/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 --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 03:40:16,961 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 03:40:17,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 03:40:17,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 03:40:17,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 03:40:17,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 03:40:17,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 03:40:17,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 03:40:17,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 03:40:17,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 03:40:17,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 03:40:17,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 03:40:17,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 03:40:17,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 03:40:17,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 03:40:17,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 03:40:17,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 03:40:17,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 03:40:17,044 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 [2020-07-20 03:40:17,081 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 03:40:17,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 03:40:17,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 03:40:17,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 03:40:17,083 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 03:40:17,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 03:40:17,083 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 03:40:17,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 03:40:17,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 03:40:17,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 03:40:17,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 03:40:17,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 03:40:17,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 03:40:17,086 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 03:40:17,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 03:40:17,087 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 03:40:17,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 03:40:17,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 03:40:17,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 03:40:17,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 03:40:17,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 03:40:17,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 03:40:17,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 03:40:17,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 03:40:17,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 03:40:17,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 03:40:17,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 03:40:17,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 03:40:17,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 03:40:17,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 03:40:17,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 03:40:17,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 03:40:17,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 03:40:17,381 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 03:40:17,381 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 03:40:17,382 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2020-07-20 03:40:17,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c81240f4/371df558e3964d0196862b992c4c24af/FLAG1af4c5ddc [2020-07-20 03:40:17,992 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 03:40:17,993 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2020-07-20 03:40:18,006 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c81240f4/371df558e3964d0196862b992c4c24af/FLAG1af4c5ddc [2020-07-20 03:40:18,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c81240f4/371df558e3964d0196862b992c4c24af [2020-07-20 03:40:18,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 03:40:18,285 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 03:40:18,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 03:40:18,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 03:40:18,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 03:40:18,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:40:18" (1/1) ... [2020-07-20 03:40:18,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66856996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:18, skipping insertion in model container [2020-07-20 03:40:18,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:40:18" (1/1) ... [2020-07-20 03:40:18,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 03:40:18,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 03:40:18,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:40:18,773 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 03:40:18,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:40:19,010 INFO L208 MainTranslator]: Completed translation [2020-07-20 03:40:19,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:19 WrapperNode [2020-07-20 03:40:19,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 03:40:19,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 03:40:19,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 03:40:19,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 03:40:19,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:19" (1/1) ... [2020-07-20 03:40:19,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:19" (1/1) ... [2020-07-20 03:40:19,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:19" (1/1) ... [2020-07-20 03:40:19,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:19" (1/1) ... [2020-07-20 03:40:19,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:19" (1/1) ... [2020-07-20 03:40:19,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:19" (1/1) ... [2020-07-20 03:40:19,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:19" (1/1) ... [2020-07-20 03:40:19,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 03:40:19,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 03:40:19,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 03:40:19,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 03:40:19,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:19" (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 [2020-07-20 03:40:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 03:40:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 03:40:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 03:40:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 03:40:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 03:40:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 03:40:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 03:40:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 03:40:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 03:40:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 03:40:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 03:40:20,238 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 03:40:20,238 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 03:40:20,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:40:20 BoogieIcfgContainer [2020-07-20 03:40:20,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 03:40:20,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 03:40:20,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 03:40:20,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 03:40:20,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:40:18" (1/3) ... [2020-07-20 03:40:20,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f854e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:40:20, skipping insertion in model container [2020-07-20 03:40:20,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:40:19" (2/3) ... [2020-07-20 03:40:20,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f854e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:40:20, skipping insertion in model container [2020-07-20 03:40:20,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:40:20" (3/3) ... [2020-07-20 03:40:20,253 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label05.c [2020-07-20 03:40:20,263 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 03:40:20,270 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 03:40:20,284 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 03:40:20,309 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 03:40:20,309 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 03:40:20,309 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 03:40:20,310 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 03:40:20,310 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 03:40:20,310 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 03:40:20,310 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 03:40:20,310 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 03:40:20,333 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-20 03:40:20,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-20 03:40:20,344 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:40:20,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:40:20,345 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:40:20,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:40:20,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1904695938, now seen corresponding path program 1 times [2020-07-20 03:40:20,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:40:20,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309982872] [2020-07-20 03:40:20,361 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7e34d03c [2020-07-20 03:40:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:20,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:40:20,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309982872] [2020-07-20 03:40:20,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:40:20,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 03:40:20,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726544723] [2020-07-20 03:40:20,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 03:40:20,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:40:20,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 03:40:20,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:40:20,898 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-20 03:40:22,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:40:22,284 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-07-20 03:40:22,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 03:40:22,286 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2020-07-20 03:40:22,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:40:22,302 INFO L225 Difference]: With dead ends: 557 [2020-07-20 03:40:22,302 INFO L226 Difference]: Without dead ends: 286 [2020-07-20 03:40:22,308 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 [2020-07-20 03:40:22,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-20 03:40:22,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-07-20 03:40:22,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-20 03:40:22,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-07-20 03:40:22,379 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 100 [2020-07-20 03:40:22,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:40:22,380 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-07-20 03:40:22,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 03:40:22,380 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-07-20 03:40:22,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-20 03:40:22,386 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:40:22,386 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:40:22,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 03:40:22,387 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:40:22,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:40:22,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1236531093, now seen corresponding path program 1 times [2020-07-20 03:40:22,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:40:22,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751940690] [2020-07-20 03:40:22,388 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7e34d03c [2020-07-20 03:40:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:40:22,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751940690] [2020-07-20 03:40:22,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:40:22,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 03:40:22,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100126519] [2020-07-20 03:40:22,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 03:40:22,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:40:22,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 03:40:22,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:40:22,611 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 8 states. [2020-07-20 03:40:23,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:40:23,967 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-07-20 03:40:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 03:40:23,970 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 110 [2020-07-20 03:40:23,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:40:23,978 INFO L225 Difference]: With dead ends: 713 [2020-07-20 03:40:23,978 INFO L226 Difference]: Without dead ends: 439 [2020-07-20 03:40:23,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-20 03:40:23,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-07-20 03:40:24,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-07-20 03:40:24,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-07-20 03:40:24,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-07-20 03:40:24,045 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 110 [2020-07-20 03:40:24,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:40:24,047 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-07-20 03:40:24,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 03:40:24,047 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-07-20 03:40:24,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-20 03:40:24,054 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:40:24,060 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:40:24,061 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 03:40:24,061 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:40:24,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:40:24,061 INFO L82 PathProgramCache]: Analyzing trace with hash 235879383, now seen corresponding path program 1 times [2020-07-20 03:40:24,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:40:24,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844239440] [2020-07-20 03:40:24,062 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7e34d03c [2020-07-20 03:40:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:24,354 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:40:24,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844239440] [2020-07-20 03:40:24,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197287701] [2020-07-20 03:40:24,355 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15d50564 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 [2020-07-20 03:40:24,525 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@15d50564 issued 4 check-sat command(s) [2020-07-20 03:40:24,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:40:24,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 03:40:24,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:40:24,588 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:40:24,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:40:24,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-07-20 03:40:24,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347114893] [2020-07-20 03:40:24,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:40:24,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:40:24,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:40:24,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:40:24,591 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2020-07-20 03:40:25,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:40:25,103 INFO L93 Difference]: Finished difference Result 1247 states and 1787 transitions. [2020-07-20 03:40:25,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:40:25,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-07-20 03:40:25,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:40:25,109 INFO L225 Difference]: With dead ends: 1247 [2020-07-20 03:40:25,109 INFO L226 Difference]: Without dead ends: 832 [2020-07-20 03:40:25,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:40:25,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-07-20 03:40:25,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2020-07-20 03:40:25,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-07-20 03:40:25,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1144 transitions. [2020-07-20 03:40:25,146 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1144 transitions. Word has length 111 [2020-07-20 03:40:25,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:40:25,147 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1144 transitions. [2020-07-20 03:40:25,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:40:25,147 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1144 transitions. [2020-07-20 03:40:25,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-07-20 03:40:25,151 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:40:25,151 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:40:25,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-20 03:40:25,366 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:40:25,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:40:25,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1258087941, now seen corresponding path program 1 times [2020-07-20 03:40:25,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:40:25,367 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207617168] [2020-07-20 03:40:25,367 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7e34d03c [2020-07-20 03:40:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:25,522 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:40:25,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207617168] [2020-07-20 03:40:25,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:40:25,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 03:40:25,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3779239] [2020-07-20 03:40:25,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 03:40:25,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:40:25,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 03:40:25,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:40:25,525 INFO L87 Difference]: Start difference. First operand 832 states and 1144 transitions. Second operand 8 states. [2020-07-20 03:40:27,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:40:27,412 INFO L93 Difference]: Finished difference Result 2808 states and 4147 transitions. [2020-07-20 03:40:27,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 03:40:27,413 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 125 [2020-07-20 03:40:27,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:40:27,428 INFO L225 Difference]: With dead ends: 2808 [2020-07-20 03:40:27,428 INFO L226 Difference]: Without dead ends: 1982 [2020-07-20 03:40:27,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-07-20 03:40:27,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2020-07-20 03:40:27,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1543. [2020-07-20 03:40:27,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1543 states. [2020-07-20 03:40:27,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2052 transitions. [2020-07-20 03:40:27,540 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2052 transitions. Word has length 125 [2020-07-20 03:40:27,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:40:27,540 INFO L479 AbstractCegarLoop]: Abstraction has 1543 states and 2052 transitions. [2020-07-20 03:40:27,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 03:40:27,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2052 transitions. [2020-07-20 03:40:27,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-20 03:40:27,546 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:40:27,546 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:40:27,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 03:40:27,547 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:40:27,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:40:27,547 INFO L82 PathProgramCache]: Analyzing trace with hash -676972618, now seen corresponding path program 1 times [2020-07-20 03:40:27,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:40:27,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422677426] [2020-07-20 03:40:27,549 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7e34d03c [2020-07-20 03:40:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:27,774 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:40:27,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422677426] [2020-07-20 03:40:27,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788237716] [2020-07-20 03:40:27,775 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@19f363df 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 [2020-07-20 03:40:27,890 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@19f363df issued 4 check-sat command(s) [2020-07-20 03:40:27,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:40:27,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 03:40:27,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:40:27,935 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:40:27,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:40:27,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-07-20 03:40:27,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459104964] [2020-07-20 03:40:27,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 03:40:27,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:40:27,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 03:40:27,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:40:27,938 INFO L87 Difference]: Start difference. First operand 1543 states and 2052 transitions. Second operand 8 states. [2020-07-20 03:40:29,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:40:29,281 INFO L93 Difference]: Finished difference Result 3541 states and 4910 transitions. [2020-07-20 03:40:29,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 03:40:29,282 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-07-20 03:40:29,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:40:29,294 INFO L225 Difference]: With dead ends: 3541 [2020-07-20 03:40:29,294 INFO L226 Difference]: Without dead ends: 2004 [2020-07-20 03:40:29,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-20 03:40:29,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2020-07-20 03:40:29,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1684. [2020-07-20 03:40:29,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2020-07-20 03:40:29,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2237 transitions. [2020-07-20 03:40:29,369 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2237 transitions. Word has length 142 [2020-07-20 03:40:29,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:40:29,370 INFO L479 AbstractCegarLoop]: Abstraction has 1684 states and 2237 transitions. [2020-07-20 03:40:29,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 03:40:29,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2237 transitions. [2020-07-20 03:40:29,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-20 03:40:29,375 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:40:29,375 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:40:29,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:40:29,589 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:40:29,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:40:29,590 INFO L82 PathProgramCache]: Analyzing trace with hash 809347390, now seen corresponding path program 1 times [2020-07-20 03:40:29,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:40:29,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192326297] [2020-07-20 03:40:29,592 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7e34d03c [2020-07-20 03:40:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:29,785 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:40:29,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192326297] [2020-07-20 03:40:29,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763736409] [2020-07-20 03:40:29,786 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4307790a No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:40:29,941 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4307790a issued 4 check-sat command(s) [2020-07-20 03:40:29,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:40:29,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 03:40:29,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:40:30,101 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 03:40:30,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:40:30,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2020-07-20 03:40:30,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396579805] [2020-07-20 03:40:30,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 03:40:30,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:40:30,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 03:40:30,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-20 03:40:30,103 INFO L87 Difference]: Start difference. First operand 1684 states and 2237 transitions. Second operand 9 states. [2020-07-20 03:40:32,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:40:32,428 INFO L93 Difference]: Finished difference Result 3992 states and 5524 transitions. [2020-07-20 03:40:32,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-20 03:40:32,428 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 146 [2020-07-20 03:40:32,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:40:32,440 INFO L225 Difference]: With dead ends: 3992 [2020-07-20 03:40:32,440 INFO L226 Difference]: Without dead ends: 2314 [2020-07-20 03:40:32,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2020-07-20 03:40:32,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2020-07-20 03:40:32,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 1708. [2020-07-20 03:40:32,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1708 states. [2020-07-20 03:40:32,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2121 transitions. [2020-07-20 03:40:32,511 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2121 transitions. Word has length 146 [2020-07-20 03:40:32,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:40:32,512 INFO L479 AbstractCegarLoop]: Abstraction has 1708 states and 2121 transitions. [2020-07-20 03:40:32,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 03:40:32,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2121 transitions. [2020-07-20 03:40:32,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-20 03:40:32,517 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:40:32,517 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:40:32,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:40:32,731 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:40:32,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:40:32,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1440991952, now seen corresponding path program 1 times [2020-07-20 03:40:32,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:40:32,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243407450] [2020-07-20 03:40:32,733 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7e34d03c [2020-07-20 03:40:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:32,922 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:40:32,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243407450] [2020-07-20 03:40:32,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334242492] [2020-07-20 03:40:32,923 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@70b2cd04 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 [2020-07-20 03:40:33,192 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@70b2cd04 issued 4 check-sat command(s) [2020-07-20 03:40:33,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:40:33,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 03:40:33,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:40:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-20 03:40:33,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:40:33,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2020-07-20 03:40:33,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501556635] [2020-07-20 03:40:33,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 03:40:33,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:40:33,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 03:40:33,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-20 03:40:33,310 INFO L87 Difference]: Start difference. First operand 1708 states and 2121 transitions. Second operand 9 states. [2020-07-20 03:40:36,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:40:36,238 INFO L93 Difference]: Finished difference Result 5639 states and 7677 transitions. [2020-07-20 03:40:36,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-20 03:40:36,242 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 166 [2020-07-20 03:40:36,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:40:36,274 INFO L225 Difference]: With dead ends: 5639 [2020-07-20 03:40:36,274 INFO L226 Difference]: Without dead ends: 3937 [2020-07-20 03:40:36,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2020-07-20 03:40:36,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3937 states. [2020-07-20 03:40:36,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3937 to 3299. [2020-07-20 03:40:36,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3299 states. [2020-07-20 03:40:36,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 4179 transitions. [2020-07-20 03:40:36,456 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 4179 transitions. Word has length 166 [2020-07-20 03:40:36,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:40:36,457 INFO L479 AbstractCegarLoop]: Abstraction has 3299 states and 4179 transitions. [2020-07-20 03:40:36,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 03:40:36,457 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 4179 transitions. [2020-07-20 03:40:36,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-07-20 03:40:36,473 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:40:36,473 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:40:36,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:40:36,687 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:40:36,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:40:36,687 INFO L82 PathProgramCache]: Analyzing trace with hash -648776304, now seen corresponding path program 1 times [2020-07-20 03:40:36,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:40:36,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656437111] [2020-07-20 03:40:36,690 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7e34d03c [2020-07-20 03:40:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:40:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 108 proven. 26 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-20 03:40:37,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656437111] [2020-07-20 03:40:37,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030019857] [2020-07-20 03:40:37,051 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2f19481c No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:40:37,311 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2f19481c issued 4 check-sat command(s) [2020-07-20 03:40:37,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:40:37,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 03:40:37,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:40:37,385 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 86 proven. 54 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-07-20 03:40:37,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:40:37,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2020-07-20 03:40:37,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309909129] [2020-07-20 03:40:37,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 03:40:37,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:40:37,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 03:40:37,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-20 03:40:37,387 INFO L87 Difference]: Start difference. First operand 3299 states and 4179 transitions. Second operand 9 states. [2020-07-20 03:40:40,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:40:40,956 INFO L93 Difference]: Finished difference Result 6832 states and 8795 transitions. [2020-07-20 03:40:40,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-20 03:40:40,956 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-07-20 03:40:40,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:40:40,957 INFO L225 Difference]: With dead ends: 6832 [2020-07-20 03:40:40,957 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 03:40:40,970 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2020-07-20 03:40:40,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 03:40:40,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 03:40:40,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 03:40:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 03:40:40,971 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2020-07-20 03:40:40,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:40:40,972 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 03:40:40,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 03:40:40,972 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 03:40:40,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 03:40:41,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:40:41,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 03:40:41,968 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 217 [2020-07-20 03:40:42,251 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 217 [2020-07-20 03:40:43,626 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 186 DAG size of output: 71 [2020-07-20 03:40:44,604 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 66 [2020-07-20 03:40:45,549 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 66 [2020-07-20 03:40:45,554 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:40:45,554 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~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)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-20 03:40:45,554 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:40:45,554 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-20 03:40:45,555 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-20 03:40:45,555 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,555 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,555 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,555 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,556 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,556 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,556 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-20 03:40:45,556 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-20 03:40:45,557 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-20 03:40:45,557 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-20 03:40:45,557 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-20 03:40:45,557 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 03:40:45,557 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-20 03:40:45,557 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-20 03:40:45,557 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-20 03:40:45,557 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-20 03:40:45,558 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,558 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,558 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,558 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,558 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,558 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,558 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-20 03:40:45,558 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-20 03:40:45,558 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-20 03:40:45,558 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-20 03:40:45,559 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-20 03:40:45,559 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-20 03:40:45,559 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-20 03:40:45,559 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-20 03:40:45,559 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-20 03:40:45,559 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-20 03:40:45,559 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-20 03:40:45,559 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2020-07-20 03:40:45,559 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-20 03:40:45,559 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-20 03:40:45,559 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-20 03:40:45,560 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-20 03:40:45,560 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,560 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,560 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,560 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,560 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,560 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-20 03:40:45,560 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-20 03:40:45,560 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-20 03:40:45,560 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-20 03:40:45,560 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-20 03:40:45,561 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-20 03:40:45,561 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-20 03:40:45,561 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-20 03:40:45,561 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-20 03:40:45,561 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,561 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,561 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,561 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,561 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,561 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-20 03:40:45,561 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 03:40:45,562 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-20 03:40:45,562 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-20 03:40:45,562 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-20 03:40:45,562 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 03:40:45,562 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-20 03:40:45,562 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-20 03:40:45,562 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-20 03:40:45,562 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-20 03:40:45,562 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-20 03:40:45,563 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-20 03:40:45,563 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-20 03:40:45,563 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,563 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,563 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,563 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,563 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,563 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-20 03:40:45,564 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-20 03:40:45,564 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-20 03:40:45,564 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-20 03:40:45,564 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-20 03:40:45,564 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-20 03:40:45,564 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 03:40:45,564 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-20 03:40:45,564 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-20 03:40:45,564 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,564 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,564 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,564 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,565 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,565 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,565 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-20 03:40:45,565 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,565 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-20 03:40:45,565 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-20 03:40:45,565 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-20 03:40:45,565 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-20 03:40:45,565 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 03:40:45,565 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 03:40:45,565 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-20 03:40:45,565 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-20 03:40:45,565 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-20 03:40:45,566 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-20 03:40:45,566 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-20 03:40:45,566 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-20 03:40:45,566 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-20 03:40:45,566 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,566 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,566 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,566 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,566 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,567 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-20 03:40:45,567 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-20 03:40:45,567 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-20 03:40:45,567 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 03:40:45,567 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 03:40:45,567 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 03:40:45,567 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-20 03:40:45,567 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-20 03:40:45,567 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,568 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,568 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,568 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,568 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,568 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-20 03:40:45,568 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-20 03:40:45,568 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-20 03:40:45,568 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-20 03:40:45,569 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-20 03:40:45,569 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-20 03:40:45,569 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-20 03:40:45,569 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 03:40:45,569 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-20 03:40:45,569 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-20 03:40:45,570 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse13 (= ~a7~0 |old(~a7~0)|)) (.cse14 (= ~a17~0 |old(~a17~0)|)) (.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse16 (= ~a8~0 |old(~a8~0)|)) (.cse17 (= 1 ~a21~0)) (.cse18 (= ~a20~0 |old(~a20~0)|))) (let ((.cse4 (= 13 |old(~a8~0)|)) (.cse10 (not (= 1 |old(~a7~0)|))) (.cse9 (not (<= 15 |old(~a8~0)|))) (.cse6 (and .cse13 .cse14 .cse15 .cse16 .cse17 .cse18)) (.cse0 (not (<= |old(~a21~0)| 0))) (.cse1 (not (<= |old(~a16~0)| 5))) (.cse2 (not (= 1 |old(~a17~0)|))) (.cse3 (and .cse13 .cse14 .cse15 .cse16 .cse18 (= ~a21~0 |old(~a21~0)|))) (.cse11 (not (= 1 |old(~a20~0)|))) (.cse5 (not (<= |old(~a7~0)| 0))) (.cse12 (not (<= 5 |old(~a16~0)|))) (.cse7 (not (= 1 |old(~a21~0)|))) (.cse8 (not (<= |old(~a17~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse2 .cse7) (or .cse5 .cse1 .cse6 .cse7 .cse8) (or .cse9 .cse5 .cse6 .cse7 .cse8) (or .cse4 .cse10 .cse6 .cse1 .cse7 .cse8) (or .cse11 .cse10 .cse1 .cse6 .cse2 .cse7) (or .cse11 .cse0 .cse3 .cse8) (or .cse9 .cse5 .cse6 .cse2 .cse7) (or .cse0 .cse1 .cse3 .cse8) (or (and (or .cse11 .cse5 .cse2 .cse12 .cse7) (or .cse11 .cse5 .cse1 .cse2 .cse7)) .cse3) (or .cse11 .cse5 (and .cse13 .cse14 .cse15 .cse16 .cse17 (= 1 ~a20~0)) .cse12 .cse7 .cse8)))) [2020-07-20 03:40:45,570 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-20 03:40:45,570 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,570 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,570 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,570 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,570 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-20 03:40:45,570 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,570 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,570 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-20 03:40:45,570 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-20 03:40:45,571 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-20 03:40:45,571 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 03:40:45,571 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-20 03:40:45,571 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 03:40:45,571 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-20 03:40:45,571 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 03:40:45,571 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-20 03:40:45,571 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-20 03:40:45,571 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-20 03:40:45,571 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-20 03:40:45,571 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,571 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,571 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,571 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,572 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,572 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-20 03:40:45,572 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,572 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-20 03:40:45,572 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-20 03:40:45,572 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-20 03:40:45,572 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-20 03:40:45,572 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-20 03:40:45,572 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 03:40:45,572 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 03:40:45,572 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-20 03:40:45,572 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-20 03:40:45,572 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-20 03:40:45,572 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-20 03:40:45,572 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-20 03:40:45,573 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-20 03:40:45,573 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-20 03:40:45,573 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,573 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,573 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,573 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,573 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,573 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:40:45,573 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-20 03:40:45,573 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-20 03:40:45,573 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-20 03:40:45,573 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-20 03:40:45,573 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 03:40:45,573 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-20 03:40:45,574 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-20 03:40:45,574 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-20 03:40:45,574 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-20 03:40:45,574 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-20 03:40:45,574 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:40:45,574 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (= 1 ~a17~0) (<= ~a16~0 5) (<= 15 ~a8~0) (<= 5 ~a16~0) (= 1 ~a21~0) (= 1 ~a20~0)) [2020-07-20 03:40:45,574 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 03:40:45,574 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:40:45,574 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= 1 ~a21~0) (= 1 ~a20~0)) (not (= 1 |old(~a17~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a21~0)|))) [2020-07-20 03:40:45,574 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-20 03:40:45,574 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse2 (not (= 13 ~a8~0))) (.cse6 (= 1 ~a20~0)) (.cse8 (<= 5 ~a16~0)) (.cse10 (<= 15 ~a8~0)) (.cse1 (<= ~a17~0 0)) (.cse7 (<= ~a7~0 0)) (.cse4 (= 1 ~a21~0)) (.cse9 (<= ~a21~0 0)) (.cse3 (<= ~a16~0 5)) (.cse5 (= 1 ~a17~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse5 .cse4 .cse6) (not (<= |old(~a7~0)| 0)) (and .cse7 .cse8 .cse5 .cse4 .cse6) (not (= 1 |old(~a17~0)|)) (and .cse1 .cse7 .cse8 .cse4 .cse6) (not (<= 5 |old(~a16~0)|)) (and .cse7 .cse2 .cse3 .cse5 .cse4) (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and .cse9 .cse1 .cse3) (and .cse9 .cse1 .cse6) (not (<= |old(~a16~0)| 5)) (and .cse1 .cse7 .cse8 .cse10 .cse4) (and .cse7 .cse3 .cse5 .cse4 .cse6) (and .cse7 .cse5 .cse8 .cse10 .cse4) (and .cse1 .cse7 .cse3 .cse4) (not (= 1 |old(~a21~0)|)) (and .cse9 .cse3 .cse5))) [2020-07-20 03:40:45,575 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-20 03:40:45,575 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 03:40:45,575 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse2 (not (= 13 ~a8~0))) (.cse6 (= 1 ~a20~0)) (.cse8 (<= 5 ~a16~0)) (.cse10 (<= 15 ~a8~0)) (.cse1 (<= ~a17~0 0)) (.cse7 (<= ~a7~0 0)) (.cse4 (= 1 ~a21~0)) (.cse9 (<= ~a21~0 0)) (.cse3 (<= ~a16~0 5)) (.cse5 (= 1 ~a17~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse5 .cse4 .cse6) (not (<= |old(~a7~0)| 0)) (and .cse7 .cse8 .cse5 .cse4 .cse6) (not (= 1 |old(~a17~0)|)) (and .cse1 .cse7 .cse8 .cse4 .cse6) (not (<= 5 |old(~a16~0)|)) (and .cse7 .cse2 .cse3 .cse5 .cse4) (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and .cse9 .cse1 .cse3) (and .cse9 .cse1 .cse6) (not (<= |old(~a16~0)| 5)) (and .cse1 .cse7 .cse8 .cse10 .cse4) (and .cse7 .cse3 .cse5 .cse4 .cse6) (and .cse7 .cse5 .cse8 .cse10 .cse4) (and .cse1 .cse7 .cse3 .cse4) (not (= 1 |old(~a21~0)|)) (and .cse9 .cse3 .cse5))) [2020-07-20 03:40:45,575 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-20 03:40:45,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 03:40:45 BoogieIcfgContainer [2020-07-20 03:40:45,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 03:40:45,597 INFO L168 Benchmark]: Toolchain (without parser) took 27313.07 ms. Allocated memory was 138.9 MB in the beginning and 578.3 MB in the end (delta: 439.4 MB). Free memory was 101.0 MB in the beginning and 194.9 MB in the end (delta: -93.8 MB). Peak memory consumption was 456.8 MB. Max. memory is 7.1 GB. [2020-07-20 03:40:45,598 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 03:40:45,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.79 ms. Allocated memory was 138.9 MB in the beginning and 206.0 MB in the end (delta: 67.1 MB). Free memory was 100.6 MB in the beginning and 172.8 MB in the end (delta: -72.1 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. [2020-07-20 03:40:45,599 INFO L168 Benchmark]: Boogie Preprocessor took 94.43 ms. Allocated memory is still 206.0 MB. Free memory was 172.8 MB in the beginning and 167.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-20 03:40:45,600 INFO L168 Benchmark]: RCFGBuilder took 1138.67 ms. Allocated memory was 206.0 MB in the beginning and 239.6 MB in the end (delta: 33.6 MB). Free memory was 167.1 MB in the beginning and 182.3 MB in the end (delta: -15.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-07-20 03:40:45,601 INFO L168 Benchmark]: TraceAbstraction took 25349.12 ms. Allocated memory was 239.6 MB in the beginning and 578.3 MB in the end (delta: 338.7 MB). Free memory was 182.3 MB in the beginning and 194.9 MB in the end (delta: -12.6 MB). Peak memory consumption was 437.3 MB. Max. memory is 7.1 GB. [2020-07-20 03:40:45,605 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 724.79 ms. Allocated memory was 138.9 MB in the beginning and 206.0 MB in the end (delta: 67.1 MB). Free memory was 100.6 MB in the beginning and 172.8 MB in the end (delta: -72.1 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.43 ms. Allocated memory is still 206.0 MB. Free memory was 172.8 MB in the beginning and 167.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1138.67 ms. Allocated memory was 206.0 MB in the beginning and 239.6 MB in the end (delta: 33.6 MB). Free memory was 167.1 MB in the beginning and 182.3 MB in the end (delta: -15.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25349.12 ms. Allocated memory was 239.6 MB in the beginning and 578.3 MB in the end (delta: 338.7 MB). Free memory was 182.3 MB in the beginning and 194.9 MB in the end (delta: -12.6 MB). Peak memory consumption was 437.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((((1 == a7 && a17 <= 0) && !(13 == a8)) && a16 <= 5) && 1 == a21) || ((((1 == a7 && a16 <= 5) && 1 == a17) && 1 == a21) && 1 == a20)) || !(\old(a7) <= 0)) || ((((a7 <= 0 && 5 <= a16) && 1 == a17) && 1 == a21) && 1 == a20)) || !(1 == \old(a17))) || ((((a17 <= 0 && a7 <= 0) && 5 <= a16) && 1 == a21) && 1 == a20)) || !(5 <= \old(a16))) || ((((a7 <= 0 && !(13 == a8)) && a16 <= 5) && 1 == a17) && 1 == a21)) || !(1 == \old(a20))) || !(15 <= \old(a8))) || ((a21 <= 0 && a17 <= 0) && a16 <= 5)) || ((a21 <= 0 && a17 <= 0) && 1 == a20)) || !(\old(a16) <= 5)) || ((((a17 <= 0 && a7 <= 0) && 5 <= a16) && 15 <= a8) && 1 == a21)) || ((((a7 <= 0 && a16 <= 5) && 1 == a17) && 1 == a21) && 1 == a20)) || ((((a7 <= 0 && 1 == a17) && 5 <= a16) && 15 <= a8) && 1 == a21)) || (((a17 <= 0 && a7 <= 0) && a16 <= 5) && 1 == a21)) || !(1 == \old(a21))) || ((a21 <= 0 && a16 <= 5) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.8s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 15.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 273 SDtfs, 4431 SDslu, 442 SDs, 0 SdLazy, 9044 SolverSat, 1875 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 943 GetRequests, 831 SyntacticMatches, 1 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3299occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 2027 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 108 PreInvPairs, 172 NumberOfFragments, 959 HoareAnnotationTreeSize, 108 FomulaSimplifications, 289512 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 29901 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1873 NumberOfCodeBlocks, 1873 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1860 ConstructedInterpolants, 0 QuantifiedInterpolants, 702450 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2249 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 565/735 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...