/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_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:30:19,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:30:19,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:30:19,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:30:19,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:30:19,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:30:19,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:30:19,108 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 18:30:19,171 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:30:19,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:30:19,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:30:19,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:30:19,177 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:30:19,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:30:19,178 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:30:19,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:30:19,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:30:19,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:30:19,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:30:19,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:30:19,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:30:19,182 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:30:19,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:30:19,183 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:30:19,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:30:19,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:30:19,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:30:19,185 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:30:19,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:30:19,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:30:19,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:30:19,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:30:19,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:30:19,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:30:19,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:30:19,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:30:19,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:30:19,189 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:30:19,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:30:19,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:30:19,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:30:19,629 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:30:19,633 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:30:19,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2020-10-23 18:30:19,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce647270f/aaec90e5be3746c489d55432e16fa550/FLAG98f737af8 [2020-10-23 18:30:20,495 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:30:20,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2020-10-23 18:30:20,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce647270f/aaec90e5be3746c489d55432e16fa550/FLAG98f737af8 [2020-10-23 18:30:20,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce647270f/aaec90e5be3746c489d55432e16fa550 [2020-10-23 18:30:20,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:30:20,750 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:30:20,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:30:20,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:30:20,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:30:20,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:30:20" (1/1) ... [2020-10-23 18:30:20,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b49efc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:30:20, skipping insertion in model container [2020-10-23 18:30:20,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:30:20" (1/1) ... [2020-10-23 18:30:20,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:30:20,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:30:21,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:30:21,334 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:30:21,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:30:21,520 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:30:21,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:30:21 WrapperNode [2020-10-23 18:30:21,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:30:21,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:30:21,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:30:21,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:30:21,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:30:21" (1/1) ... [2020-10-23 18:30:21,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:30:21" (1/1) ... [2020-10-23 18:30:21,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:30:21" (1/1) ... [2020-10-23 18:30:21,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:30:21" (1/1) ... [2020-10-23 18:30:21,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:30:21" (1/1) ... [2020-10-23 18:30:21,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:30:21" (1/1) ... [2020-10-23 18:30:21,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:30:21" (1/1) ... [2020-10-23 18:30:21,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:30:21,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:30:21,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:30:21,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:30:21,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:30:21" (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 18:30:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:30:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:30:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:30:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:30:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:30:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:30:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:30:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:30:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:30:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:30:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:30:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:30:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:30:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:30:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:30:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:30:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:30:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:30:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:30:23,006 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:30:23,006 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:30:23,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:30:23 BoogieIcfgContainer [2020-10-23 18:30:23,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:30:23,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:30:23,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:30:23,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:30:23,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:30:20" (1/3) ... [2020-10-23 18:30:23,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b62e070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:30:23, skipping insertion in model container [2020-10-23 18:30:23,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:30:21" (2/3) ... [2020-10-23 18:30:23,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b62e070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:30:23, skipping insertion in model container [2020-10-23 18:30:23,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:30:23" (3/3) ... [2020-10-23 18:30:23,020 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label11.c [2020-10-23 18:30:23,035 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:30:23,042 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:30:23,058 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:30:23,088 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:30:23,089 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:30:23,089 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:30:23,089 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:30:23,089 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:30:23,089 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:30:23,089 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:30:23,090 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:30:23,112 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-23 18:30:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-23 18:30:23,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:30:23,126 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] [2020-10-23 18:30:23,127 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:30:23,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:30:23,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1780686751, now seen corresponding path program 1 times [2020-10-23 18:30:23,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:30:23,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032497327] [2020-10-23 18:30:23,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:30:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:23,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:30:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:23,887 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 18:30:23,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032497327] [2020-10-23 18:30:23,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:30:23,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:30:23,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329742637] [2020-10-23 18:30:23,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:30:23,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:30:23,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:30:23,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:30:23,938 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 5 states. [2020-10-23 18:30:26,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:30:26,800 INFO L93 Difference]: Finished difference Result 703 states and 1239 transitions. [2020-10-23 18:30:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 18:30:26,807 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2020-10-23 18:30:26,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:30:26,823 INFO L225 Difference]: With dead ends: 703 [2020-10-23 18:30:26,824 INFO L226 Difference]: Without dead ends: 424 [2020-10-23 18:30:26,832 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 [2020-10-23 18:30:26,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-10-23 18:30:26,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 418. [2020-10-23 18:30:26,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-10-23 18:30:26,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 604 transitions. [2020-10-23 18:30:26,944 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 604 transitions. Word has length 116 [2020-10-23 18:30:26,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:30:26,945 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 604 transitions. [2020-10-23 18:30:26,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:30:26,945 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 604 transitions. [2020-10-23 18:30:26,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-23 18:30:26,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:30:26,954 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:30:26,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:30:26,954 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:30:26,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:30:26,955 INFO L82 PathProgramCache]: Analyzing trace with hash -260704590, now seen corresponding path program 1 times [2020-10-23 18:30:26,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:30:26,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164284348] [2020-10-23 18:30:26,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:30:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:27,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:30:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:27,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:30:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:27,340 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:30:27,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164284348] [2020-10-23 18:30:27,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:30:27,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:30:27,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177485032] [2020-10-23 18:30:27,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:30:27,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:30:27,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:30:27,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:30:27,347 INFO L87 Difference]: Start difference. First operand 418 states and 604 transitions. Second operand 8 states. [2020-10-23 18:30:27,488 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-23 18:30:29,043 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-23 18:30:30,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:30:30,140 INFO L93 Difference]: Finished difference Result 1128 states and 1660 transitions. [2020-10-23 18:30:30,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-23 18:30:30,142 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 133 [2020-10-23 18:30:30,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:30:30,151 INFO L225 Difference]: With dead ends: 1128 [2020-10-23 18:30:30,151 INFO L226 Difference]: Without dead ends: 716 [2020-10-23 18:30:30,155 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:30:30,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-23 18:30:30,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 702. [2020-10-23 18:30:30,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-10-23 18:30:30,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 954 transitions. [2020-10-23 18:30:30,215 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 954 transitions. Word has length 133 [2020-10-23 18:30:30,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:30:30,215 INFO L481 AbstractCegarLoop]: Abstraction has 702 states and 954 transitions. [2020-10-23 18:30:30,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:30:30,216 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 954 transitions. [2020-10-23 18:30:30,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-23 18:30:30,221 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:30:30,222 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2020-10-23 18:30:30,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:30:30,222 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:30:30,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:30:30,223 INFO L82 PathProgramCache]: Analyzing trace with hash 384561400, now seen corresponding path program 1 times [2020-10-23 18:30:30,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:30:30,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562446641] [2020-10-23 18:30:30,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:30:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:30,439 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-23 18:30:30,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:30:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:30,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:30:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:30,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 18:30:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:30,608 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 18:30:30,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562446641] [2020-10-23 18:30:30,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595977485] [2020-10-23 18:30:30,610 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 18:30:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:30,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-23 18:30:30,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:30:31,021 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-23 18:30:31,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:30:31,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2020-10-23 18:30:31,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406846155] [2020-10-23 18:30:31,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:30:31,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:30:31,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:30:31,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:30:31,024 INFO L87 Difference]: Start difference. First operand 702 states and 954 transitions. Second operand 5 states. [2020-10-23 18:30:32,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:30:32,197 INFO L93 Difference]: Finished difference Result 1847 states and 2641 transitions. [2020-10-23 18:30:32,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 18:30:32,198 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-10-23 18:30:32,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:30:32,219 INFO L225 Difference]: With dead ends: 1847 [2020-10-23 18:30:32,220 INFO L226 Difference]: Without dead ends: 1151 [2020-10-23 18:30:32,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-10-23 18:30:32,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2020-10-23 18:30:32,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1121. [2020-10-23 18:30:32,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1121 states. [2020-10-23 18:30:32,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1524 transitions. [2020-10-23 18:30:32,337 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1524 transitions. Word has length 143 [2020-10-23 18:30:32,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:30:32,337 INFO L481 AbstractCegarLoop]: Abstraction has 1121 states and 1524 transitions. [2020-10-23 18:30:32,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:30:32,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1524 transitions. [2020-10-23 18:30:32,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-23 18:30:32,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:30:32,349 INFO L422 BasicCegarLoop]: trace histogram [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 18:30:32,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-23 18:30:32,564 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:30:32,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:30:32,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1910166315, now seen corresponding path program 1 times [2020-10-23 18:30:32,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:30:32,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4629930] [2020-10-23 18:30:32,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:30:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:32,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:30:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:32,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:30:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:32,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 18:30:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:32,911 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:30:32,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4629930] [2020-10-23 18:30:32,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294649807] [2020-10-23 18:30:32,913 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 18:30:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:33,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:30:33,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:30:33,323 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-23 18:30:33,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:30:33,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:30:33,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426754314] [2020-10-23 18:30:33,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:30:33,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:30:33,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:30:33,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:30:33,326 INFO L87 Difference]: Start difference. First operand 1121 states and 1524 transitions. Second operand 3 states. [2020-10-23 18:30:34,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:30:34,074 INFO L93 Difference]: Finished difference Result 3201 states and 4429 transitions. [2020-10-23 18:30:34,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:30:34,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2020-10-23 18:30:34,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:30:34,089 INFO L225 Difference]: With dead ends: 3201 [2020-10-23 18:30:34,090 INFO L226 Difference]: Without dead ends: 2086 [2020-10-23 18:30:34,093 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:30:34,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states. [2020-10-23 18:30:34,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 1677. [2020-10-23 18:30:34,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1677 states. [2020-10-23 18:30:34,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1677 states and 2244 transitions. [2020-10-23 18:30:34,182 INFO L78 Accepts]: Start accepts. Automaton has 1677 states and 2244 transitions. Word has length 144 [2020-10-23 18:30:34,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:30:34,185 INFO L481 AbstractCegarLoop]: Abstraction has 1677 states and 2244 transitions. [2020-10-23 18:30:34,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:30:34,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 2244 transitions. [2020-10-23 18:30:34,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-23 18:30:34,191 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:30:34,191 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:30:34,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:30:34,406 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:30:34,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:30:34,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1237628952, now seen corresponding path program 1 times [2020-10-23 18:30:34,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:30:34,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879954721] [2020-10-23 18:30:34,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:30:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:34,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:30:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:34,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:30:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:34,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 18:30:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:34,710 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:30:34,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879954721] [2020-10-23 18:30:34,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78732208] [2020-10-23 18:30:34,711 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 18:30:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:34,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:30:34,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:30:34,918 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-23 18:30:34,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:30:34,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-10-23 18:30:34,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013480664] [2020-10-23 18:30:34,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:30:34,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:30:34,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:30:34,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:30:34,926 INFO L87 Difference]: Start difference. First operand 1677 states and 2244 transitions. Second operand 3 states. [2020-10-23 18:30:35,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:30:35,617 INFO L93 Difference]: Finished difference Result 4174 states and 5679 transitions. [2020-10-23 18:30:35,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:30:35,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-10-23 18:30:35,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:30:35,633 INFO L225 Difference]: With dead ends: 4174 [2020-10-23 18:30:35,634 INFO L226 Difference]: Without dead ends: 2503 [2020-10-23 18:30:35,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 165 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 18:30:35,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2020-10-23 18:30:35,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 2366. [2020-10-23 18:30:35,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2366 states. [2020-10-23 18:30:35,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 3113 transitions. [2020-10-23 18:30:35,739 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 3113 transitions. Word has length 161 [2020-10-23 18:30:35,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:30:35,741 INFO L481 AbstractCegarLoop]: Abstraction has 2366 states and 3113 transitions. [2020-10-23 18:30:35,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:30:35,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 3113 transitions. [2020-10-23 18:30:35,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-23 18:30:35,750 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:30:35,750 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:30:35,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:30:35,965 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:30:35,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:30:35,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1842879267, now seen corresponding path program 1 times [2020-10-23 18:30:35,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:30:35,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908039805] [2020-10-23 18:30:35,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:30:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:36,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:30:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:36,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:30:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:36,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 18:30:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:36,317 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-23 18:30:36,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908039805] [2020-10-23 18:30:36,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897065289] [2020-10-23 18:30:36,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:30:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:30:36,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:30:36,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:30:36,534 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-23 18:30:36,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:30:36,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-10-23 18:30:36,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803512546] [2020-10-23 18:30:36,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:30:36,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:30:36,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:30:36,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:30:36,538 INFO L87 Difference]: Start difference. First operand 2366 states and 3113 transitions. Second operand 3 states. [2020-10-23 18:30:37,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:30:37,253 INFO L93 Difference]: Finished difference Result 6375 states and 8547 transitions. [2020-10-23 18:30:37,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:30:37,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2020-10-23 18:30:37,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:30:37,255 INFO L225 Difference]: With dead ends: 6375 [2020-10-23 18:30:37,256 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:30:37,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 176 SyntacticMatches, 1 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 18:30:37,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:30:37,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:30:37,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:30:37,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:30:37,270 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2020-10-23 18:30:37,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:30:37,270 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:30:37,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:30:37,270 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:30:37,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:30:37,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:30:37,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:30:38,133 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 35 [2020-10-23 18:30:39,022 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 41 [2020-10-23 18:30:39,288 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-10-23 18:30:39,531 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 20 [2020-10-23 18:30:39,535 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:30:39,535 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:30:39,535 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:30:39,535 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:30:39,536 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:30:39,538 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~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|) (= |old(#NULL.base)| |#NULL.base|) (= |#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)|) (= ~y~0 |old(~y~0)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |old(#t~string7.base)| |#t~string7.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-23 18:30:39,539 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:30:39,539 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,539 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,539 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,539 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,539 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,539 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,539 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-23 18:30:39,540 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-23 18:30:39,540 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-23 18:30:39,540 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-23 18:30:39,540 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-23 18:30:39,540 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-23 18:30:39,540 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-23 18:30:39,542 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-23 18:30:39,543 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-23 18:30:39,543 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-23 18:30:39,543 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-23 18:30:39,543 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-23 18:30:39,543 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,543 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,544 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,544 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,544 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,544 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,545 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-23 18:30:39,547 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-23 18:30:39,548 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-23 18:30:39,548 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-23 18:30:39,548 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-23 18:30:39,548 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-23 18:30:39,548 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-23 18:30:39,548 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-23 18:30:39,548 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-23 18:30:39,548 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-23 18:30:39,548 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,548 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,549 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,549 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,549 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,549 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,549 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-23 18:30:39,549 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-23 18:30:39,549 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-23 18:30:39,549 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-23 18:30:39,550 INFO L270 CegarLoopResult]: At program point L505(line 505) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a16~0)| 5)))) (and (or (not (<= |old(~a7~0)| 0)) .cse0) (or .cse0 (not (<= |old(~a20~0)| 0))) (= 14 |old(~a8~0)|) (or (not (<= 5 |old(~a16~0)|)) .cse0))) [2020-10-23 18:30:39,550 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-23 18:30:39,550 INFO L274 CegarLoopResult]: For program point L505-1(line 505) no Hoare annotation was computed. [2020-10-23 18:30:39,550 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-23 18:30:39,550 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-23 18:30:39,550 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-23 18:30:39,550 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-23 18:30:39,551 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-23 18:30:39,551 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-23 18:30:39,551 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-23 18:30:39,557 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-23 18:30:39,557 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-23 18:30:39,557 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,557 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,558 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,558 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,558 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,560 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-23 18:30:39,561 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-23 18:30:39,561 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-23 18:30:39,561 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-23 18:30:39,561 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-23 18:30:39,561 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-23 18:30:39,561 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-23 18:30:39,561 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-23 18:30:39,561 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-23 18:30:39,562 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,562 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,562 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,562 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,562 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,562 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-23 18:30:39,562 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-23 18:30:39,562 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-23 18:30:39,562 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-23 18:30:39,562 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-23 18:30:39,563 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-23 18:30:39,563 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-23 18:30:39,563 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-23 18:30:39,563 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-23 18:30:39,563 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-23 18:30:39,563 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-23 18:30:39,563 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-23 18:30:39,563 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-23 18:30:39,563 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,563 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,564 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,564 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,564 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,568 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-23 18:30:39,568 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-23 18:30:39,569 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-23 18:30:39,569 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,569 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,569 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-23 18:30:39,569 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-23 18:30:39,569 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-23 18:30:39,569 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-23 18:30:39,570 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-23 18:30:39,570 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-23 18:30:39,570 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,570 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,570 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,570 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,570 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-23 18:30:39,570 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,570 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-23 18:30:39,571 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-23 18:30:39,571 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-23 18:30:39,573 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-23 18:30:39,573 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-23 18:30:39,573 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-23 18:30:39,574 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-23 18:30:39,574 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-23 18:30:39,574 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-23 18:30:39,574 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-23 18:30:39,574 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-23 18:30:39,574 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-23 18:30:39,574 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-23 18:30:39,575 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,575 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,575 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,575 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,575 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,575 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-23 18:30:39,575 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-23 18:30:39,575 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-23 18:30:39,576 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-23 18:30:39,576 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-23 18:30:39,576 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-23 18:30:39,576 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-23 18:30:39,576 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-23 18:30:39,576 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,576 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,577 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a21~0 |old(~a21~0)|)) (.cse5 (= ~a20~0 |old(~a20~0)|)) (.cse6 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (not (<= |old(~a16~0)| 5))) (.cse1 (and .cse2 .cse3 .cse4 .cse5 (= ~a16~0 |old(~a16~0)|) .cse6))) (and (or (not (<= |old(~a7~0)| 0)) .cse0 .cse1) (or (not (<= 5 |old(~a16~0)|)) .cse0 (and .cse2 .cse3 (<= ~a16~0 |old(~a16~0)|) .cse4 .cse5 .cse6 (<= 5 ~a16~0))) (or .cse1 (= 14 |old(~a8~0)|)) (or .cse0 .cse1 (not (<= |old(~a20~0)| 0)))))) [2020-10-23 18:30:39,577 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,577 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,577 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,577 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-23 18:30:39,577 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-23 18:30:39,577 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-23 18:30:39,578 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-23 18:30:39,578 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-23 18:30:39,578 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-23 18:30:39,578 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-23 18:30:39,578 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-23 18:30:39,578 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-23 18:30:39,578 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-23 18:30:39,578 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-23 18:30:39,578 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,579 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,579 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,579 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,579 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-23 18:30:39,579 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,579 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,579 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-23 18:30:39,579 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-23 18:30:39,579 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-23 18:30:39,579 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-23 18:30:39,579 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-23 18:30:39,580 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-23 18:30:39,580 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-23 18:30:39,580 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-23 18:30:39,580 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-23 18:30:39,580 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-23 18:30:39,580 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-23 18:30:39,580 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-23 18:30:39,580 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,580 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,581 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,581 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,581 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,581 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-23 18:30:39,581 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-23 18:30:39,581 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-23 18:30:39,581 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-23 18:30:39,581 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-23 18:30:39,581 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-23 18:30:39,581 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-23 18:30:39,582 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-23 18:30:39,582 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-23 18:30:39,582 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-23 18:30:39,582 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-23 18:30:39,582 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-23 18:30:39,582 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-23 18:30:39,582 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-23 18:30:39,582 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-23 18:30:39,582 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-23 18:30:39,582 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:30:39,583 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (<= ~a7~0 0) (<= 5 ~a16~0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-10-23 18:30:39,583 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:30:39,583 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:30:39,583 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (<= ~a16~0 |old(~a16~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (<= 5 ~a16~0))) [2020-10-23 18:30:39,583 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-23 18:30:39,583 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 5))) (or (and .cse0 (<= 5 ~a16~0)) (not (= |old(~a17~0)| 1)) (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= 14 ~a8~0)) (and .cse0 (<= ~a20~0 0)) (and .cse0 (<= ~a7~0 0)))) [2020-10-23 18:30:39,583 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-23 18:30:39,584 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-23 18:30:39,584 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 5))) (or (and .cse0 (<= 5 ~a16~0)) (not (= |old(~a17~0)| 1)) (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= 14 ~a8~0)) (and .cse0 (<= ~a20~0 0)) (and .cse0 (<= ~a7~0 0)))) [2020-10-23 18:30:39,584 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-23 18:30:39,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:30:39 BoogieIcfgContainer [2020-10-23 18:30:39,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:30:39,624 INFO L168 Benchmark]: Toolchain (without parser) took 18868.66 ms. Allocated memory was 125.8 MB in the beginning and 335.5 MB in the end (delta: 209.7 MB). Free memory was 99.7 MB in the beginning and 271.6 MB in the end (delta: -171.9 MB). Peak memory consumption was 199.3 MB. Max. memory is 8.0 GB. [2020-10-23 18:30:39,624 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 125.8 MB. Free memory was 100.5 MB in the beginning and 100.4 MB in the end (delta: 65.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:30:39,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.90 ms. Allocated memory was 125.8 MB in the beginning and 154.1 MB in the end (delta: 28.3 MB). Free memory was 99.0 MB in the beginning and 131.8 MB in the end (delta: -32.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 8.0 GB. [2020-10-23 18:30:39,627 INFO L168 Benchmark]: Boogie Preprocessor took 145.24 ms. Allocated memory is still 154.1 MB. Free memory was 131.8 MB in the beginning and 127.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:30:39,627 INFO L168 Benchmark]: RCFGBuilder took 1337.28 ms. Allocated memory is still 154.1 MB. Free memory was 126.6 MB in the beginning and 131.9 MB in the end (delta: -5.3 MB). Peak memory consumption was 59.8 MB. Max. memory is 8.0 GB. [2020-10-23 18:30:39,632 INFO L168 Benchmark]: TraceAbstraction took 16601.98 ms. Allocated memory was 154.1 MB in the beginning and 335.5 MB in the end (delta: 181.4 MB). Free memory was 131.4 MB in the beginning and 271.6 MB in the end (delta: -140.2 MB). Peak memory consumption was 202.1 MB. Max. memory is 8.0 GB. [2020-10-23 18:30:39,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 125.8 MB. Free memory was 100.5 MB in the beginning and 100.4 MB in the end (delta: 65.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 768.90 ms. Allocated memory was 125.8 MB in the beginning and 154.1 MB in the end (delta: 28.3 MB). Free memory was 99.0 MB in the beginning and 131.8 MB in the end (delta: -32.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 145.24 ms. Allocated memory is still 154.1 MB. Free memory was 131.8 MB in the beginning and 127.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1337.28 ms. Allocated memory is still 154.1 MB. Free memory was 126.6 MB in the beginning and 131.9 MB in the end (delta: -5.3 MB). Peak memory consumption was 59.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16601.98 ms. Allocated memory was 154.1 MB in the beginning and 335.5 MB in the end (delta: 181.4 MB). Free memory was 131.4 MB in the beginning and 271.6 MB in the end (delta: -140.2 MB). Peak memory consumption was 202.1 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: ((((((((a16 <= 5 && 5 <= a16) || !(\old(a17) == 1)) || !(5 <= \old(a16))) || !(\old(a7) <= 0)) || !(\old(a16) <= 5)) || !(15 <= \old(a8))) || !(14 == a8)) || (a16 <= 5 && a20 <= 0)) || (a16 <= 5 && a7 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.3s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 403 SDtfs, 1945 SDslu, 152 SDs, 0 SdLazy, 3466 SolverSat, 827 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 687 GetRequests, 638 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2366occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 596 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 162 PreInvPairs, 220 NumberOfFragments, 383 HoareAnnotationTreeSize, 162 FomulaSimplifications, 20478 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4289 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1489 NumberOfCodeBlocks, 1489 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1479 ConstructedInterpolants, 0 QuantifiedInterpolants, 595930 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2041 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 353/364 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...