/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:37:35,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:37:35,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:37:36,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:37:36,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:37:36,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:37:36,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:37:36,124 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-23 18:37:36,154 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:37:36,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:37:36,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:37:36,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:37:36,157 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:37:36,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:37:36,157 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:37:36,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:37:36,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:37:36,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:37:36,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:37:36,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:37:36,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:37:36,159 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:37:36,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:37:36,159 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:37:36,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:37:36,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:37:36,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:37:36,160 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:37:36,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:37:36,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:37:36,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:37:36,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:37:36,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:37:36,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:37:36,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:37:36,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:37:36,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:37:36,163 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:37:36,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:37:36,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:37:36,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:37:36,656 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:37:36,657 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:37:36,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-10-23 18:37:36,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e45121149/6e336bd708ef401f8cad1a105be7ebed/FLAG73868f204 [2020-10-23 18:37:37,641 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:37:37,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-10-23 18:37:37,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e45121149/6e336bd708ef401f8cad1a105be7ebed/FLAG73868f204 [2020-10-23 18:37:37,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e45121149/6e336bd708ef401f8cad1a105be7ebed [2020-10-23 18:37:37,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:37:37,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:37:37,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:37:37,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:37:37,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:37:37,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:37:37" (1/1) ... [2020-10-23 18:37:37,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0d6451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:37, skipping insertion in model container [2020-10-23 18:37:37,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:37:37" (1/1) ... [2020-10-23 18:37:37,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:37:37,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:37:38,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:37:38,411 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:37:38,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:37:38,734 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:37:38,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:38 WrapperNode [2020-10-23 18:37:38,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:37:38,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:37:38,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:37:38,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:37:38,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:38" (1/1) ... [2020-10-23 18:37:38,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:38" (1/1) ... [2020-10-23 18:37:38,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:38" (1/1) ... [2020-10-23 18:37:38,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:38" (1/1) ... [2020-10-23 18:37:38,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:38" (1/1) ... [2020-10-23 18:37:38,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:38" (1/1) ... [2020-10-23 18:37:38,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:38" (1/1) ... [2020-10-23 18:37:38,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:37:38,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:37:38,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:37:38,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:37:38,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:38" (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 [2020-10-23 18:37:38,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:37:38,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:37:38,980 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:37:38,981 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:37:38,981 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:37:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:37:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:37:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:37:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:37:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:37:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:37:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:37:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:37:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:37:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:37:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:37:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:37:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:37:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:37:40,643 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:37:40,644 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:37:40,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:37:40 BoogieIcfgContainer [2020-10-23 18:37:40,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:37:40,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:37:40,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:37:40,653 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:37:40,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:37:37" (1/3) ... [2020-10-23 18:37:40,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4986f0a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:37:40, skipping insertion in model container [2020-10-23 18:37:40,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:37:38" (2/3) ... [2020-10-23 18:37:40,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4986f0a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:37:40, skipping insertion in model container [2020-10-23 18:37:40,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:37:40" (3/3) ... [2020-10-23 18:37:40,657 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c [2020-10-23 18:37:40,669 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:37:40,676 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:37:40,692 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:37:40,727 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:37:40,727 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:37:40,728 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:37:40,728 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:37:40,728 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:37:40,728 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:37:40,728 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:37:40,728 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:37:40,756 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-23 18:37:40,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-23 18:37:40,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:40,767 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] [2020-10-23 18:37:40,768 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:40,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:40,776 INFO L82 PathProgramCache]: Analyzing trace with hash 647699858, now seen corresponding path program 1 times [2020-10-23 18:37:40,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:40,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49483263] [2020-10-23 18:37:40,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:41,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:41,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:41,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49483263] [2020-10-23 18:37:41,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:37:41,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 18:37:41,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941296798] [2020-10-23 18:37:41,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:37:41,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:41,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:37:41,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:37:41,366 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-23 18:37:43,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:43,587 INFO L93 Difference]: Finished difference Result 601 states and 1027 transitions. [2020-10-23 18:37:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 18:37:43,589 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2020-10-23 18:37:43,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:43,622 INFO L225 Difference]: With dead ends: 601 [2020-10-23 18:37:43,622 INFO L226 Difference]: Without dead ends: 303 [2020-10-23 18:37:43,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:37:43,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-23 18:37:43,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-23 18:37:43,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-23 18:37:43,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 431 transitions. [2020-10-23 18:37:43,788 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 431 transitions. Word has length 45 [2020-10-23 18:37:43,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:43,789 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 431 transitions. [2020-10-23 18:37:43,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:37:43,789 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 431 transitions. [2020-10-23 18:37:43,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-23 18:37:43,799 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:43,800 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:37:43,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:37:43,801 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:43,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:43,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1927318583, now seen corresponding path program 1 times [2020-10-23 18:37:43,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:43,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205049337] [2020-10-23 18:37:43,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:44,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:44,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:37:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:44,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205049337] [2020-10-23 18:37:44,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:37:44,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:37:44,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874062292] [2020-10-23 18:37:44,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:37:44,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:44,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:37:44,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:37:44,226 INFO L87 Difference]: Start difference. First operand 299 states and 431 transitions. Second operand 7 states. [2020-10-23 18:37:46,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:46,220 INFO L93 Difference]: Finished difference Result 910 states and 1353 transitions. [2020-10-23 18:37:46,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 18:37:46,222 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 119 [2020-10-23 18:37:46,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:46,229 INFO L225 Difference]: With dead ends: 910 [2020-10-23 18:37:46,229 INFO L226 Difference]: Without dead ends: 617 [2020-10-23 18:37:46,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:37:46,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2020-10-23 18:37:46,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 597. [2020-10-23 18:37:46,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-23 18:37:46,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 783 transitions. [2020-10-23 18:37:46,283 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 783 transitions. Word has length 119 [2020-10-23 18:37:46,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:46,284 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 783 transitions. [2020-10-23 18:37:46,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:37:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 783 transitions. [2020-10-23 18:37:46,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-23 18:37:46,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:46,288 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:37:46,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:37:46,289 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:46,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:46,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1757689485, now seen corresponding path program 1 times [2020-10-23 18:37:46,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:46,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101814577] [2020-10-23 18:37:46,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:46,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:46,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:37:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:46,816 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:46,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101814577] [2020-10-23 18:37:46,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550518203] [2020-10-23 18:37:46,824 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 [2020-10-23 18:37:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:46,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-23 18:37:46,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:37:47,105 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 18:37:47,232 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-23 18:37:47,263 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-23 18:37:47,506 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 18:37:47,606 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:47,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:37:47,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2020-10-23 18:37:47,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164683303] [2020-10-23 18:37:47,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-23 18:37:47,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:47,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-23 18:37:47,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:37:47,610 INFO L87 Difference]: Start difference. First operand 597 states and 783 transitions. Second operand 12 states. [2020-10-23 18:37:49,795 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-10-23 18:37:53,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:53,794 INFO L93 Difference]: Finished difference Result 1984 states and 2740 transitions. [2020-10-23 18:37:53,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-23 18:37:53,796 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 124 [2020-10-23 18:37:53,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:53,810 INFO L225 Difference]: With dead ends: 1984 [2020-10-23 18:37:53,811 INFO L226 Difference]: Without dead ends: 1366 [2020-10-23 18:37:53,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=139, Invalid=367, Unknown=0, NotChecked=0, Total=506 [2020-10-23 18:37:53,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2020-10-23 18:37:53,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1338. [2020-10-23 18:37:53,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1338 states. [2020-10-23 18:37:53,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1750 transitions. [2020-10-23 18:37:53,948 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1750 transitions. Word has length 124 [2020-10-23 18:37:53,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:53,949 INFO L481 AbstractCegarLoop]: Abstraction has 1338 states and 1750 transitions. [2020-10-23 18:37:53,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-23 18:37:53,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1750 transitions. [2020-10-23 18:37:53,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-23 18:37:53,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:53,955 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:37:54,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-23 18:37:54,170 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:54,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:54,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1586199379, now seen corresponding path program 1 times [2020-10-23 18:37:54,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:54,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956060451] [2020-10-23 18:37:54,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:54,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:54,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:37:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:54,585 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:54,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956060451] [2020-10-23 18:37:54,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:37:54,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:37:54,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211946993] [2020-10-23 18:37:54,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:37:54,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:54,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:37:54,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:37:54,589 INFO L87 Difference]: Start difference. First operand 1338 states and 1750 transitions. Second operand 8 states. [2020-10-23 18:37:57,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:37:57,188 INFO L93 Difference]: Finished difference Result 3463 states and 4879 transitions. [2020-10-23 18:37:57,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:37:57,189 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2020-10-23 18:37:57,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:37:57,211 INFO L225 Difference]: With dead ends: 3463 [2020-10-23 18:37:57,212 INFO L226 Difference]: Without dead ends: 2274 [2020-10-23 18:37:57,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-23 18:37:57,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2020-10-23 18:37:57,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 1936. [2020-10-23 18:37:57,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1936 states. [2020-10-23 18:37:57,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 2570 transitions. [2020-10-23 18:37:57,349 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 2570 transitions. Word has length 140 [2020-10-23 18:37:57,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:37:57,351 INFO L481 AbstractCegarLoop]: Abstraction has 1936 states and 2570 transitions. [2020-10-23 18:37:57,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:37:57,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2570 transitions. [2020-10-23 18:37:57,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-23 18:37:57,358 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:37:57,359 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:37:57,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 18:37:57,359 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:37:57,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:37:57,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1739239261, now seen corresponding path program 1 times [2020-10-23 18:37:57,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:37:57,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986830264] [2020-10-23 18:37:57,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:37:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:57,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:37:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:57,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:37:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:37:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:37:57,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986830264] [2020-10-23 18:37:57,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:37:57,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:37:57,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828932749] [2020-10-23 18:37:57,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:37:57,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:37:57,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:37:57,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:37:57,896 INFO L87 Difference]: Start difference. First operand 1936 states and 2570 transitions. Second operand 8 states. [2020-10-23 18:37:58,573 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-10-23 18:37:59,920 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2020-10-23 18:38:03,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:03,053 INFO L93 Difference]: Finished difference Result 4244 states and 5585 transitions. [2020-10-23 18:38:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 18:38:03,054 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2020-10-23 18:38:03,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:03,076 INFO L225 Difference]: With dead ends: 4244 [2020-10-23 18:38:03,077 INFO L226 Difference]: Without dead ends: 2314 [2020-10-23 18:38:03,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:38:03,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2020-10-23 18:38:03,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 2232. [2020-10-23 18:38:03,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2232 states. [2020-10-23 18:38:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2232 states to 2232 states and 2887 transitions. [2020-10-23 18:38:03,186 INFO L78 Accepts]: Start accepts. Automaton has 2232 states and 2887 transitions. Word has length 141 [2020-10-23 18:38:03,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:03,187 INFO L481 AbstractCegarLoop]: Abstraction has 2232 states and 2887 transitions. [2020-10-23 18:38:03,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:38:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2232 states and 2887 transitions. [2020-10-23 18:38:03,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-23 18:38:03,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:03,196 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:03,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 18:38:03,198 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:03,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:03,200 INFO L82 PathProgramCache]: Analyzing trace with hash 148963777, now seen corresponding path program 1 times [2020-10-23 18:38:03,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:03,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908326274] [2020-10-23 18:38:03,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:03,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:03,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:03,601 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 18:38:03,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908326274] [2020-10-23 18:38:03,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215193535] [2020-10-23 18:38:03,602 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 [2020-10-23 18:38:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:03,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:03,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:03,845 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:03,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:03,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-10-23 18:38:03,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242811297] [2020-10-23 18:38:03,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:38:03,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:03,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:38:03,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:38:03,856 INFO L87 Difference]: Start difference. First operand 2232 states and 2887 transitions. Second operand 3 states. [2020-10-23 18:38:04,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:04,920 INFO L93 Difference]: Finished difference Result 2970 states and 3929 transitions. [2020-10-23 18:38:04,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:38:04,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2020-10-23 18:38:04,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:04,943 INFO L225 Difference]: With dead ends: 2970 [2020-10-23 18:38:04,943 INFO L226 Difference]: Without dead ends: 2967 [2020-10-23 18:38:04,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:38:04,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2967 states. [2020-10-23 18:38:05,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2967 to 2528. [2020-10-23 18:38:05,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2528 states. [2020-10-23 18:38:05,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 2528 states and 3338 transitions. [2020-10-23 18:38:05,080 INFO L78 Accepts]: Start accepts. Automaton has 2528 states and 3338 transitions. Word has length 182 [2020-10-23 18:38:05,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:05,081 INFO L481 AbstractCegarLoop]: Abstraction has 2528 states and 3338 transitions. [2020-10-23 18:38:05,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:38:05,081 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 3338 transitions. [2020-10-23 18:38:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-23 18:38:05,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:05,086 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-10-23 18:38:05,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:05,302 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:05,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:05,303 INFO L82 PathProgramCache]: Analyzing trace with hash 578157520, now seen corresponding path program 1 times [2020-10-23 18:38:05,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:05,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705776013] [2020-10-23 18:38:05,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:05,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:05,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:05,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-23 18:38:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:05,601 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 141 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:38:05,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705776013] [2020-10-23 18:38:05,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55444611] [2020-10-23 18:38:05,602 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 [2020-10-23 18:38:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:05,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:05,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:05,927 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:05,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:38:05,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-10-23 18:38:05,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188382215] [2020-10-23 18:38:05,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:38:05,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:05,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:38:05,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:38:05,932 INFO L87 Difference]: Start difference. First operand 2528 states and 3338 transitions. Second operand 10 states. [2020-10-23 18:38:10,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:10,700 INFO L93 Difference]: Finished difference Result 6834 states and 9477 transitions. [2020-10-23 18:38:10,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-23 18:38:10,701 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 194 [2020-10-23 18:38:10,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:10,734 INFO L225 Difference]: With dead ends: 6834 [2020-10-23 18:38:10,735 INFO L226 Difference]: Without dead ends: 4455 [2020-10-23 18:38:10,746 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2020-10-23 18:38:10,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4455 states. [2020-10-23 18:38:10,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4455 to 3708. [2020-10-23 18:38:10,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3708 states. [2020-10-23 18:38:10,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3708 states to 3708 states and 4728 transitions. [2020-10-23 18:38:10,939 INFO L78 Accepts]: Start accepts. Automaton has 3708 states and 4728 transitions. Word has length 194 [2020-10-23 18:38:10,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:10,939 INFO L481 AbstractCegarLoop]: Abstraction has 3708 states and 4728 transitions. [2020-10-23 18:38:10,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:38:10,940 INFO L276 IsEmpty]: Start isEmpty. Operand 3708 states and 4728 transitions. [2020-10-23 18:38:10,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-10-23 18:38:10,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:10,947 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:11,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:11,161 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:11,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:11,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1024525642, now seen corresponding path program 1 times [2020-10-23 18:38:11,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:11,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875900606] [2020-10-23 18:38:11,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:11,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:11,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:11,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-23 18:38:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:38:11,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875900606] [2020-10-23 18:38:11,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032591790] [2020-10-23 18:38:11,662 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 [2020-10-23 18:38:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:11,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:11,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:12,033 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 154 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:12,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:38:12,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-10-23 18:38:12,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758663795] [2020-10-23 18:38:12,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:38:12,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:12,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:38:12,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:38:12,037 INFO L87 Difference]: Start difference. First operand 3708 states and 4728 transitions. Second operand 10 states. [2020-10-23 18:38:15,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:15,419 INFO L93 Difference]: Finished difference Result 7285 states and 9354 transitions. [2020-10-23 18:38:15,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-23 18:38:15,420 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 242 [2020-10-23 18:38:15,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:15,440 INFO L225 Difference]: With dead ends: 7285 [2020-10-23 18:38:15,440 INFO L226 Difference]: Without dead ends: 3726 [2020-10-23 18:38:15,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-10-23 18:38:15,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3726 states. [2020-10-23 18:38:15,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3726 to 3420. [2020-10-23 18:38:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3420 states. [2020-10-23 18:38:15,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3420 states to 3420 states and 3905 transitions. [2020-10-23 18:38:15,574 INFO L78 Accepts]: Start accepts. Automaton has 3420 states and 3905 transitions. Word has length 242 [2020-10-23 18:38:15,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:15,575 INFO L481 AbstractCegarLoop]: Abstraction has 3420 states and 3905 transitions. [2020-10-23 18:38:15,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:38:15,575 INFO L276 IsEmpty]: Start isEmpty. Operand 3420 states and 3905 transitions. [2020-10-23 18:38:15,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-10-23 18:38:15,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:15,584 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-23 18:38:15,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:15,798 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:15,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:15,799 INFO L82 PathProgramCache]: Analyzing trace with hash 32987827, now seen corresponding path program 1 times [2020-10-23 18:38:15,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:15,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586823080] [2020-10-23 18:38:15,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:16,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:16,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:16,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-23 18:38:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:16,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-23 18:38:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 69 proven. 60 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2020-10-23 18:38:16,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586823080] [2020-10-23 18:38:16,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618768133] [2020-10-23 18:38:16,683 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 [2020-10-23 18:38:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:16,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-23 18:38:16,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:16,942 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 18:38:16,946 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-23 18:38:16,965 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-23 18:38:17,778 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 19 proven. 113 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2020-10-23 18:38:17,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:38:17,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6] total 16 [2020-10-23 18:38:17,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332100234] [2020-10-23 18:38:17,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-23 18:38:17,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:17,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-23 18:38:17,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2020-10-23 18:38:17,781 INFO L87 Difference]: Start difference. First operand 3420 states and 3905 transitions. Second operand 16 states. [2020-10-23 18:38:17,981 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2020-10-23 18:38:18,735 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2020-10-23 18:38:19,363 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2020-10-23 18:38:23,496 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2020-10-23 18:38:25,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:25,789 INFO L93 Difference]: Finished difference Result 8526 states and 10046 transitions. [2020-10-23 18:38:25,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-23 18:38:25,790 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 280 [2020-10-23 18:38:25,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:25,816 INFO L225 Difference]: With dead ends: 8526 [2020-10-23 18:38:25,817 INFO L226 Difference]: Without dead ends: 5255 [2020-10-23 18:38:25,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=259, Invalid=671, Unknown=0, NotChecked=0, Total=930 [2020-10-23 18:38:25,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5255 states. [2020-10-23 18:38:25,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5255 to 3865. [2020-10-23 18:38:25,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3865 states. [2020-10-23 18:38:25,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 3865 states and 4472 transitions. [2020-10-23 18:38:25,991 INFO L78 Accepts]: Start accepts. Automaton has 3865 states and 4472 transitions. Word has length 280 [2020-10-23 18:38:25,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:25,992 INFO L481 AbstractCegarLoop]: Abstraction has 3865 states and 4472 transitions. [2020-10-23 18:38:25,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-23 18:38:25,992 INFO L276 IsEmpty]: Start isEmpty. Operand 3865 states and 4472 transitions. [2020-10-23 18:38:26,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-10-23 18:38:26,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:26,007 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-23 18:38:26,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:26,222 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:26,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:26,223 INFO L82 PathProgramCache]: Analyzing trace with hash -440169957, now seen corresponding path program 1 times [2020-10-23 18:38:26,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:26,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400717539] [2020-10-23 18:38:26,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:26,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:26,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:26,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-23 18:38:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:26,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-23 18:38:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:26,665 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 114 proven. 3 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2020-10-23 18:38:26,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400717539] [2020-10-23 18:38:26,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392254708] [2020-10-23 18:38:26,667 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 [2020-10-23 18:38:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:26,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:26,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:26,978 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2020-10-23 18:38:26,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:26,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-10-23 18:38:26,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601375230] [2020-10-23 18:38:26,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:38:26,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:26,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:38:26,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:38:26,984 INFO L87 Difference]: Start difference. First operand 3865 states and 4472 transitions. Second operand 3 states. [2020-10-23 18:38:28,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:28,191 INFO L93 Difference]: Finished difference Result 8150 states and 9481 transitions. [2020-10-23 18:38:28,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:38:28,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 338 [2020-10-23 18:38:28,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:28,194 INFO L225 Difference]: With dead ends: 8150 [2020-10-23 18:38:28,194 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:38:28,214 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:38:28,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:38:28,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:38:28,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:38:28,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:38:28,215 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 338 [2020-10-23 18:38:28,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:28,215 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:38:28,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:38:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:38:28,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:38:28,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:28,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:38:28,820 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 188 [2020-10-23 18:38:29,734 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 188 [2020-10-23 18:38:30,934 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2020-10-23 18:38:31,090 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 33 [2020-10-23 18:38:31,845 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 61 [2020-10-23 18:38:34,338 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 269 DAG size of output: 74 [2020-10-23 18:38:35,120 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 61 [2020-10-23 18:38:35,127 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:38:35,127 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:38:35,127 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:38:35,127 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:38:35,128 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:38:35,128 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-23 18:38:35,128 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:38:35,128 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-23 18:38:35,128 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-23 18:38:35,128 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-23 18:38:35,128 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-23 18:38:35,128 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-23 18:38:35,128 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-23 18:38:35,129 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-23 18:38:35,129 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-23 18:38:35,129 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-23 18:38:35,129 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-23 18:38:35,129 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-23 18:38:35,129 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-23 18:38:35,129 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-23 18:38:35,129 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,130 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,130 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,130 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,130 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,130 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,130 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-23 18:38:35,130 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-23 18:38:35,130 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-23 18:38:35,131 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-23 18:38:35,131 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-23 18:38:35,131 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-23 18:38:35,131 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-23 18:38:35,131 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-23 18:38:35,131 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-23 18:38:35,131 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-23 18:38:35,131 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-23 18:38:35,131 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,132 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,132 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,132 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,132 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,132 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-23 18:38:35,132 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-23 18:38:35,132 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-23 18:38:35,132 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-23 18:38:35,132 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-23 18:38:35,133 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-23 18:38:35,133 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-23 18:38:35,133 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-23 18:38:35,133 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-23 18:38:35,133 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-23 18:38:35,133 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-23 18:38:35,133 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-23 18:38:35,133 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-23 18:38:35,133 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-23 18:38:35,134 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,134 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,134 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,134 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,134 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,134 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-23 18:38:35,134 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-23 18:38:35,134 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-23 18:38:35,134 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-23 18:38:35,135 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-23 18:38:35,135 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-23 18:38:35,135 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-23 18:38:35,135 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-23 18:38:35,135 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-23 18:38:35,135 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-23 18:38:35,135 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,135 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,135 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,135 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,136 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,136 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-23 18:38:35,136 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-23 18:38:35,136 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-23 18:38:35,136 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-23 18:38:35,136 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-23 18:38:35,136 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-23 18:38:35,136 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-23 18:38:35,136 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-23 18:38:35,137 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-23 18:38:35,137 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-23 18:38:35,137 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-23 18:38:35,137 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-23 18:38:35,137 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-23 18:38:35,137 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,137 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,137 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,137 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,138 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,138 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-23 18:38:35,138 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-23 18:38:35,138 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-23 18:38:35,138 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-23 18:38:35,138 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-23 18:38:35,138 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,138 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,139 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-23 18:38:35,139 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-23 18:38:35,139 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-23 18:38:35,139 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-23 18:38:35,139 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,139 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,139 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,139 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,140 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,140 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-23 18:38:35,140 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-23 18:38:35,140 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-23 18:38:35,140 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-23 18:38:35,140 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-23 18:38:35,140 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-23 18:38:35,141 INFO L270 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (let ((.cse4 (not (<= |old(~a19~0)| 7))) (.cse0 (not (= |old(~a10~0)| 1))) (.cse5 (not (<= 9 |old(~a19~0)|))) (.cse1 (not (= 14 ~a4~0))) (.cse6 (not (= 0 |old(~a10~0)|))) (.cse3 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 (forall ((aux_div_aux_mod_v_~a1~0_347_19_30 Int) (v_prenex_2 Int)) (let ((.cse2 (* 5 aux_div_aux_mod_v_~a1~0_347_19_30))) (or (not (< .cse2 5)) (not (< 0 (+ .cse2 (* 5 v_prenex_2) 13))) (not (<= (+ v_prenex_2 331501) |old(~a1~0)|)) (not (<= 0 .cse2))))) .cse3) (or (not (<= 2 |old(~a10~0)|)) (not (<= |old(~a19~0)| 9)) .cse1 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse5 .cse0 .cse1 .cse3) (or .cse4 .cse1 .cse6 .cse3) (or .cse0 (not (<= |old(~a1~0)| 23)) .cse1 .cse3) (or .cse5 .cse1 .cse6 .cse3) (or (not (<= 23 |old(~a1~0)|)) .cse1 .cse6 .cse3))) [2020-10-23 18:38:35,141 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-23 18:38:35,143 INFO L274 CegarLoopResult]: For program point L120-1(line 120) no Hoare annotation was computed. [2020-10-23 18:38:35,143 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-23 18:38:35,143 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-23 18:38:35,143 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-23 18:38:35,144 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-23 18:38:35,144 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-23 18:38:35,144 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,144 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,144 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,144 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,144 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-23 18:38:35,144 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,145 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,145 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-23 18:38:35,145 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-23 18:38:35,145 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-23 18:38:35,145 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-23 18:38:35,145 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-23 18:38:35,145 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-23 18:38:35,145 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-23 18:38:35,145 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-23 18:38:35,146 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-23 18:38:35,146 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-23 18:38:35,146 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-23 18:38:35,146 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-23 18:38:35,146 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-23 18:38:35,146 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,146 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,146 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,147 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,147 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,147 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,147 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-23 18:38:35,148 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse8 (not (<= |old(~a19~0)| 7))) (.cse0 (not (= |old(~a10~0)| 1))) (.cse5 (not (<= |old(~a19~0)| 9))) (.cse4 (not (<= 9 |old(~a19~0)|))) (.cse1 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse2 (not (= 14 ~a4~0))) (.cse7 (not (= 0 |old(~a10~0)|))) (.cse3 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 (not (<= |old(~a1~0)| 23)) .cse2 .cse3) (or .cse4 .cse1 .cse0 .cse2 .cse3) (or .cse0 .cse1 .cse5 .cse2 (forall ((aux_div_aux_mod_v_~a1~0_347_19_30 Int) (v_prenex_2 Int)) (let ((.cse6 (* 5 aux_div_aux_mod_v_~a1~0_347_19_30))) (or (not (< .cse6 5)) (not (< 0 (+ .cse6 (* 5 v_prenex_2) 13))) (not (<= (+ v_prenex_2 331501) |old(~a1~0)|)) (not (<= 0 .cse6))))) .cse3) (or (not (<= 23 |old(~a1~0)|)) .cse1 .cse2 .cse7 .cse3) (or .cse8 .cse1 .cse2 .cse7 .cse3) (or .cse1 (not (<= 2 |old(~a10~0)|)) .cse5 .cse2 .cse3) (or .cse8 .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse7 .cse3))) [2020-10-23 18:38:35,148 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-23 18:38:35,148 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-23 18:38:35,148 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-23 18:38:35,148 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-23 18:38:35,148 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-23 18:38:35,148 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-23 18:38:35,148 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-23 18:38:35,149 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-23 18:38:35,149 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-23 18:38:35,149 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-23 18:38:35,149 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-23 18:38:35,149 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-23 18:38:35,149 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-23 18:38:35,149 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,149 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,149 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,150 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,150 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,150 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,150 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-23 18:38:35,150 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-23 18:38:35,150 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-23 18:38:35,150 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-23 18:38:35,150 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-23 18:38:35,151 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-23 18:38:35,151 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-23 18:38:35,151 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-23 18:38:35,151 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-23 18:38:35,151 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-23 18:38:35,151 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-23 18:38:35,151 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-23 18:38:35,151 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-23 18:38:35,151 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,152 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,152 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,152 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,152 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,152 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,152 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-23 18:38:35,152 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-23 18:38:35,152 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-23 18:38:35,152 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-23 18:38:35,153 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-23 18:38:35,153 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-23 18:38:35,153 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-23 18:38:35,153 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-23 18:38:35,153 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-23 18:38:35,153 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-23 18:38:35,153 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-23 18:38:35,153 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-23 18:38:35,154 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,154 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,154 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,154 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,154 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,154 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-23 18:38:35,154 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:38:35,154 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (= 14 ~a4~0) (<= 9 ~a19~0) (= ~a10~0 0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-10-23 18:38:35,155 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:38:35,155 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:38:35,155 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (not (= 0 |old(~a10~0)|)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-10-23 18:38:35,155 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-23 18:38:35,155 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 7)) (.cse2 (= ~a10~0 0)) (.cse3 (<= 9 ~a19~0)) (.cse0 (= ~a10~0 1))) (or (and (<= ~a19~0 9) (<= 2 ~a10~0)) (not (= 0 |old(~a10~0)|)) (and .cse0 .cse1) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse0 (<= ~a1~0 23)) (and .cse1 .cse2) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) .cse2) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse3 .cse2) (and .cse0 .cse3) (and .cse0 (exists ((aux_div_aux_mod_v_~a1~0_347_19_30 Int) (v_prenex_2 Int)) (let ((.cse4 (* 5 aux_div_aux_mod_v_~a1~0_347_19_30))) (and (<= (+ v_prenex_2 331501) ~a1~0) (< 0 (+ .cse4 (* 5 v_prenex_2) 13)) (< .cse4 5) (<= 0 .cse4))))))) [2020-10-23 18:38:35,156 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-23 18:38:35,156 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-23 18:38:35,156 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 7)) (.cse2 (= ~a10~0 0)) (.cse3 (<= 9 ~a19~0)) (.cse0 (= ~a10~0 1))) (or (and (<= ~a19~0 9) (<= 2 ~a10~0)) (not (= 0 |old(~a10~0)|)) (and .cse0 .cse1) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse0 (<= ~a1~0 23)) (and .cse1 .cse2) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) .cse2) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse3 .cse2) (and .cse0 .cse3) (and .cse0 (exists ((aux_div_aux_mod_v_~a1~0_347_19_30 Int) (v_prenex_2 Int)) (let ((.cse4 (* 5 aux_div_aux_mod_v_~a1~0_347_19_30))) (and (<= (+ v_prenex_2 331501) ~a1~0) (< 0 (+ .cse4 (* 5 v_prenex_2) 13)) (< .cse4 5) (<= 0 .cse4))))))) [2020-10-23 18:38:35,156 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-23 18:38:35,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-10-23 18:38:35,184 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:35,184 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-10-23 18:38:35,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:35,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:35,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-10-23 18:38:35,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:35,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-10-23 18:38:35,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:35,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:35,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:38:35 BoogieIcfgContainer [2020-10-23 18:38:35,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:38:35,222 INFO L168 Benchmark]: Toolchain (without parser) took 57398.22 ms. Allocated memory was 152.0 MB in the beginning and 610.3 MB in the end (delta: 458.2 MB). Free memory was 127.1 MB in the beginning and 369.6 MB in the end (delta: -242.5 MB). Peak memory consumption was 365.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:35,222 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 152.0 MB. Free memory is still 126.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:38:35,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 901.98 ms. Allocated memory is still 152.0 MB. Free memory was 126.4 MB in the beginning and 129.8 MB in the end (delta: -3.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:35,229 INFO L168 Benchmark]: Boogie Preprocessor took 134.66 ms. Allocated memory is still 152.0 MB. Free memory was 129.8 MB in the beginning and 125.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:35,230 INFO L168 Benchmark]: RCFGBuilder took 1771.89 ms. Allocated memory is still 152.0 MB. Free memory was 125.6 MB in the beginning and 106.8 MB in the end (delta: 18.7 MB). Peak memory consumption was 80.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:35,231 INFO L168 Benchmark]: TraceAbstraction took 54571.59 ms. Allocated memory was 152.0 MB in the beginning and 610.3 MB in the end (delta: 458.2 MB). Free memory was 106.3 MB in the beginning and 369.6 MB in the end (delta: -263.3 MB). Peak memory consumption was 343.3 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:35,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 152.0 MB. Free memory is still 126.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 901.98 ms. Allocated memory is still 152.0 MB. Free memory was 126.4 MB in the beginning and 129.8 MB in the end (delta: -3.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 134.66 ms. Allocated memory is still 152.0 MB. Free memory was 129.8 MB in the beginning and 125.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1771.89 ms. Allocated memory is still 152.0 MB. Free memory was 125.6 MB in the beginning and 106.8 MB in the end (delta: 18.7 MB). Peak memory consumption was 80.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 54571.59 ms. Allocated memory was 152.0 MB in the beginning and 610.3 MB in the end (delta: 458.2 MB). Free memory was 106.3 MB in the beginning and 369.6 MB in the end (delta: -263.3 MB). Peak memory consumption was 343.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant [2020-10-23 18:38:35,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-10-23 18:38:35,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:35,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-10-23 18:38:35,258 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:35,258 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:35,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-10-23 18:38:35,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:35,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2020-10-23 18:38:35,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] [2020-10-23 18:38:35,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a1~0_347_19_30,QUANTIFIED] Derived loop invariant: ((((((((((((((a19 <= 9 && 2 <= a10) || !(0 == \old(a10))) || (a10 == 1 && a19 <= 7)) || !(a12 == 0)) || !(23 <= \old(a1))) || (a10 == 1 && a1 <= 23)) || (a19 <= 7 && a10 == 0)) || !(9 <= \old(a19))) || (23 <= a1 && a10 == 0)) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9)) || (9 <= a19 && a10 == 0)) || (a10 == 1 && 9 <= a19)) || (a10 == 1 && (\exists aux_div_aux_mod_v_~a1~0_347_19_30 : int, v_prenex_2 : int :: ((v_prenex_2 + 331501 <= a1 && 0 < 5 * aux_div_aux_mod_v_~a1~0_347_19_30 + 5 * v_prenex_2 + 13) && 5 * aux_div_aux_mod_v_~a1~0_347_19_30 < 5) && 0 <= 5 * aux_div_aux_mod_v_~a1~0_347_19_30)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 47.7s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 36.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 486 SDtfs, 6509 SDslu, 477 SDs, 0 SdLazy, 12996 SolverSat, 1932 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 25.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1533 GetRequests, 1401 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3865occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 3354 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 310 PreInvPairs, 374 NumberOfFragments, 764 HoareAnnotationTreeSize, 310 FomulaSimplifications, 33241 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 9512 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 3165 NumberOfCodeBlocks, 3165 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3149 ConstructedInterpolants, 42 QuantifiedInterpolants, 2429456 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2812 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 2025/2261 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...