WARN L197 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2021-01-06 23:25:20,523 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-01-06 23:25:20,530 INFO L131 LiptonReduction]: Checked pairs total: 5876 [2021-01-06 23:25:20,530 INFO L133 LiptonReduction]: Total number of compositions: 96 [2021-01-06 23:25:20,537 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 30 transitions, 80 flow [2021-01-06 23:25:20,678 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2090 states. [2021-01-06 23:25:20,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states. [2021-01-06 23:25:20,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-01-06 23:25:20,689 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:25:20,690 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:25:20,690 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:25:20,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:25:20,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1152540843, now seen corresponding path program 1 times [2021-01-06 23:25:20,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:25:20,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258118684] [2021-01-06 23:25:20,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:25:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:25:21,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:25:21,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258118684] [2021-01-06 23:25:21,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:25:21,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-01-06 23:25:21,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126899130] [2021-01-06 23:25:21,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 23:25:21,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:25:21,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 23:25:21,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:25:21,186 INFO L87 Difference]: Start difference. First operand 2090 states. Second operand 3 states. [2021-01-06 23:25:21,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:25:21,284 INFO L93 Difference]: Finished difference Result 1770 states and 6672 transitions. [2021-01-06 23:25:21,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 23:25:21,286 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2021-01-06 23:25:21,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:25:21,335 INFO L225 Difference]: With dead ends: 1770 [2021-01-06 23:25:21,335 INFO L226 Difference]: Without dead ends: 1450 [2021-01-06 23:25:21,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:25:21,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2021-01-06 23:25:21,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1450. [2021-01-06 23:25:21,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1450 states. [2021-01-06 23:25:21,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 5376 transitions. [2021-01-06 23:25:21,514 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 5376 transitions. Word has length 9 [2021-01-06 23:25:21,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:25:21,515 INFO L481 AbstractCegarLoop]: Abstraction has 1450 states and 5376 transitions. [2021-01-06 23:25:21,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 23:25:21,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 5376 transitions. [2021-01-06 23:25:21,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-01-06 23:25:21,518 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:25:21,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:25:21,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 23:25:21,519 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:25:21,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:25:21,520 INFO L82 PathProgramCache]: Analyzing trace with hash 509853782, now seen corresponding path program 1 times [2021-01-06 23:25:21,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:25:21,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860060300] [2021-01-06 23:25:21,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:25:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:25:21,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:25:21,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860060300] [2021-01-06 23:25:21,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:25:21,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-01-06 23:25:21,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593565883] [2021-01-06 23:25:21,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 23:25:21,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:25:21,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 23:25:21,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:25:21,615 INFO L87 Difference]: Start difference. First operand 1450 states and 5376 transitions. Second operand 3 states. [2021-01-06 23:25:21,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:25:21,652 INFO L93 Difference]: Finished difference Result 1410 states and 5194 transitions. [2021-01-06 23:25:21,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 23:25:21,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2021-01-06 23:25:21,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:25:21,668 INFO L225 Difference]: With dead ends: 1410 [2021-01-06 23:25:21,669 INFO L226 Difference]: Without dead ends: 1410 [2021-01-06 23:25:21,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:25:21,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2021-01-06 23:25:21,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 1410. [2021-01-06 23:25:21,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1410 states. [2021-01-06 23:25:21,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 5194 transitions. [2021-01-06 23:25:21,732 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 5194 transitions. Word has length 11 [2021-01-06 23:25:21,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:25:21,733 INFO L481 AbstractCegarLoop]: Abstraction has 1410 states and 5194 transitions. [2021-01-06 23:25:21,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 23:25:21,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 5194 transitions. [2021-01-06 23:25:21,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-01-06 23:25:21,738 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:25:21,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:25:21,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 23:25:21,739 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:25:21,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:25:21,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1374402565, now seen corresponding path program 1 times [2021-01-06 23:25:21,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:25:21,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086115955] [2021-01-06 23:25:21,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:25:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:25:21,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:25:21,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086115955] [2021-01-06 23:25:21,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:25:21,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 23:25:21,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155027642] [2021-01-06 23:25:21,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 23:25:21,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:25:21,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 23:25:21,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 23:25:21,931 INFO L87 Difference]: Start difference. First operand 1410 states and 5194 transitions. Second operand 4 states. [2021-01-06 23:25:22,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:25:22,016 INFO L93 Difference]: Finished difference Result 2210 states and 7785 transitions. [2021-01-06 23:25:22,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 23:25:22,016 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2021-01-06 23:25:22,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:25:22,038 INFO L225 Difference]: With dead ends: 2210 [2021-01-06 23:25:22,039 INFO L226 Difference]: Without dead ends: 2030 [2021-01-06 23:25:22,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 23:25:22,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2030 states. [2021-01-06 23:25:22,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2030 to 1868. [2021-01-06 23:25:22,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1868 states. [2021-01-06 23:25:22,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 6648 transitions. [2021-01-06 23:25:22,150 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 6648 transitions. Word has length 12 [2021-01-06 23:25:22,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:25:22,150 INFO L481 AbstractCegarLoop]: Abstraction has 1868 states and 6648 transitions. [2021-01-06 23:25:22,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 23:25:22,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 6648 transitions. [2021-01-06 23:25:22,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-01-06 23:25:22,156 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:25:22,157 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:25:22,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 23:25:22,157 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:25:22,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:25:22,158 INFO L82 PathProgramCache]: Analyzing trace with hash 343192326, now seen corresponding path program 1 times [2021-01-06 23:25:22,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:25:22,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327182443] [2021-01-06 23:25:22,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:25:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:25:22,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:25:22,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327182443] [2021-01-06 23:25:22,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:25:22,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:25:22,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429827775] [2021-01-06 23:25:22,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 23:25:22,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:25:22,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 23:25:22,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 23:25:22,286 INFO L87 Difference]: Start difference. First operand 1868 states and 6648 transitions. Second operand 4 states. [2021-01-06 23:25:22,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:25:22,355 INFO L93 Difference]: Finished difference Result 1978 states and 6404 transitions. [2021-01-06 23:25:22,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 23:25:22,355 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2021-01-06 23:25:22,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:25:22,369 INFO L225 Difference]: With dead ends: 1978 [2021-01-06 23:25:22,369 INFO L226 Difference]: Without dead ends: 1514 [2021-01-06 23:25:22,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:25:22,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2021-01-06 23:25:22,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1514. [2021-01-06 23:25:22,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1514 states. [2021-01-06 23:25:22,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1514 states and 4898 transitions. [2021-01-06 23:25:22,482 INFO L78 Accepts]: Start accepts. Automaton has 1514 states and 4898 transitions. Word has length 13 [2021-01-06 23:25:22,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:25:22,482 INFO L481 AbstractCegarLoop]: Abstraction has 1514 states and 4898 transitions. [2021-01-06 23:25:22,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 23:25:22,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 4898 transitions. [2021-01-06 23:25:22,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-06 23:25:22,487 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:25:22,487 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:25:22,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 23:25:22,487 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:25:22,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:25:22,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1922702995, now seen corresponding path program 1 times [2021-01-06 23:25:22,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:25:22,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837037481] [2021-01-06 23:25:22,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:25:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:25:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:25:22,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837037481] [2021-01-06 23:25:22,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:25:22,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:25:22,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742942606] [2021-01-06 23:25:22,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 23:25:22,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:25:22,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 23:25:22,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 23:25:22,642 INFO L87 Difference]: Start difference. First operand 1514 states and 4898 transitions. Second operand 4 states. [2021-01-06 23:25:22,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:25:22,701 INFO L93 Difference]: Finished difference Result 2154 states and 6696 transitions. [2021-01-06 23:25:22,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 23:25:22,702 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2021-01-06 23:25:22,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:25:22,715 INFO L225 Difference]: With dead ends: 2154 [2021-01-06 23:25:22,716 INFO L226 Difference]: Without dead ends: 1576 [2021-01-06 23:25:22,716 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 23:25:22,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2021-01-06 23:25:22,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1352. [2021-01-06 23:25:22,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1352 states. [2021-01-06 23:25:22,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 4165 transitions. [2021-01-06 23:25:22,784 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 4165 transitions. Word has length 15 [2021-01-06 23:25:22,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:25:22,784 INFO L481 AbstractCegarLoop]: Abstraction has 1352 states and 4165 transitions. [2021-01-06 23:25:22,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 23:25:22,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 4165 transitions. [2021-01-06 23:25:22,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-06 23:25:22,788 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:25:22,788 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:25:22,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 23:25:22,789 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:25:22,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:25:22,789 INFO L82 PathProgramCache]: Analyzing trace with hash -2066380292, now seen corresponding path program 1 times [2021-01-06 23:25:22,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:25:22,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461938687] [2021-01-06 23:25:22,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:25:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:25:22,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:25:22,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461938687] [2021-01-06 23:25:22,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:25:22,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 23:25:22,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692186251] [2021-01-06 23:25:22,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:25:22,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:25:22,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:25:22,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:25:22,862 INFO L87 Difference]: Start difference. First operand 1352 states and 4165 transitions. Second operand 5 states. [2021-01-06 23:25:22,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:25:22,925 INFO L93 Difference]: Finished difference Result 1191 states and 3320 transitions. [2021-01-06 23:25:22,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:25:22,926 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2021-01-06 23:25:22,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:25:22,937 INFO L225 Difference]: With dead ends: 1191 [2021-01-06 23:25:22,937 INFO L226 Difference]: Without dead ends: 907 [2021-01-06 23:25:22,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 23:25:22,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2021-01-06 23:25:22,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 891. [2021-01-06 23:25:22,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2021-01-06 23:25:22,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 2435 transitions. [2021-01-06 23:25:22,967 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 2435 transitions. Word has length 15 [2021-01-06 23:25:22,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:25:22,968 INFO L481 AbstractCegarLoop]: Abstraction has 891 states and 2435 transitions. [2021-01-06 23:25:22,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:25:22,968 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 2435 transitions. [2021-01-06 23:25:22,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 23:25:22,971 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:25:22,971 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:25:22,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 23:25:22,971 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:25:22,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:25:22,972 INFO L82 PathProgramCache]: Analyzing trace with hash 2012131807, now seen corresponding path program 1 times [2021-01-06 23:25:22,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:25:22,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196825892] [2021-01-06 23:25:22,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:25:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:25:23,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:25:23,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196825892] [2021-01-06 23:25:23,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:25:23,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:25:23,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455771275] [2021-01-06 23:25:23,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 23:25:23,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:25:23,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 23:25:23,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 23:25:23,144 INFO L87 Difference]: Start difference. First operand 891 states and 2435 transitions. Second operand 6 states. [2021-01-06 23:25:23,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:25:23,207 INFO L93 Difference]: Finished difference Result 772 states and 2058 transitions. [2021-01-06 23:25:23,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 23:25:23,208 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2021-01-06 23:25:23,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:25:23,213 INFO L225 Difference]: With dead ends: 772 [2021-01-06 23:25:23,213 INFO L226 Difference]: Without dead ends: 655 [2021-01-06 23:25:23,214 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 [2021-01-06 23:25:23,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2021-01-06 23:25:23,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 583. [2021-01-06 23:25:23,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2021-01-06 23:25:23,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 1567 transitions. [2021-01-06 23:25:23,233 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 1567 transitions. Word has length 17 [2021-01-06 23:25:23,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:25:23,233 INFO L481 AbstractCegarLoop]: Abstraction has 583 states and 1567 transitions. [2021-01-06 23:25:23,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 23:25:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 1567 transitions. [2021-01-06 23:25:23,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-01-06 23:25:23,236 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:25:23,236 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:25:23,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 23:25:23,237 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:25:23,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:25:23,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1449073731, now seen corresponding path program 1 times [2021-01-06 23:25:23,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:25:23,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204589669] [2021-01-06 23:25:23,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:25:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:25:23,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:25:23,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204589669] [2021-01-06 23:25:23,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:25:23,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 23:25:23,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737739136] [2021-01-06 23:25:23,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:25:23,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:25:23,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:25:23,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:25:23,336 INFO L87 Difference]: Start difference. First operand 583 states and 1567 transitions. Second operand 7 states. [2021-01-06 23:25:23,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:25:23,410 INFO L93 Difference]: Finished difference Result 555 states and 1511 transitions. [2021-01-06 23:25:23,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 23:25:23,411 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2021-01-06 23:25:23,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:25:23,414 INFO L225 Difference]: With dead ends: 555 [2021-01-06 23:25:23,414 INFO L226 Difference]: Without dead ends: 333 [2021-01-06 23:25:23,415 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-01-06 23:25:23,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-01-06 23:25:23,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 277. [2021-01-06 23:25:23,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2021-01-06 23:25:23,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 729 transitions. [2021-01-06 23:25:23,426 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 729 transitions. Word has length 20 [2021-01-06 23:25:23,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:25:23,426 INFO L481 AbstractCegarLoop]: Abstraction has 277 states and 729 transitions. [2021-01-06 23:25:23,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:25:23,426 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 729 transitions. [2021-01-06 23:25:23,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 23:25:23,428 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:25:23,428 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:25:23,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 23:25:23,428 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:25:23,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:25:23,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1677289216, now seen corresponding path program 1 times [2021-01-06 23:25:23,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:25:23,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144997087] [2021-01-06 23:25:23,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:25:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:25:23,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:25:23,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144997087] [2021-01-06 23:25:23,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:25:23,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:25:23,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766063627] [2021-01-06 23:25:23,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 23:25:23,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:25:23,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 23:25:23,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 23:25:23,528 INFO L87 Difference]: Start difference. First operand 277 states and 729 transitions. Second operand 4 states. [2021-01-06 23:25:23,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:25:23,544 INFO L93 Difference]: Finished difference Result 357 states and 924 transitions. [2021-01-06 23:25:23,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 23:25:23,544 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2021-01-06 23:25:23,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:25:23,545 INFO L225 Difference]: With dead ends: 357 [2021-01-06 23:25:23,545 INFO L226 Difference]: Without dead ends: 101 [2021-01-06 23:25:23,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:25:23,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-01-06 23:25:23,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-01-06 23:25:23,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2021-01-06 23:25:23,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 227 transitions. [2021-01-06 23:25:23,549 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 227 transitions. Word has length 24 [2021-01-06 23:25:23,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:25:23,550 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 227 transitions. [2021-01-06 23:25:23,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 23:25:23,550 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 227 transitions. [2021-01-06 23:25:23,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 23:25:23,551 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:25:23,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:25:23,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 23:25:23,551 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:25:23,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:25:23,552 INFO L82 PathProgramCache]: Analyzing trace with hash -238338618, now seen corresponding path program 2 times [2021-01-06 23:25:23,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:25:23,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261795958] [2021-01-06 23:25:23,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:25:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:25:23,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:25:23,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261795958] [2021-01-06 23:25:23,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:25:23,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 23:25:23,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267037643] [2021-01-06 23:25:23,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:25:23,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:25:23,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:25:23,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:25:23,767 INFO L87 Difference]: Start difference. First operand 101 states and 227 transitions. Second operand 5 states. [2021-01-06 23:25:23,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:25:23,827 INFO L93 Difference]: Finished difference Result 119 states and 261 transitions. [2021-01-06 23:25:23,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:25:23,828 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-01-06 23:25:23,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:25:23,828 INFO L225 Difference]: With dead ends: 119 [2021-01-06 23:25:23,829 INFO L226 Difference]: Without dead ends: 61 [2021-01-06 23:25:23,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 23:25:23,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-01-06 23:25:23,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-01-06 23:25:23,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2021-01-06 23:25:23,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 111 transitions. [2021-01-06 23:25:23,831 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 111 transitions. Word has length 24 [2021-01-06 23:25:23,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:25:23,832 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 111 transitions. [2021-01-06 23:25:23,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:25:23,832 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 111 transitions. [2021-01-06 23:25:23,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 23:25:23,833 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:25:23,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:25:23,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 23:25:23,834 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:25:23,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:25:23,836 INFO L82 PathProgramCache]: Analyzing trace with hash 949216902, now seen corresponding path program 3 times [2021-01-06 23:25:23,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:25:23,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40708903] [2021-01-06 23:25:23,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:25:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 23:25:23,905 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 23:25:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 23:25:23,957 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 23:25:23,999 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 23:25:23,999 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 23:25:23,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 23:25:24,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 11:25:24 BasicIcfg [2021-01-06 23:25:24,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 23:25:24,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 23:25:24,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 23:25:24,151 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 23:25:24,152 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:25:11" (3/4) ... [2021-01-06 23:25:24,155 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-01-06 23:25:24,286 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/pthread-wmm/mix053_power.opt.i-witness.graphml [2021-01-06 23:25:24,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 23:25:24,288 INFO L168 Benchmark]: Toolchain (without parser) took 15159.93 ms. Allocated memory was 153.1 MB in the beginning and 342.9 MB in the end (delta: 189.8 MB). Free memory was 127.1 MB in the beginning and 232.3 MB in the end (delta: -105.2 MB). Peak memory consumption was 85.3 MB. Max. memory is 8.0 GB. [2021-01-06 23:25:24,288 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 153.1 MB. Free memory is still 128.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 23:25:24,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.49 ms. Allocated memory is still 153.1 MB. Free memory was 126.9 MB in the beginning and 126.3 MB in the end (delta: 657.5 kB). Peak memory consumption was 30.4 MB. Max. memory is 8.0 GB. [2021-01-06 23:25:24,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.73 ms. Allocated memory is still 153.1 MB. Free memory was 126.3 MB in the beginning and 123.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 23:25:24,289 INFO L168 Benchmark]: Boogie Preprocessor took 48.95 ms. Allocated memory is still 153.1 MB. Free memory was 123.7 MB in the beginning and 121.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 23:25:24,290 INFO L168 Benchmark]: RCFGBuilder took 1825.58 ms. Allocated memory was 153.1 MB in the beginning and 196.1 MB in the end (delta: 43.0 MB). Free memory was 121.6 MB in the beginning and 113.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. [2021-01-06 23:25:24,291 INFO L168 Benchmark]: TraceAbstraction took 12309.01 ms. Allocated memory was 196.1 MB in the beginning and 342.9 MB in the end (delta: 146.8 MB). Free memory was 113.6 MB in the beginning and 251.7 MB in the end (delta: -138.1 MB). Peak memory consumption was 8.7 MB. Max. memory is 8.0 GB. [2021-01-06 23:25:24,291 INFO L168 Benchmark]: Witness Printer took 135.30 ms. Allocated memory is still 342.9 MB. Free memory was 251.7 MB in the beginning and 232.3 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-01-06 23:25:24,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 153.1 MB. Free memory is still 128.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 755.49 ms. Allocated memory is still 153.1 MB. Free memory was 126.9 MB in the beginning and 126.3 MB in the end (delta: 657.5 kB). Peak memory consumption was 30.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 70.73 ms. Allocated memory is still 153.1 MB. Free memory was 126.3 MB in the beginning and 123.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 48.95 ms. Allocated memory is still 153.1 MB. Free memory was 123.7 MB in the beginning and 121.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1825.58 ms. Allocated memory was 153.1 MB in the beginning and 196.1 MB in the end (delta: 43.0 MB). Free memory was 121.6 MB in the beginning and 113.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 12309.01 ms. Allocated memory was 196.1 MB in the beginning and 342.9 MB in the end (delta: 146.8 MB). Free memory was 113.6 MB in the beginning and 251.7 MB in the end (delta: -138.1 MB). Peak memory consumption was 8.7 MB. Max. memory is 8.0 GB. * Witness Printer took 135.30 ms. Allocated memory is still 342.9 MB. Free memory was 251.7 MB in the beginning and 232.3 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1528 VarBasedMoverChecksPositive, 63 VarBasedMoverChecksNegative, 14 SemBasedMoverChecksPositive, 49 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.5s, 161 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.5s, 123 PlacesBefore, 43 PlacesAfterwards, 112 TransitionsBefore, 30 TransitionsAfterwards, 2300 CoEnabledTransitionPairs, 7 FixpointIterations, 39 TrivialSequentialCompositions, 48 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 96 TotalNumberOfCompositions, 5876 MoverChecksTotal - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p2_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int a = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L724] 0 int z = 0; [L725] 0 _Bool z$flush_delayed; [L726] 0 int z$mem_tmp; [L727] 0 _Bool z$r_buff0_thd0; [L728] 0 _Bool z$r_buff0_thd1; [L729] 0 _Bool z$r_buff0_thd2; [L730] 0 _Bool z$r_buff0_thd3; [L731] 0 _Bool z$r_buff0_thd4; [L732] 0 _Bool z$r_buff1_thd0; [L733] 0 _Bool z$r_buff1_thd1; [L734] 0 _Bool z$r_buff1_thd2; [L735] 0 _Bool z$r_buff1_thd3; [L736] 0 _Bool z$r_buff1_thd4; [L737] 0 _Bool z$read_delayed; [L738] 0 int *z$read_delayed_var; [L739] 0 int z$w_buff0; [L740] 0 _Bool z$w_buff0_used; [L741] 0 int z$w_buff1; [L742] 0 _Bool z$w_buff1_used; [L743] 0 _Bool weak$$choice0; [L744] 0 _Bool weak$$choice2; [L844] 0 pthread_t t1413; [L845] FCALL, FORK 0 pthread_create(&t1413, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L846] 0 pthread_t t1414; [L847] FCALL, FORK 0 pthread_create(&t1414, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L848] 0 pthread_t t1415; [L849] FCALL, FORK 0 pthread_create(&t1415, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1416; [L851] FCALL, FORK 0 pthread_create(&t1416, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L806] 4 z$w_buff1 = z$w_buff0 [L807] 4 z$w_buff0 = 1 [L808] 4 z$w_buff1_used = z$w_buff0_used [L809] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L811] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L812] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L813] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L814] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L815] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L816] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L819] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L748] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, 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=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L751] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, 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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L758] 1 return 0; [L763] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L766] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L771] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L773] 2 return 0; [L778] 3 y = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L781] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L782] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L783] 3 z$flush_delayed = weak$$choice2 [L784] 3 z$mem_tmp = z [L785] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L785] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L786] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L786] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L787] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L787] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L788] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L788] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L789] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L789] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L790] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L790] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L791] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L791] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L792] 3 __unbuffered_p2_EAX = z [L793] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L793] 3 z = z$flush_delayed ? z$mem_tmp : z [L794] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L799] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L801] 3 return 0; [L822] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L822] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L823] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L823] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L824] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L824] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L825] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L825] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L826] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L829] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L831] 4 return 0; [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L857] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L857] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L858] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L858] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L859] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L860] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L860] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L861] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L864] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 111 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.0s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.6s, HoareTripleCheckerStatistics: 299 SDtfs, 332 SDslu, 510 SDs, 0 SdLazy, 206 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2090occurred 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: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 530 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 10300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...