java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 21:57:29,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 21:57:29,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 21:57:29,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-14 21:57:29,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 21:57:29,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 21:57:29,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 21:57:29,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 21:57:29,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 21:57:29,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 21:57:29,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 21:57:29,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 21:57:29,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 21:57:29,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 21:57:29,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 21:57:29,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 21:57:29,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 21:57:29,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 21:57:29,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 21:57:29,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 21:57:29,181 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 [2019-10-14 21:57:29,214 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 21:57:29,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 21:57:29,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 21:57:29,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 21:57:29,216 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 21:57:29,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 21:57:29,217 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 21:57:29,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 21:57:29,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 21:57:29,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 21:57:29,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 21:57:29,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 21:57:29,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 21:57:29,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 21:57:29,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 21:57:29,223 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 21:57:29,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 21:57:29,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 21:57:29,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 21:57:29,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 21:57:29,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 21:57:29,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 21:57:29,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 21:57:29,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 21:57:29,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 21:57:29,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 21:57:29,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 21:57:29,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 21:57:29,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 21:57:29,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 21:57:29,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 21:57:29,548 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 21:57:29,549 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 21:57:29,550 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 21:57:29,551 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label35.c [2019-10-14 21:57:29,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91db283da/6ecd75f86d394ee686991d4421622859/FLAG3ba3afad8 [2019-10-14 21:57:30,242 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 21:57:30,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label35.c [2019-10-14 21:57:30,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91db283da/6ecd75f86d394ee686991d4421622859/FLAG3ba3afad8 [2019-10-14 21:57:30,448 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91db283da/6ecd75f86d394ee686991d4421622859 [2019-10-14 21:57:30,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 21:57:30,461 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 21:57:30,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 21:57:30,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 21:57:30,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 21:57:30,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:57:30" (1/1) ... [2019-10-14 21:57:30,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61791d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:30, skipping insertion in model container [2019-10-14 21:57:30,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:57:30" (1/1) ... [2019-10-14 21:57:30,478 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 21:57:30,535 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 21:57:30,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:57:30,956 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 21:57:31,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:57:31,211 INFO L192 MainTranslator]: Completed translation [2019-10-14 21:57:31,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31 WrapperNode [2019-10-14 21:57:31,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 21:57:31,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 21:57:31,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 21:57:31,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 21:57:31,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2019-10-14 21:57:31,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2019-10-14 21:57:31,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2019-10-14 21:57:31,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2019-10-14 21:57:31,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2019-10-14 21:57:31,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2019-10-14 21:57:31,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2019-10-14 21:57:31,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 21:57:31,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 21:57:31,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 21:57:31,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 21:57:31,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (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 [2019-10-14 21:57:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 21:57:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 21:57:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 21:57:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 21:57:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 21:57:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 21:57:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 21:57:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 21:57:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 21:57:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 21:57:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 21:57:32,903 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 21:57:32,904 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 21:57:32,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:57:32 BoogieIcfgContainer [2019-10-14 21:57:32,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 21:57:32,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 21:57:32,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 21:57:32,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 21:57:32,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:57:30" (1/3) ... [2019-10-14 21:57:32,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4782e28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:57:32, skipping insertion in model container [2019-10-14 21:57:32,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (2/3) ... [2019-10-14 21:57:32,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4782e28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:57:32, skipping insertion in model container [2019-10-14 21:57:32,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:57:32" (3/3) ... [2019-10-14 21:57:32,925 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label35.c [2019-10-14 21:57:32,935 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 21:57:32,944 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 21:57:32,956 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 21:57:32,984 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 21:57:32,984 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 21:57:32,984 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 21:57:32,984 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 21:57:32,985 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 21:57:32,985 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 21:57:32,985 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 21:57:32,985 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 21:57:33,011 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-10-14 21:57:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-14 21:57:33,021 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:57:33,022 INFO L380 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] [2019-10-14 21:57:33,024 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:57:33,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:57:33,031 INFO L82 PathProgramCache]: Analyzing trace with hash 87735998, now seen corresponding path program 1 times [2019-10-14 21:57:33,040 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:57:33,040 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942564456] [2019-10-14 21:57:33,041 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:33,041 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:33,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:57:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:33,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:57:33,446 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942564456] [2019-10-14 21:57:33,447 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:57:33,447 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 21:57:33,448 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11084898] [2019-10-14 21:57:33,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 21:57:33,455 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:57:33,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 21:57:33,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:57:33,472 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2019-10-14 21:57:35,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:57:35,556 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2019-10-14 21:57:35,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-14 21:57:35,558 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2019-10-14 21:57:35,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:57:35,593 INFO L225 Difference]: With dead ends: 730 [2019-10-14 21:57:35,594 INFO L226 Difference]: Without dead ends: 447 [2019-10-14 21:57:35,608 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:57:35,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-10-14 21:57:35,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2019-10-14 21:57:35,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2019-10-14 21:57:35,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2019-10-14 21:57:35,731 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 57 [2019-10-14 21:57:35,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:57:35,732 INFO L462 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2019-10-14 21:57:35,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 21:57:35,732 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2019-10-14 21:57:35,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-14 21:57:35,744 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:57:35,745 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-14 21:57:35,745 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:57:35,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:57:35,746 INFO L82 PathProgramCache]: Analyzing trace with hash 2101552402, now seen corresponding path program 1 times [2019-10-14 21:57:35,748 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:57:35,748 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891192510] [2019-10-14 21:57:35,749 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:35,749 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:35,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:57:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:36,165 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:57:36,166 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891192510] [2019-10-14 21:57:36,166 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:57:36,166 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 21:57:36,167 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115219762] [2019-10-14 21:57:36,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 21:57:36,171 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:57:36,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 21:57:36,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-14 21:57:36,172 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2019-10-14 21:57:38,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:57:38,612 INFO L93 Difference]: Finished difference Result 1673 states and 2829 transitions. [2019-10-14 21:57:38,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-14 21:57:38,613 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2019-10-14 21:57:38,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:57:38,628 INFO L225 Difference]: With dead ends: 1673 [2019-10-14 21:57:38,628 INFO L226 Difference]: Without dead ends: 1238 [2019-10-14 21:57:38,632 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-10-14 21:57:38,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2019-10-14 21:57:38,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1196. [2019-10-14 21:57:38,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1196 states. [2019-10-14 21:57:38,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1791 transitions. [2019-10-14 21:57:38,744 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1791 transitions. Word has length 139 [2019-10-14 21:57:38,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:57:38,745 INFO L462 AbstractCegarLoop]: Abstraction has 1196 states and 1791 transitions. [2019-10-14 21:57:38,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 21:57:38,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1791 transitions. [2019-10-14 21:57:38,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-14 21:57:38,752 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:57:38,753 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-14 21:57:38,753 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:57:38,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:57:38,753 INFO L82 PathProgramCache]: Analyzing trace with hash 183641138, now seen corresponding path program 1 times [2019-10-14 21:57:38,754 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:57:38,754 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133064133] [2019-10-14 21:57:38,754 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:38,754 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:38,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:57:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:39,206 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:57:39,206 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133064133] [2019-10-14 21:57:39,207 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:57:39,207 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 21:57:39,207 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465951851] [2019-10-14 21:57:39,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:57:39,211 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:57:39,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:57:39,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:57:39,218 INFO L87 Difference]: Start difference. First operand 1196 states and 1791 transitions. Second operand 9 states. [2019-10-14 21:57:41,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:57:41,331 INFO L93 Difference]: Finished difference Result 3485 states and 5791 transitions. [2019-10-14 21:57:41,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 21:57:41,339 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2019-10-14 21:57:41,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:57:41,362 INFO L225 Difference]: With dead ends: 3485 [2019-10-14 21:57:41,362 INFO L226 Difference]: Without dead ends: 2295 [2019-10-14 21:57:41,367 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-10-14 21:57:41,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2295 states. [2019-10-14 21:57:41,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2295 to 1822. [2019-10-14 21:57:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1822 states. [2019-10-14 21:57:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2776 transitions. [2019-10-14 21:57:41,476 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2776 transitions. Word has length 155 [2019-10-14 21:57:41,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:57:41,477 INFO L462 AbstractCegarLoop]: Abstraction has 1822 states and 2776 transitions. [2019-10-14 21:57:41,477 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:57:41,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2776 transitions. [2019-10-14 21:57:41,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-14 21:57:41,484 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:57:41,484 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-14 21:57:41,485 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:57:41,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:57:41,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1775901982, now seen corresponding path program 1 times [2019-10-14 21:57:41,486 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:57:41,486 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087937583] [2019-10-14 21:57:41,486 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:41,486 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:41,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:57:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:41,838 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:57:41,838 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087937583] [2019-10-14 21:57:41,838 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:57:41,839 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 21:57:41,839 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208594256] [2019-10-14 21:57:41,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:57:41,840 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:57:41,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:57:41,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:57:41,841 INFO L87 Difference]: Start difference. First operand 1822 states and 2776 transitions. Second operand 9 states. [2019-10-14 21:57:43,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:57:43,244 INFO L93 Difference]: Finished difference Result 4429 states and 7107 transitions. [2019-10-14 21:57:43,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 21:57:43,245 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 179 [2019-10-14 21:57:43,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:57:43,264 INFO L225 Difference]: With dead ends: 4429 [2019-10-14 21:57:43,264 INFO L226 Difference]: Without dead ends: 2613 [2019-10-14 21:57:43,272 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2019-10-14 21:57:43,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2613 states. [2019-10-14 21:57:43,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2613 to 2269. [2019-10-14 21:57:43,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2269 states. [2019-10-14 21:57:43,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 2269 states and 3105 transitions. [2019-10-14 21:57:43,370 INFO L78 Accepts]: Start accepts. Automaton has 2269 states and 3105 transitions. Word has length 179 [2019-10-14 21:57:43,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:57:43,373 INFO L462 AbstractCegarLoop]: Abstraction has 2269 states and 3105 transitions. [2019-10-14 21:57:43,373 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:57:43,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 3105 transitions. [2019-10-14 21:57:43,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-10-14 21:57:43,379 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:57:43,380 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:57:43,380 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:57:43,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:57:43,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1344572437, now seen corresponding path program 1 times [2019-10-14 21:57:43,381 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:57:43,382 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130598134] [2019-10-14 21:57:43,383 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:43,383 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:43,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:57:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:43,716 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:57:43,717 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130598134] [2019-10-14 21:57:43,717 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727085891] [2019-10-14 21:57:43,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:57:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:43,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:57:43,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:57:43,997 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:57:43,998 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:57:43,998 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2019-10-14 21:57:43,998 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162155864] [2019-10-14 21:57:43,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 21:57:44,000 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:57:44,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 21:57:44,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2019-10-14 21:57:44,000 INFO L87 Difference]: Start difference. First operand 2269 states and 3105 transitions. Second operand 12 states. [2019-10-14 21:57:48,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:57:48,082 INFO L93 Difference]: Finished difference Result 6171 states and 8798 transitions. [2019-10-14 21:57:48,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-10-14 21:57:48,083 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 218 [2019-10-14 21:57:48,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:57:48,107 INFO L225 Difference]: With dead ends: 6171 [2019-10-14 21:57:48,107 INFO L226 Difference]: Without dead ends: 3763 [2019-10-14 21:57:48,119 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 230 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=367, Invalid=1039, Unknown=0, NotChecked=0, Total=1406 [2019-10-14 21:57:48,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3763 states. [2019-10-14 21:57:48,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3763 to 3008. [2019-10-14 21:57:48,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3008 states. [2019-10-14 21:57:48,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 3008 states and 3941 transitions. [2019-10-14 21:57:48,242 INFO L78 Accepts]: Start accepts. Automaton has 3008 states and 3941 transitions. Word has length 218 [2019-10-14 21:57:48,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:57:48,243 INFO L462 AbstractCegarLoop]: Abstraction has 3008 states and 3941 transitions. [2019-10-14 21:57:48,243 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 21:57:48,244 INFO L276 IsEmpty]: Start isEmpty. Operand 3008 states and 3941 transitions. [2019-10-14 21:57:48,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-10-14 21:57:48,252 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:57:48,252 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:57:48,466 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:57:48,466 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:57:48,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:57:48,469 INFO L82 PathProgramCache]: Analyzing trace with hash 2104798097, now seen corresponding path program 1 times [2019-10-14 21:57:48,469 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:57:48,469 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790585847] [2019-10-14 21:57:48,470 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:48,470 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:57:48,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:57:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-14 21:57:48,805 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790585847] [2019-10-14 21:57:48,806 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915753671] [2019-10-14 21:57:48,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:57:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:57:48,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:57:48,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:57:49,014 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-14 21:57:49,014 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:57:49,017 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-14 21:57:49,018 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019814665] [2019-10-14 21:57:49,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:57:49,019 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:57:49,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:57:49,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:57:49,020 INFO L87 Difference]: Start difference. First operand 3008 states and 3941 transitions. Second operand 3 states. [2019-10-14 21:57:49,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:57:49,563 INFO L93 Difference]: Finished difference Result 6306 states and 8353 transitions. [2019-10-14 21:57:49,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:57:49,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2019-10-14 21:57:49,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:57:49,565 INFO L225 Difference]: With dead ends: 6306 [2019-10-14 21:57:49,565 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 21:57:49,580 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:57:49,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 21:57:49,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 21:57:49,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 21:57:49,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 21:57:49,582 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2019-10-14 21:57:49,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:57:49,582 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 21:57:49,582 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:57:49,582 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 21:57:49,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 21:57:49,786 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:57:49,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 21:57:50,203 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 131 [2019-10-14 21:57:50,353 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 131 [2019-10-14 21:57:50,903 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 34 [2019-10-14 21:57:51,228 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 34 [2019-10-14 21:57:51,530 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 34 [2019-10-14 21:57:51,533 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:57:51,534 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2019-10-14 21:57:51,534 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:57:51,534 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-10-14 21:57:51,534 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,534 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,535 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,535 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,535 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,535 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,535 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-10-14 21:57:51,535 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-10-14 21:57:51,535 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-14 21:57:51,535 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-14 21:57:51,536 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-14 21:57:51,536 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-14 21:57:51,536 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-14 21:57:51,536 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-14 21:57:51,536 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-10-14 21:57:51,536 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-10-14 21:57:51,536 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-10-14 21:57:51,536 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,537 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,537 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,537 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,537 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,537 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-10-14 21:57:51,537 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-10-14 21:57:51,537 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-10-14 21:57:51,537 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-10-14 21:57:51,538 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-14 21:57:51,538 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-14 21:57:51,538 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-14 21:57:51,538 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-14 21:57:51,538 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-14 21:57:51,538 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-10-14 21:57:51,538 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-10-14 21:57:51,539 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-10-14 21:57:51,539 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2019-10-14 21:57:51,539 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-10-14 21:57:51,539 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-10-14 21:57:51,539 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,539 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,540 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,540 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,540 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,540 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-10-14 21:57:51,540 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-14 21:57:51,540 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-14 21:57:51,540 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-14 21:57:51,540 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-14 21:57:51,541 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-14 21:57:51,541 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-10-14 21:57:51,541 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-10-14 21:57:51,541 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-10-14 21:57:51,541 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-10-14 21:57:51,541 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,541 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,541 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,542 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,542 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,542 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-10-14 21:57:51,542 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-10-14 21:57:51,542 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-10-14 21:57:51,542 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-14 21:57:51,542 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-14 21:57:51,543 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-14 21:57:51,543 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-14 21:57:51,543 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-14 21:57:51,543 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-10-14 21:57:51,543 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-10-14 21:57:51,543 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-10-14 21:57:51,543 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-10-14 21:57:51,543 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-10-14 21:57:51,543 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,544 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,544 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,544 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,544 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,544 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-14 21:57:51,544 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-14 21:57:51,544 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-14 21:57:51,544 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-14 21:57:51,544 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-14 21:57:51,545 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-10-14 21:57:51,545 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-10-14 21:57:51,545 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-10-14 21:57:51,545 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-10-14 21:57:51,545 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,545 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,545 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,545 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,546 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,546 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,546 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,546 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-10-14 21:57:51,546 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-10-14 21:57:51,546 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-10-14 21:57:51,546 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-10-14 21:57:51,547 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-14 21:57:51,547 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-14 21:57:51,547 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-14 21:57:51,547 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-14 21:57:51,547 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-14 21:57:51,547 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-10-14 21:57:51,547 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-10-14 21:57:51,547 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-10-14 21:57:51,548 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-10-14 21:57:51,548 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,548 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,548 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,548 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,548 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-14 21:57:51,548 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,548 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,548 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-10-14 21:57:51,549 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-10-14 21:57:51,549 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-10-14 21:57:51,549 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-14 21:57:51,549 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-14 21:57:51,549 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-14 21:57:51,549 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-14 21:57:51,549 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-14 21:57:51,549 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-14 21:57:51,549 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-10-14 21:57:51,550 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-10-14 21:57:51,550 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-10-14 21:57:51,550 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-10-14 21:57:51,550 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,550 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,550 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,550 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,550 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,551 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,551 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-10-14 21:57:51,551 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-10-14 21:57:51,551 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-10-14 21:57:51,551 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-14 21:57:51,551 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-14 21:57:51,551 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-14 21:57:51,551 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-14 21:57:51,551 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-14 21:57:51,552 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-14 21:57:51,552 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-10-14 21:57:51,552 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-10-14 21:57:51,552 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= 0 ~a12~0))) (.cse3 (not (<= |old(~a19~0)| 9))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= |old(~a10~0)| 2))) (or .cse1 .cse2 (not (<= |old(~a10~0)| 1)) .cse0) (or (or .cse1 .cse2 .cse3 (= 7 |old(~a19~0)|)) .cse0))) [2019-10-14 21:57:51,552 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-10-14 21:57:51,552 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-10-14 21:57:51,553 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-10-14 21:57:51,553 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,553 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,553 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,553 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,553 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,553 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,553 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-10-14 21:57:51,554 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-14 21:57:51,554 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-14 21:57:51,554 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-14 21:57:51,554 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-14 21:57:51,554 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-14 21:57:51,554 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-14 21:57:51,554 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-10-14 21:57:51,554 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-10-14 21:57:51,555 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-10-14 21:57:51,555 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-10-14 21:57:51,555 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-10-14 21:57:51,555 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-10-14 21:57:51,555 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,555 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,555 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,555 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,556 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,556 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,556 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-10-14 21:57:51,556 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-10-14 21:57:51,556 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-10-14 21:57:51,556 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-14 21:57:51,556 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-14 21:57:51,556 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-14 21:57:51,556 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-14 21:57:51,557 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-14 21:57:51,557 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-14 21:57:51,557 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-10-14 21:57:51,557 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-10-14 21:57:51,557 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-10-14 21:57:51,557 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,557 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,557 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,557 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,558 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,558 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-10-14 21:57:51,558 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-10-14 21:57:51,558 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-10-14 21:57:51,558 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-10-14 21:57:51,558 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-14 21:57:51,558 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-14 21:57:51,559 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-14 21:57:51,559 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-14 21:57:51,559 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-14 21:57:51,559 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-14 21:57:51,559 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-10-14 21:57:51,559 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-10-14 21:57:51,559 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-10-14 21:57:51,559 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:57:51,560 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a1~0 23) (= 14 ~a4~0) (<= ~a19~0 9) (= ~a12~0 0) (<= ~a10~0 0) (<= 9 ~a19~0)) [2019-10-14 21:57:51,560 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 21:57:51,560 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:57:51,560 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-10-14 21:57:51,560 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-10-14 21:57:51,561 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (not (= ~a19~0 7)) .cse0) (and .cse0 (<= ~a10~0 2)) (not (= 0 ~a12~0)) (not (= 14 ~a4~0)) (<= ~a10~0 1) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)))) [2019-10-14 21:57:51,561 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-14 21:57:51,561 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-14 21:57:51,561 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (not (= ~a19~0 7)) .cse0) (and .cse0 (<= ~a10~0 2)) (not (= 0 ~a12~0)) (not (= 14 ~a4~0)) (<= ~a10~0 1) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)))) [2019-10-14 21:57:51,561 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-10-14 21:57:51,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:57:51 BoogieIcfgContainer [2019-10-14 21:57:51,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 21:57:51,581 INFO L168 Benchmark]: Toolchain (without parser) took 21120.28 ms. Allocated memory was 145.8 MB in the beginning and 478.7 MB in the end (delta: 332.9 MB). Free memory was 101.4 MB in the beginning and 95.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 342.7 MB. Max. memory is 7.1 GB. [2019-10-14 21:57:51,582 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 21:57:51,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.31 ms. Allocated memory was 145.8 MB in the beginning and 206.0 MB in the end (delta: 60.3 MB). Free memory was 101.2 MB in the beginning and 173.2 MB in the end (delta: -72.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2019-10-14 21:57:51,584 INFO L168 Benchmark]: Boogie Preprocessor took 125.97 ms. Allocated memory is still 206.0 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-14 21:57:51,585 INFO L168 Benchmark]: RCFGBuilder took 1569.97 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 168.4 MB in the beginning and 182.4 MB in the end (delta: -14.0 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2019-10-14 21:57:51,586 INFO L168 Benchmark]: TraceAbstraction took 18665.98 ms. Allocated memory was 237.5 MB in the beginning and 478.7 MB in the end (delta: 241.2 MB). Free memory was 182.4 MB in the beginning and 95.0 MB in the end (delta: 87.4 MB). Peak memory consumption was 331.9 MB. Max. memory is 7.1 GB. [2019-10-14 21:57:51,590 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 747.31 ms. Allocated memory was 145.8 MB in the beginning and 206.0 MB in the end (delta: 60.3 MB). Free memory was 101.2 MB in the beginning and 173.2 MB in the end (delta: -72.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.97 ms. Allocated memory is still 206.0 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1569.97 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 168.4 MB in the beginning and 182.4 MB in the end (delta: -14.0 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18665.98 ms. Allocated memory was 237.5 MB in the beginning and 478.7 MB in the end (delta: 241.2 MB). Free memory was 182.4 MB in the beginning and 95.0 MB in the end (delta: 87.4 MB). Peak memory consumption was 331.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 157]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((!(a19 == 7) && a19 <= 9) || (a19 <= 9 && a10 <= 2)) || !(0 == a12)) || !(14 == a4)) || a10 <= 1) || !(\old(a19) <= 9)) || !(\old(a1) <= 23)) || !(\old(a10) <= 0)) || !(9 <= \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Result: SAFE, OverallTime: 18.5s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 12.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, HoareTripleCheckerStatistics: 203 SDtfs, 4422 SDslu, 281 SDs, 0 SdLazy, 6891 SolverSat, 2015 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 562 GetRequests, 477 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3008occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 1620 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 117 PreInvPairs, 179 NumberOfFragments, 250 HoareAnnotationTreeSize, 117 FomulaSimplifications, 23721 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5871 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1430 NumberOfCodeBlocks, 1430 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1422 ConstructedInterpolants, 0 QuantifiedInterpolants, 749914 SizeOfPredicates, 2 NumberOfNonLiveVariables, 800 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 856/862 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...