/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/Problem02_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:33:31,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:33:31,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:33:31,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:33:31,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:33:31,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:33:31,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:33:31,152 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 18:33:31,202 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:33:31,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:33:31,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:33:31,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:33:31,205 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:33:31,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:33:31,205 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:33:31,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:33:31,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:33:31,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:33:31,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:33:31,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:33:31,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:33:31,207 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:33:31,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:33:31,207 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:33:31,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:33:31,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:33:31,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:33:31,208 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:33:31,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:33:31,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:33:31,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:33:31,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:33:31,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:33:31,209 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:33:31,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:33:31,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:33:31,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:33:31,210 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:33:31,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:33:31,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:33:31,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:33:31,646 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:33:31,647 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:33:31,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-10-23 18:33:31,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e538fbf/cea1153088ee47ce8b393f990f3098cc/FLAG044b18233 [2020-10-23 18:33:32,503 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:33:32,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-10-23 18:33:32,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e538fbf/cea1153088ee47ce8b393f990f3098cc/FLAG044b18233 [2020-10-23 18:33:32,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e538fbf/cea1153088ee47ce8b393f990f3098cc [2020-10-23 18:33:32,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:33:32,742 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:33:32,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:33:32,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:33:32,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:33:32,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:33:32" (1/1) ... [2020-10-23 18:33:32,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f0a5fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:32, skipping insertion in model container [2020-10-23 18:33:32,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:33:32" (1/1) ... [2020-10-23 18:33:32,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:33:32,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:33:33,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:33:33,401 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:33:33,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:33:33,619 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:33:33,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:33 WrapperNode [2020-10-23 18:33:33,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:33:33,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:33:33,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:33:33,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:33:33,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:33" (1/1) ... [2020-10-23 18:33:33,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:33" (1/1) ... [2020-10-23 18:33:33,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:33" (1/1) ... [2020-10-23 18:33:33,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:33" (1/1) ... [2020-10-23 18:33:33,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:33" (1/1) ... [2020-10-23 18:33:33,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:33" (1/1) ... [2020-10-23 18:33:33,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:33" (1/1) ... [2020-10-23 18:33:33,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:33:33,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:33:33,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:33:33,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:33:33,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:33" (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 18:33:33,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:33:33,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:33:33,884 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:33:33,884 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:33:33,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:33:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:33:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:33:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:33:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:33:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:33:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:33:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:33:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:33:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:33:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:33:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:33:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:33:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:33:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:33:35,583 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:33:35,583 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:33:35,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:33:35 BoogieIcfgContainer [2020-10-23 18:33:35,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:33:35,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:33:35,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:33:35,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:33:35,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:33:32" (1/3) ... [2020-10-23 18:33:35,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fe7f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:33:35, skipping insertion in model container [2020-10-23 18:33:35,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:33" (2/3) ... [2020-10-23 18:33:35,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fe7f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:33:35, skipping insertion in model container [2020-10-23 18:33:35,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:33:35" (3/3) ... [2020-10-23 18:33:35,603 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label14.c [2020-10-23 18:33:35,615 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:33:35,619 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:33:35,632 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:33:35,660 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:33:35,661 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:33:35,661 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:33:35,661 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:33:35,661 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:33:35,661 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:33:35,661 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:33:35,661 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:33:35,686 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-23 18:33:35,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-23 18:33:35,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:35,702 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:35,702 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:35,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:35,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1198844043, now seen corresponding path program 1 times [2020-10-23 18:33:35,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:35,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074152005] [2020-10-23 18:33:35,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:36,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:36,458 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 18:33:36,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074152005] [2020-10-23 18:33:36,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:33:36,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 18:33:36,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767315232] [2020-10-23 18:33:36,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:33:36,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:36,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:33:36,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:33:36,492 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-23 18:33:39,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:39,007 INFO L93 Difference]: Finished difference Result 667 states and 1119 transitions. [2020-10-23 18:33:39,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 18:33:39,009 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2020-10-23 18:33:39,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:39,029 INFO L225 Difference]: With dead ends: 667 [2020-10-23 18:33:39,029 INFO L226 Difference]: Without dead ends: 342 [2020-10-23 18:33:39,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:33:39,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-23 18:33:39,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-23 18:33:39,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-23 18:33:39,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 489 transitions. [2020-10-23 18:33:39,136 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 489 transitions. Word has length 124 [2020-10-23 18:33:39,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:39,137 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 489 transitions. [2020-10-23 18:33:39,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:33:39,137 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 489 transitions. [2020-10-23 18:33:39,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-23 18:33:39,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:39,145 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:39,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:33:39,146 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:39,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:39,147 INFO L82 PathProgramCache]: Analyzing trace with hash 767515561, now seen corresponding path program 1 times [2020-10-23 18:33:39,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:39,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849291171] [2020-10-23 18:33:39,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:39,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:39,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:39,649 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:33:39,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849291171] [2020-10-23 18:33:39,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:33:39,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:33:39,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920927189] [2020-10-23 18:33:39,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:33:39,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:39,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:33:39,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:33:39,660 INFO L87 Difference]: Start difference. First operand 338 states and 489 transitions. Second operand 7 states. [2020-10-23 18:33:39,825 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-23 18:33:40,324 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-23 18:33:41,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:41,894 INFO L93 Difference]: Finished difference Result 991 states and 1464 transitions. [2020-10-23 18:33:41,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 18:33:41,895 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-10-23 18:33:41,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:41,907 INFO L225 Difference]: With dead ends: 991 [2020-10-23 18:33:41,907 INFO L226 Difference]: Without dead ends: 659 [2020-10-23 18:33:41,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:33:41,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-10-23 18:33:41,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 643. [2020-10-23 18:33:41,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-10-23 18:33:41,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 882 transitions. [2020-10-23 18:33:41,970 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 882 transitions. Word has length 132 [2020-10-23 18:33:41,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:41,970 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 882 transitions. [2020-10-23 18:33:41,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:33:41,970 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 882 transitions. [2020-10-23 18:33:41,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-23 18:33:41,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:41,977 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:41,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:33:41,978 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:41,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:41,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1052679875, now seen corresponding path program 1 times [2020-10-23 18:33:41,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:41,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387540931] [2020-10-23 18:33:41,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:42,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:42,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:42,265 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:33:42,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387540931] [2020-10-23 18:33:42,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:33:42,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:33:42,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252558784] [2020-10-23 18:33:42,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:33:42,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:42,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:33:42,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:33:42,280 INFO L87 Difference]: Start difference. First operand 643 states and 882 transitions. Second operand 7 states. [2020-10-23 18:33:44,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:44,587 INFO L93 Difference]: Finished difference Result 1925 states and 2783 transitions. [2020-10-23 18:33:44,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:33:44,595 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2020-10-23 18:33:44,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:44,606 INFO L225 Difference]: With dead ends: 1925 [2020-10-23 18:33:44,606 INFO L226 Difference]: Without dead ends: 1288 [2020-10-23 18:33:44,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:33:44,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2020-10-23 18:33:44,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1256. [2020-10-23 18:33:44,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2020-10-23 18:33:44,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1688 transitions. [2020-10-23 18:33:44,688 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1688 transitions. Word has length 138 [2020-10-23 18:33:44,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:44,688 INFO L481 AbstractCegarLoop]: Abstraction has 1256 states and 1688 transitions. [2020-10-23 18:33:44,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:33:44,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1688 transitions. [2020-10-23 18:33:44,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-23 18:33:44,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:44,696 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:44,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:33:44,697 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:44,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:44,697 INFO L82 PathProgramCache]: Analyzing trace with hash 2121401370, now seen corresponding path program 1 times [2020-10-23 18:33:44,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:44,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010532933] [2020-10-23 18:33:44,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:44,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:44,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:45,042 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:33:45,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010532933] [2020-10-23 18:33:45,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:33:45,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:33:45,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290339875] [2020-10-23 18:33:45,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:33:45,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:45,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:33:45,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:33:45,046 INFO L87 Difference]: Start difference. First operand 1256 states and 1688 transitions. Second operand 8 states. [2020-10-23 18:33:47,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:47,993 INFO L93 Difference]: Finished difference Result 4330 states and 5971 transitions. [2020-10-23 18:33:47,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 18:33:47,999 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-10-23 18:33:47,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:48,020 INFO L225 Difference]: With dead ends: 4330 [2020-10-23 18:33:48,020 INFO L226 Difference]: Without dead ends: 3080 [2020-10-23 18:33:48,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:33:48,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3080 states. [2020-10-23 18:33:48,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3080 to 3054. [2020-10-23 18:33:48,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3054 states. [2020-10-23 18:33:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 3054 states and 3775 transitions. [2020-10-23 18:33:48,147 INFO L78 Accepts]: Start accepts. Automaton has 3054 states and 3775 transitions. Word has length 152 [2020-10-23 18:33:48,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:48,148 INFO L481 AbstractCegarLoop]: Abstraction has 3054 states and 3775 transitions. [2020-10-23 18:33:48,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:33:48,148 INFO L276 IsEmpty]: Start isEmpty. Operand 3054 states and 3775 transitions. [2020-10-23 18:33:48,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-23 18:33:48,157 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:48,157 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-23 18:33:48,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 18:33:48,158 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:48,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:48,159 INFO L82 PathProgramCache]: Analyzing trace with hash 705829917, now seen corresponding path program 1 times [2020-10-23 18:33:48,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:48,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585728165] [2020-10-23 18:33:48,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:48,486 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:33:48,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:48,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:48,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:33:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:48,832 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-23 18:33:48,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585728165] [2020-10-23 18:33:48,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031265887] [2020-10-23 18:33:48,833 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 18:33:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:49,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:33:49,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:33:49,401 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 18:33:49,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:33:49,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:33:49,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335546838] [2020-10-23 18:33:49,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:33:49,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:49,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:33:49,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:33:49,405 INFO L87 Difference]: Start difference. First operand 3054 states and 3775 transitions. Second operand 3 states. [2020-10-23 18:33:50,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:50,309 INFO L93 Difference]: Finished difference Result 6986 states and 8783 transitions. [2020-10-23 18:33:50,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:33:50,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-10-23 18:33:50,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:50,335 INFO L225 Difference]: With dead ends: 6986 [2020-10-23 18:33:50,335 INFO L226 Difference]: Without dead ends: 3329 [2020-10-23 18:33:50,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:33:50,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3329 states. [2020-10-23 18:33:50,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3329 to 3329. [2020-10-23 18:33:50,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3329 states. [2020-10-23 18:33:50,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 3329 states and 3815 transitions. [2020-10-23 18:33:50,472 INFO L78 Accepts]: Start accepts. Automaton has 3329 states and 3815 transitions. Word has length 159 [2020-10-23 18:33:50,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:50,474 INFO L481 AbstractCegarLoop]: Abstraction has 3329 states and 3815 transitions. [2020-10-23 18:33:50,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:33:50,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3329 states and 3815 transitions. [2020-10-23 18:33:50,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-23 18:33:50,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:50,490 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:50,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:50,704 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:50,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:50,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1344081666, now seen corresponding path program 1 times [2020-10-23 18:33:50,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:50,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232251398] [2020-10-23 18:33:50,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:50,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:50,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:50,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:33:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:50,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-23 18:33:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:51,018 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-23 18:33:51,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232251398] [2020-10-23 18:33:51,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490611176] [2020-10-23 18:33:51,019 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 18:33:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:51,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:33:51,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:33:51,279 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-23 18:33:51,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:33:51,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-10-23 18:33:51,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364181563] [2020-10-23 18:33:51,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:33:51,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:51,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:33:51,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:33:51,281 INFO L87 Difference]: Start difference. First operand 3329 states and 3815 transitions. Second operand 3 states. [2020-10-23 18:33:52,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:52,054 INFO L93 Difference]: Finished difference Result 7236 states and 8468 transitions. [2020-10-23 18:33:52,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:33:52,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2020-10-23 18:33:52,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:52,075 INFO L225 Difference]: With dead ends: 7236 [2020-10-23 18:33:52,076 INFO L226 Difference]: Without dead ends: 3913 [2020-10-23 18:33:52,086 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:33:52,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3913 states. [2020-10-23 18:33:52,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3913 to 3909. [2020-10-23 18:33:52,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3909 states. [2020-10-23 18:33:52,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3909 states to 3909 states and 4557 transitions. [2020-10-23 18:33:52,233 INFO L78 Accepts]: Start accepts. Automaton has 3909 states and 4557 transitions. Word has length 186 [2020-10-23 18:33:52,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:52,234 INFO L481 AbstractCegarLoop]: Abstraction has 3909 states and 4557 transitions. [2020-10-23 18:33:52,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:33:52,234 INFO L276 IsEmpty]: Start isEmpty. Operand 3909 states and 4557 transitions. [2020-10-23 18:33:52,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-23 18:33:52,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:52,247 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:52,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:52,461 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:52,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:52,462 INFO L82 PathProgramCache]: Analyzing trace with hash 2138353628, now seen corresponding path program 1 times [2020-10-23 18:33:52,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:52,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488968148] [2020-10-23 18:33:52,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:52,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:52,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:52,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:33:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:52,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-23 18:33:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:52,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-23 18:33:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:52,800 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 120 proven. 23 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-23 18:33:52,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488968148] [2020-10-23 18:33:52,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127310842] [2020-10-23 18:33:52,801 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 18:33:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:52,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-23 18:33:52,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:33:53,057 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-23 18:33:53,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:33:53,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-10-23 18:33:53,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194874533] [2020-10-23 18:33:53,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:33:53,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:53,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:33:53,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:33:53,061 INFO L87 Difference]: Start difference. First operand 3909 states and 4557 transitions. Second operand 3 states. [2020-10-23 18:33:53,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:53,843 INFO L93 Difference]: Finished difference Result 8967 states and 10523 transitions. [2020-10-23 18:33:53,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:33:53,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2020-10-23 18:33:53,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:53,845 INFO L225 Difference]: With dead ends: 8967 [2020-10-23 18:33:53,845 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:33:53,867 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:33:53,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:33:53,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:33:53,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:33:53,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:33:53,868 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2020-10-23 18:33:53,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:53,869 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:33:53,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:33:53,869 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:33:53,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:33:54,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:54,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:33:54,753 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 29 [2020-10-23 18:33:55,613 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 45 [2020-10-23 18:33:55,826 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2020-10-23 18:33:56,047 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-10-23 18:33:56,188 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-10-23 18:33:56,194 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:33:56,194 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:33:56,194 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:33:56,195 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:33:56,195 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:33:56,195 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-23 18:33:56,195 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:33:56,195 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-23 18:33:56,196 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-23 18:33:56,196 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-23 18:33:56,196 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-23 18:33:56,196 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-23 18:33:56,196 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-23 18:33:56,196 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-23 18:33:56,196 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:33:56,196 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-23 18:33:56,196 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:33:56,197 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-23 18:33:56,197 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:33:56,197 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:33:56,197 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-23 18:33:56,197 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-23 18:33:56,197 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,197 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,197 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,197 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,197 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,198 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-23 18:33:56,198 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-23 18:33:56,198 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-23 18:33:56,198 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-23 18:33:56,198 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-23 18:33:56,198 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-23 18:33:56,198 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-23 18:33:56,198 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-23 18:33:56,199 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-23 18:33:56,199 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-23 18:33:56,199 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:33:56,199 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:33:56,199 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-23 18:33:56,199 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,199 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,199 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,200 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,200 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-23 18:33:56,200 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,200 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-23 18:33:56,200 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-23 18:33:56,200 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-23 18:33:56,200 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-23 18:33:56,200 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-23 18:33:56,200 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-23 18:33:56,201 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-23 18:33:56,201 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:33:56,201 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:33:56,201 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-23 18:33:56,201 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-23 18:33:56,201 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-23 18:33:56,201 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:33:56,201 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:33:56,202 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-23 18:33:56,202 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,202 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,202 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,202 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,202 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,202 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:33:56,202 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-23 18:33:56,202 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:33:56,203 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-23 18:33:56,203 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-23 18:33:56,203 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-23 18:33:56,203 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-23 18:33:56,203 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-23 18:33:56,203 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-23 18:33:56,203 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-23 18:33:56,203 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-23 18:33:56,203 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,204 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,204 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,204 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,204 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,204 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-23 18:33:56,204 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-23 18:33:56,204 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-23 18:33:56,204 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-23 18:33:56,204 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-23 18:33:56,205 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-23 18:33:56,205 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-23 18:33:56,205 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-23 18:33:56,205 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-23 18:33:56,205 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-23 18:33:56,205 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-23 18:33:56,205 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-23 18:33:56,205 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-23 18:33:56,205 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,205 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,206 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,206 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,206 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,206 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-23 18:33:56,206 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-23 18:33:56,206 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-23 18:33:56,206 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-23 18:33:56,206 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-23 18:33:56,206 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-23 18:33:56,206 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-23 18:33:56,207 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-23 18:33:56,207 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-23 18:33:56,207 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,207 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,207 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-23 18:33:56,207 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-23 18:33:56,207 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-23 18:33:56,207 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-23 18:33:56,208 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:33:56,208 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-23 18:33:56,208 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:33:56,208 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,208 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,208 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,208 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,208 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-23 18:33:56,208 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,209 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:33:56,209 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,209 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:33:56,209 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:33:56,209 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:33:56,209 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-23 18:33:56,209 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-23 18:33:56,209 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-23 18:33:56,210 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-23 18:33:56,210 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-23 18:33:56,210 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-23 18:33:56,210 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-23 18:33:56,210 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-23 18:33:56,210 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-23 18:33:56,210 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-23 18:33:56,210 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-23 18:33:56,211 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,211 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,211 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,211 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,211 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,211 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,211 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-23 18:33:56,211 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-23 18:33:56,211 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-23 18:33:56,212 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-23 18:33:56,212 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-23 18:33:56,212 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-23 18:33:56,212 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-23 18:33:56,212 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-23 18:33:56,212 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-23 18:33:56,212 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-23 18:33:56,212 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-23 18:33:56,212 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,212 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,213 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,213 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,213 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,213 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,213 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-23 18:33:56,213 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-23 18:33:56,213 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-23 18:33:56,213 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-23 18:33:56,217 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-23 18:33:56,217 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-23 18:33:56,217 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-23 18:33:56,218 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse7 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a25~0 |old(~a25~0)|)) (.cse9 (= ~a19~0 |old(~a19~0)|))) (let ((.cse4 (and .cse5 .cse6 .cse7 .cse8 .cse9)) (.cse0 (= 11 |old(~a28~0)|)) (.cse1 (and .cse5 (= ~a25~0 ~a11~0) .cse6 .cse8 .cse9)) (.cse2 (= |old(~a17~0)| |old(~a28~0)|)) (.cse3 (not (= |old(~a11~0)| |old(~a25~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (not (<= 10 |old(~a28~0)|))) (or (not (= |old(~a19~0)| 1)) (and .cse5 .cse6 .cse7 (= ~a19~0 1) .cse8)) (or (not (<= |old(~a28~0)| 7)) .cse4) (or .cse4 .cse0 (= |old(~a11~0)| 1)) (or (not (= 0 |old(~a11~0)|)) .cse1 .cse2 .cse3)))) [2020-10-23 18:33:56,218 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-23 18:33:56,218 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-23 18:33:56,218 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-23 18:33:56,218 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-23 18:33:56,218 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-23 18:33:56,218 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-23 18:33:56,218 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-23 18:33:56,219 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,219 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,219 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,219 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,219 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,219 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,219 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-23 18:33:56,219 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-23 18:33:56,219 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-23 18:33:56,219 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-23 18:33:56,220 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-23 18:33:56,220 INFO L270 CegarLoopResult]: At program point L525(line 525) the Hoare annotation is: (let ((.cse0 (= 11 |old(~a28~0)|)) (.cse1 (= |old(~a17~0)| |old(~a28~0)|)) (.cse2 (not (= |old(~a11~0)| |old(~a25~0)|)))) (and (or .cse0 (= |old(~a11~0)| 1)) (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 10 |old(~a28~0)|))) (or (not (= 0 |old(~a11~0)|)) .cse1 .cse2))) [2020-10-23 18:33:56,222 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-23 18:33:56,222 INFO L274 CegarLoopResult]: For program point L525-1(line 525) no Hoare annotation was computed. [2020-10-23 18:33:56,222 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-23 18:33:56,222 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-23 18:33:56,222 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-23 18:33:56,223 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-23 18:33:56,223 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-23 18:33:56,223 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-23 18:33:56,223 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,223 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,223 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,223 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,223 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,223 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,223 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-23 18:33:56,224 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-23 18:33:56,224 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-23 18:33:56,224 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-23 18:33:56,224 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-23 18:33:56,224 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-23 18:33:56,224 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-23 18:33:56,224 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-23 18:33:56,224 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-23 18:33:56,224 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-23 18:33:56,224 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-23 18:33:56,225 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:33:56,225 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:33:56,225 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-23 18:33:56,225 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-23 18:33:56,225 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-23 18:33:56,226 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,226 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,226 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,226 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,226 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:56,226 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-23 18:33:56,226 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-23 18:33:56,226 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-23 18:33:56,227 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-23 18:33:56,227 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:33:56,227 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a11~0 0) (<= ~a28~0 7)) [2020-10-23 18:33:56,227 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:33:56,227 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:33:56,227 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 11))) (.cse1 (not (= ~a28~0 ~a17~0))) (.cse2 (= ~a25~0 ~a11~0))) (or (and (<= 10 ~a28~0) .cse0) (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (= ~a19~0 1) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse2 .cse0) (and (not (= ~a11~0 1)) .cse0) (<= ~a28~0 7) (and .cse1 .cse2 (= ~a11~0 0)) (= |old(~a17~0)| |old(~a28~0)|) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-23 18:33:56,228 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|)) (= |old(~a17~0)| |old(~a28~0)|) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-23 18:33:56,228 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:33:56,228 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:33:56,228 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 11))) (.cse1 (not (= ~a28~0 ~a17~0))) (.cse2 (= ~a25~0 ~a11~0))) (or (and (<= 10 ~a28~0) .cse0) (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (= ~a19~0 1) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse2 .cse0) (and (not (= ~a11~0 1)) .cse0) (<= ~a28~0 7) (and .cse1 .cse2 (= ~a11~0 0)) (= |old(~a17~0)| |old(~a28~0)|) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-23 18:33:56,228 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-23 18:33:56,228 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-23 18:33:56,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:33:56 BoogieIcfgContainer [2020-10-23 18:33:56,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:33:56,254 INFO L168 Benchmark]: Toolchain (without parser) took 23518.77 ms. Allocated memory was 155.2 MB in the beginning and 426.8 MB in the end (delta: 271.6 MB). Free memory was 129.0 MB in the beginning and 213.7 MB in the end (delta: -84.7 MB). Peak memory consumption was 254.0 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:56,255 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 155.2 MB. Free memory was 128.1 MB in the beginning and 128.0 MB in the end (delta: 81.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:33:56,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 876.58 ms. Allocated memory is still 155.2 MB. Free memory was 128.4 MB in the beginning and 133.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:56,256 INFO L168 Benchmark]: Boogie Preprocessor took 162.81 ms. Allocated memory is still 155.2 MB. Free memory was 133.6 MB in the beginning and 128.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:56,257 INFO L168 Benchmark]: RCFGBuilder took 1801.57 ms. Allocated memory is still 155.2 MB. Free memory was 128.3 MB in the beginning and 108.0 MB in the end (delta: 20.4 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:56,258 INFO L168 Benchmark]: TraceAbstraction took 20662.52 ms. Allocated memory was 155.2 MB in the beginning and 426.8 MB in the end (delta: 271.6 MB). Free memory was 108.0 MB in the beginning and 213.7 MB in the end (delta: -105.8 MB). Peak memory consumption was 232.4 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:56,262 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 155.2 MB. Free memory was 128.1 MB in the beginning and 128.0 MB in the end (delta: 81.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 876.58 ms. Allocated memory is still 155.2 MB. Free memory was 128.4 MB in the beginning and 133.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 162.81 ms. Allocated memory is still 155.2 MB. Free memory was 133.6 MB in the beginning and 128.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1801.57 ms. Allocated memory is still 155.2 MB. Free memory was 128.3 MB in the beginning and 108.0 MB in the end (delta: 20.4 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 20662.52 ms. Allocated memory was 155.2 MB in the beginning and 426.8 MB in the end (delta: 271.6 MB). Free memory was 108.0 MB in the beginning and 213.7 MB in the end (delta: -105.8 MB). Peak memory consumption was 232.4 MB. Max. memory is 8.0 GB. * 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: 608]: Loop Invariant Derived loop invariant: ((((((((((10 <= a28 && !(a28 == 11)) || !(\old(a28) <= 7)) || !(\old(a19) == 1)) || a19 == 1) || !(0 == \old(a11))) || ((!(a28 == a17) && a25 == a11) && !(a28 == 11))) || (!(a11 == 1) && !(a28 == 11))) || a28 <= 7) || ((!(a28 == a17) && a25 == a11) && a11 == 0)) || \old(a17) == \old(a28)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.4s, OverallIterations: 7, TraceHistogramMax: 5, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 540 SDtfs, 2692 SDslu, 314 SDs, 0 SdLazy, 4766 SolverSat, 918 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 657 GetRequests, 602 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3909occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 82 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 255 PreInvPairs, 331 NumberOfFragments, 461 HoareAnnotationTreeSize, 255 FomulaSimplifications, 14684 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4764 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1686 NumberOfCodeBlocks, 1686 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1676 ConstructedInterpolants, 0 QuantifiedInterpolants, 865383 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1670 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 632/681 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...