/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:25:03,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:25:03,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:25:03,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 11:25:03,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 11:25:03,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 11:25:03,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 11:25:03,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 11:25:03,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 11:25:03,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 11:25:03,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 11:25:03,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 11:25:03,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:25:03,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:25:03,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:25:03,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:25:03,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:25:03,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:25:03,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:25:03,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:25:03,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:25:03,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:25:03,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:25:03,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:25:03,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 11:25:03,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 11:25:03,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 11:25:03,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 11:25:03,791 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 [2020-07-07 11:25:03,824 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:25:03,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:25:03,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:25:03,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:25:03,826 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:25:03,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:25:03,827 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:25:03,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:25:03,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:25:03,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:25:03,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:25:03,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:25:03,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:25:03,828 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:25:03,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:25:03,828 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:25:03,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:25:03,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:25:03,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:25:03,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:25:03,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:25:03,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:25:03,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:25:03,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:25:03,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:25:03,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:25:03,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:25:03,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:25:03,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:25:03,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:25:04,164 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:25:04,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:25:04,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:25:04,183 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:25:04,183 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:25:04,184 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label19.c [2020-07-07 11:25:04,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1d1b5976/f52c1b89bf0f4195b1429363128c2b88/FLAG16db04c3a [2020-07-07 11:25:04,829 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:25:04,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label19.c [2020-07-07 11:25:04,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1d1b5976/f52c1b89bf0f4195b1429363128c2b88/FLAG16db04c3a [2020-07-07 11:25:05,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1d1b5976/f52c1b89bf0f4195b1429363128c2b88 [2020-07-07 11:25:05,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:25:05,066 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:25:05,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:25:05,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:25:05,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:25:05,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:25:05" (1/1) ... [2020-07-07 11:25:05,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4386dceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:05, skipping insertion in model container [2020-07-07 11:25:05,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:25:05" (1/1) ... [2020-07-07 11:25:05,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:25:05,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:25:05,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:25:05,538 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:25:05,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:25:05,791 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:25:05,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:05 WrapperNode [2020-07-07 11:25:05,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:25:05,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:25:05,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:25:05,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:25:05,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:05" (1/1) ... [2020-07-07 11:25:05,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:05" (1/1) ... [2020-07-07 11:25:05,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:05" (1/1) ... [2020-07-07 11:25:05,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:05" (1/1) ... [2020-07-07 11:25:05,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:05" (1/1) ... [2020-07-07 11:25:05,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:05" (1/1) ... [2020-07-07 11:25:05,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:05" (1/1) ... [2020-07-07 11:25:05,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:25:05,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:25:05,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:25:05,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:25:05,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:05" (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 [2020-07-07 11:25:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:25:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:25:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 11:25:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:25:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 11:25:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:25:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:25:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 11:25:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:25:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:25:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:25:07,229 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:25:07,229 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:25:07,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:25:07 BoogieIcfgContainer [2020-07-07 11:25:07,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:25:07,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:25:07,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:25:07,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:25:07,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:25:05" (1/3) ... [2020-07-07 11:25:07,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e156764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:25:07, skipping insertion in model container [2020-07-07 11:25:07,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:25:05" (2/3) ... [2020-07-07 11:25:07,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e156764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:25:07, skipping insertion in model container [2020-07-07 11:25:07,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:25:07" (3/3) ... [2020-07-07 11:25:07,258 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label19.c [2020-07-07 11:25:07,269 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:25:07,281 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:25:07,295 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:25:07,332 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:25:07,332 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:25:07,332 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:25:07,332 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:25:07,333 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:25:07,333 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:25:07,333 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:25:07,333 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:25:07,362 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-07 11:25:07,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-07 11:25:07,378 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:07,379 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] [2020-07-07 11:25:07,380 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:07,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:07,385 INFO L82 PathProgramCache]: Analyzing trace with hash 797442718, now seen corresponding path program 1 times [2020-07-07 11:25:07,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:07,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769058912] [2020-07-07 11:25:07,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:07,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:25:07,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769058912] [2020-07-07 11:25:07,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:25:07,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 11:25:07,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256427203] [2020-07-07 11:25:07,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:25:07,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:07,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:25:07,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:25:07,927 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-07 11:25:09,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:09,599 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-07-07 11:25:09,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 11:25:09,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-07-07 11:25:09,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:09,637 INFO L225 Difference]: With dead ends: 627 [2020-07-07 11:25:09,637 INFO L226 Difference]: Without dead ends: 327 [2020-07-07 11:25:09,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-07 11:25:09,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-07-07 11:25:09,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-07-07 11:25:09,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-07 11:25:09,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-07-07 11:25:09,739 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 98 [2020-07-07 11:25:09,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:09,742 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-07-07 11:25:09,742 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:25:09,743 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-07-07 11:25:09,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-07 11:25:09,752 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:09,752 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-07 11:25:09,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:25:09,753 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:09,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:09,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1720377347, now seen corresponding path program 1 times [2020-07-07 11:25:09,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:09,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652721446] [2020-07-07 11:25:09,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:09,952 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:25:09,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652721446] [2020-07-07 11:25:09,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:25:09,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 11:25:09,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105183185] [2020-07-07 11:25:09,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:25:09,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:09,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:25:09,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:25:09,956 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 9 states. [2020-07-07 11:25:12,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:12,135 INFO L93 Difference]: Finished difference Result 1102 states and 1690 transitions. [2020-07-07 11:25:12,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 11:25:12,136 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 113 [2020-07-07 11:25:12,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:12,144 INFO L225 Difference]: With dead ends: 1102 [2020-07-07 11:25:12,144 INFO L226 Difference]: Without dead ends: 789 [2020-07-07 11:25:12,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-07 11:25:12,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-07-07 11:25:12,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 772. [2020-07-07 11:25:12,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-07-07 11:25:12,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1127 transitions. [2020-07-07 11:25:12,201 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1127 transitions. Word has length 113 [2020-07-07 11:25:12,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:12,202 INFO L479 AbstractCegarLoop]: Abstraction has 772 states and 1127 transitions. [2020-07-07 11:25:12,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:25:12,202 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1127 transitions. [2020-07-07 11:25:12,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-07 11:25:12,207 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:12,208 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-07 11:25:12,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 11:25:12,208 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:12,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:12,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1091985480, now seen corresponding path program 1 times [2020-07-07 11:25:12,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:12,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636623800] [2020-07-07 11:25:12,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-07 11:25:12,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636623800] [2020-07-07 11:25:12,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49446167] [2020-07-07 11:25:12,434 INFO L94 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 [2020-07-07 11:25:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:12,569 INFO L264 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:25:12,579 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:25:12,660 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:25:12,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:25:12,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2020-07-07 11:25:12,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371121452] [2020-07-07 11:25:12,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 11:25:12,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:12,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 11:25:12,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-07-07 11:25:12,663 INFO L87 Difference]: Start difference. First operand 772 states and 1127 transitions. Second operand 12 states. [2020-07-07 11:25:14,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:14,222 INFO L93 Difference]: Finished difference Result 1395 states and 2061 transitions. [2020-07-07 11:25:14,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 11:25:14,222 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 121 [2020-07-07 11:25:14,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:14,227 INFO L225 Difference]: With dead ends: 1395 [2020-07-07 11:25:14,227 INFO L226 Difference]: Without dead ends: 629 [2020-07-07 11:25:14,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2020-07-07 11:25:14,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2020-07-07 11:25:14,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 611. [2020-07-07 11:25:14,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-07-07 11:25:14,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 865 transitions. [2020-07-07 11:25:14,265 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 865 transitions. Word has length 121 [2020-07-07 11:25:14,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:14,265 INFO L479 AbstractCegarLoop]: Abstraction has 611 states and 865 transitions. [2020-07-07 11:25:14,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 11:25:14,266 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 865 transitions. [2020-07-07 11:25:14,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-07 11:25:14,270 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:14,270 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-07 11:25:14,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-07 11:25:14,484 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:14,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:14,485 INFO L82 PathProgramCache]: Analyzing trace with hash -540211274, now seen corresponding path program 1 times [2020-07-07 11:25:14,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:14,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523677412] [2020-07-07 11:25:14,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:14,659 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:25:14,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523677412] [2020-07-07 11:25:14,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:25:14,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 11:25:14,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711062325] [2020-07-07 11:25:14,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:25:14,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:14,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:25:14,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:25:14,662 INFO L87 Difference]: Start difference. First operand 611 states and 865 transitions. Second operand 9 states. [2020-07-07 11:25:16,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:16,357 INFO L93 Difference]: Finished difference Result 2304 states and 3399 transitions. [2020-07-07 11:25:16,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 11:25:16,358 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 120 [2020-07-07 11:25:16,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:16,370 INFO L225 Difference]: With dead ends: 2304 [2020-07-07 11:25:16,371 INFO L226 Difference]: Without dead ends: 1699 [2020-07-07 11:25:16,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-07 11:25:16,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2020-07-07 11:25:16,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1219. [2020-07-07 11:25:16,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1219 states. [2020-07-07 11:25:16,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1679 transitions. [2020-07-07 11:25:16,465 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1679 transitions. Word has length 120 [2020-07-07 11:25:16,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:16,466 INFO L479 AbstractCegarLoop]: Abstraction has 1219 states and 1679 transitions. [2020-07-07 11:25:16,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:25:16,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1679 transitions. [2020-07-07 11:25:16,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-07-07 11:25:16,471 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:16,471 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:25:16,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 11:25:16,472 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:16,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:16,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1255105582, now seen corresponding path program 1 times [2020-07-07 11:25:16,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:16,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719711297] [2020-07-07 11:25:16,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:25:16,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719711297] [2020-07-07 11:25:16,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967915125] [2020-07-07 11:25:16,709 INFO L94 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 [2020-07-07 11:25:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:16,787 INFO L264 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-07 11:25:16,792 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:25:16,837 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:25:16,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:25:16,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-07-07 11:25:16,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377474830] [2020-07-07 11:25:16,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:25:16,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:16,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:25:16,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:25:16,840 INFO L87 Difference]: Start difference. First operand 1219 states and 1679 transitions. Second operand 5 states. [2020-07-07 11:25:17,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:17,575 INFO L93 Difference]: Finished difference Result 3536 states and 5143 transitions. [2020-07-07 11:25:17,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 11:25:17,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-07-07 11:25:17,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:17,592 INFO L225 Difference]: With dead ends: 3536 [2020-07-07 11:25:17,593 INFO L226 Difference]: Without dead ends: 2323 [2020-07-07 11:25:17,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-07 11:25:17,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2323 states. [2020-07-07 11:25:17,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2323 to 2145. [2020-07-07 11:25:17,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2145 states. [2020-07-07 11:25:17,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2893 transitions. [2020-07-07 11:25:17,683 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2893 transitions. Word has length 124 [2020-07-07 11:25:17,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:17,683 INFO L479 AbstractCegarLoop]: Abstraction has 2145 states and 2893 transitions. [2020-07-07 11:25:17,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:25:17,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2893 transitions. [2020-07-07 11:25:17,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-07 11:25:17,691 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:17,691 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:25:17,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:25:17,907 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:17,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:17,908 INFO L82 PathProgramCache]: Analyzing trace with hash -570592108, now seen corresponding path program 1 times [2020-07-07 11:25:17,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:17,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509836001] [2020-07-07 11:25:17,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:18,071 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:25:18,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509836001] [2020-07-07 11:25:18,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:25:18,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 11:25:18,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321303960] [2020-07-07 11:25:18,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:25:18,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:18,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:25:18,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:25:18,074 INFO L87 Difference]: Start difference. First operand 2145 states and 2893 transitions. Second operand 9 states. [2020-07-07 11:25:19,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:19,991 INFO L93 Difference]: Finished difference Result 6216 states and 8625 transitions. [2020-07-07 11:25:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 11:25:19,992 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 133 [2020-07-07 11:25:19,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:20,011 INFO L225 Difference]: With dead ends: 6216 [2020-07-07 11:25:20,011 INFO L226 Difference]: Without dead ends: 4077 [2020-07-07 11:25:20,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-07 11:25:20,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4077 states. [2020-07-07 11:25:20,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4077 to 3777. [2020-07-07 11:25:20,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3777 states. [2020-07-07 11:25:20,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3777 states to 3777 states and 4676 transitions. [2020-07-07 11:25:20,127 INFO L78 Accepts]: Start accepts. Automaton has 3777 states and 4676 transitions. Word has length 133 [2020-07-07 11:25:20,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:20,127 INFO L479 AbstractCegarLoop]: Abstraction has 3777 states and 4676 transitions. [2020-07-07 11:25:20,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:25:20,128 INFO L276 IsEmpty]: Start isEmpty. Operand 3777 states and 4676 transitions. [2020-07-07 11:25:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-07 11:25:20,136 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:20,137 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 11:25:20,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 11:25:20,137 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:20,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:20,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1254253877, now seen corresponding path program 1 times [2020-07-07 11:25:20,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:20,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664971868] [2020-07-07 11:25:20,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:20,300 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:25:20,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664971868] [2020-07-07 11:25:20,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965689537] [2020-07-07 11:25:20,301 INFO L94 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 [2020-07-07 11:25:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:20,405 INFO L264 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-07 11:25:20,411 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:25:20,445 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:25:20,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:25:20,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 8 [2020-07-07 11:25:20,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703540763] [2020-07-07 11:25:20,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 11:25:20,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:20,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 11:25:20,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-07-07 11:25:20,449 INFO L87 Difference]: Start difference. First operand 3777 states and 4676 transitions. Second operand 8 states. [2020-07-07 11:25:22,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:22,601 INFO L93 Difference]: Finished difference Result 6879 states and 8466 transitions. [2020-07-07 11:25:22,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 11:25:22,601 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2020-07-07 11:25:22,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:22,617 INFO L225 Difference]: With dead ends: 6879 [2020-07-07 11:25:22,617 INFO L226 Difference]: Without dead ends: 2941 [2020-07-07 11:25:22,626 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-07-07 11:25:22,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2941 states. [2020-07-07 11:25:22,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2941 to 2910. [2020-07-07 11:25:22,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2910 states. [2020-07-07 11:25:22,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 2910 states and 3370 transitions. [2020-07-07 11:25:22,704 INFO L78 Accepts]: Start accepts. Automaton has 2910 states and 3370 transitions. Word has length 146 [2020-07-07 11:25:22,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:22,705 INFO L479 AbstractCegarLoop]: Abstraction has 2910 states and 3370 transitions. [2020-07-07 11:25:22,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 11:25:22,705 INFO L276 IsEmpty]: Start isEmpty. Operand 2910 states and 3370 transitions. [2020-07-07 11:25:22,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-07 11:25:22,715 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:22,715 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-07 11:25:22,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:25:22,931 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:22,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:22,932 INFO L82 PathProgramCache]: Analyzing trace with hash -686446993, now seen corresponding path program 1 times [2020-07-07 11:25:22,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:22,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10387286] [2020-07-07 11:25:22,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:23,213 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 83 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-07 11:25:23,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10387286] [2020-07-07 11:25:23,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026064244] [2020-07-07 11:25:23,214 INFO L94 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 [2020-07-07 11:25:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:23,318 INFO L264 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:25:23,326 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:25:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-07 11:25:23,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:25:23,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2020-07-07 11:25:23,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950414049] [2020-07-07 11:25:23,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 11:25:23,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:23,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 11:25:23,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-07-07 11:25:23,400 INFO L87 Difference]: Start difference. First operand 2910 states and 3370 transitions. Second operand 12 states. [2020-07-07 11:25:26,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:26,395 INFO L93 Difference]: Finished difference Result 6242 states and 7382 transitions. [2020-07-07 11:25:26,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 11:25:26,403 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 159 [2020-07-07 11:25:26,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:26,416 INFO L225 Difference]: With dead ends: 6242 [2020-07-07 11:25:26,416 INFO L226 Difference]: Without dead ends: 3342 [2020-07-07 11:25:26,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2020-07-07 11:25:26,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3342 states. [2020-07-07 11:25:26,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3342 to 3044. [2020-07-07 11:25:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3044 states. [2020-07-07 11:25:26,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 3425 transitions. [2020-07-07 11:25:26,500 INFO L78 Accepts]: Start accepts. Automaton has 3044 states and 3425 transitions. Word has length 159 [2020-07-07 11:25:26,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:26,500 INFO L479 AbstractCegarLoop]: Abstraction has 3044 states and 3425 transitions. [2020-07-07 11:25:26,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 11:25:26,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 3425 transitions. [2020-07-07 11:25:26,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-07-07 11:25:26,510 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:26,510 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-07 11:25:26,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:25:26,726 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:26,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:26,727 INFO L82 PathProgramCache]: Analyzing trace with hash 884199043, now seen corresponding path program 1 times [2020-07-07 11:25:26,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:26,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100582482] [2020-07-07 11:25:26,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:27,073 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 113 proven. 25 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-07 11:25:27,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100582482] [2020-07-07 11:25:27,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640137027] [2020-07-07 11:25:27,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:25:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:27,186 INFO L264 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:25:27,191 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:25:27,235 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-07 11:25:27,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:25:27,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-07 11:25:27,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938951270] [2020-07-07 11:25:27,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:25:27,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:27,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:25:27,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:25:27,237 INFO L87 Difference]: Start difference. First operand 3044 states and 3425 transitions. Second operand 11 states. [2020-07-07 11:25:29,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:29,408 INFO L93 Difference]: Finished difference Result 6708 states and 7683 transitions. [2020-07-07 11:25:29,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-07 11:25:29,409 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 210 [2020-07-07 11:25:29,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:29,419 INFO L225 Difference]: With dead ends: 6708 [2020-07-07 11:25:29,420 INFO L226 Difference]: Without dead ends: 2718 [2020-07-07 11:25:29,429 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2020-07-07 11:25:29,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2718 states. [2020-07-07 11:25:29,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2718 to 2540. [2020-07-07 11:25:29,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2540 states. [2020-07-07 11:25:29,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2540 states and 2678 transitions. [2020-07-07 11:25:29,492 INFO L78 Accepts]: Start accepts. Automaton has 2540 states and 2678 transitions. Word has length 210 [2020-07-07 11:25:29,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:29,492 INFO L479 AbstractCegarLoop]: Abstraction has 2540 states and 2678 transitions. [2020-07-07 11:25:29,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:25:29,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 2678 transitions. [2020-07-07 11:25:29,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-07-07 11:25:29,500 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:25:29,500 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:25:29,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:25:29,717 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:25:29,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:25:29,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1962742350, now seen corresponding path program 1 times [2020-07-07 11:25:29,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:25:29,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381252868] [2020-07-07 11:25:29,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:25:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:30,005 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 136 proven. 3 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-07-07 11:25:30,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381252868] [2020-07-07 11:25:30,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716808248] [2020-07-07 11:25:30,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:25:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:25:30,143 INFO L264 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-07 11:25:30,148 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:25:30,203 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-07-07 11:25:30,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:25:30,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-07-07 11:25:30,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575769039] [2020-07-07 11:25:30,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:25:30,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:25:30,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:25:30,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:25:30,209 INFO L87 Difference]: Start difference. First operand 2540 states and 2678 transitions. Second operand 3 states. [2020-07-07 11:25:30,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:25:30,619 INFO L93 Difference]: Finished difference Result 3130 states and 3290 transitions. [2020-07-07 11:25:30,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:25:30,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2020-07-07 11:25:30,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:25:30,620 INFO L225 Difference]: With dead ends: 3130 [2020-07-07 11:25:30,620 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 11:25:30,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:25:30,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 11:25:30,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 11:25:30,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 11:25:30,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 11:25:30,626 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 240 [2020-07-07 11:25:30,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:25:30,626 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 11:25:30,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:25:30,627 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 11:25:30,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 11:25:30,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:25:30,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 11:25:31,311 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 141 [2020-07-07 11:25:31,466 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 141 [2020-07-07 11:25:32,830 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 158 DAG size of output: 75 [2020-07-07 11:25:33,708 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 63 [2020-07-07 11:25:34,587 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 63 [2020-07-07 11:25:34,592 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:25:34,592 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-07 11:25:34,592 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:25:34,593 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,593 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,593 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,593 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,594 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,594 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-07 11:25:34,594 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-07 11:25:34,594 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-07 11:25:34,594 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-07 11:25:34,595 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-07 11:25:34,595 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-07 11:25:34,595 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-07 11:25:34,595 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-07 11:25:34,595 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-07 11:25:34,595 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-07 11:25:34,595 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-07 11:25:34,595 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-07 11:25:34,595 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-07 11:25:34,595 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,595 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,595 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,596 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,596 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-07 11:25:34,596 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,596 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-07 11:25:34,596 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-07 11:25:34,596 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-07 11:25:34,596 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-07 11:25:34,596 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-07 11:25:34,596 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-07 11:25:34,596 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-07 11:25:34,596 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-07 11:25:34,597 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-07 11:25:34,597 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-07 11:25:34,597 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-07 11:25:34,597 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-07 11:25:34,597 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-07 11:25:34,597 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-07 11:25:34,597 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-07 11:25:34,597 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,597 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,598 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,598 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,598 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,598 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2020-07-07 11:25:34,598 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-07 11:25:34,598 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-07 11:25:34,598 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-07 11:25:34,599 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-07 11:25:34,599 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-07 11:25:34,599 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-07 11:25:34,599 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-07 11:25:34,599 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-07 11:25:34,599 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-07 11:25:34,599 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-07 11:25:34,599 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-07 11:25:34,599 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,600 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,600 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,600 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,600 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,600 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-07 11:25:34,600 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-07 11:25:34,600 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-07 11:25:34,600 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-07 11:25:34,601 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-07 11:25:34,601 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-07 11:25:34,601 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-07 11:25:34,601 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-07 11:25:34,601 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-07 11:25:34,601 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-07 11:25:34,601 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-07 11:25:34,601 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-07 11:25:34,602 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-07 11:25:34,602 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,602 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,602 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,602 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,602 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,602 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-07 11:25:34,602 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-07 11:25:34,602 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-07 11:25:34,603 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-07 11:25:34,603 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-07 11:25:34,603 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-07 11:25:34,603 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-07 11:25:34,603 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-07 11:25:34,603 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-07 11:25:34,603 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-07 11:25:34,603 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-07 11:25:34,603 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-07 11:25:34,603 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-07 11:25:34,604 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-07 11:25:34,604 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-07 11:25:34,604 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-07 11:25:34,604 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,604 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,604 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,604 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,604 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-07 11:25:34,604 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,605 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-07 11:25:34,605 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,605 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-07 11:25:34,605 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-07 11:25:34,605 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-07 11:25:34,605 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,605 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,605 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-07 11:25:34,606 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-07 11:25:34,606 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-07 11:25:34,606 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-07 11:25:34,606 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-07 11:25:34,606 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-07 11:25:34,606 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-07 11:25:34,606 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-07 11:25:34,606 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-07 11:25:34,606 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-07 11:25:34,607 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-07 11:25:34,607 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,607 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,607 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,607 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,607 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,607 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,607 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-07 11:25:34,607 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-07 11:25:34,608 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-07 11:25:34,608 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-07 11:25:34,608 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-07 11:25:34,608 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-07 11:25:34,608 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-07 11:25:34,608 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-07 11:25:34,608 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-07 11:25:34,608 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-07 11:25:34,608 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-07 11:25:34,609 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,609 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,609 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,609 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,609 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,609 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,609 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-07 11:25:34,609 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-07 11:25:34,609 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-07 11:25:34,610 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-07 11:25:34,610 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-07 11:25:34,610 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-07 11:25:34,610 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-07 11:25:34,610 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-07 11:25:34,610 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-07 11:25:34,610 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-07 11:25:34,610 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-07 11:25:34,610 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-07 11:25:34,610 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-07 11:25:34,611 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-07 11:25:34,611 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,611 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,611 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,611 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (= 1 ~a25~0)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse15 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse16 (= ~a25~0 |old(~a25~0)|))) (let ((.cse14 (not (<= 10 |old(~a28~0)|))) (.cse6 (= 8 ~a17~0)) (.cse8 (= |old(~a17~0)| |old(~a28~0)|)) (.cse20 (not (<= |old(~a17~0)| 7))) (.cse12 (= 11 |old(~a28~0)|)) (.cse19 (not (<= |old(~a28~0)| 7))) (.cse10 (and .cse3 (<= ~a17~0 8) .cse15 (<= ~a25~0 0) .cse4 .cse5 .cse16)) (.cse9 (not (<= |old(~a25~0)| 0))) (.cse11 (not (<= |old(~a17~0)| 8))) (.cse13 (not (= 1 |old(~a11~0)|))) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse1 (not (= 8 |old(~a17~0)|))) (.cse18 (and .cse3 .cse15 .cse5 .cse4 .cse7)) (.cse2 (not (= 1 |old(~a25~0)|))) (.cse17 (not (<= |old(~a11~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7) .cse8) (or .cse0 .cse9 .cse10 .cse8 .cse11 .cse12 .cse13) (or .cse0 .cse9 .cse10 .cse14 .cse11 .cse12) (or .cse0 .cse1 (and .cse3 .cse15 .cse5 .cse4 .cse16) .cse9 .cse12 .cse17) (or .cse1 .cse18 .cse2 .cse14 .cse12 .cse17) (or .cse1 .cse18 .cse19 .cse2 .cse17) (or .cse0 .cse19 .cse2 .cse20 (and (= 1 ~a11~0) .cse15 .cse4 .cse5 .cse7) .cse13) (or .cse10 .cse9 .cse8 .cse20 .cse11 .cse12) (or .cse1 .cse9 .cse12 (= 9 |old(~a28~0)|) .cse17 (and .cse3 .cse4 .cse5 .cse6 .cse16)) (or .cse2 .cse8 .cse20 (and .cse3 .cse15 .cse4 .cse5 .cse7) .cse12) (or .cse1 .cse19 .cse10 .cse9 .cse11 .cse13) (or .cse0 .cse1 .cse18 .cse2 .cse17)))) [2020-07-07 11:25:34,611 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,612 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,612 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,612 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-07 11:25:34,612 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-07 11:25:34,612 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-07 11:25:34,612 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-07 11:25:34,612 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-07 11:25:34,612 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-07 11:25:34,612 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-07 11:25:34,613 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-07 11:25:34,613 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-07 11:25:34,613 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-07 11:25:34,613 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-07 11:25:34,613 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-07 11:25:34,613 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-07 11:25:34,613 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,613 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,613 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,614 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,614 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,614 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,614 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-07 11:25:34,614 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-07 11:25:34,614 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-07 11:25:34,614 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-07 11:25:34,614 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-07 11:25:34,614 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-07 11:25:34,614 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-07 11:25:34,615 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-07 11:25:34,615 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-07 11:25:34,615 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-07 11:25:34,615 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-07 11:25:34,615 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-07 11:25:34,615 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-07 11:25:34,615 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-07 11:25:34,615 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-07 11:25:34,616 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-07 11:25:34,616 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,616 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,616 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,616 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,616 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:25:34,616 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-07 11:25:34,616 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-07 11:25:34,617 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-07 11:25:34,617 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-07 11:25:34,617 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-07 11:25:34,617 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-07 11:25:34,617 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-07 11:25:34,617 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-07 11:25:34,617 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-07 11:25:34,617 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-07 11:25:34,617 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-07 11:25:34,618 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-07 11:25:34,618 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-07 11:25:34,618 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-07 11:25:34,618 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-07 11:25:34,618 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-07 11:25:34,618 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-07 11:25:34,618 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-07 11:25:34,618 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-07 11:25:34,619 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:25:34,619 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a25~0 0) (= 8 ~a17~0) (<= ~a28~0 7)) [2020-07-07 11:25:34,619 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 11:25:34,619 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:25:34,619 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a28~0)| 7)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a11~0)| 0))) [2020-07-07 11:25:34,620 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (not (= ~a28~0 ~a17~0))) (.cse9 (<= ~a17~0 7)) (.cse0 (= 1 ~a19~0)) (.cse11 (<= 10 ~a28~0)) (.cse8 (= 1 ~a25~0)) (.cse2 (= 1 ~a11~0)) (.cse4 (<= ~a17~0 8)) (.cse10 (<= ~a28~0 7)) (.cse1 (not (= 11 ~a28~0))) (.cse6 (<= ~a11~0 0)) (.cse5 (<= ~a25~0 0)) (.cse7 (= 8 ~a17~0))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse5 .cse7) (and .cse0 .cse3 .cse7 .cse8) (and .cse1 .cse3 .cse9 .cse8) (not (<= |old(~a11~0)| 0)) (and .cse6 .cse7 .cse10 .cse8) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse2 .cse9 .cse10 .cse8) (and .cse0 .cse1 .cse4 .cse5 .cse11) (and .cse1 .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse6 .cse7 .cse8) (not (<= |old(~a25~0)| 0)) (and .cse6 .cse1 .cse11 .cse7 .cse8) (and .cse2 .cse4 (= ~a17~0 |old(~a17~0)|) .cse5 .cse10) (and .cse1 .cse6 .cse5 (not (= 9 ~a28~0)) .cse7))) [2020-07-07 11:25:34,620 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-07 11:25:34,620 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-07 11:25:34,620 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (not (= ~a28~0 ~a17~0))) (.cse9 (<= ~a17~0 7)) (.cse0 (= 1 ~a19~0)) (.cse11 (<= 10 ~a28~0)) (.cse8 (= 1 ~a25~0)) (.cse2 (= 1 ~a11~0)) (.cse4 (<= ~a17~0 8)) (.cse10 (<= ~a28~0 7)) (.cse1 (not (= 11 ~a28~0))) (.cse6 (<= ~a11~0 0)) (.cse5 (<= ~a25~0 0)) (.cse7 (= 8 ~a17~0))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse5 .cse7) (and .cse0 .cse3 .cse7 .cse8) (and .cse1 .cse3 .cse9 .cse8) (not (<= |old(~a11~0)| 0)) (and .cse6 .cse7 .cse10 .cse8) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse2 .cse9 .cse10 .cse8) (and .cse0 .cse1 .cse4 .cse5 .cse11) (and .cse1 .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse6 .cse7 .cse8) (not (<= |old(~a25~0)| 0)) (and .cse6 .cse1 .cse11 .cse7 .cse8) (and .cse2 .cse4 (= ~a17~0 |old(~a17~0)|) .cse5 .cse10) (and .cse1 .cse6 .cse5 (not (= 9 ~a28~0)) .cse7))) [2020-07-07 11:25:34,620 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-07 11:25:34,620 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-07 11:25:34,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:25:34 BoogieIcfgContainer [2020-07-07 11:25:34,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:25:34,645 INFO L168 Benchmark]: Toolchain (without parser) took 29578.65 ms. Allocated memory was 145.2 MB in the beginning and 582.5 MB in the end (delta: 437.3 MB). Free memory was 101.7 MB in the beginning and 234.3 MB in the end (delta: -132.6 MB). Peak memory consumption was 417.1 MB. Max. memory is 7.1 GB. [2020-07-07 11:25:34,646 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-07 11:25:34,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.18 ms. Allocated memory was 145.2 MB in the beginning and 205.5 MB in the end (delta: 60.3 MB). Free memory was 101.5 MB in the beginning and 172.5 MB in the end (delta: -71.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:25:34,647 INFO L168 Benchmark]: Boogie Preprocessor took 136.63 ms. Allocated memory is still 205.5 MB. Free memory was 172.5 MB in the beginning and 167.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:25:34,648 INFO L168 Benchmark]: RCFGBuilder took 1315.05 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 167.7 MB in the beginning and 182.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-07-07 11:25:34,649 INFO L168 Benchmark]: TraceAbstraction took 27396.55 ms. Allocated memory was 238.6 MB in the beginning and 582.5 MB in the end (delta: 343.9 MB). Free memory was 182.9 MB in the beginning and 234.3 MB in the end (delta: -51.4 MB). Peak memory consumption was 405.0 MB. Max. memory is 7.1 GB. [2020-07-07 11:25:34,652 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 725.18 ms. Allocated memory was 145.2 MB in the beginning and 205.5 MB in the end (delta: 60.3 MB). Free memory was 101.5 MB in the beginning and 172.5 MB in the end (delta: -71.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.63 ms. Allocated memory is still 205.5 MB. Free memory was 172.5 MB in the beginning and 167.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1315.05 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 167.7 MB in the beginning and 182.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27396.55 ms. Allocated memory was 238.6 MB in the beginning and 582.5 MB in the end (delta: 343.9 MB). Free memory was 182.9 MB in the beginning and 234.3 MB in the end (delta: -51.4 MB). Peak memory consumption was 405.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 448]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((((((!(1 == \old(a19)) || !(\old(a28) <= 7)) || (((((1 == a19 && !(11 == a28)) && 1 == a11) && !(a28 == a17)) && a17 <= 8) && a25 <= 0)) || ((((1 == a19 && !(11 == a28)) && a11 <= 0) && a25 <= 0) && 8 == a17)) || (((1 == a19 && !(a28 == a17)) && 8 == a17) && 1 == a25)) || (((!(11 == a28) && !(a28 == a17)) && a17 <= 7) && 1 == a25)) || !(\old(a11) <= 0)) || (((a11 <= 0 && 8 == a17) && a28 <= 7) && 1 == a25)) || !(8 == \old(a17))) || ((((1 == a19 && 1 == a11) && a17 <= 7) && a28 <= 7) && 1 == a25)) || ((((1 == a19 && !(11 == a28)) && a17 <= 8) && a25 <= 0) && 10 <= a28)) || ((((!(11 == a28) && !(a28 == a17)) && a17 <= 8) && a25 <= 0) && a17 <= 7)) || (((1 == a19 && a11 <= 0) && 8 == a17) && 1 == a25)) || !(\old(a25) <= 0)) || ((((a11 <= 0 && !(11 == a28)) && 10 <= a28) && 8 == a17) && 1 == a25)) || ((((1 == a11 && a17 <= 8) && a17 == \old(a17)) && a25 <= 0) && a28 <= 7)) || ((((!(11 == a28) && a11 <= 0) && a25 <= 0) && !(9 == a28)) && 8 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.5s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 17.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 508 SDtfs, 7829 SDslu, 565 SDs, 0 SdLazy, 10871 SolverSat, 2225 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1194 GetRequests, 1068 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3777occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 1508 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 134 PreInvPairs, 188 NumberOfFragments, 983 HoareAnnotationTreeSize, 134 FomulaSimplifications, 96293 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7700 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2464 NumberOfCodeBlocks, 2464 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2448 ConstructedInterpolants, 0 QuantifiedInterpolants, 1108123 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2623 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 1222/1271 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...