/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/combinations/pals_lcr.3.1.ufo.BOUNDED-6.pals+Problem12_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 09:33:26,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 09:33:26,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 09:33:26,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 09:33:26,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 09:33:26,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 09:33:26,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 09:33:26,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 09:33:26,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 09:33:26,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 09:33:26,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 09:33:26,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 09:33:26,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 09:33:26,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 09:33:26,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 09:33:26,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 09:33:26,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 09:33:26,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 09:33:26,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 09:33:26,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 09:33:26,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 09:33:26,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 09:33:26,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 09:33:26,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 09:33:26,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 09:33:26,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 09:33:26,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 09:33:26,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 09:33:26,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 09:33:26,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 09:33:26,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 09:33:26,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 09:33:26,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 09:33:26,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 09:33:26,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 09:33:26,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 09:33:26,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 09:33:26,797 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 09:33:26,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 09:33:26,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 09:33:26,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 09:33:26,800 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 09:33:26,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 09:33:26,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 09:33:26,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 09:33:26,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 09:33:26,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 09:33:26,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 09:33:26,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 09:33:26,803 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 09:33:26,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 09:33:26,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 09:33:26,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 09:33:26,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 09:33:26,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 09:33:26,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 09:33:26,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 09:33:26,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 09:33:26,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 09:33:26,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 09:33:26,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 09:33:26,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 09:33:26,807 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/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 09:33:27,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 09:33:27,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 09:33:27,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 09:33:27,231 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 09:33:27,232 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 09:33:27,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/pals_lcr.3.1.ufo.BOUNDED-6.pals+Problem12_label09.c [2020-12-22 09:33:27,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88f5872ef/e6783aba1af7459c8da68b1cc40afc7e/FLAGb2b50b67d [2020-12-22 09:33:28,379 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 09:33:28,380 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pals_lcr.3.1.ufo.BOUNDED-6.pals+Problem12_label09.c [2020-12-22 09:33:28,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88f5872ef/e6783aba1af7459c8da68b1cc40afc7e/FLAGb2b50b67d [2020-12-22 09:33:28,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88f5872ef/e6783aba1af7459c8da68b1cc40afc7e [2020-12-22 09:33:28,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 09:33:28,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 09:33:28,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 09:33:28,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 09:33:28,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 09:33:28,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 09:33:28" (1/1) ... [2020-12-22 09:33:28,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3124ff94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:33:28, skipping insertion in model container [2020-12-22 09:33:28,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 09:33:28" (1/1) ... [2020-12-22 09:33:28,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 09:33:28,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 09:33:29,304 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pals_lcr.3.1.ufo.BOUNDED-6.pals+Problem12_label09.c[6449,6462] [2020-12-22 09:33:29,386 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pals_lcr.3.1.ufo.BOUNDED-6.pals+Problem12_label09.c[13954,13967] [2020-12-22 09:33:30,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 09:33:30,472 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 09:33:30,538 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pals_lcr.3.1.ufo.BOUNDED-6.pals+Problem12_label09.c[6449,6462] [2020-12-22 09:33:30,609 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pals_lcr.3.1.ufo.BOUNDED-6.pals+Problem12_label09.c[13954,13967] [2020-12-22 09:33:31,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 09:33:31,283 INFO L208 MainTranslator]: Completed translation [2020-12-22 09:33:31,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:33:31 WrapperNode [2020-12-22 09:33:31,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 09:33:31,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 09:33:31,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 09:33:31,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 09:33:31,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:33:31" (1/1) ... [2020-12-22 09:33:31,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:33:31" (1/1) ... [2020-12-22 09:33:31,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 09:33:31,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 09:33:31,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 09:33:31,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 09:33:31,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:33:31" (1/1) ... [2020-12-22 09:33:31,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:33:31" (1/1) ... [2020-12-22 09:33:31,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:33:31" (1/1) ... [2020-12-22 09:33:31,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:33:31" (1/1) ... [2020-12-22 09:33:32,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:33:31" (1/1) ... [2020-12-22 09:33:32,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:33:31" (1/1) ... [2020-12-22 09:33:32,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:33:31" (1/1) ... [2020-12-22 09:33:32,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 09:33:32,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 09:33:32,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 09:33:32,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 09:33:32,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:33:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 09:33:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 09:33:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 09:33:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 09:33:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 09:33:37,847 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 09:33:37,848 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2020-12-22 09:33:37,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:33:37 BoogieIcfgContainer [2020-12-22 09:33:37,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 09:33:37,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 09:33:37,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 09:33:37,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 09:33:37,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 09:33:28" (1/3) ... [2020-12-22 09:33:37,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9858b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 09:33:37, skipping insertion in model container [2020-12-22 09:33:37,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:33:31" (2/3) ... [2020-12-22 09:33:37,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9858b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 09:33:37, skipping insertion in model container [2020-12-22 09:33:37,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:33:37" (3/3) ... [2020-12-22 09:33:37,867 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.BOUNDED-6.pals+Problem12_label09.c [2020-12-22 09:33:37,874 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 09:33:37,881 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-22 09:33:37,906 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-22 09:33:37,958 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 09:33:37,958 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 09:33:37,958 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 09:33:37,958 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 09:33:37,958 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 09:33:37,959 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 09:33:37,959 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 09:33:37,959 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 09:33:38,002 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states. [2020-12-22 09:33:38,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 09:33:38,014 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:38,015 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:38,016 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:38,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:38,023 INFO L82 PathProgramCache]: Analyzing trace with hash 975463267, now seen corresponding path program 1 times [2020-12-22 09:33:38,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:38,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105886723] [2020-12-22 09:33:38,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:38,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:33:38,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105886723] [2020-12-22 09:33:38,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:33:38,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 09:33:38,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549703510] [2020-12-22 09:33:38,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 09:33:38,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:38,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 09:33:38,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 09:33:38,345 INFO L87 Difference]: Start difference. First operand 878 states. Second operand 2 states. [2020-12-22 09:33:38,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:33:38,450 INFO L93 Difference]: Finished difference Result 1734 states and 3292 transitions. [2020-12-22 09:33:38,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 09:33:38,452 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 26 [2020-12-22 09:33:38,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:33:38,506 INFO L225 Difference]: With dead ends: 1734 [2020-12-22 09:33:38,507 INFO L226 Difference]: Without dead ends: 812 [2020-12-22 09:33:38,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 09:33:38,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2020-12-22 09:33:38,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 812. [2020-12-22 09:33:38,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 812 states. [2020-12-22 09:33:38,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1533 transitions. [2020-12-22 09:33:38,650 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1533 transitions. Word has length 26 [2020-12-22 09:33:38,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:33:38,651 INFO L481 AbstractCegarLoop]: Abstraction has 812 states and 1533 transitions. [2020-12-22 09:33:38,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 09:33:38,651 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1533 transitions. [2020-12-22 09:33:38,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 09:33:38,652 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:38,653 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:38,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 09:33:38,653 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:38,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:38,654 INFO L82 PathProgramCache]: Analyzing trace with hash 157814817, now seen corresponding path program 1 times [2020-12-22 09:33:38,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:38,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486792589] [2020-12-22 09:33:38,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:38,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:33:38,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486792589] [2020-12-22 09:33:38,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:33:38,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 09:33:38,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480788708] [2020-12-22 09:33:38,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 09:33:38,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:38,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 09:33:38,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 09:33:38,779 INFO L87 Difference]: Start difference. First operand 812 states and 1533 transitions. Second operand 5 states. [2020-12-22 09:33:38,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:33:38,920 INFO L93 Difference]: Finished difference Result 888 states and 1649 transitions. [2020-12-22 09:33:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 09:33:38,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-22 09:33:38,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:33:38,928 INFO L225 Difference]: With dead ends: 888 [2020-12-22 09:33:38,928 INFO L226 Difference]: Without dead ends: 848 [2020-12-22 09:33:38,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 09:33:38,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2020-12-22 09:33:38,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 812. [2020-12-22 09:33:38,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 812 states. [2020-12-22 09:33:38,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1517 transitions. [2020-12-22 09:33:38,962 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1517 transitions. Word has length 26 [2020-12-22 09:33:38,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:33:38,962 INFO L481 AbstractCegarLoop]: Abstraction has 812 states and 1517 transitions. [2020-12-22 09:33:38,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 09:33:38,963 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1517 transitions. [2020-12-22 09:33:38,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-22 09:33:38,970 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:38,971 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:38,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 09:33:38,972 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:38,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:38,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1324654887, now seen corresponding path program 1 times [2020-12-22 09:33:38,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:38,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847205847] [2020-12-22 09:33:38,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:39,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:33:39,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847205847] [2020-12-22 09:33:39,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:33:39,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 09:33:39,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024141526] [2020-12-22 09:33:39,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 09:33:39,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:39,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 09:33:39,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 09:33:39,166 INFO L87 Difference]: Start difference. First operand 812 states and 1517 transitions. Second operand 3 states. [2020-12-22 09:33:39,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:33:39,204 INFO L93 Difference]: Finished difference Result 878 states and 1619 transitions. [2020-12-22 09:33:39,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 09:33:39,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-12-22 09:33:39,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:33:39,210 INFO L225 Difference]: With dead ends: 878 [2020-12-22 09:33:39,211 INFO L226 Difference]: Without dead ends: 842 [2020-12-22 09:33:39,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 09:33:39,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2020-12-22 09:33:39,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 840. [2020-12-22 09:33:39,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2020-12-22 09:33:39,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1561 transitions. [2020-12-22 09:33:39,236 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1561 transitions. Word has length 41 [2020-12-22 09:33:39,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:33:39,236 INFO L481 AbstractCegarLoop]: Abstraction has 840 states and 1561 transitions. [2020-12-22 09:33:39,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 09:33:39,237 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1561 transitions. [2020-12-22 09:33:39,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-22 09:33:39,238 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:39,238 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:39,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 09:33:39,238 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:39,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:39,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1376027727, now seen corresponding path program 1 times [2020-12-22 09:33:39,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:39,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587275511] [2020-12-22 09:33:39,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:39,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:33:39,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587275511] [2020-12-22 09:33:39,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:33:39,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 09:33:39,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012961781] [2020-12-22 09:33:39,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 09:33:39,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:39,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 09:33:39,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 09:33:39,382 INFO L87 Difference]: Start difference. First operand 840 states and 1561 transitions. Second operand 5 states. [2020-12-22 09:33:39,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:33:39,571 INFO L93 Difference]: Finished difference Result 1224 states and 2161 transitions. [2020-12-22 09:33:39,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 09:33:39,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-12-22 09:33:39,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:33:39,579 INFO L225 Difference]: With dead ends: 1224 [2020-12-22 09:33:39,580 INFO L226 Difference]: Without dead ends: 1160 [2020-12-22 09:33:39,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 09:33:39,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2020-12-22 09:33:39,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 902. [2020-12-22 09:33:39,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2020-12-22 09:33:39,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1656 transitions. [2020-12-22 09:33:39,613 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1656 transitions. Word has length 41 [2020-12-22 09:33:39,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:33:39,614 INFO L481 AbstractCegarLoop]: Abstraction has 902 states and 1656 transitions. [2020-12-22 09:33:39,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 09:33:39,614 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1656 transitions. [2020-12-22 09:33:39,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-22 09:33:39,618 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:39,619 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:39,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 09:33:39,619 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:39,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:39,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1902982177, now seen corresponding path program 1 times [2020-12-22 09:33:39,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:39,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695015843] [2020-12-22 09:33:39,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:39,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:33:39,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695015843] [2020-12-22 09:33:39,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:33:39,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 09:33:39,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178196056] [2020-12-22 09:33:39,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 09:33:39,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:39,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 09:33:39,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 09:33:39,743 INFO L87 Difference]: Start difference. First operand 902 states and 1656 transitions. Second operand 3 states. [2020-12-22 09:33:39,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:33:39,807 INFO L93 Difference]: Finished difference Result 1089 states and 1943 transitions. [2020-12-22 09:33:39,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 09:33:39,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-12-22 09:33:39,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:33:39,814 INFO L225 Difference]: With dead ends: 1089 [2020-12-22 09:33:39,814 INFO L226 Difference]: Without dead ends: 963 [2020-12-22 09:33:39,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 09:33:39,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2020-12-22 09:33:39,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 961. [2020-12-22 09:33:39,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 961 states. [2020-12-22 09:33:39,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1744 transitions. [2020-12-22 09:33:39,851 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1744 transitions. Word has length 43 [2020-12-22 09:33:39,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:33:39,854 INFO L481 AbstractCegarLoop]: Abstraction has 961 states and 1744 transitions. [2020-12-22 09:33:39,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 09:33:39,854 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1744 transitions. [2020-12-22 09:33:39,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-22 09:33:39,855 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:39,855 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:39,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 09:33:39,855 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:39,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:39,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1836488665, now seen corresponding path program 1 times [2020-12-22 09:33:39,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:39,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380685207] [2020-12-22 09:33:39,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:40,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:33:40,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380685207] [2020-12-22 09:33:40,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:33:40,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 09:33:40,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576379736] [2020-12-22 09:33:40,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 09:33:40,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:40,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 09:33:40,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 09:33:40,016 INFO L87 Difference]: Start difference. First operand 961 states and 1744 transitions. Second operand 5 states. [2020-12-22 09:33:40,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:33:40,141 INFO L93 Difference]: Finished difference Result 1146 states and 2026 transitions. [2020-12-22 09:33:40,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 09:33:40,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2020-12-22 09:33:40,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:33:40,148 INFO L225 Difference]: With dead ends: 1146 [2020-12-22 09:33:40,148 INFO L226 Difference]: Without dead ends: 963 [2020-12-22 09:33:40,149 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-22 09:33:40,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2020-12-22 09:33:40,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 961. [2020-12-22 09:33:40,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 961 states. [2020-12-22 09:33:40,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1741 transitions. [2020-12-22 09:33:40,182 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1741 transitions. Word has length 43 [2020-12-22 09:33:40,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:33:40,182 INFO L481 AbstractCegarLoop]: Abstraction has 961 states and 1741 transitions. [2020-12-22 09:33:40,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 09:33:40,183 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1741 transitions. [2020-12-22 09:33:40,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-22 09:33:40,184 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:40,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:40,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 09:33:40,186 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:40,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:40,190 INFO L82 PathProgramCache]: Analyzing trace with hash -47574589, now seen corresponding path program 1 times [2020-12-22 09:33:40,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:40,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147017219] [2020-12-22 09:33:40,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:40,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:33:40,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147017219] [2020-12-22 09:33:40,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:33:40,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 09:33:40,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924711503] [2020-12-22 09:33:40,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 09:33:40,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:40,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 09:33:40,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 09:33:40,288 INFO L87 Difference]: Start difference. First operand 961 states and 1741 transitions. Second operand 3 states. [2020-12-22 09:33:40,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:33:40,332 INFO L93 Difference]: Finished difference Result 1291 states and 2237 transitions. [2020-12-22 09:33:40,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 09:33:40,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-12-22 09:33:40,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:33:40,339 INFO L225 Difference]: With dead ends: 1291 [2020-12-22 09:33:40,339 INFO L226 Difference]: Without dead ends: 1108 [2020-12-22 09:33:40,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 09:33:40,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2020-12-22 09:33:40,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1106. [2020-12-22 09:33:40,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1106 states. [2020-12-22 09:33:40,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1952 transitions. [2020-12-22 09:33:40,376 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1952 transitions. Word has length 43 [2020-12-22 09:33:40,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:33:40,377 INFO L481 AbstractCegarLoop]: Abstraction has 1106 states and 1952 transitions. [2020-12-22 09:33:40,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 09:33:40,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1952 transitions. [2020-12-22 09:33:40,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-22 09:33:40,377 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:40,377 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:40,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 09:33:40,378 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:40,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:40,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1199933027, now seen corresponding path program 1 times [2020-12-22 09:33:40,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:40,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433038958] [2020-12-22 09:33:40,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:40,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:33:40,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433038958] [2020-12-22 09:33:40,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:33:40,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 09:33:40,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826022278] [2020-12-22 09:33:40,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 09:33:40,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:40,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 09:33:40,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 09:33:40,418 INFO L87 Difference]: Start difference. First operand 1106 states and 1952 transitions. Second operand 3 states. [2020-12-22 09:33:40,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:33:40,471 INFO L93 Difference]: Finished difference Result 1690 states and 2810 transitions. [2020-12-22 09:33:40,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 09:33:40,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-12-22 09:33:40,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:33:40,479 INFO L225 Difference]: With dead ends: 1690 [2020-12-22 09:33:40,480 INFO L226 Difference]: Without dead ends: 1362 [2020-12-22 09:33:40,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 09:33:40,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2020-12-22 09:33:40,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1360. [2020-12-22 09:33:40,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1360 states. [2020-12-22 09:33:40,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1360 states and 2308 transitions. [2020-12-22 09:33:40,527 INFO L78 Accepts]: Start accepts. Automaton has 1360 states and 2308 transitions. Word has length 43 [2020-12-22 09:33:40,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:33:40,527 INFO L481 AbstractCegarLoop]: Abstraction has 1360 states and 2308 transitions. [2020-12-22 09:33:40,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 09:33:40,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 2308 transitions. [2020-12-22 09:33:40,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-22 09:33:40,528 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:40,528 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:40,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 09:33:40,528 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:40,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:40,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1511296967, now seen corresponding path program 1 times [2020-12-22 09:33:40,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:40,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938103856] [2020-12-22 09:33:40,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:33:40,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938103856] [2020-12-22 09:33:40,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:33:40,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 09:33:40,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347612488] [2020-12-22 09:33:40,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 09:33:40,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:40,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 09:33:40,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 09:33:40,607 INFO L87 Difference]: Start difference. First operand 1360 states and 2308 transitions. Second operand 5 states. [2020-12-22 09:33:40,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:33:40,739 INFO L93 Difference]: Finished difference Result 1883 states and 3036 transitions. [2020-12-22 09:33:40,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 09:33:40,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2020-12-22 09:33:40,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:33:40,750 INFO L225 Difference]: With dead ends: 1883 [2020-12-22 09:33:40,751 INFO L226 Difference]: Without dead ends: 1881 [2020-12-22 09:33:40,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 09:33:40,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1881 states. [2020-12-22 09:33:40,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1881 to 1408. [2020-12-22 09:33:40,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1408 states. [2020-12-22 09:33:40,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 2352 transitions. [2020-12-22 09:33:40,814 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 2352 transitions. Word has length 44 [2020-12-22 09:33:40,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:33:40,815 INFO L481 AbstractCegarLoop]: Abstraction has 1408 states and 2352 transitions. [2020-12-22 09:33:40,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 09:33:40,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 2352 transitions. [2020-12-22 09:33:40,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-22 09:33:40,816 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:40,816 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:40,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 09:33:40,817 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:40,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:40,817 INFO L82 PathProgramCache]: Analyzing trace with hash -213997176, now seen corresponding path program 1 times [2020-12-22 09:33:40,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:40,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926246466] [2020-12-22 09:33:40,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:40,995 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 09:33:40,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926246466] [2020-12-22 09:33:40,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:33:40,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 09:33:40,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728941765] [2020-12-22 09:33:40,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 09:33:40,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:41,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 09:33:41,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 09:33:41,002 INFO L87 Difference]: Start difference. First operand 1408 states and 2352 transitions. Second operand 5 states. [2020-12-22 09:33:41,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:33:41,249 INFO L93 Difference]: Finished difference Result 3436 states and 5200 transitions. [2020-12-22 09:33:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 09:33:41,250 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-12-22 09:33:41,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:33:41,266 INFO L225 Difference]: With dead ends: 3436 [2020-12-22 09:33:41,266 INFO L226 Difference]: Without dead ends: 2806 [2020-12-22 09:33:41,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-22 09:33:41,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2020-12-22 09:33:41,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2036. [2020-12-22 09:33:41,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2036 states. [2020-12-22 09:33:41,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 2036 states and 3228 transitions. [2020-12-22 09:33:41,398 INFO L78 Accepts]: Start accepts. Automaton has 2036 states and 3228 transitions. Word has length 64 [2020-12-22 09:33:41,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:33:41,399 INFO L481 AbstractCegarLoop]: Abstraction has 2036 states and 3228 transitions. [2020-12-22 09:33:41,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 09:33:41,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 3228 transitions. [2020-12-22 09:33:41,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-22 09:33:41,401 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:41,401 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:41,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 09:33:41,402 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:41,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:41,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1033510440, now seen corresponding path program 1 times [2020-12-22 09:33:41,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:41,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172600154] [2020-12-22 09:33:41,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:41,514 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 09:33:41,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172600154] [2020-12-22 09:33:41,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:33:41,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 09:33:41,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341417641] [2020-12-22 09:33:41,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 09:33:41,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:41,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 09:33:41,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 09:33:41,518 INFO L87 Difference]: Start difference. First operand 2036 states and 3228 transitions. Second operand 5 states. [2020-12-22 09:33:41,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:33:41,791 INFO L93 Difference]: Finished difference Result 4064 states and 6076 transitions. [2020-12-22 09:33:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 09:33:41,792 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-12-22 09:33:41,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:33:41,812 INFO L225 Difference]: With dead ends: 4064 [2020-12-22 09:33:41,812 INFO L226 Difference]: Without dead ends: 3434 [2020-12-22 09:33:41,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-22 09:33:41,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3434 states. [2020-12-22 09:33:41,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3434 to 2980. [2020-12-22 09:33:41,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2980 states. [2020-12-22 09:33:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 2980 states and 4532 transitions. [2020-12-22 09:33:42,008 INFO L78 Accepts]: Start accepts. Automaton has 2980 states and 4532 transitions. Word has length 64 [2020-12-22 09:33:42,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:33:42,008 INFO L481 AbstractCegarLoop]: Abstraction has 2980 states and 4532 transitions. [2020-12-22 09:33:42,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 09:33:42,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2980 states and 4532 transitions. [2020-12-22 09:33:42,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-22 09:33:42,010 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:42,011 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:42,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 09:33:42,013 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:42,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:42,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1792023874, now seen corresponding path program 1 times [2020-12-22 09:33:42,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:42,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692163545] [2020-12-22 09:33:42,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:42,101 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 09:33:42,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692163545] [2020-12-22 09:33:42,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:33:42,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 09:33:42,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893289519] [2020-12-22 09:33:42,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 09:33:42,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:42,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 09:33:42,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 09:33:42,103 INFO L87 Difference]: Start difference. First operand 2980 states and 4532 transitions. Second operand 5 states. [2020-12-22 09:33:42,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:33:42,365 INFO L93 Difference]: Finished difference Result 4332 states and 6456 transitions. [2020-12-22 09:33:42,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 09:33:42,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-12-22 09:33:42,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:33:42,387 INFO L225 Difference]: With dead ends: 4332 [2020-12-22 09:33:42,387 INFO L226 Difference]: Without dead ends: 3882 [2020-12-22 09:33:42,389 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-22 09:33:42,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3882 states. [2020-12-22 09:33:42,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3882 to 3428. [2020-12-22 09:33:42,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3428 states. [2020-12-22 09:33:42,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3428 states to 3428 states and 5164 transitions. [2020-12-22 09:33:42,591 INFO L78 Accepts]: Start accepts. Automaton has 3428 states and 5164 transitions. Word has length 64 [2020-12-22 09:33:42,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:33:42,591 INFO L481 AbstractCegarLoop]: Abstraction has 3428 states and 5164 transitions. [2020-12-22 09:33:42,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 09:33:42,592 INFO L276 IsEmpty]: Start isEmpty. Operand 3428 states and 5164 transitions. [2020-12-22 09:33:42,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-22 09:33:42,593 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:42,593 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:42,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 09:33:42,593 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:42,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:42,594 INFO L82 PathProgramCache]: Analyzing trace with hash 322769619, now seen corresponding path program 1 times [2020-12-22 09:33:42,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:42,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795070988] [2020-12-22 09:33:42,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:33:42,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795070988] [2020-12-22 09:33:42,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:33:42,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 09:33:42,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787276124] [2020-12-22 09:33:42,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 09:33:42,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:42,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 09:33:42,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 09:33:42,672 INFO L87 Difference]: Start difference. First operand 3428 states and 5164 transitions. Second operand 3 states. [2020-12-22 09:33:42,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:33:42,875 INFO L93 Difference]: Finished difference Result 6080 states and 8866 transitions. [2020-12-22 09:33:42,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 09:33:42,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-12-22 09:33:42,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:33:42,910 INFO L225 Difference]: With dead ends: 6080 [2020-12-22 09:33:42,910 INFO L226 Difference]: Without dead ends: 3430 [2020-12-22 09:33:42,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 09:33:42,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3430 states. [2020-12-22 09:33:43,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3430 to 3428. [2020-12-22 09:33:43,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3428 states. [2020-12-22 09:33:43,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3428 states to 3428 states and 5114 transitions. [2020-12-22 09:33:43,105 INFO L78 Accepts]: Start accepts. Automaton has 3428 states and 5114 transitions. Word has length 65 [2020-12-22 09:33:43,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:33:43,106 INFO L481 AbstractCegarLoop]: Abstraction has 3428 states and 5114 transitions. [2020-12-22 09:33:43,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 09:33:43,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3428 states and 5114 transitions. [2020-12-22 09:33:43,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-22 09:33:43,113 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:43,114 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:43,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 09:33:43,114 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:43,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:43,115 INFO L82 PathProgramCache]: Analyzing trace with hash 235650825, now seen corresponding path program 1 times [2020-12-22 09:33:43,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:43,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275832635] [2020-12-22 09:33:43,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:43,170 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:33:43,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275832635] [2020-12-22 09:33:43,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:33:43,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 09:33:43,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136193164] [2020-12-22 09:33:43,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 09:33:43,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:43,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 09:33:43,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 09:33:43,173 INFO L87 Difference]: Start difference. First operand 3428 states and 5114 transitions. Second operand 3 states. [2020-12-22 09:33:43,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:33:43,281 INFO L93 Difference]: Finished difference Result 4756 states and 6941 transitions. [2020-12-22 09:33:43,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 09:33:43,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-12-22 09:33:43,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:33:43,288 INFO L225 Difference]: With dead ends: 4756 [2020-12-22 09:33:43,288 INFO L226 Difference]: Without dead ends: 2106 [2020-12-22 09:33:43,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 09:33:43,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2020-12-22 09:33:43,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 2104. [2020-12-22 09:33:43,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2104 states. [2020-12-22 09:33:43,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 3264 transitions. [2020-12-22 09:33:43,394 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 3264 transitions. Word has length 65 [2020-12-22 09:33:43,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:33:43,395 INFO L481 AbstractCegarLoop]: Abstraction has 2104 states and 3264 transitions. [2020-12-22 09:33:43,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 09:33:43,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 3264 transitions. [2020-12-22 09:33:43,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-22 09:33:43,396 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:43,396 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:43,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 09:33:43,397 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:43,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:43,397 INFO L82 PathProgramCache]: Analyzing trace with hash -883624385, now seen corresponding path program 1 times [2020-12-22 09:33:43,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:43,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850910362] [2020-12-22 09:33:43,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:43,495 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 09:33:43,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850910362] [2020-12-22 09:33:43,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967457680] [2020-12-22 09:33:43,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 09:33:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:43,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-22 09:33:43,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 09:33:43,815 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 09:33:43,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 09:33:43,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9] total 10 [2020-12-22 09:33:43,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745967856] [2020-12-22 09:33:43,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 09:33:43,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:43,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 09:33:43,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-12-22 09:33:43,818 INFO L87 Difference]: Start difference. First operand 2104 states and 3264 transitions. Second operand 10 states. [2020-12-22 09:33:44,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:33:44,153 INFO L93 Difference]: Finished difference Result 3953 states and 5801 transitions. [2020-12-22 09:33:44,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 09:33:44,154 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2020-12-22 09:33:44,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:33:44,162 INFO L225 Difference]: With dead ends: 3953 [2020-12-22 09:33:44,162 INFO L226 Difference]: Without dead ends: 2943 [2020-12-22 09:33:44,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2020-12-22 09:33:44,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2943 states. [2020-12-22 09:33:44,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2943 to 2910. [2020-12-22 09:33:44,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2910 states. [2020-12-22 09:33:44,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 2910 states and 4320 transitions. [2020-12-22 09:33:44,343 INFO L78 Accepts]: Start accepts. Automaton has 2910 states and 4320 transitions. Word has length 65 [2020-12-22 09:33:44,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:33:44,343 INFO L481 AbstractCegarLoop]: Abstraction has 2910 states and 4320 transitions. [2020-12-22 09:33:44,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 09:33:44,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2910 states and 4320 transitions. [2020-12-22 09:33:44,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-22 09:33:44,344 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:44,345 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:44,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-22 09:33:44,559 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:44,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:44,559 INFO L82 PathProgramCache]: Analyzing trace with hash 752221610, now seen corresponding path program 1 times [2020-12-22 09:33:44,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:44,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260990435] [2020-12-22 09:33:44,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:44,812 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:33:44,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260990435] [2020-12-22 09:33:44,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706179764] [2020-12-22 09:33:44,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 09:33:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:44,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 09:33:44,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 09:33:45,206 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 09:33:45,502 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:33:45,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 09:33:45,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2020-12-22 09:33:45,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506900281] [2020-12-22 09:33:45,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-22 09:33:45,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:45,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-22 09:33:45,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-12-22 09:33:45,504 INFO L87 Difference]: Start difference. First operand 2910 states and 4320 transitions. Second operand 17 states. [2020-12-22 09:33:47,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:33:47,519 INFO L93 Difference]: Finished difference Result 9929 states and 13590 transitions. [2020-12-22 09:33:47,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-22 09:33:47,520 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 66 [2020-12-22 09:33:47,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:33:47,539 INFO L225 Difference]: With dead ends: 9929 [2020-12-22 09:33:47,539 INFO L226 Difference]: Without dead ends: 8438 [2020-12-22 09:33:47,544 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=280, Invalid=910, Unknown=0, NotChecked=0, Total=1190 [2020-12-22 09:33:47,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8438 states. [2020-12-22 09:33:47,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8438 to 5385. [2020-12-22 09:33:47,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5385 states. [2020-12-22 09:33:47,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5385 states to 5385 states and 7598 transitions. [2020-12-22 09:33:47,917 INFO L78 Accepts]: Start accepts. Automaton has 5385 states and 7598 transitions. Word has length 66 [2020-12-22 09:33:47,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:33:47,917 INFO L481 AbstractCegarLoop]: Abstraction has 5385 states and 7598 transitions. [2020-12-22 09:33:47,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-12-22 09:33:47,917 INFO L276 IsEmpty]: Start isEmpty. Operand 5385 states and 7598 transitions. [2020-12-22 09:33:47,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-22 09:33:47,918 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:47,919 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:48,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-22 09:33:48,134 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:48,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:48,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1910012548, now seen corresponding path program 1 times [2020-12-22 09:33:48,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:48,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602678399] [2020-12-22 09:33:48,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:33:48,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602678399] [2020-12-22 09:33:48,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839134876] [2020-12-22 09:33:48,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 09:33:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:48,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-22 09:33:48,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 09:33:48,627 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 09:33:48,976 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:33:48,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 09:33:48,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2020-12-22 09:33:48,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597512304] [2020-12-22 09:33:48,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-22 09:33:48,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:48,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-22 09:33:48,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2020-12-22 09:33:48,978 INFO L87 Difference]: Start difference. First operand 5385 states and 7598 transitions. Second operand 17 states. [2020-12-22 09:33:51,961 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-12-22 09:33:53,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:33:53,681 INFO L93 Difference]: Finished difference Result 28499 states and 38170 transitions. [2020-12-22 09:33:53,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-22 09:33:53,681 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 66 [2020-12-22 09:33:53,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:33:53,740 INFO L225 Difference]: With dead ends: 28499 [2020-12-22 09:33:53,740 INFO L226 Difference]: Without dead ends: 23892 [2020-12-22 09:33:53,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=578, Invalid=1678, Unknown=0, NotChecked=0, Total=2256 [2020-12-22 09:33:53,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23892 states. [2020-12-22 09:33:54,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23892 to 10884. [2020-12-22 09:33:54,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10884 states. [2020-12-22 09:33:54,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10884 states to 10884 states and 14725 transitions. [2020-12-22 09:33:54,642 INFO L78 Accepts]: Start accepts. Automaton has 10884 states and 14725 transitions. Word has length 66 [2020-12-22 09:33:54,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:33:54,642 INFO L481 AbstractCegarLoop]: Abstraction has 10884 states and 14725 transitions. [2020-12-22 09:33:54,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-12-22 09:33:54,643 INFO L276 IsEmpty]: Start isEmpty. Operand 10884 states and 14725 transitions. [2020-12-22 09:33:54,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-22 09:33:54,644 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:33:54,644 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:33:54,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-22 09:33:54,860 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:33:54,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:33:54,861 INFO L82 PathProgramCache]: Analyzing trace with hash 616171932, now seen corresponding path program 1 times [2020-12-22 09:33:54,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:33:54,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786917548] [2020-12-22 09:33:54,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:33:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:55,090 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:33:55,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786917548] [2020-12-22 09:33:55,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139892747] [2020-12-22 09:33:55,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 09:33:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:33:55,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-22 09:33:55,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 09:33:55,477 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 09:33:55,808 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:33:55,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 09:33:55,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2020-12-22 09:33:55,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397769451] [2020-12-22 09:33:55,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-22 09:33:55,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:33:55,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-22 09:33:55,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2020-12-22 09:33:55,810 INFO L87 Difference]: Start difference. First operand 10884 states and 14725 transitions. Second operand 18 states. [2020-12-22 09:34:00,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:34:00,230 INFO L93 Difference]: Finished difference Result 53678 states and 70061 transitions. [2020-12-22 09:34:00,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-22 09:34:00,230 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 66 [2020-12-22 09:34:00,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:34:00,331 INFO L225 Difference]: With dead ends: 53678 [2020-12-22 09:34:00,332 INFO L226 Difference]: Without dead ends: 43572 [2020-12-22 09:34:00,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=362, Invalid=1044, Unknown=0, NotChecked=0, Total=1406 [2020-12-22 09:34:00,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43572 states. [2020-12-22 09:34:02,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43572 to 28320. [2020-12-22 09:34:02,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28320 states. [2020-12-22 09:34:02,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28320 states to 28320 states and 37153 transitions. [2020-12-22 09:34:02,876 INFO L78 Accepts]: Start accepts. Automaton has 28320 states and 37153 transitions. Word has length 66 [2020-12-22 09:34:02,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:34:02,876 INFO L481 AbstractCegarLoop]: Abstraction has 28320 states and 37153 transitions. [2020-12-22 09:34:02,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-22 09:34:02,877 INFO L276 IsEmpty]: Start isEmpty. Operand 28320 states and 37153 transitions. [2020-12-22 09:34:02,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-22 09:34:02,879 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:34:02,879 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:34:03,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-22 09:34:03,085 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:34:03,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:34:03,086 INFO L82 PathProgramCache]: Analyzing trace with hash -434236462, now seen corresponding path program 1 times [2020-12-22 09:34:03,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:34:03,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341109620] [2020-12-22 09:34:03,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:34:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:34:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:34:03,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341109620] [2020-12-22 09:34:03,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:34:03,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 09:34:03,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192480499] [2020-12-22 09:34:03,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 09:34:03,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:34:03,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 09:34:03,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 09:34:03,294 INFO L87 Difference]: Start difference. First operand 28320 states and 37153 transitions. Second operand 3 states. [2020-12-22 09:34:04,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:34:04,708 INFO L93 Difference]: Finished difference Result 40316 states and 52683 transitions. [2020-12-22 09:34:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 09:34:04,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-22 09:34:04,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:34:04,733 INFO L225 Difference]: With dead ends: 40316 [2020-12-22 09:34:04,734 INFO L226 Difference]: Without dead ends: 12774 [2020-12-22 09:34:04,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 09:34:04,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12774 states. [2020-12-22 09:34:05,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12774 to 11722. [2020-12-22 09:34:05,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11722 states. [2020-12-22 09:34:05,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11722 states to 11722 states and 15442 transitions. [2020-12-22 09:34:05,837 INFO L78 Accepts]: Start accepts. Automaton has 11722 states and 15442 transitions. Word has length 66 [2020-12-22 09:34:05,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:34:05,837 INFO L481 AbstractCegarLoop]: Abstraction has 11722 states and 15442 transitions. [2020-12-22 09:34:05,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 09:34:05,837 INFO L276 IsEmpty]: Start isEmpty. Operand 11722 states and 15442 transitions. [2020-12-22 09:34:05,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-22 09:34:05,839 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:34:05,839 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:34:05,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-22 09:34:05,839 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:34:05,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:34:05,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1433407838, now seen corresponding path program 1 times [2020-12-22 09:34:05,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:34:05,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573300890] [2020-12-22 09:34:05,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:34:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:34:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 09:34:05,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573300890] [2020-12-22 09:34:05,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:34:05,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 09:34:05,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551534284] [2020-12-22 09:34:05,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 09:34:05,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:34:05,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 09:34:05,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 09:34:05,918 INFO L87 Difference]: Start difference. First operand 11722 states and 15442 transitions. Second operand 6 states. [2020-12-22 09:34:06,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:34:06,413 INFO L93 Difference]: Finished difference Result 17503 states and 22934 transitions. [2020-12-22 09:34:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 09:34:06,414 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-12-22 09:34:06,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:34:06,429 INFO L225 Difference]: With dead ends: 17503 [2020-12-22 09:34:06,429 INFO L226 Difference]: Without dead ends: 6636 [2020-12-22 09:34:06,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-22 09:34:06,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6636 states. [2020-12-22 09:34:06,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6636 to 6636. [2020-12-22 09:34:06,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6636 states. [2020-12-22 09:34:06,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6636 states to 6636 states and 8865 transitions. [2020-12-22 09:34:06,997 INFO L78 Accepts]: Start accepts. Automaton has 6636 states and 8865 transitions. Word has length 66 [2020-12-22 09:34:06,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:34:06,998 INFO L481 AbstractCegarLoop]: Abstraction has 6636 states and 8865 transitions. [2020-12-22 09:34:06,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 09:34:06,998 INFO L276 IsEmpty]: Start isEmpty. Operand 6636 states and 8865 transitions. [2020-12-22 09:34:06,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-22 09:34:06,999 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:34:06,999 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:34:06,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-22 09:34:06,999 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:34:07,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:34:07,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1275703454, now seen corresponding path program 1 times [2020-12-22 09:34:07,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:34:07,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965109556] [2020-12-22 09:34:07,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:34:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:34:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-22 09:34:07,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965109556] [2020-12-22 09:34:07,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:34:07,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 09:34:07,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698876769] [2020-12-22 09:34:07,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 09:34:07,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:34:07,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 09:34:07,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 09:34:07,074 INFO L87 Difference]: Start difference. First operand 6636 states and 8865 transitions. Second operand 6 states. [2020-12-22 09:34:07,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:34:07,510 INFO L93 Difference]: Finished difference Result 10995 states and 14401 transitions. [2020-12-22 09:34:07,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 09:34:07,511 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-12-22 09:34:07,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:34:07,523 INFO L225 Difference]: With dead ends: 10995 [2020-12-22 09:34:07,523 INFO L226 Difference]: Without dead ends: 5228 [2020-12-22 09:34:07,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-22 09:34:07,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5228 states. [2020-12-22 09:34:07,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5228 to 5228. [2020-12-22 09:34:07,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5228 states. [2020-12-22 09:34:07,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5228 states to 5228 states and 6991 transitions. [2020-12-22 09:34:07,959 INFO L78 Accepts]: Start accepts. Automaton has 5228 states and 6991 transitions. Word has length 66 [2020-12-22 09:34:07,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:34:07,959 INFO L481 AbstractCegarLoop]: Abstraction has 5228 states and 6991 transitions. [2020-12-22 09:34:07,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 09:34:07,959 INFO L276 IsEmpty]: Start isEmpty. Operand 5228 states and 6991 transitions. [2020-12-22 09:34:07,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-22 09:34:07,960 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:34:07,961 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:34:07,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-22 09:34:07,961 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:34:07,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:34:07,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1486365826, now seen corresponding path program 1 times [2020-12-22 09:34:07,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:34:07,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135300010] [2020-12-22 09:34:07,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:34:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:34:08,024 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-22 09:34:08,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135300010] [2020-12-22 09:34:08,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:34:08,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 09:34:08,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441258306] [2020-12-22 09:34:08,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 09:34:08,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:34:08,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 09:34:08,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 09:34:08,026 INFO L87 Difference]: Start difference. First operand 5228 states and 6991 transitions. Second operand 6 states. [2020-12-22 09:34:09,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:34:09,099 INFO L93 Difference]: Finished difference Result 12043 states and 15595 transitions. [2020-12-22 09:34:09,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 09:34:09,100 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-12-22 09:34:09,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:34:09,115 INFO L225 Difference]: With dead ends: 12043 [2020-12-22 09:34:09,115 INFO L226 Difference]: Without dead ends: 7625 [2020-12-22 09:34:09,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-22 09:34:09,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7625 states. [2020-12-22 09:34:09,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7625 to 7047. [2020-12-22 09:34:09,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7047 states. [2020-12-22 09:34:09,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7047 states to 7047 states and 9246 transitions. [2020-12-22 09:34:09,791 INFO L78 Accepts]: Start accepts. Automaton has 7047 states and 9246 transitions. Word has length 66 [2020-12-22 09:34:09,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:34:09,792 INFO L481 AbstractCegarLoop]: Abstraction has 7047 states and 9246 transitions. [2020-12-22 09:34:09,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 09:34:09,792 INFO L276 IsEmpty]: Start isEmpty. Operand 7047 states and 9246 transitions. [2020-12-22 09:34:09,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-22 09:34:09,793 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:34:09,794 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:34:09,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-22 09:34:09,794 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:34:09,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:34:09,794 INFO L82 PathProgramCache]: Analyzing trace with hash -791645332, now seen corresponding path program 1 times [2020-12-22 09:34:09,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:34:09,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560967877] [2020-12-22 09:34:09,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:34:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:34:10,299 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:34:10,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560967877] [2020-12-22 09:34:10,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903988373] [2020-12-22 09:34:10,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 09:34:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:34:10,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 37 conjunts are in the unsatisfiable core [2020-12-22 09:34:10,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 09:34:11,401 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-12-22 09:34:11,613 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-12-22 09:34:11,919 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 09:34:11,968 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 09:34:11,969 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-22 09:34:11,978 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-22 09:34:12,617 WARN L197 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 47 [2020-12-22 09:34:13,047 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 09:34:13,166 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:34:13,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 09:34:13,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 22] total 33 [2020-12-22 09:34:13,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972608882] [2020-12-22 09:34:13,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-12-22 09:34:13,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:34:13,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-12-22 09:34:13,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=911, Unknown=0, NotChecked=0, Total=1056 [2020-12-22 09:34:13,169 INFO L87 Difference]: Start difference. First operand 7047 states and 9246 transitions. Second operand 33 states. [2020-12-22 09:34:14,685 WARN L197 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 67 [2020-12-22 09:34:14,968 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-22 09:34:15,260 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-12-22 09:34:15,600 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-12-22 09:34:16,008 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-12-22 09:34:16,550 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2020-12-22 09:34:18,471 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2020-12-22 09:34:18,899 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-12-22 09:34:19,148 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2020-12-22 09:34:19,351 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2020-12-22 09:34:19,539 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-12-22 09:34:19,712 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-12-22 09:34:20,116 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2020-12-22 09:34:20,653 WARN L197 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2020-12-22 09:34:20,933 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-12-22 09:34:21,341 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-12-22 09:34:21,710 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-12-22 09:34:23,050 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-12-22 09:34:23,232 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2020-12-22 09:34:23,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:34:23,519 INFO L93 Difference]: Finished difference Result 12292 states and 15790 transitions. [2020-12-22 09:34:23,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2020-12-22 09:34:23,519 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 67 [2020-12-22 09:34:23,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:34:23,531 INFO L225 Difference]: With dead ends: 12292 [2020-12-22 09:34:23,531 INFO L226 Difference]: Without dead ends: 8540 [2020-12-22 09:34:23,542 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3505 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=1695, Invalid=9225, Unknown=0, NotChecked=0, Total=10920 [2020-12-22 09:34:23,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8540 states. [2020-12-22 09:34:24,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8540 to 6222. [2020-12-22 09:34:24,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6222 states. [2020-12-22 09:34:24,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6222 states to 6222 states and 8251 transitions. [2020-12-22 09:34:24,162 INFO L78 Accepts]: Start accepts. Automaton has 6222 states and 8251 transitions. Word has length 67 [2020-12-22 09:34:24,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:34:24,162 INFO L481 AbstractCegarLoop]: Abstraction has 6222 states and 8251 transitions. [2020-12-22 09:34:24,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-12-22 09:34:24,162 INFO L276 IsEmpty]: Start isEmpty. Operand 6222 states and 8251 transitions. [2020-12-22 09:34:24,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-22 09:34:24,163 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:34:24,163 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:34:24,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2020-12-22 09:34:24,364 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:34:24,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:34:24,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1641009586, now seen corresponding path program 1 times [2020-12-22 09:34:24,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:34:24,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356534768] [2020-12-22 09:34:24,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:34:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:34:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:34:24,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356534768] [2020-12-22 09:34:24,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67825634] [2020-12-22 09:34:24,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 09:34:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:34:25,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-22 09:34:25,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 09:34:25,270 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 09:34:25,855 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:34:25,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 09:34:25,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2020-12-22 09:34:25,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624163433] [2020-12-22 09:34:25,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-12-22 09:34:25,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:34:25,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-12-22 09:34:25,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2020-12-22 09:34:25,857 INFO L87 Difference]: Start difference. First operand 6222 states and 8251 transitions. Second operand 22 states. [2020-12-22 09:34:26,179 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2020-12-22 09:34:26,348 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2020-12-22 09:34:26,518 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2020-12-22 09:34:27,451 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 41 [2020-12-22 09:34:27,717 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2020-12-22 09:34:27,898 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 30 [2020-12-22 09:34:28,135 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-12-22 09:34:28,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:34:28,981 INFO L93 Difference]: Finished difference Result 11229 states and 14669 transitions. [2020-12-22 09:34:28,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-22 09:34:28,982 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 67 [2020-12-22 09:34:28,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:34:28,992 INFO L225 Difference]: With dead ends: 11229 [2020-12-22 09:34:28,992 INFO L226 Difference]: Without dead ends: 8635 [2020-12-22 09:34:28,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=275, Invalid=985, Unknown=0, NotChecked=0, Total=1260 [2020-12-22 09:34:29,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8635 states. [2020-12-22 09:34:29,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8635 to 5797. [2020-12-22 09:34:29,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5797 states. [2020-12-22 09:34:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5797 states to 5797 states and 7752 transitions. [2020-12-22 09:34:29,594 INFO L78 Accepts]: Start accepts. Automaton has 5797 states and 7752 transitions. Word has length 67 [2020-12-22 09:34:29,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:34:29,594 INFO L481 AbstractCegarLoop]: Abstraction has 5797 states and 7752 transitions. [2020-12-22 09:34:29,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-12-22 09:34:29,594 INFO L276 IsEmpty]: Start isEmpty. Operand 5797 states and 7752 transitions. [2020-12-22 09:34:29,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-22 09:34:29,595 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:34:29,595 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:34:29,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 09:34:29,809 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:34:29,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:34:29,810 INFO L82 PathProgramCache]: Analyzing trace with hash 531431905, now seen corresponding path program 1 times [2020-12-22 09:34:29,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:34:29,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385207167] [2020-12-22 09:34:29,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:34:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:34:29,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:34:29,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385207167] [2020-12-22 09:34:29,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 09:34:29,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 09:34:29,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594729326] [2020-12-22 09:34:29,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 09:34:29,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:34:29,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 09:34:29,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 09:34:29,867 INFO L87 Difference]: Start difference. First operand 5797 states and 7752 transitions. Second operand 3 states. [2020-12-22 09:34:37,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:34:37,030 INFO L93 Difference]: Finished difference Result 7301 states and 10625 transitions. [2020-12-22 09:34:37,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 09:34:37,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-12-22 09:34:37,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:34:37,040 INFO L225 Difference]: With dead ends: 7301 [2020-12-22 09:34:37,040 INFO L226 Difference]: Without dead ends: 6548 [2020-12-22 09:34:37,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 09:34:37,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6548 states. [2020-12-22 09:34:37,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6548 to 6548. [2020-12-22 09:34:37,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6548 states. [2020-12-22 09:34:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6548 states to 6548 states and 8731 transitions. [2020-12-22 09:34:37,692 INFO L78 Accepts]: Start accepts. Automaton has 6548 states and 8731 transitions. Word has length 67 [2020-12-22 09:34:37,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:34:37,693 INFO L481 AbstractCegarLoop]: Abstraction has 6548 states and 8731 transitions. [2020-12-22 09:34:37,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 09:34:37,693 INFO L276 IsEmpty]: Start isEmpty. Operand 6548 states and 8731 transitions. [2020-12-22 09:34:37,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-22 09:34:37,694 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:34:37,694 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:34:37,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-22 09:34:37,694 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:34:37,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:34:37,695 INFO L82 PathProgramCache]: Analyzing trace with hash -2141886399, now seen corresponding path program 1 times [2020-12-22 09:34:37,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:34:37,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828309132] [2020-12-22 09:34:37,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:34:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:34:38,070 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-12-22 09:34:38,330 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:34:38,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828309132] [2020-12-22 09:34:38,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824623997] [2020-12-22 09:34:38,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 09:34:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:34:38,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 39 conjunts are in the unsatisfiable core [2020-12-22 09:34:38,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 09:34:39,700 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-12-22 09:34:40,030 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2020-12-22 09:34:40,039 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 09:34:40,536 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2020-12-22 09:34:40,618 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:34:40,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 09:34:40,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 21] total 32 [2020-12-22 09:34:40,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767779331] [2020-12-22 09:34:40,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-12-22 09:34:40,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:34:40,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-12-22 09:34:40,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=804, Unknown=0, NotChecked=0, Total=992 [2020-12-22 09:34:40,620 INFO L87 Difference]: Start difference. First operand 6548 states and 8731 transitions. Second operand 32 states. [2020-12-22 09:34:42,020 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2020-12-22 09:34:42,204 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-12-22 09:34:42,493 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2020-12-22 09:34:42,679 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-12-22 09:34:43,808 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-12-22 09:34:43,974 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-12-22 09:34:44,133 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-12-22 09:34:44,423 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-12-22 09:34:45,418 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-12-22 09:34:45,566 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-12-22 09:34:45,713 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-12-22 09:34:46,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:34:46,088 INFO L93 Difference]: Finished difference Result 9942 states and 13100 transitions. [2020-12-22 09:34:46,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-12-22 09:34:46,089 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 68 [2020-12-22 09:34:46,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:34:46,096 INFO L225 Difference]: With dead ends: 9942 [2020-12-22 09:34:46,096 INFO L226 Difference]: Without dead ends: 7063 [2020-12-22 09:34:46,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1021 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=804, Invalid=3102, Unknown=0, NotChecked=0, Total=3906 [2020-12-22 09:34:46,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7063 states. [2020-12-22 09:34:46,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7063 to 4541. [2020-12-22 09:34:46,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4541 states. [2020-12-22 09:34:46,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4541 states to 4541 states and 6261 transitions. [2020-12-22 09:34:46,462 INFO L78 Accepts]: Start accepts. Automaton has 4541 states and 6261 transitions. Word has length 68 [2020-12-22 09:34:46,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:34:46,463 INFO L481 AbstractCegarLoop]: Abstraction has 4541 states and 6261 transitions. [2020-12-22 09:34:46,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-12-22 09:34:46,463 INFO L276 IsEmpty]: Start isEmpty. Operand 4541 states and 6261 transitions. [2020-12-22 09:34:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-22 09:34:46,465 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:34:46,465 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:34:46,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2020-12-22 09:34:46,666 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:34:46,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:34:46,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1538014726, now seen corresponding path program 1 times [2020-12-22 09:34:46,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:34:46,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658497008] [2020-12-22 09:34:46,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:34:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:34:47,031 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 22 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:34:47,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658497008] [2020-12-22 09:34:47,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125131009] [2020-12-22 09:34:47,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 09:34:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:34:47,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-22 09:34:47,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 09:34:47,618 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 09:34:47,648 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:34:47,756 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:34:47,801 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:34:47,907 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 09:34:49,703 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 32 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:34:49,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 09:34:49,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2020-12-22 09:34:49,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99714551] [2020-12-22 09:34:49,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-12-22 09:34:49,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:34:49,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-12-22 09:34:49,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2020-12-22 09:34:49,705 INFO L87 Difference]: Start difference. First operand 4541 states and 6261 transitions. Second operand 22 states. [2020-12-22 09:34:49,845 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-12-22 09:34:50,484 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2020-12-22 09:34:50,778 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-12-22 09:34:52,502 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-22 09:34:53,811 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-22 09:34:54,063 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-12-22 09:34:54,273 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-22 09:34:54,456 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-12-22 09:34:54,642 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-22 09:34:54,999 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2020-12-22 09:34:55,279 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2020-12-22 09:34:55,493 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-12-22 09:34:55,781 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2020-12-22 09:34:56,127 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 105 [2020-12-22 09:34:56,409 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2020-12-22 09:34:56,626 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 55 [2020-12-22 09:34:56,900 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2020-12-22 09:34:57,107 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-22 09:34:57,324 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2020-12-22 09:34:57,507 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-12-22 09:34:57,799 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2020-12-22 09:34:58,044 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2020-12-22 09:34:58,225 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-12-22 09:34:59,280 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2020-12-22 09:34:59,508 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-12-22 09:34:59,775 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2020-12-22 09:34:59,988 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2020-12-22 09:35:00,244 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2020-12-22 09:35:00,584 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2020-12-22 09:35:00,941 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2020-12-22 09:35:01,143 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2020-12-22 09:35:04,304 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2020-12-22 09:35:04,570 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2020-12-22 09:35:04,970 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2020-12-22 09:35:05,288 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2020-12-22 09:35:05,610 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2020-12-22 09:35:06,785 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-12-22 09:35:08,149 WARN L197 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2020-12-22 09:35:08,500 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2020-12-22 09:35:11,292 WARN L197 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-12-22 09:35:11,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:35:11,785 INFO L93 Difference]: Finished difference Result 9357 states and 12435 transitions. [2020-12-22 09:35:11,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-12-22 09:35:11,786 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 110 [2020-12-22 09:35:11,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:35:11,793 INFO L225 Difference]: With dead ends: 9357 [2020-12-22 09:35:11,793 INFO L226 Difference]: Without dead ends: 6593 [2020-12-22 09:35:11,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 828 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=1023, Invalid=3399, Unknown=0, NotChecked=0, Total=4422 [2020-12-22 09:35:11,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6593 states. [2020-12-22 09:35:12,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6593 to 5047. [2020-12-22 09:35:12,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5047 states. [2020-12-22 09:35:12,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5047 states to 5047 states and 6784 transitions. [2020-12-22 09:35:12,406 INFO L78 Accepts]: Start accepts. Automaton has 5047 states and 6784 transitions. Word has length 110 [2020-12-22 09:35:12,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:35:12,406 INFO L481 AbstractCegarLoop]: Abstraction has 5047 states and 6784 transitions. [2020-12-22 09:35:12,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-12-22 09:35:12,406 INFO L276 IsEmpty]: Start isEmpty. Operand 5047 states and 6784 transitions. [2020-12-22 09:35:12,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-22 09:35:12,410 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:35:12,410 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:35:12,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2020-12-22 09:35:12,624 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:35:12,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:35:12,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1600436991, now seen corresponding path program 1 times [2020-12-22 09:35:12,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:35:12,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021792797] [2020-12-22 09:35:12,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:35:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:35:13,365 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 60 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-22 09:35:13,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021792797] [2020-12-22 09:35:13,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901979470] [2020-12-22 09:35:13,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 09:35:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:35:13,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 22 conjunts are in the unsatisfiable core [2020-12-22 09:35:13,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 09:35:14,246 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 09:35:14,889 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 38 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:35:14,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 09:35:14,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 11] total 30 [2020-12-22 09:35:14,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770184102] [2020-12-22 09:35:14,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-12-22 09:35:14,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:35:14,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-12-22 09:35:14,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=794, Unknown=0, NotChecked=0, Total=870 [2020-12-22 09:35:14,891 INFO L87 Difference]: Start difference. First operand 5047 states and 6784 transitions. Second operand 30 states. [2020-12-22 09:35:15,165 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-12-22 09:35:16,007 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-22 09:35:16,266 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-22 09:35:16,757 WARN L197 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2020-12-22 09:35:17,025 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-22 09:35:17,274 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-12-22 09:35:17,574 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-22 09:35:17,860 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-12-22 09:35:18,231 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-22 09:35:18,640 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-12-22 09:35:19,029 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-12-22 09:35:19,389 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-22 09:35:19,793 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-22 09:35:20,183 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 09:35:20,550 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-12-22 09:35:20,956 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-22 09:35:21,294 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-22 09:35:21,815 WARN L197 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2020-12-22 09:35:22,254 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-22 09:35:22,656 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-22 09:35:23,148 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-22 09:35:23,667 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-22 09:35:24,003 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-22 09:35:24,385 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-22 09:35:24,753 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-22 09:35:25,029 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-22 09:35:25,321 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-22 09:35:25,573 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-22 09:35:26,839 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-22 09:35:27,172 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-22 09:35:27,635 WARN L197 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-22 09:35:28,038 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-22 09:35:28,352 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-22 09:35:28,842 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-22 09:35:29,273 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-22 09:35:29,565 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-22 09:35:30,306 WARN L197 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-22 09:35:30,770 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-22 09:35:33,133 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-22 09:35:34,032 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-22 09:35:34,736 WARN L197 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-22 09:35:35,123 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-22 09:35:35,703 WARN L197 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-22 09:35:36,215 WARN L197 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-22 09:35:36,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:35:36,754 INFO L93 Difference]: Finished difference Result 8629 states and 11304 transitions. [2020-12-22 09:35:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-12-22 09:35:36,756 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 111 [2020-12-22 09:35:36,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:35:36,763 INFO L225 Difference]: With dead ends: 8629 [2020-12-22 09:35:36,764 INFO L226 Difference]: Without dead ends: 6596 [2020-12-22 09:35:36,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1385 ImplicationChecksByTransitivity, 16.4s TimeCoverageRelationStatistics Valid=940, Invalid=5380, Unknown=0, NotChecked=0, Total=6320 [2020-12-22 09:35:36,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6596 states. [2020-12-22 09:35:37,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6596 to 5020. [2020-12-22 09:35:37,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5020 states. [2020-12-22 09:35:37,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5020 states to 5020 states and 6724 transitions. [2020-12-22 09:35:37,475 INFO L78 Accepts]: Start accepts. Automaton has 5020 states and 6724 transitions. Word has length 111 [2020-12-22 09:35:37,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:35:37,475 INFO L481 AbstractCegarLoop]: Abstraction has 5020 states and 6724 transitions. [2020-12-22 09:35:37,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-12-22 09:35:37,475 INFO L276 IsEmpty]: Start isEmpty. Operand 5020 states and 6724 transitions. [2020-12-22 09:35:37,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 09:35:37,478 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:35:37,478 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:35:37,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-12-22 09:35:37,692 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:35:37,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:35:37,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1933874233, now seen corresponding path program 1 times [2020-12-22 09:35:37,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:35:37,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8365265] [2020-12-22 09:35:37,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:35:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:35:39,048 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 33 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:35:39,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8365265] [2020-12-22 09:35:39,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120061995] [2020-12-22 09:35:39,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 09:35:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:35:39,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-22 09:35:39,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 09:35:40,496 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 09:35:40,505 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 09:35:40,505 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 09:35:40,507 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 09:35:41,235 WARN L197 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 34 [2020-12-22 09:35:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 27 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:35:41,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 09:35:41,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 13] total 34 [2020-12-22 09:35:41,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915402919] [2020-12-22 09:35:41,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-12-22 09:35:41,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 09:35:41,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-12-22 09:35:41,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1018, Unknown=0, NotChecked=0, Total=1122 [2020-12-22 09:35:41,899 INFO L87 Difference]: Start difference. First operand 5020 states and 6724 transitions. Second operand 34 states. [2020-12-22 09:35:42,629 WARN L197 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 98 [2020-12-22 09:35:42,918 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-22 09:35:43,250 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-22 09:35:43,570 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-22 09:35:43,839 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-22 09:35:44,295 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-12-22 09:35:44,783 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-12-22 09:35:45,669 WARN L197 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2020-12-22 09:35:46,271 WARN L197 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 81 [2020-12-22 09:35:46,898 WARN L197 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 87 [2020-12-22 09:35:47,406 WARN L197 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2020-12-22 09:35:48,087 WARN L197 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 72 [2020-12-22 09:35:48,704 WARN L197 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 77 [2020-12-22 09:35:49,273 WARN L197 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2020-12-22 09:35:49,823 WARN L197 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2020-12-22 09:35:50,457 WARN L197 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2020-12-22 09:35:51,055 WARN L197 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-12-22 09:35:51,628 WARN L197 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2020-12-22 09:35:52,239 WARN L197 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2020-12-22 09:35:52,862 WARN L197 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2020-12-22 09:35:53,398 WARN L197 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2020-12-22 09:35:53,924 WARN L197 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2020-12-22 09:35:54,497 WARN L197 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2020-12-22 09:35:55,137 WARN L197 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2020-12-22 09:35:55,705 WARN L197 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2020-12-22 09:35:56,436 WARN L197 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2020-12-22 09:35:56,969 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2020-12-22 09:35:57,449 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2020-12-22 09:35:58,051 WARN L197 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-12-22 09:35:58,706 WARN L197 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2020-12-22 09:35:59,237 WARN L197 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2020-12-22 09:36:00,078 WARN L197 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2020-12-22 09:36:00,732 WARN L197 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-12-22 09:36:01,405 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2020-12-22 09:36:01,839 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2020-12-22 09:36:02,321 WARN L197 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-12-22 09:36:02,821 WARN L197 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2020-12-22 09:36:03,330 WARN L197 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2020-12-22 09:36:03,809 WARN L197 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2020-12-22 09:36:04,288 WARN L197 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2020-12-22 09:36:04,917 WARN L197 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-12-22 09:36:05,394 WARN L197 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2020-12-22 09:36:05,933 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-12-22 09:36:06,572 WARN L197 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2020-12-22 09:36:06,999 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2020-12-22 09:36:07,764 WARN L197 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2020-12-22 09:36:08,284 WARN L197 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2020-12-22 09:36:08,859 WARN L197 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-12-22 09:36:09,697 WARN L197 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 92 [2020-12-22 09:36:10,454 WARN L197 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-12-22 09:36:10,907 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2020-12-22 09:36:11,812 WARN L197 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-12-22 09:36:12,307 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2020-12-22 09:36:13,173 WARN L197 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2020-12-22 09:36:13,675 WARN L197 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2020-12-22 09:36:14,000 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2020-12-22 09:36:14,709 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-12-22 09:36:14,944 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-22 09:36:15,567 WARN L197 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-12-22 09:36:15,963 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2020-12-22 09:36:16,300 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-22 09:36:17,378 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-22 09:36:17,683 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-22 09:36:17,960 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-22 09:36:18,454 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-12-22 09:36:18,734 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-22 09:36:19,084 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-22 09:36:19,339 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-22 09:36:19,620 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-12-22 09:36:20,109 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-22 09:36:20,831 WARN L197 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-12-22 09:36:21,088 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-22 09:36:21,506 WARN L197 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-12-22 09:36:21,896 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-22 09:36:22,142 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-22 09:36:22,617 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2020-12-22 09:36:23,179 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-22 09:36:23,629 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-22 09:36:23,905 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-22 09:36:24,689 WARN L197 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-12-22 09:36:25,390 WARN L197 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-22 09:36:26,469 WARN L197 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-12-22 09:36:26,945 WARN L197 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-22 09:36:28,069 WARN L197 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-12-22 09:36:28,607 WARN L197 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-22 09:36:30,569 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-12-22 09:36:31,196 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-22 09:36:33,045 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-22 09:36:33,621 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-22 09:36:34,169 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-22 09:36:34,446 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-22 09:36:34,795 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-22 09:36:35,461 WARN L197 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-22 09:36:36,022 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-12-22 09:36:36,469 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-22 09:36:37,023 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-22 09:36:37,635 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 09:36:38,227 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-22 09:36:38,485 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-22 09:36:39,428 WARN L197 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-22 09:36:40,220 WARN L197 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-12-22 09:36:40,629 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-12-22 09:36:41,542 WARN L197 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-12-22 09:36:42,552 WARN L197 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2020-12-22 09:36:43,011 WARN L197 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2020-12-22 09:36:43,424 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-22 09:36:43,684 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-22 09:36:44,246 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-22 09:36:44,718 WARN L197 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2020-12-22 09:36:45,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 09:36:45,553 INFO L93 Difference]: Finished difference Result 13007 states and 16705 transitions. [2020-12-22 09:36:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2020-12-22 09:36:45,553 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 112 [2020-12-22 09:36:45,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 09:36:45,563 INFO L225 Difference]: With dead ends: 13007 [2020-12-22 09:36:45,563 INFO L226 Difference]: Without dead ends: 9765 [2020-12-22 09:36:45,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6881 ImplicationChecksByTransitivity, 53.9s TimeCoverageRelationStatistics Valid=3020, Invalid=18442, Unknown=0, NotChecked=0, Total=21462 [2020-12-22 09:36:45,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9765 states. [2020-12-22 09:36:46,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9765 to 5439. [2020-12-22 09:36:46,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5439 states. [2020-12-22 09:36:46,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5439 states to 5439 states and 7238 transitions. [2020-12-22 09:36:46,626 INFO L78 Accepts]: Start accepts. Automaton has 5439 states and 7238 transitions. Word has length 112 [2020-12-22 09:36:46,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 09:36:46,626 INFO L481 AbstractCegarLoop]: Abstraction has 5439 states and 7238 transitions. [2020-12-22 09:36:46,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-12-22 09:36:46,626 INFO L276 IsEmpty]: Start isEmpty. Operand 5439 states and 7238 transitions. [2020-12-22 09:36:46,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-22 09:36:46,630 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 09:36:46,630 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 09:36:46,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-12-22 09:36:46,844 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 09:36:46,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 09:36:46,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1117709487, now seen corresponding path program 1 times [2020-12-22 09:36:46,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 09:36:46,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137983727] [2020-12-22 09:36:46,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 09:36:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:36:47,938 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 12 [2020-12-22 09:36:48,386 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 26 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 09:36:48,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137983727] [2020-12-22 09:36:48,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879094885] [2020-12-22 09:36:48,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 09:36:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 09:36:48,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 40 conjunts are in the unsatisfiable core [2020-12-22 09:36:48,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 09:36:50,154 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-22 09:36:50,492 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-22 09:36:51,048 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2020-12-22 09:36:51,451 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-22 09:36:51,922 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-22 09:36:51,939 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-22 09:36:52,877 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 25 [2020-12-22 09:36:53,979 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-22 09:36:54,067 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:36:54,393 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:36:54,826 INFO L757 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:36:55,428 INFO L757 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:36:56,043 INFO L757 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:36:57,216 INFO L757 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:36:57,905 INFO L757 QuantifierPusher]: Run 70 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:36:58,284 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:36:58,500 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:36:58,759 INFO L757 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:36:59,291 INFO L757 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:37:00,302 INFO L757 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:37:01,154 INFO L757 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:37:01,783 INFO L757 QuantifierPusher]: Run 70 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:37:02,271 INFO L757 QuantifierPusher]: Run 80 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:37:02,601 INFO L757 QuantifierPusher]: Run 90 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-22 09:37:03,213 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 09:37:06,744 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (<= 0 c_~id3~0)) (.cse52 (<= c_~id3~0 127)) (.cse53 (= c_~send3~0 c_~id3~0))) (or (and .cse0 (exists ((|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481_505_529_553| Int) (|aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175_302_283_307_331_355| Int) (|aux_div_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_200_352_333_357_189| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175_302_283_307_331_355_379| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283_307_331_355_379| Int) (|aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1579| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283_307_331_355_379_403_212| Int) (|aux_div_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481_505_529_553_287| Int) (|aux_div_aux_mod_aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_200_188_352| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_200_352_333_357| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_154| Int) (|aux_div_aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_200_188| Int) (|aux_div_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380| Int) (|aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_200_352| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481_505| Int) (|aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_187| Int) (|aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259| Int) (|aux_div_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278| Int) (|aux_div_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150| Int) (|aux_div_v_ULTIMATE.start_node2_#t~ite9_10_49| Int) (|aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_200_352_333| Int) (|aux_div_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283_307_331_355_379_403| Int) (|aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_187_326_307_331_355_188_1862| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1579_191| Int) (|aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_187_326_307| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175_302_283_307_331_355_379_200| Int)) (let ((.cse21 (mod c_~send3~0 256))) (let ((.cse43 (* 255 |aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_187_326_307_331_355_188_1862|)) (.cse4 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481_505_529_553|)) (.cse17 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481_505_529_553_287|)) (.cse6 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175_302_283_307_331_355_379|)) (.cse13 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175_302_283_307_331_355_379_200|)) (.cse47 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283_307_331_355_379_403_212|)) (.cse51 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283_307_331_355_379_403|)) (.cse36 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175_302_283_307_331_355|)) (.cse15 (* 256 |aux_div_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278|)) (.cse32 (* 65280 |aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_187_326_307_331_355_188_1862|)) (.cse20 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481|)) (.cse30 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_200_352_333_357_189|)) (.cse31 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_200_352_333_357|)) (.cse39 (* 254 .cse21))) (let ((.cse24 (* 255 |aux_div_aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_200_188|)) (.cse22 (+ .cse30 .cse31 c_~p2_new~0 .cse39)) (.cse14 (+ .cse36 .cse15 .cse32 (* 256 |aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_187_326_307|) .cse20)) (.cse5 (* 255 |aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_187|)) (.cse37 (+ (* 256 |aux_div_v_ULTIMATE.start_node2_#t~ite9_10_49|) .cse21)) (.cse42 (+ .cse51 .cse32)) (.cse40 (* 256 c_~p2_new~0)) (.cse41 (* 65024 .cse21)) (.cse2 (+ .cse30 .cse31)) (.cse1 (* 256 |aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_200_352|)) (.cse49 (* 255 |aux_div_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163|)) (.cse48 (+ .cse47 .cse51 c_~p2_new~0)) (.cse46 (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481_505_529_553| |aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1579| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283_307_331_355_379_403_212| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283_307_331_355_379_403| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481_505_529_553_287| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175_302_283_307_331_355_379| |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1579_191| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_154|)) (.cse38 (* 256 |aux_div_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150|)) (.cse27 (* 256 |aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259|)) (.cse10 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_154|)) (.cse16 (+ .cse47 .cse51)) (.cse45 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283_307_331_355_379|)) (.cse3 (* 256 |aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_200_352_333|)) (.cse29 (* 255 |aux_div_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139|)) (.cse11 (* 255 c_~p2_new~0)) (.cse12 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283|)) (.cse7 (* 65025 .cse21)) (.cse18 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481_505|)) (.cse26 (+ .cse6 c_~p2_new~0 .cse13)) (.cse25 (* 255 |aux_div_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175|)) (.cse34 (+ .cse4 .cse17 c_~p2_new~0)) (.cse33 (* 255 |aux_div_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380|)) (.cse50 (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283_307_331_355_379_403_212| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283_307_331_355_379_403| .cse43)) (.cse44 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433|)) (.cse28 (+ .cse4 .cse17)) (.cse23 (* 255 |aux_div_aux_mod_aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_200_188_352|)) (.cse35 (+ .cse6 .cse13)) (.cse19 (* 255 |aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213|)) (.cse8 (* 256 |aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1579|)) (.cse9 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1579_191|))) (and (<= .cse1 .cse2) (< |aux_div_v_ULTIMATE.start_node2_#t~ite9_10_49| (+ |aux_div_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150| 1)) (<= .cse3 .cse2) (<= (+ .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 255) .cse14) (<= .cse15 .cse16) (<= 0 |aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213|) (<= 0 .cse17) (< (+ .cse18 .cse8 .cse9 c_~p2_new~0) (+ .cse19 .cse20 .cse21 510)) (< .cse22 (+ .cse23 .cse24 255)) (<= (+ .cse23 .cse24) .cse22) (<= (+ .cse25 .cse21 255) .cse26) (<= .cse27 .cse16) (< (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481_505_529_553| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481_505_529_553_287| |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1579_191|) (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481| 1)) (< .cse28 (+ .cse20 256)) (<= (+ .cse29 .cse30 .cse31 .cse11 .cse12 .cse7 255) (+ .cse27 .cse32 .cse1)) (<= 0 .cse10) (<= (+ .cse33 .cse21 255) .cse34) (< |aux_div_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380| 256) (< .cse35 (+ .cse36 256)) (< .cse37 (+ |aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_187| .cse38 257)) (< .cse16 (+ .cse12 256)) (<= .cse23 (+ |aux_div_aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_200_188| .cse39 127)) (< (+ |aux_div_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163| .cse38 1) .cse21) (< .cse2 (+ .cse3 256)) (<= (+ .cse6 .cse40 .cse12 .cse41 .cse13) .cse42) (< .cse43 (+ c_~p2_new~0 |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283| .cse39 1)) (< .cse28 (+ .cse44 256)) (<= (+ .cse40 .cse12 .cse41) .cse32) (< .cse14 (+ .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse44 .cse13 510)) (< .cse13 256) (< .cse16 (+ .cse45 256)) (<= .cse45 .cse16) (<= (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175_302_283_307_331_355| |aux_div_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278| |aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_187_326_307| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481|) .cse46) (< .cse9 256) (<= (+ |aux_div_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175| .cse38 1) .cse37) (< .cse42 (+ .cse6 .cse40 .cse12 .cse41 .cse13 256)) (< .cse2 (+ .cse1 256)) (<= 0 .cse47) (< (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175_302_283_307_331_355| |aux_div_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278| .cse43 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481|) (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481_505_529_553| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175_302_283_307_331_355_379| .cse39 |aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1579| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481_505_529_553_287| |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1579_191| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_154| c_~p2_new~0 |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175_302_283_307_331_355_379_200| 1)) (< .cse48 (+ .cse49 .cse21 510)) (<= .cse18 .cse28) (<= 0 .cse30) (<= (+ .cse49 .cse21 255) .cse48) (<= .cse20 .cse28) (< .cse17 256) (< .cse46 (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175_302_283_307_331_355| |aux_div_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278| |aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_187_326_307| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481| 1)) (< .cse16 (+ .cse15 256)) (< .cse21 (+ |aux_div_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139| .cse38 257)) (< (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481_505_529_553| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175_302_283_307_331_355_379| .cse39 |aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1579| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481_505_529_553_287| |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1579_191| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_154| c_~p2_new~0 |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175_302_283_307_331_355_379_200|) (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_175_302_283_307_331_355| |aux_div_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278| .cse43 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481| 1)) (<= 0 .cse9) (< .cse16 (+ .cse27 256)) (<= (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481_505_529_553| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481_505_529_553_287| c_~p2_new~0 |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283| .cse39) .cse50) (< .cse10 256) (< .cse30 256) (<= .cse12 .cse16) (< (+ .cse45 .cse3 .cse32) (+ .cse29 .cse30 .cse31 .cse11 .cse12 .cse7 510)) (<= 0 .cse13) (< .cse28 (+ .cse18 256)) (< .cse26 (+ .cse25 .cse21 510)) (< .cse34 (+ .cse33 .cse21 510)) (<= (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_200_352_333_357| c_~p2_new~0 |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283| .cse39) .cse50) (< .cse50 (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_200_352_333_357_189| |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_200_352_333_357| c_~p2_new~0 |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283| .cse39 1)) (<= .cse44 .cse28) (<= (+ |aux_div_aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_200_188| .cse39) .cse23) (<= .cse36 .cse35) (<= (+ .cse19 .cse20 .cse21 255) (+ .cse4 .cse8 .cse17 .cse9 c_~p2_new~0)) (< .cse47 256) (< (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283_307_331_355_379_403_212| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283_307_331_355_379_403| .cse43 |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1579_191|) (+ c_~p2_new~0 |aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_163_278_259_283| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_139_230_319_697_1039_1537_213_378_1380_428_409_433_457_481| .cse39 1))))))) .cse52 (<= 0 c_~p2_new~0) .cse53 (< c_~p2_new~0 256)) (and .cse0 (< c_~p2_new~0 0) .cse52 (exists ((|aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_193| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_217_400_379_403_427_451_475_499| Int) (|aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_193_352| Int) (|aux_div_aux_mod_aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_286_548| Int) (|aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_181_328_152| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673_697_721_371| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673_697_721| Int) (|aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_169_304| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_193_352_331_355_379_403| Int) (|aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_1868_507_264_1502| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_193_352_331_355_379_403_212| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_217_400_379_403_427_451_475_499_523_547_571_595_619_643_667_691_715_739_763_787_811_835_859_883_907_931_955| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_217_400_379_403_427_451_475_499_523_547_571_595_619_643| Int) (|aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_169_304_140| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_217_400_379_403_427_451_475_499_523_547_571_595_619_643_667_691_715_739_763_787_811_835_859_883_907_931_955_488| Int) (|aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_205_376_176| Int) (|aux_div_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_169| Int) (|aux_div_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150| Int) (|aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_205_376| Int) (|aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_205| Int) (|aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_181_328| Int) (|aux_div_aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_286| Int) (|aux_div_v_ULTIMATE.start_node2_#t~ite9_10_49| Int) (|aux_div_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133| Int) (|aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_217| Int) (|aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_181| Int)) (let ((.cse68 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_217_400_379_403_427_451_475_499_523_547_571_595_619_643_667_691_715_739_763_787_811_835_859_883_907_931_955_488|)) (.cse72 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_217_400_379_403_427_451_475_499_523_547_571_595_619_643_667_691_715_739_763_787_811_835_859_883_907_931_955|)) (.cse75 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_193_352_331_355_379_403_212|)) (.cse82 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_193_352_331_355_379_403|)) (.cse64 (* 255 |aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_1868_507_264_1502|)) (.cse74 (* 255 |aux_div_aux_mod_aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_286_548|)) (.cse62 (mod c_~send3~0 256)) (.cse84 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673_697_721_371|)) (.cse80 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673_697_721|))) (let ((.cse57 (+ .cse84 .cse80)) (.cse79 (* 65280 |aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_1868_507_264_1502|)) (.cse76 (* 255 |aux_div_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133|)) (.cse56 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673|)) (.cse77 (* 255 c_~p2_new~0)) (.cse78 (* 65025 .cse62)) (.cse69 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_217_400_379_403_427_451_475_499_523_547_571_595_619_643|)) (.cse81 (* 255 |aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_193|)) (.cse63 (* 255 |aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_205|)) (.cse60 (* 256 |aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_205_376_176|)) (.cse61 (* 256 |aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_205_376|)) (.cse85 (+ .cse74 (* 255 |aux_div_aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_286|))) (.cse67 (* 256 |aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_181_328|)) (.cse65 (* 255 |aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_181|)) (.cse71 (* 255 |aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_217|)) (.cse55 (* 254 .cse62)) (.cse54 (+ .cse64 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673_697_721_371| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673_697_721|)) (.cse59 (* 256 |aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_193_352|)) (.cse58 (+ .cse75 .cse82)) (.cse66 (* 256 |aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_181_328_152|)) (.cse73 (* 256 |aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_169_304_140|)) (.cse89 (* 256 |aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_169_304|)) (.cse88 (* 255 |aux_div_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_169|)) (.cse86 (* 256 |aux_div_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150|)) (.cse87 (+ (* 256 |aux_div_v_ULTIMATE.start_node2_#t~ite9_10_49|) .cse62)) (.cse70 (+ .cse68 .cse72)) (.cse83 (* 256 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_217_400_379_403_427_451_475_499|))) (and (< .cse54 (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673| c_~p2_new~0 .cse55 |aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_169_304_140| |aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_169_304| 2)) (<= .cse56 .cse57) (< .cse58 (+ .cse59 256)) (< |aux_div_v_ULTIMATE.start_node2_#t~ite9_10_49| (+ |aux_div_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150| 1)) (<= 0 .cse60) (< (+ .cse60 c_~p2_new~0 .cse61) (+ .cse62 .cse63 254)) (< .cse57 (+ .cse56 256)) (<= (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673| c_~p2_new~0 .cse55 |aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_169_304| 1) (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_217_400_379_403_427_451_475_499_523_547_571_595_619_643_667_691_715_739_763_787_811_835_859_883_907_931_955_488| .cse64 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673_697_721_371| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673_697_721|)) (<= (+ .cse65 .cse62) (+ c_~p2_new~0 .cse66 .cse67 1)) (< .cse68 256) (<= .cse69 .cse70) (< .cse54 (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_217_400_379_403_427_451_475_499_523_547_571_595_619_643_667_691_715_739_763_787_811_835_859_883_907_931_955_488| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673| c_~p2_new~0 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_217_400_379_403_427_451_475_499_523_547_571_595_619_643_667_691_715_739_763_787_811_835_859_883_907_931_955| .cse55 2)) (< |aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_217| 256) (< .cse70 (+ .cse69 256)) (<= 0 .cse68) (<= (+ .cse71 .cse62) (+ .cse68 c_~p2_new~0 .cse72 1)) (<= 0 .cse73) (< .cse74 (+ .cse55 |aux_div_aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_286| 256)) (< .cse54 (+ |aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_205_376_176| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673| c_~p2_new~0 |aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_205_376| .cse55 2)) (<= 0 .cse75) (<= (+ .cse76 .cse56 .cse77 .cse75 .cse78 255) (+ .cse79 .cse80)) (< .cse60 256) (< (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673| c_~p2_new~0 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_193_352_331_355_379_403_212| .cse55 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_193_352_331_355_379_403|) .cse54) (<= (+ .cse81 .cse62) (+ c_~p2_new~0 .cse75 .cse82 1)) (< .cse75 256) (< .cse54 (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673| c_~p2_new~0 |aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_181_328_152| |aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_181_328| .cse55 2)) (< (+ .cse79 .cse83 .cse59 .cse84 .cse80) (+ .cse76 .cse56 .cse77 .cse75 .cse78 .cse69 .cse82 510)) (< (+ c_~p2_new~0 .cse75 .cse82) (+ .cse81 .cse62 254)) (< (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_217_400_379_403_427_451_475_499_523_547_571_595_619_643_667_691_715_739_763_787_811_835_859_883_907_931_955_488| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673| c_~p2_new~0 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_217_400_379_403_427_451_475_499_523_547_571_595_619_643_667_691_715_739_763_787_811_835_859_883_907_931_955| .cse55) .cse54) (<= .cse85 (+ c_~p2_new~0 .cse84 .cse80 .cse55 256)) (< (+ .cse55 |aux_div_aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_286| 127) .cse74) (< .cse73 256) (< .cse62 (+ .cse86 |aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_205| 257)) (<= (+ .cse62 .cse63) (+ .cse60 c_~p2_new~0 .cse61 1)) (< (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673| c_~p2_new~0 |aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_181_328| .cse55) .cse54) (< .cse54 (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673| c_~p2_new~0 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_193_352_331_355_379_403_212| .cse55 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_193_352_331_355_379_403| 2)) (<= .cse83 .cse70) (< .cse84 256) (< .cse87 (+ |aux_div_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133| .cse86 257)) (<= (+ .cse88 .cse62) (+ c_~p2_new~0 .cse73 .cse89 1)) (< (+ c_~p2_new~0 .cse84 .cse80 .cse55 1) .cse85) (< (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673| c_~p2_new~0 .cse55) .cse64) (< (+ c_~p2_new~0 .cse66 .cse67) (+ .cse65 .cse62 254)) (< (+ .cse68 c_~p2_new~0 .cse72) (+ .cse71 .cse62 254)) (<= 0 |aux_div_aux_div_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_169|) (<= 0 .cse66) (< .cse64 (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673| c_~p2_new~0 .cse55 2)) (< (+ |aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_193| .cse86 1) .cse62) (< (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_307_1104_1897_383_407_431_1738_292_550_529_553_577_601_625_649_673| c_~p2_new~0 |aux_div_aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_259_578_205_376| .cse55) .cse54) (<= .cse59 .cse58) (< .cse66 256) (< (+ c_~p2_new~0 .cse73 .cse89) (+ .cse88 .cse62 254)) (<= (+ |aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_div_aux_mod_aux_mod_v_ULTIMATE.start_node2_#t~ite9_10_49_150_103_133_232_211_235_181| .cse86 1) .cse87) (<= 0 .cse84) (< .cse70 (+ .cse83 256)))))) .cse53 (<= 0 (+ c_~p2_new~0 256))))) is different from false