/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/Problem01_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:34:14,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:34:14,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:34:14,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:34:14,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:34:14,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:34:14,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:34:14,701 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 [2020-11-06 22:34:14,753 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:34:14,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:34:14,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:34:14,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:34:14,758 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:34:14,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:34:14,758 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:34:14,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:34:14,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:34:14,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:34:14,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:34:14,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:34:14,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:34:14,760 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:34:14,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:34:14,761 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:34:14,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:34:14,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:34:14,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:34:14,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:34:14,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:34:14,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:34:14,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:34:14,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:34:14,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:34:14,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:34:14,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:34:14,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:34:14,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:34:14,780 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:34:15,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:34:15,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:34:15,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:34:15,256 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:34:15,257 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:34:15,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43.c [2020-11-06 22:34:15,342 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fc301fc9/7506355da9124f80a9be64a9091b7f05/FLAG6b50eb291 [2020-11-06 22:34:16,101 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:34:16,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label43.c [2020-11-06 22:34:16,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fc301fc9/7506355da9124f80a9be64a9091b7f05/FLAG6b50eb291 [2020-11-06 22:34:16,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fc301fc9/7506355da9124f80a9be64a9091b7f05 [2020-11-06 22:34:16,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:34:16,342 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:34:16,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:34:16,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:34:16,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:34:16,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:34:16" (1/1) ... [2020-11-06 22:34:16,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c0eefda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:16, skipping insertion in model container [2020-11-06 22:34:16,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:34:16" (1/1) ... [2020-11-06 22:34:16,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:34:16,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:34:16,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:34:16,884 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:34:17,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:34:17,123 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:34:17,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:17 WrapperNode [2020-11-06 22:34:17,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:34:17,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:34:17,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:34:17,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:34:17,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:17" (1/1) ... [2020-11-06 22:34:17,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:17" (1/1) ... [2020-11-06 22:34:17,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:17" (1/1) ... [2020-11-06 22:34:17,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:17" (1/1) ... [2020-11-06 22:34:17,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:17" (1/1) ... [2020-11-06 22:34:17,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:17" (1/1) ... [2020-11-06 22:34:17,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:17" (1/1) ... [2020-11-06 22:34:17,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:34:17,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:34:17,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:34:17,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:34:17,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:17" (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 [2020-11-06 22:34:17,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:34:17,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:34:17,387 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:34:17,387 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:34:17,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:34:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:34:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:34:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:34:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:34:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:34:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:34:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:34:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:34:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:34:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:34:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:34:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:34:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:34:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:34:18,757 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:34:18,757 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:34:18,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:34:18 BoogieIcfgContainer [2020-11-06 22:34:18,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:34:18,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:34:18,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:34:18,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:34:18,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:34:16" (1/3) ... [2020-11-06 22:34:18,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ff27f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:34:18, skipping insertion in model container [2020-11-06 22:34:18,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:17" (2/3) ... [2020-11-06 22:34:18,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ff27f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:34:18, skipping insertion in model container [2020-11-06 22:34:18,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:34:18" (3/3) ... [2020-11-06 22:34:18,768 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label43.c [2020-11-06 22:34:18,784 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:34:18,788 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:34:18,800 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:34:18,829 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:34:18,829 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:34:18,829 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:34:18,829 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:34:18,829 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:34:18,829 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:34:18,830 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:34:18,830 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:34:18,853 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-11-06 22:34:18,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-06 22:34:18,869 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:34:18,870 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:34:18,870 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:34:18,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:34:18,877 INFO L82 PathProgramCache]: Analyzing trace with hash -2134221, now seen corresponding path program 1 times [2020-11-06 22:34:18,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:34:18,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981441361] [2020-11-06 22:34:18,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:34:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:19,624 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-06 22:34:19,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:34:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:34:19,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981441361] [2020-11-06 22:34:19,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:34:19,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:34:19,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529910431] [2020-11-06 22:34:19,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:34:19,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:34:19,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:34:19,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:34:19,787 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 5 states. [2020-11-06 22:34:22,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:34:22,371 INFO L93 Difference]: Finished difference Result 703 states and 1239 transitions. [2020-11-06 22:34:22,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 22:34:22,374 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-11-06 22:34:22,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:34:22,391 INFO L225 Difference]: With dead ends: 703 [2020-11-06 22:34:22,391 INFO L226 Difference]: Without dead ends: 424 [2020-11-06 22:34:22,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:34:22,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-11-06 22:34:22,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 418. [2020-11-06 22:34:22,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-11-06 22:34:22,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 586 transitions. [2020-11-06 22:34:22,515 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 586 transitions. Word has length 135 [2020-11-06 22:34:22,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:34:22,518 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 586 transitions. [2020-11-06 22:34:22,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:34:22,519 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 586 transitions. [2020-11-06 22:34:22,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-11-06 22:34:22,533 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:34:22,533 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:34:22,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:34:22,534 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:34:22,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:34:22,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1623191545, now seen corresponding path program 1 times [2020-11-06 22:34:22,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:34:22,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962702500] [2020-11-06 22:34:22,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:34:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:22,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:34:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:22,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:34:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:22,863 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:34:22,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962702500] [2020-11-06 22:34:22,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:34:22,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:34:22,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295673168] [2020-11-06 22:34:22,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:34:22,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:34:22,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:34:22,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:34:22,867 INFO L87 Difference]: Start difference. First operand 418 states and 586 transitions. Second operand 8 states. [2020-11-06 22:34:23,020 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-06 22:34:24,784 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-06 22:34:24,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:34:24,832 INFO L93 Difference]: Finished difference Result 1132 states and 1660 transitions. [2020-11-06 22:34:24,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:34:24,833 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 145 [2020-11-06 22:34:24,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:34:24,842 INFO L225 Difference]: With dead ends: 1132 [2020-11-06 22:34:24,842 INFO L226 Difference]: Without dead ends: 720 [2020-11-06 22:34:24,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:34:24,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2020-11-06 22:34:24,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 698. [2020-11-06 22:34:24,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2020-11-06 22:34:24,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 978 transitions. [2020-11-06 22:34:24,923 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 978 transitions. Word has length 145 [2020-11-06 22:34:24,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:34:24,923 INFO L481 AbstractCegarLoop]: Abstraction has 698 states and 978 transitions. [2020-11-06 22:34:24,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:34:24,923 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 978 transitions. [2020-11-06 22:34:24,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-11-06 22:34:24,927 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:34:24,928 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:34:24,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:34:24,929 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:34:24,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:34:24,930 INFO L82 PathProgramCache]: Analyzing trace with hash 342307115, now seen corresponding path program 1 times [2020-11-06 22:34:24,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:34:24,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192637891] [2020-11-06 22:34:24,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:34:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:25,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:34:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:25,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:34:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:25,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-06 22:34:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:25,442 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-06 22:34:25,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192637891] [2020-11-06 22:34:25,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238273649] [2020-11-06 22:34:25,443 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 [2020-11-06 22:34:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:25,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:34:25,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:34:26,058 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-06 22:34:26,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:34:26,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-11-06 22:34:26,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167621693] [2020-11-06 22:34:26,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:34:26,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:34:26,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:34:26,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:34:26,062 INFO L87 Difference]: Start difference. First operand 698 states and 978 transitions. Second operand 3 states. [2020-11-06 22:34:26,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:34:26,933 INFO L93 Difference]: Finished difference Result 2073 states and 2973 transitions. [2020-11-06 22:34:26,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:34:26,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2020-11-06 22:34:26,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:34:26,947 INFO L225 Difference]: With dead ends: 2073 [2020-11-06 22:34:26,947 INFO L226 Difference]: Without dead ends: 1381 [2020-11-06 22:34:26,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:34:26,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2020-11-06 22:34:27,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1381. [2020-11-06 22:34:27,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1381 states. [2020-11-06 22:34:27,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1891 transitions. [2020-11-06 22:34:27,013 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1891 transitions. Word has length 169 [2020-11-06 22:34:27,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:34:27,014 INFO L481 AbstractCegarLoop]: Abstraction has 1381 states and 1891 transitions. [2020-11-06 22:34:27,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:34:27,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1891 transitions. [2020-11-06 22:34:27,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-11-06 22:34:27,021 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:34:27,021 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:34:27,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-06 22:34:27,235 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:34:27,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:34:27,236 INFO L82 PathProgramCache]: Analyzing trace with hash 2131405112, now seen corresponding path program 1 times [2020-11-06 22:34:27,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:34:27,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548655301] [2020-11-06 22:34:27,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:34:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:27,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:34:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:27,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:34:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:27,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-06 22:34:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:27,720 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:34:27,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548655301] [2020-11-06 22:34:27,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603249947] [2020-11-06 22:34:27,721 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 [2020-11-06 22:34:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:27,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:34:27,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:34:28,071 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:34:28,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:34:28,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:34:28,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153333586] [2020-11-06 22:34:28,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:34:28,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:34:28,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:34:28,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:34:28,075 INFO L87 Difference]: Start difference. First operand 1381 states and 1891 transitions. Second operand 10 states. [2020-11-06 22:34:31,197 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-06 22:34:31,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:34:31,551 INFO L93 Difference]: Finished difference Result 3931 states and 6275 transitions. [2020-11-06 22:34:31,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-06 22:34:31,552 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 218 [2020-11-06 22:34:31,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:34:31,585 INFO L225 Difference]: With dead ends: 3931 [2020-11-06 22:34:31,586 INFO L226 Difference]: Without dead ends: 2556 [2020-11-06 22:34:31,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-11-06 22:34:31,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2556 states. [2020-11-06 22:34:31,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2556 to 2015. [2020-11-06 22:34:31,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2015 states. [2020-11-06 22:34:31,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 2015 states and 2892 transitions. [2020-11-06 22:34:31,737 INFO L78 Accepts]: Start accepts. Automaton has 2015 states and 2892 transitions. Word has length 218 [2020-11-06 22:34:31,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:34:31,738 INFO L481 AbstractCegarLoop]: Abstraction has 2015 states and 2892 transitions. [2020-11-06 22:34:31,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:34:31,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2015 states and 2892 transitions. [2020-11-06 22:34:31,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-11-06 22:34:31,751 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:34:31,751 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:34:31,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:34:31,966 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:34:31,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:34:31,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1522792192, now seen corresponding path program 1 times [2020-11-06 22:34:31,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:34:31,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429493134] [2020-11-06 22:34:31,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:34:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:32,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:34:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:32,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:34:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:32,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:34:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:32,345 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 81 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-06 22:34:32,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429493134] [2020-11-06 22:34:32,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996067273] [2020-11-06 22:34:32,346 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 [2020-11-06 22:34:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:34:32,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-06 22:34:32,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:34:32,583 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-06 22:34:32,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:34:32,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-11-06 22:34:32,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538951684] [2020-11-06 22:34:32,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:34:32,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:34:32,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:34:32,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:34:32,586 INFO L87 Difference]: Start difference. First operand 2015 states and 2892 transitions. Second operand 3 states. [2020-11-06 22:34:33,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:34:33,240 INFO L93 Difference]: Finished difference Result 4664 states and 6561 transitions. [2020-11-06 22:34:33,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:34:33,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2020-11-06 22:34:33,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:34:33,242 INFO L225 Difference]: With dead ends: 4664 [2020-11-06 22:34:33,242 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:34:33,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:34:33,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:34:33,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:34:33,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:34:33,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:34:33,254 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2020-11-06 22:34:33,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:34:33,255 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:34:33,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:34:33,255 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:34:33,255 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:34:33,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:34:33,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:34:33,813 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 21 [2020-11-06 22:34:33,932 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 21 [2020-11-06 22:34:34,967 WARN L194 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 44 [2020-11-06 22:34:35,153 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:34:35,153 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:34:35,154 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:34:35,154 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:34:35,154 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:34:35,154 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#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)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-11-06 22:34:35,155 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:34:35,155 INFO L266 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,155 INFO L266 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,155 INFO L266 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,155 INFO L266 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,156 INFO L266 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,156 INFO L266 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,156 INFO L266 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-11-06 22:34:35,156 INFO L266 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-11-06 22:34:35,156 INFO L266 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-11-06 22:34:35,156 INFO L266 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-11-06 22:34:35,156 INFO L266 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-11-06 22:34:35,156 INFO L266 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-11-06 22:34:35,157 INFO L266 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-11-06 22:34:35,157 INFO L266 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-11-06 22:34:35,157 INFO L266 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-11-06 22:34:35,157 INFO L266 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-11-06 22:34:35,157 INFO L266 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-11-06 22:34:35,157 INFO L266 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-11-06 22:34:35,157 INFO L266 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,158 INFO L266 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,158 INFO L266 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,158 INFO L266 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,158 INFO L266 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,158 INFO L266 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,158 INFO L266 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-11-06 22:34:35,158 INFO L266 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-11-06 22:34:35,158 INFO L266 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-11-06 22:34:35,158 INFO L266 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-11-06 22:34:35,159 INFO L266 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-11-06 22:34:35,159 INFO L266 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-11-06 22:34:35,159 INFO L266 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-11-06 22:34:35,159 INFO L266 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-11-06 22:34:35,159 INFO L266 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-11-06 22:34:35,159 INFO L266 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-11-06 22:34:35,159 INFO L266 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,159 INFO L266 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,160 INFO L266 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,160 INFO L266 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,160 INFO L266 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,160 INFO L266 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,160 INFO L266 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-11-06 22:34:35,160 INFO L266 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-11-06 22:34:35,160 INFO L266 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-11-06 22:34:35,160 INFO L266 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-11-06 22:34:35,160 INFO L266 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-11-06 22:34:35,161 INFO L266 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-11-06 22:34:35,161 INFO L266 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-11-06 22:34:35,161 INFO L266 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-11-06 22:34:35,161 INFO L266 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-11-06 22:34:35,161 INFO L266 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-11-06 22:34:35,161 INFO L266 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-11-06 22:34:35,161 INFO L266 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-11-06 22:34:35,161 INFO L266 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-11-06 22:34:35,161 INFO L266 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-11-06 22:34:35,161 INFO L266 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-11-06 22:34:35,162 INFO L266 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,162 INFO L266 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,162 INFO L266 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,162 INFO L266 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,162 INFO L266 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,162 INFO L266 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-11-06 22:34:35,162 INFO L266 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-11-06 22:34:35,162 INFO L266 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-11-06 22:34:35,162 INFO L266 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-11-06 22:34:35,163 INFO L266 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-11-06 22:34:35,163 INFO L266 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-11-06 22:34:35,163 INFO L266 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-11-06 22:34:35,163 INFO L266 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-11-06 22:34:35,163 INFO L266 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-11-06 22:34:35,163 INFO L266 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,163 INFO L266 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,164 INFO L266 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,164 INFO L266 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,164 INFO L266 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,164 INFO L266 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-11-06 22:34:35,164 INFO L266 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-11-06 22:34:35,164 INFO L266 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-11-06 22:34:35,164 INFO L266 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-11-06 22:34:35,164 INFO L266 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-11-06 22:34:35,164 INFO L266 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-11-06 22:34:35,165 INFO L266 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-11-06 22:34:35,165 INFO L266 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-11-06 22:34:35,165 INFO L266 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-11-06 22:34:35,165 INFO L266 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-11-06 22:34:35,165 INFO L266 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-11-06 22:34:35,165 INFO L266 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-11-06 22:34:35,165 INFO L266 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-11-06 22:34:35,165 INFO L266 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,165 INFO L266 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,166 INFO L266 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,166 INFO L266 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,166 INFO L266 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,166 INFO L266 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-11-06 22:34:35,166 INFO L266 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-11-06 22:34:35,166 INFO L266 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-11-06 22:34:35,166 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,166 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,167 INFO L266 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-11-06 22:34:35,167 INFO L266 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-11-06 22:34:35,167 INFO L266 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-11-06 22:34:35,167 INFO L266 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-11-06 22:34:35,167 INFO L266 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-11-06 22:34:35,167 INFO L266 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-11-06 22:34:35,167 INFO L266 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,167 INFO L266 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,167 INFO L266 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,168 INFO L266 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,168 INFO L266 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-11-06 22:34:35,168 INFO L266 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,168 INFO L266 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-11-06 22:34:35,168 INFO L266 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-11-06 22:34:35,168 INFO L266 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-11-06 22:34:35,168 INFO L266 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-11-06 22:34:35,168 INFO L266 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-11-06 22:34:35,169 INFO L266 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-11-06 22:34:35,169 INFO L266 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-11-06 22:34:35,169 INFO L266 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-11-06 22:34:35,169 INFO L266 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-11-06 22:34:35,169 INFO L266 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-11-06 22:34:35,169 INFO L266 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-11-06 22:34:35,169 INFO L266 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-11-06 22:34:35,169 INFO L266 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-11-06 22:34:35,169 INFO L266 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,170 INFO L266 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,170 INFO L266 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,170 INFO L266 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,170 INFO L266 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,170 INFO L266 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-11-06 22:34:35,170 INFO L266 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-11-06 22:34:35,170 INFO L266 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-11-06 22:34:35,171 INFO L266 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-11-06 22:34:35,171 INFO L266 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-11-06 22:34:35,171 INFO L266 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-11-06 22:34:35,171 INFO L266 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-11-06 22:34:35,171 INFO L266 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-11-06 22:34:35,171 INFO L266 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,171 INFO L266 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,172 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse4 (= ~a16~0 |old(~a16~0)|) .cse5))) (and (or (= |old(~a8~0)| 13) (not (<= |old(~a16~0)| 5)) (not (<= |old(~a17~0)| 0)) .cse0) (or (not (<= 15 |old(~a8~0)|)) .cse0) (or (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a16~0 4)) (not (= 4 |old(~a16~0)|))) (or (not (= |old(~a20~0)| 1)) .cse0)))) [2020-11-06 22:34:35,172 INFO L266 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,172 INFO L266 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,172 INFO L266 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,172 INFO L266 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-11-06 22:34:35,172 INFO L266 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-11-06 22:34:35,172 INFO L266 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-11-06 22:34:35,172 INFO L266 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-11-06 22:34:35,173 INFO L266 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-11-06 22:34:35,173 INFO L266 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-11-06 22:34:35,173 INFO L266 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-11-06 22:34:35,173 INFO L266 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-11-06 22:34:35,173 INFO L266 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-11-06 22:34:35,173 INFO L266 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-11-06 22:34:35,173 INFO L266 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-11-06 22:34:35,173 INFO L266 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,173 INFO L266 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,174 INFO L266 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,174 INFO L266 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,174 INFO L266 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-11-06 22:34:35,174 INFO L266 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,174 INFO L266 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,174 INFO L266 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-11-06 22:34:35,174 INFO L266 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-11-06 22:34:35,174 INFO L266 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-11-06 22:34:35,174 INFO L266 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-11-06 22:34:35,175 INFO L266 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-11-06 22:34:35,175 INFO L266 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-11-06 22:34:35,175 INFO L266 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-11-06 22:34:35,175 INFO L266 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-11-06 22:34:35,175 INFO L266 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-11-06 22:34:35,175 INFO L266 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-11-06 22:34:35,175 INFO L266 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-11-06 22:34:35,175 INFO L266 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-11-06 22:34:35,176 INFO L266 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,176 INFO L266 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,179 INFO L266 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,179 INFO L266 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,179 INFO L266 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,179 INFO L266 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-11-06 22:34:35,179 INFO L266 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-11-06 22:34:35,179 INFO L266 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-11-06 22:34:35,180 INFO L266 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-11-06 22:34:35,180 INFO L262 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (and (not (<= 15 |old(~a8~0)|)) (or (= |old(~a8~0)| 13) (not (<= |old(~a16~0)| 5)) (not (<= |old(~a17~0)| 0))) (not (= |old(~a20~0)| 1)) (not (= 4 |old(~a16~0)|))) [2020-11-06 22:34:35,180 INFO L266 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-11-06 22:34:35,180 INFO L266 CegarLoopResult]: For program point L562-1(line 562) no Hoare annotation was computed. [2020-11-06 22:34:35,180 INFO L266 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-11-06 22:34:35,180 INFO L266 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-11-06 22:34:35,180 INFO L266 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-11-06 22:34:35,180 INFO L266 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-11-06 22:34:35,181 INFO L266 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-11-06 22:34:35,181 INFO L266 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-11-06 22:34:35,181 INFO L266 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-11-06 22:34:35,181 INFO L266 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-11-06 22:34:35,181 INFO L266 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-11-06 22:34:35,181 INFO L266 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-11-06 22:34:35,181 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:34:35,181 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (= ~a20~0 1) (<= 15 ~a8~0)) [2020-11-06 22:34:35,182 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:34:35,182 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:34:35,182 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|))) [2020-11-06 22:34:35,182 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-11-06 22:34:35,182 INFO L262 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (= ~a20~0 1) (= ~a16~0 4) (<= 15 ~a8~0) (and (<= ~a16~0 5) (not (= ~a8~0 13)) (<= ~a17~0 0))) [2020-11-06 22:34:35,182 INFO L266 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-11-06 22:34:35,182 INFO L266 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-06 22:34:35,183 INFO L262 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (or (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (= ~a20~0 1) (= ~a16~0 4) (<= 15 ~a8~0) (and (<= ~a16~0 5) (not (= ~a8~0 13)) (<= ~a17~0 0))) [2020-11-06 22:34:35,183 INFO L266 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-11-06 22:34:35,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:34:35 BoogieIcfgContainer [2020-11-06 22:34:35,212 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:34:35,214 INFO L168 Benchmark]: Toolchain (without parser) took 18876.49 ms. Allocated memory was 164.6 MB in the beginning and 348.1 MB in the end (delta: 183.5 MB). Free memory was 139.3 MB in the beginning and 144.8 MB in the end (delta: -5.6 MB). Peak memory consumption was 205.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:34:35,216 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 125.8 MB. Free memory was 103.0 MB in the beginning and 102.9 MB in the end (delta: 66.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:34:35,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.16 ms. Allocated memory is still 164.6 MB. Free memory was 138.6 MB in the beginning and 141.6 MB in the end (delta: -3.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:34:35,218 INFO L168 Benchmark]: Boogie Preprocessor took 172.42 ms. Allocated memory is still 164.6 MB. Free memory was 141.6 MB in the beginning and 136.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:34:35,219 INFO L168 Benchmark]: RCFGBuilder took 1460.31 ms. Allocated memory is still 164.6 MB. Free memory was 136.5 MB in the beginning and 119.9 MB in the end (delta: 16.6 MB). Peak memory consumption was 43.3 MB. Max. memory is 8.0 GB. [2020-11-06 22:34:35,220 INFO L168 Benchmark]: TraceAbstraction took 16450.64 ms. Allocated memory was 164.6 MB in the beginning and 348.1 MB in the end (delta: 183.5 MB). Free memory was 119.9 MB in the beginning and 144.8 MB in the end (delta: -24.9 MB). Peak memory consumption was 185.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:34:35,226 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 125.8 MB. Free memory was 103.0 MB in the beginning and 102.9 MB in the end (delta: 66.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 780.16 ms. Allocated memory is still 164.6 MB. Free memory was 138.6 MB in the beginning and 141.6 MB in the end (delta: -3.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 172.42 ms. Allocated memory is still 164.6 MB. Free memory was 141.6 MB in the beginning and 136.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1460.31 ms. Allocated memory is still 164.6 MB. Free memory was 136.5 MB in the beginning and 119.9 MB in the end (delta: 16.6 MB). Peak memory consumption was 43.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16450.64 ms. Allocated memory was 164.6 MB in the beginning and 348.1 MB in the end (delta: 183.5 MB). Free memory was 119.9 MB in the beginning and 144.8 MB in the end (delta: -24.9 MB). Peak memory consumption was 185.9 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: 585]: Loop Invariant Derived loop invariant: (((((!(\old(a16) <= 5) || !(15 <= \old(a8))) || !(\old(a20) == 1)) || a20 == 1) || a16 == 4) || 15 <= a8) || ((a16 <= 5 && !(a8 == 13)) && a17 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.6s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 377 SDtfs, 1589 SDslu, 207 SDs, 0 SdLazy, 4364 SolverSat, 842 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 678 GetRequests, 631 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2015occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 569 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 137 PreInvPairs, 175 NumberOfFragments, 327 HoareAnnotationTreeSize, 137 FomulaSimplifications, 24216 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3028 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1498 NumberOfCodeBlocks, 1498 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1490 ConstructedInterpolants, 0 QuantifiedInterpolants, 664728 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1669 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 437/453 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...