/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 BIGGEST_EQUIVALENCE_CLASS --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_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 05:50:10,803 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 05:50:10,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 05:50:10,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 05:50:10,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 05:50:10,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 05:50:10,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 05:50:10,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 05:50:10,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 05:50:10,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 05:50:10,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 05:50:10,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 05:50:10,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 05:50:10,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 05:50:10,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 05:50:10,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 05:50:10,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 05:50:10,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 05:50:10,889 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 05:50:10,903 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 05:50:10,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 05:50:10,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 05:50:10,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 05:50:10,905 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 05:50:10,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 05:50:10,905 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 05:50:10,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 05:50:10,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 05:50:10,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 05:50:10,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 05:50:10,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 05:50:10,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 05:50:10,907 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 05:50:10,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 05:50:10,907 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 05:50:10,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 05:50:10,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 05:50:10,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 05:50:10,908 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 05:50:10,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 05:50:10,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:50:10,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 05:50:10,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 05:50:10,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 05:50:10,909 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 05:50:10,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 05:50:10,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 05:50:10,910 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 05:50:10,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS 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 05:50:11,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 05:50:11,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 05:50:11,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 05:50:11,251 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 05:50:11,252 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 05:50:11,254 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-07-20 05:50:11,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d765aa8/12b40b783f704c8d8a0177c952965acc/FLAG93ca63835 [2020-07-20 05:50:11,989 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 05:50:11,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-07-20 05:50:12,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d765aa8/12b40b783f704c8d8a0177c952965acc/FLAG93ca63835 [2020-07-20 05:50:12,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97d765aa8/12b40b783f704c8d8a0177c952965acc [2020-07-20 05:50:12,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 05:50:12,309 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 05:50:12,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 05:50:12,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 05:50:12,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 05:50:12,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:50:12" (1/1) ... [2020-07-20 05:50:12,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16fe3a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:50:12, skipping insertion in model container [2020-07-20 05:50:12,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:50:12" (1/1) ... [2020-07-20 05:50:12,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 05:50:12,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 05:50:12,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:50:12,919 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 05:50:13,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:50:13,037 INFO L208 MainTranslator]: Completed translation [2020-07-20 05:50:13,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:50:13 WrapperNode [2020-07-20 05:50:13,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 05:50:13,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 05:50:13,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 05:50:13,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 05:50:13,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:50:13" (1/1) ... [2020-07-20 05:50:13,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:50:13" (1/1) ... [2020-07-20 05:50:13,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:50:13" (1/1) ... [2020-07-20 05:50:13,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:50:13" (1/1) ... [2020-07-20 05:50:13,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:50:13" (1/1) ... [2020-07-20 05:50:13,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:50:13" (1/1) ... [2020-07-20 05:50:13,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:50:13" (1/1) ... [2020-07-20 05:50:13,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 05:50:13,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 05:50:13,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 05:50:13,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 05:50:13,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:50:13" (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 05:50:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 05:50:13,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 05:50:13,232 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 05:50:13,232 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 05:50:13,232 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 05:50:13,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 05:50:13,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 05:50:13,232 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 05:50:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 05:50:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 05:50:13,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 05:50:14,449 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 05:50:14,450 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 05:50:14,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:50:14 BoogieIcfgContainer [2020-07-20 05:50:14,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 05:50:14,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 05:50:14,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 05:50:14,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 05:50:14,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:50:12" (1/3) ... [2020-07-20 05:50:14,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3115344d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:50:14, skipping insertion in model container [2020-07-20 05:50:14,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:50:13" (2/3) ... [2020-07-20 05:50:14,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3115344d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:50:14, skipping insertion in model container [2020-07-20 05:50:14,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:50:14" (3/3) ... [2020-07-20 05:50:14,483 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label26.c [2020-07-20 05:50:14,498 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 05:50:14,515 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 05:50:14,530 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 05:50:14,568 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 05:50:14,569 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 05:50:14,569 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 05:50:14,569 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 05:50:14,570 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 05:50:14,570 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 05:50:14,570 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 05:50:14,570 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 05:50:14,598 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-20 05:50:14,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-20 05:50:14,622 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:50:14,623 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:50:14,624 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:50:14,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:50:14,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1414431897, now seen corresponding path program 1 times [2020-07-20 05:50:14,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:50:14,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402734541] [2020-07-20 05:50:14,648 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c537b70 [2020-07-20 05:50:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:15,382 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 05:50:15,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402734541] [2020-07-20 05:50:15,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:50:15,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 05:50:15,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265206892] [2020-07-20 05:50:15,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 05:50:15,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:50:15,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 05:50:15,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 05:50:15,417 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-20 05:50:17,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:50:17,067 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-07-20 05:50:17,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 05:50:17,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-07-20 05:50:17,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:50:17,087 INFO L225 Difference]: With dead ends: 557 [2020-07-20 05:50:17,087 INFO L226 Difference]: Without dead ends: 286 [2020-07-20 05:50:17,095 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 05:50:17,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-20 05:50:17,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-07-20 05:50:17,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-20 05:50:17,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-07-20 05:50:17,210 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 109 [2020-07-20 05:50:17,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:50:17,211 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-07-20 05:50:17,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 05:50:17,212 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-07-20 05:50:17,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-07-20 05:50:17,216 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:50:17,216 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:50:17,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 05:50:17,217 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:50:17,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:50:17,217 INFO L82 PathProgramCache]: Analyzing trace with hash -609512656, now seen corresponding path program 1 times [2020-07-20 05:50:17,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:50:17,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287136641] [2020-07-20 05:50:17,218 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c537b70 [2020-07-20 05:50:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:17,392 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 05:50:17,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287136641] [2020-07-20 05:50:17,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:50:17,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 05:50:17,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768146818] [2020-07-20 05:50:17,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 05:50:17,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:50:17,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 05:50:17,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:50:17,396 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 8 states. [2020-07-20 05:50:18,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:50:18,909 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-07-20 05:50:18,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 05:50:18,910 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 119 [2020-07-20 05:50:18,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:50:18,915 INFO L225 Difference]: With dead ends: 713 [2020-07-20 05:50:18,916 INFO L226 Difference]: Without dead ends: 439 [2020-07-20 05:50:18,918 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 05:50:18,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-07-20 05:50:18,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-07-20 05:50:18,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-07-20 05:50:18,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-07-20 05:50:18,972 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 119 [2020-07-20 05:50:18,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:50:18,972 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-07-20 05:50:18,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 05:50:18,973 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-07-20 05:50:18,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-20 05:50:18,995 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:50:18,995 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:50:18,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 05:50:18,996 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:50:18,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:50:18,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1252784430, now seen corresponding path program 1 times [2020-07-20 05:50:18,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:50:18,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601239918] [2020-07-20 05:50:18,997 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c537b70 [2020-07-20 05:50:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:19,356 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:50:19,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601239918] [2020-07-20 05:50:19,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939115528] [2020-07-20 05:50:19,357 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c079c12 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 05:50:19,542 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5c079c12 issued 4 check-sat command(s) [2020-07-20 05:50:19,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:50:19,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:50:19,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:50:19,680 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 05:50:19,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:50:19,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-20 05:50:19,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406356777] [2020-07-20 05:50:19,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 05:50:19,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:50:19,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 05:50:19,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 05:50:19,696 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2020-07-20 05:50:20,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:50:20,297 INFO L93 Difference]: Finished difference Result 1247 states and 1789 transitions. [2020-07-20 05:50:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 05:50:20,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-07-20 05:50:20,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:50:20,304 INFO L225 Difference]: With dead ends: 1247 [2020-07-20 05:50:20,305 INFO L226 Difference]: Without dead ends: 832 [2020-07-20 05:50:20,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 05:50:20,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-07-20 05:50:20,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2020-07-20 05:50:20,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-07-20 05:50:20,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions. [2020-07-20 05:50:20,349 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 120 [2020-07-20 05:50:20,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:50:20,350 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions. [2020-07-20 05:50:20,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 05:50:20,350 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions. [2020-07-20 05:50:20,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-07-20 05:50:20,354 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:50:20,354 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:50:20,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-20 05:50:20,569 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:50:20,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:50:20,570 INFO L82 PathProgramCache]: Analyzing trace with hash 107820154, now seen corresponding path program 1 times [2020-07-20 05:50:20,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:50:20,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947756445] [2020-07-20 05:50:20,572 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c537b70 [2020-07-20 05:50:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:20,768 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:50:20,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947756445] [2020-07-20 05:50:20,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926255331] [2020-07-20 05:50:20,769 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5b6f3dd No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:50:20,884 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5b6f3dd issued 4 check-sat command(s) [2020-07-20 05:50:20,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:50:20,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:50:20,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:50:20,970 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:50:20,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:50:20,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-20 05:50:20,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753132948] [2020-07-20 05:50:20,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 05:50:20,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:50:20,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 05:50:20,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 05:50:20,973 INFO L87 Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand 3 states. [2020-07-20 05:50:21,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:50:21,576 INFO L93 Difference]: Finished difference Result 2345 states and 3186 transitions. [2020-07-20 05:50:21,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 05:50:21,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-07-20 05:50:21,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:50:21,588 INFO L225 Difference]: With dead ends: 2345 [2020-07-20 05:50:21,588 INFO L226 Difference]: Without dead ends: 1519 [2020-07-20 05:50:21,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 05:50:21,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2020-07-20 05:50:21,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1519. [2020-07-20 05:50:21,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2020-07-20 05:50:21,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1968 transitions. [2020-07-20 05:50:21,648 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1968 transitions. Word has length 126 [2020-07-20 05:50:21,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:50:21,649 INFO L479 AbstractCegarLoop]: Abstraction has 1519 states and 1968 transitions. [2020-07-20 05:50:21,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 05:50:21,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1968 transitions. [2020-07-20 05:50:21,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-20 05:50:21,655 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:50:21,655 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:21,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:50:21,869 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:50:21,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:50:21,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1420721245, now seen corresponding path program 1 times [2020-07-20 05:50:21,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:50:21,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688304801] [2020-07-20 05:50:21,872 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c537b70 [2020-07-20 05:50:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:22,061 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:50:22,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688304801] [2020-07-20 05:50:22,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166070457] [2020-07-20 05:50:22,062 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2f8aedf4 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 05:50:22,268 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2f8aedf4 issued 4 check-sat command(s) [2020-07-20 05:50:22,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:50:22,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:50:22,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:50:22,344 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-20 05:50:22,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:50:22,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-20 05:50:22,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846006750] [2020-07-20 05:50:22,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 05:50:22,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:50:22,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 05:50:22,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:50:22,347 INFO L87 Difference]: Start difference. First operand 1519 states and 1968 transitions. Second operand 3 states. [2020-07-20 05:50:22,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:50:22,972 INFO L93 Difference]: Finished difference Result 4126 states and 5489 transitions. [2020-07-20 05:50:22,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 05:50:22,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-07-20 05:50:22,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:50:22,989 INFO L225 Difference]: With dead ends: 4126 [2020-07-20 05:50:22,990 INFO L226 Difference]: Without dead ends: 2613 [2020-07-20 05:50:22,995 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:50:23,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2613 states. [2020-07-20 05:50:23,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2613 to 2478. [2020-07-20 05:50:23,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2478 states. [2020-07-20 05:50:23,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2478 states and 3239 transitions. [2020-07-20 05:50:23,085 INFO L78 Accepts]: Start accepts. Automaton has 2478 states and 3239 transitions. Word has length 145 [2020-07-20 05:50:23,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:50:23,085 INFO L479 AbstractCegarLoop]: Abstraction has 2478 states and 3239 transitions. [2020-07-20 05:50:23,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 05:50:23,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2478 states and 3239 transitions. [2020-07-20 05:50:23,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-07-20 05:50:23,094 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:50:23,095 INFO L422 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, 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] [2020-07-20 05:50:23,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:50:23,310 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:50:23,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:50:23,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1995296009, now seen corresponding path program 1 times [2020-07-20 05:50:23,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:50:23,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601411240] [2020-07-20 05:50:23,313 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c537b70 [2020-07-20 05:50:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:23,568 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:50:23,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601411240] [2020-07-20 05:50:23,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345567091] [2020-07-20 05:50:23,569 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6c05a550 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:50:23,754 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6c05a550 issued 4 check-sat command(s) [2020-07-20 05:50:23,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:50:23,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:50:23,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:50:23,879 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:50:23,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:50:23,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-20 05:50:23,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991317026] [2020-07-20 05:50:23,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 05:50:23,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:50:23,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 05:50:23,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-20 05:50:23,885 INFO L87 Difference]: Start difference. First operand 2478 states and 3239 transitions. Second operand 10 states. [2020-07-20 05:50:24,661 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2020-07-20 05:50:28,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:50:28,254 INFO L93 Difference]: Finished difference Result 6903 states and 9439 transitions. [2020-07-20 05:50:28,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-20 05:50:28,256 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2020-07-20 05:50:28,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:50:28,287 INFO L225 Difference]: With dead ends: 6903 [2020-07-20 05:50:28,288 INFO L226 Difference]: Without dead ends: 4431 [2020-07-20 05:50:28,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 182 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=162, Invalid=594, Unknown=0, NotChecked=0, Total=756 [2020-07-20 05:50:28,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4431 states. [2020-07-20 05:50:28,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4431 to 3088. [2020-07-20 05:50:28,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3088 states. [2020-07-20 05:50:28,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 3088 states and 3846 transitions. [2020-07-20 05:50:28,442 INFO L78 Accepts]: Start accepts. Automaton has 3088 states and 3846 transitions. Word has length 169 [2020-07-20 05:50:28,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:50:28,443 INFO L479 AbstractCegarLoop]: Abstraction has 3088 states and 3846 transitions. [2020-07-20 05:50:28,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 05:50:28,443 INFO L276 IsEmpty]: Start isEmpty. Operand 3088 states and 3846 transitions. [2020-07-20 05:50:28,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-20 05:50:28,455 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:50:28,455 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:28,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:50:28,669 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:50:28,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:50:28,670 INFO L82 PathProgramCache]: Analyzing trace with hash 911831107, now seen corresponding path program 1 times [2020-07-20 05:50:28,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:50:28,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416831696] [2020-07-20 05:50:28,671 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c537b70 [2020-07-20 05:50:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:28,924 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 117 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-20 05:50:28,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416831696] [2020-07-20 05:50:28,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986609180] [2020-07-20 05:50:28,925 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@651c4687 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 05:50:29,183 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@651c4687 issued 4 check-sat command(s) [2020-07-20 05:50:29,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:50:29,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:50:29,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:50:29,319 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-07-20 05:50:29,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:50:29,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-20 05:50:29,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857854795] [2020-07-20 05:50:29,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 05:50:29,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:50:29,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 05:50:29,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-20 05:50:29,330 INFO L87 Difference]: Start difference. First operand 3088 states and 3846 transitions. Second operand 10 states. [2020-07-20 05:50:29,690 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2020-07-20 05:50:33,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:50:33,571 INFO L93 Difference]: Finished difference Result 8730 states and 11074 transitions. [2020-07-20 05:50:33,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-20 05:50:33,572 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 222 [2020-07-20 05:50:33,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:50:33,598 INFO L225 Difference]: With dead ends: 8730 [2020-07-20 05:50:33,598 INFO L226 Difference]: Without dead ends: 5175 [2020-07-20 05:50:33,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=166, Invalid=646, Unknown=0, NotChecked=0, Total=812 [2020-07-20 05:50:33,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5175 states. [2020-07-20 05:50:33,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5175 to 4303. [2020-07-20 05:50:33,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4303 states. [2020-07-20 05:50:33,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4303 states to 4303 states and 4838 transitions. [2020-07-20 05:50:33,733 INFO L78 Accepts]: Start accepts. Automaton has 4303 states and 4838 transitions. Word has length 222 [2020-07-20 05:50:33,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:50:33,734 INFO L479 AbstractCegarLoop]: Abstraction has 4303 states and 4838 transitions. [2020-07-20 05:50:33,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 05:50:33,734 INFO L276 IsEmpty]: Start isEmpty. Operand 4303 states and 4838 transitions. [2020-07-20 05:50:33,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-07-20 05:50:33,748 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:50:33,749 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:33,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-20 05:50:33,964 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:50:33,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:50:33,964 INFO L82 PathProgramCache]: Analyzing trace with hash 408719819, now seen corresponding path program 1 times [2020-07-20 05:50:33,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:50:33,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200612726] [2020-07-20 05:50:33,965 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c537b70 [2020-07-20 05:50:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:50:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 141 proven. 22 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-07-20 05:50:34,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200612726] [2020-07-20 05:50:34,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831643142] [2020-07-20 05:50:34,198 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@526ae17 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:50:34,367 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@526ae17 issued 4 check-sat command(s) [2020-07-20 05:50:34,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:50:34,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:50:34,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:50:34,518 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-07-20 05:50:34,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:50:34,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-20 05:50:34,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070731077] [2020-07-20 05:50:34,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 05:50:34,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:50:34,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 05:50:34,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 05:50:34,521 INFO L87 Difference]: Start difference. First operand 4303 states and 4838 transitions. Second operand 10 states. [2020-07-20 05:50:39,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:50:39,360 INFO L93 Difference]: Finished difference Result 10321 states and 12192 transitions. [2020-07-20 05:50:39,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-07-20 05:50:39,361 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 226 [2020-07-20 05:50:39,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:50:39,362 INFO L225 Difference]: With dead ends: 10321 [2020-07-20 05:50:39,362 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 05:50:39,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=251, Invalid=1081, Unknown=0, NotChecked=0, Total=1332 [2020-07-20 05:50:39,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 05:50:39,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 05:50:39,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 05:50:39,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 05:50:39,392 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2020-07-20 05:50:39,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:50:39,393 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 05:50:39,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 05:50:39,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 05:50:39,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 05:50:39,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:50:39,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 05:50:41,425 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 126 [2020-07-20 05:50:41,825 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 126 [2020-07-20 05:50:44,092 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 207 DAG size of output: 77 [2020-07-20 05:50:44,866 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 54 [2020-07-20 05:50:45,604 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 54 [2020-07-20 05:50:45,609 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 05:50:45,609 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 05:50:45,609 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 05:50:45,610 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-20 05:50:45,610 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-20 05:50:45,610 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,610 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,610 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,611 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,611 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,611 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,611 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-20 05:50:45,611 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-20 05:50:45,611 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-20 05:50:45,612 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-20 05:50:45,612 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-20 05:50:45,612 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 05:50:45,612 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-20 05:50:45,612 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-20 05:50:45,612 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-20 05:50:45,612 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-20 05:50:45,612 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,612 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,612 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,613 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,613 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,613 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,613 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-20 05:50:45,613 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-20 05:50:45,613 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-20 05:50:45,613 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-20 05:50:45,613 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-20 05:50:45,614 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-20 05:50:45,614 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-20 05:50:45,614 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-20 05:50:45,614 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-20 05:50:45,614 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-20 05:50:45,614 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-20 05:50:45,614 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 485) no Hoare annotation was computed. [2020-07-20 05:50:45,614 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-20 05:50:45,614 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-20 05:50:45,614 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-20 05:50:45,615 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-20 05:50:45,615 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,615 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,615 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,615 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,615 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,615 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-20 05:50:45,615 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-20 05:50:45,615 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-20 05:50:45,615 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-20 05:50:45,615 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-20 05:50:45,615 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-20 05:50:45,616 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-20 05:50:45,616 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-20 05:50:45,616 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-20 05:50:45,616 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,616 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,616 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,616 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,616 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,616 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-20 05:50:45,617 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 05:50:45,617 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-20 05:50:45,617 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-20 05:50:45,617 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-20 05:50:45,617 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 05:50:45,617 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-20 05:50:45,617 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-20 05:50:45,617 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-20 05:50:45,617 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-20 05:50:45,618 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-20 05:50:45,618 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-20 05:50:45,618 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-20 05:50:45,618 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,618 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,618 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,618 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,618 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,619 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-20 05:50:45,619 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-20 05:50:45,619 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-20 05:50:45,619 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-20 05:50:45,619 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-20 05:50:45,619 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-20 05:50:45,619 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 05:50:45,619 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-20 05:50:45,620 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-20 05:50:45,620 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,620 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,620 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,620 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,620 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,620 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,620 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-20 05:50:45,620 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,620 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-20 05:50:45,620 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-20 05:50:45,620 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-20 05:50:45,621 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-20 05:50:45,621 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 05:50:45,621 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 05:50:45,621 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-20 05:50:45,621 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-20 05:50:45,621 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-20 05:50:45,621 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-20 05:50:45,621 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-20 05:50:45,621 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-20 05:50:45,621 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-20 05:50:45,621 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,621 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,622 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,622 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,622 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,622 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-20 05:50:45,622 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-20 05:50:45,622 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-20 05:50:45,622 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 05:50:45,622 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 05:50:45,623 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 05:50:45,623 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-20 05:50:45,623 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-20 05:50:45,623 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,623 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,623 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,623 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,623 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,624 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-20 05:50:45,624 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-20 05:50:45,624 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-20 05:50:45,624 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-20 05:50:45,624 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-20 05:50:45,624 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-20 05:50:45,624 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-20 05:50:45,625 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 05:50:45,625 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-20 05:50:45,625 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-20 05:50:45,625 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse15 (= 1 ~a21~0)) (.cse19 (= ~a20~0 |old(~a20~0)|)) (.cse18 (not (<= |old(~a8~0)| 14))) (.cse10 (not (<= 5 |old(~a16~0)|))) (.cse6 (not (= 1 |old(~a20~0)|))) (.cse2 (not (<= |old(~a16~0)| 5))) (.cse7 (not (<= |old(~a8~0)| 13))) (.cse11 (= ~a7~0 |old(~a7~0)|)) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= ~a16~0 |old(~a16~0)|)) (.cse14 (= ~a8~0 |old(~a8~0)|)) (.cse16 (= 1 ~a20~0)) (.cse20 (= ~a21~0 |old(~a21~0)|))) (let ((.cse5 (not (<= |old(~a17~0)| 0))) (.cse8 (and .cse11 .cse12 .cse13 .cse14 .cse16 .cse20)) (.cse0 (not (= 1 |old(~a7~0)|))) (.cse17 (and (or .cse6 .cse18 .cse2 .cse10) (or .cse6 .cse2 .cse7))) (.cse9 (not (<= |old(~a7~0)| 0))) (.cse1 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse19)) (.cse3 (not (<= |old(~a20~0)| 0))) (.cse4 (not (= 1 |old(~a21~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse5 .cse8) (or .cse6 .cse9 .cse1 .cse10 .cse4) (or .cse6 .cse9 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) .cse4 .cse5) (or .cse0 .cse17 .cse8) (or .cse0 .cse18 .cse2 .cse3 (not (<= |old(~a16~0)| 4)) (and .cse11 .cse12 .cse13 .cse14 .cse19 .cse20)) (or .cse1 (and (or .cse18 .cse2 .cse3 .cse4) (or (and (or .cse9 .cse2 .cse7) (or .cse6 .cse9 .cse18)) .cse4) (or .cse17 .cse4))) (or .cse9 .cse1 .cse3 .cse4)))) [2020-07-20 05:50:45,625 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-20 05:50:45,625 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,626 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,626 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,626 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,626 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-20 05:50:45,626 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,626 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,626 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-20 05:50:45,626 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-20 05:50:45,627 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-20 05:50:45,627 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 05:50:45,627 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-20 05:50:45,627 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 05:50:45,627 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-20 05:50:45,627 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 05:50:45,627 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-20 05:50:45,627 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-20 05:50:45,628 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-20 05:50:45,628 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-20 05:50:45,628 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,628 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,628 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,628 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,628 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,628 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-20 05:50:45,629 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,629 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-20 05:50:45,629 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-20 05:50:45,629 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-20 05:50:45,629 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-20 05:50:45,629 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-20 05:50:45,629 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 05:50:45,629 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 05:50:45,630 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-20 05:50:45,630 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-20 05:50:45,630 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-20 05:50:45,630 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-20 05:50:45,630 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-20 05:50:45,630 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-20 05:50:45,630 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-20 05:50:45,630 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,630 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,631 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,631 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,631 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,631 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 05:50:45,631 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-20 05:50:45,631 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-20 05:50:45,631 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-20 05:50:45,631 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-20 05:50:45,632 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 05:50:45,632 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-20 05:50:45,632 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-20 05:50:45,632 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-20 05:50:45,632 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-20 05:50:45,632 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-20 05:50:45,632 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 05:50:45,632 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= ~a16~0 5) (<= 5 ~a16~0) (= 1 ~a21~0) (= 1 ~a20~0)) [2020-07-20 05:50:45,633 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 05:50:45,633 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 05:50:45,633 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a20~0)|)) (not (<= |old(~a7~0)| 0)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a21~0)|))) [2020-07-20 05:50:45,633 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-20 05:50:45,633 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse10 (<= 5 ~a16~0)) (.cse8 (<= ~a8~0 14)) (.cse9 (<= ~a8~0 13)) (.cse7 (<= ~a16~0 5)) (.cse5 (= 1 ~a20~0))) (let ((.cse0 (or (and .cse10 .cse7 .cse5 .cse8) (and .cse9 .cse7 .cse5))) (.cse6 (= 1 ~a7~0)) (.cse4 (<= ~a17~0 0)) (.cse2 (<= ~a7~0 0)) (.cse1 (= 1 ~a21~0)) (.cse3 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse1 .cse3) (not (<= |old(~a7~0)| 0)) (and .cse4 .cse2 .cse1 .cse5) (and .cse6 .cse4 .cse7 .cse1 .cse3) (and .cse6 .cse3 .cse8 (<= ~a16~0 4)) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse0) (and .cse9 .cse6 .cse4 .cse5) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (and (or (and .cse9 .cse2 .cse7) (and .cse2 .cse5 .cse8)) .cse1) (and .cse2 .cse10 .cse1 .cse5) (and .cse7 .cse1 .cse3 .cse8) (not (= 1 |old(~a21~0)|))))) [2020-07-20 05:50:45,633 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-20 05:50:45,634 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 05:50:45,634 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (<= 5 ~a16~0)) (.cse8 (<= ~a8~0 14)) (.cse9 (<= ~a8~0 13)) (.cse7 (<= ~a16~0 5)) (.cse5 (= 1 ~a20~0))) (let ((.cse0 (or (and .cse10 .cse7 .cse5 .cse8) (and .cse9 .cse7 .cse5))) (.cse6 (= 1 ~a7~0)) (.cse4 (<= ~a17~0 0)) (.cse2 (<= ~a7~0 0)) (.cse1 (= 1 ~a21~0)) (.cse3 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse1 .cse3) (not (<= |old(~a7~0)| 0)) (and .cse4 .cse2 .cse1 .cse5) (and .cse6 .cse4 .cse7 .cse1 .cse3) (and .cse6 .cse3 .cse8 (<= ~a16~0 4)) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse0) (and .cse9 .cse6 .cse4 .cse5) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (and (or (and .cse9 .cse2 .cse7) (and .cse2 .cse5 .cse8)) .cse1) (and .cse2 .cse10 .cse1 .cse5) (and .cse7 .cse1 .cse3 .cse8) (not (= 1 |old(~a21~0)|))))) [2020-07-20 05:50:45,634 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-20 05:50:45,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:50:45 BoogieIcfgContainer [2020-07-20 05:50:45,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 05:50:45,660 INFO L168 Benchmark]: Toolchain (without parser) took 33352.91 ms. Allocated memory was 145.2 MB in the beginning and 629.7 MB in the end (delta: 484.4 MB). Free memory was 100.1 MB in the beginning and 214.1 MB in the end (delta: -113.9 MB). Peak memory consumption was 502.9 MB. Max. memory is 7.1 GB. [2020-07-20 05:50:45,661 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 145.2 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 05:50:45,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.95 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 99.7 MB in the beginning and 170.5 MB in the end (delta: -70.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2020-07-20 05:50:45,662 INFO L168 Benchmark]: Boogie Preprocessor took 122.60 ms. Allocated memory is still 205.0 MB. Free memory was 170.5 MB in the beginning and 165.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-20 05:50:45,663 INFO L168 Benchmark]: RCFGBuilder took 1304.82 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 165.7 MB in the beginning and 180.7 MB in the end (delta: -15.0 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-07-20 05:50:45,664 INFO L168 Benchmark]: TraceAbstraction took 31190.65 ms. Allocated memory was 238.0 MB in the beginning and 629.7 MB in the end (delta: 391.6 MB). Free memory was 179.2 MB in the beginning and 214.1 MB in the end (delta: -34.8 MB). Peak memory consumption was 489.2 MB. Max. memory is 7.1 GB. [2020-07-20 05:50:45,668 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 145.2 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 727.95 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 99.7 MB in the beginning and 170.5 MB in the end (delta: -70.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.60 ms. Allocated memory is still 205.0 MB. Free memory was 170.5 MB in the beginning and 165.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1304.82 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 165.7 MB in the beginning and 180.7 MB in the end (delta: -15.0 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31190.65 ms. Allocated memory was 238.0 MB in the beginning and 629.7 MB in the end (delta: 391.6 MB). Free memory was 179.2 MB in the beginning and 214.1 MB in the end (delta: -34.8 MB). Peak memory consumption was 489.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 485]: 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: ((((((((((((((((((5 <= a16 && a16 <= 5) && 1 == a20) && a8 <= 14) || ((a8 <= 13 && a16 <= 5) && 1 == a20)) && 1 == a21) || ((a7 <= 0 && 1 == a21) && a20 <= 0)) || !(\old(a7) <= 0)) || (((a17 <= 0 && a7 <= 0) && 1 == a21) && 1 == a20)) || ((((1 == a7 && a17 <= 0) && a16 <= 5) && 1 == a21) && a20 <= 0)) || (((1 == a7 && a20 <= 0) && a8 <= 14) && a16 <= 4)) || !(5 <= \old(a16))) || (1 == a7 && ((((5 <= a16 && a16 <= 5) && 1 == a20) && a8 <= 14) || ((a8 <= 13 && a16 <= 5) && 1 == a20)))) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 == a20)) || !(1 == \old(a20))) || !(\old(a16) <= 5)) || ((((a8 <= 13 && a7 <= 0) && a16 <= 5) || ((a7 <= 0 && 1 == a20) && a8 <= 14)) && 1 == a21)) || (((a7 <= 0 && 5 <= a16) && 1 == a21) && 1 == a20)) || (((a16 <= 5 && 1 == a21) && a20 <= 0) && a8 <= 14)) || !(1 == \old(a21)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.0s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 18.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 701 SDtfs, 4160 SDslu, 559 SDs, 0 SdLazy, 11469 SolverSat, 1818 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1208 GetRequests, 1089 SyntacticMatches, 1 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4303occurred 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: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 2374 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 211 PreInvPairs, 433 NumberOfFragments, 883 HoareAnnotationTreeSize, 211 FomulaSimplifications, 310496 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13233 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2244 NumberOfCodeBlocks, 2244 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 2230 ConstructedInterpolants, 0 QuantifiedInterpolants, 999642 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2834 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 1024/1093 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...