/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/Problem02_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 05:53:16,801 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 05:53:16,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 05:53:16,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 05:53:16,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 05:53:16,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 05:53:16,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 05:53:16,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 05:53:16,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 05:53:16,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 05:53:16,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 05:53:16,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 05:53:16,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 05:53:16,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 05:53:16,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 05:53:16,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 05:53:16,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 05:53:16,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 05:53:16,890 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 05:53:16,928 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 05:53:16,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 05:53:16,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 05:53:16,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 05:53:16,933 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 05:53:16,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 05:53:16,933 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 05:53:16,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 05:53:16,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 05:53:16,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 05:53:16,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 05:53:16,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 05:53:16,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 05:53:16,934 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 05:53:16,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 05:53:16,935 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 05:53:16,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 05:53:16,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 05:53:16,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 05:53:16,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 05:53:16,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 05:53:16,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:53:16,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 05:53:16,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 05:53:16,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 05:53:16,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 05:53:16,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 05:53:16,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 05:53:16,941 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 05:53:16,941 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 05:53:17,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 05:53:17,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 05:53:17,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 05:53:17,278 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 05:53:17,278 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 05:53:17,279 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label19.c [2020-07-20 05:53:17,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e25c420a/5b4f04b4ec8b4249adf3ed7ef7e1c276/FLAG435c35baf [2020-07-20 05:53:17,947 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 05:53:17,947 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label19.c [2020-07-20 05:53:17,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e25c420a/5b4f04b4ec8b4249adf3ed7ef7e1c276/FLAG435c35baf [2020-07-20 05:53:18,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e25c420a/5b4f04b4ec8b4249adf3ed7ef7e1c276 [2020-07-20 05:53:18,173 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 05:53:18,176 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 05:53:18,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 05:53:18,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 05:53:18,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 05:53:18,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:53:18" (1/1) ... [2020-07-20 05:53:18,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c4825c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:18, skipping insertion in model container [2020-07-20 05:53:18,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:53:18" (1/1) ... [2020-07-20 05:53:18,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 05:53:18,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 05:53:18,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:53:18,777 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 05:53:19,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:53:19,048 INFO L208 MainTranslator]: Completed translation [2020-07-20 05:53:19,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:19 WrapperNode [2020-07-20 05:53:19,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 05:53:19,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 05:53:19,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 05:53:19,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 05:53:19,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:19" (1/1) ... [2020-07-20 05:53:19,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:19" (1/1) ... [2020-07-20 05:53:19,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:19" (1/1) ... [2020-07-20 05:53:19,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:19" (1/1) ... [2020-07-20 05:53:19,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:19" (1/1) ... [2020-07-20 05:53:19,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:19" (1/1) ... [2020-07-20 05:53:19,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:19" (1/1) ... [2020-07-20 05:53:19,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 05:53:19,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 05:53:19,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 05:53:19,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 05:53:19,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:53:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 05:53:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 05:53:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 05:53:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 05:53:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 05:53:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 05:53:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 05:53:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 05:53:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 05:53:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 05:53:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 05:53:20,382 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 05:53:20,382 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 05:53:20,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:53:20 BoogieIcfgContainer [2020-07-20 05:53:20,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 05:53:20,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 05:53:20,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 05:53:20,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 05:53:20,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:53:18" (1/3) ... [2020-07-20 05:53:20,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23228d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:53:20, skipping insertion in model container [2020-07-20 05:53:20,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:53:19" (2/3) ... [2020-07-20 05:53:20,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23228d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:53:20, skipping insertion in model container [2020-07-20 05:53:20,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:53:20" (3/3) ... [2020-07-20 05:53:20,398 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label19.c [2020-07-20 05:53:20,409 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 05:53:20,417 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 05:53:20,432 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 05:53:20,460 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 05:53:20,460 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 05:53:20,460 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 05:53:20,460 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 05:53:20,461 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 05:53:20,461 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 05:53:20,461 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 05:53:20,461 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 05:53:20,485 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 05:53:20,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 05:53:20,499 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:53:20,501 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:53:20,501 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:53:20,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:53:20,508 INFO L82 PathProgramCache]: Analyzing trace with hash 797442718, now seen corresponding path program 1 times [2020-07-20 05:53:20,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:53:20,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938648302] [2020-07-20 05:53:20,519 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@228bbea2 [2020-07-20 05:53:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:21,149 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 05:53:21,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938648302] [2020-07-20 05:53:21,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:53:21,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 05:53:21,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97059388] [2020-07-20 05:53:21,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 05:53:21,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:53:21,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 05:53:21,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 05:53:21,177 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-20 05:53:22,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:53:22,865 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-07-20 05:53:22,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 05:53:22,867 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-07-20 05:53:22,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:53:22,885 INFO L225 Difference]: With dead ends: 627 [2020-07-20 05:53:22,885 INFO L226 Difference]: Without dead ends: 327 [2020-07-20 05:53:22,892 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 05:53:22,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-07-20 05:53:22,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-07-20 05:53:22,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-20 05:53:22,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-07-20 05:53:22,978 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 98 [2020-07-20 05:53:22,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:53:22,979 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-07-20 05:53:22,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 05:53:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-07-20 05:53:22,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 05:53:22,986 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:53:22,986 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:53:22,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 05:53:22,987 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:53:22,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:53:22,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1720377347, now seen corresponding path program 1 times [2020-07-20 05:53:22,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:53:22,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029266511] [2020-07-20 05:53:22,988 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@228bbea2 [2020-07-20 05:53:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:23,185 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:53:23,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029266511] [2020-07-20 05:53:23,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:53:23,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 05:53:23,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109553058] [2020-07-20 05:53:23,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 05:53:23,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:53:23,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 05:53:23,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:53:23,190 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 8 states. [2020-07-20 05:53:25,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:53:25,332 INFO L93 Difference]: Finished difference Result 1102 states and 1690 transitions. [2020-07-20 05:53:25,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 05:53:25,333 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2020-07-20 05:53:25,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:53:25,341 INFO L225 Difference]: With dead ends: 1102 [2020-07-20 05:53:25,341 INFO L226 Difference]: Without dead ends: 789 [2020-07-20 05:53:25,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-20 05:53:25,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-07-20 05:53:25,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 772. [2020-07-20 05:53:25,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-07-20 05:53:25,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1127 transitions. [2020-07-20 05:53:25,401 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1127 transitions. Word has length 113 [2020-07-20 05:53:25,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:53:25,402 INFO L479 AbstractCegarLoop]: Abstraction has 772 states and 1127 transitions. [2020-07-20 05:53:25,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 05:53:25,402 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1127 transitions. [2020-07-20 05:53:25,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-20 05:53:25,407 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:53:25,408 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:53:25,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 05:53:25,408 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:53:25,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:53:25,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1091985480, now seen corresponding path program 1 times [2020-07-20 05:53:25,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:53:25,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733758103] [2020-07-20 05:53:25,410 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@228bbea2 [2020-07-20 05:53:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:25,650 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 05:53:25,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733758103] [2020-07-20 05:53:25,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327116005] [2020-07-20 05:53:25,651 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51096ab6 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 05:53:25,781 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51096ab6 issued 4 check-sat command(s) [2020-07-20 05:53:25,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:53:25,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:53:25,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:53:25,869 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:53:25,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:53:25,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-20 05:53:25,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988364148] [2020-07-20 05:53:25,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 05:53:25,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:53:25,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 05:53:25,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-20 05:53:25,872 INFO L87 Difference]: Start difference. First operand 772 states and 1127 transitions. Second operand 11 states. [2020-07-20 05:53:27,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:53:27,371 INFO L93 Difference]: Finished difference Result 1395 states and 2061 transitions. [2020-07-20 05:53:27,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 05:53:27,371 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 121 [2020-07-20 05:53:27,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:53:27,378 INFO L225 Difference]: With dead ends: 1395 [2020-07-20 05:53:27,378 INFO L226 Difference]: Without dead ends: 629 [2020-07-20 05:53:27,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-07-20 05:53:27,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2020-07-20 05:53:27,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 611. [2020-07-20 05:53:27,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-07-20 05:53:27,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 865 transitions. [2020-07-20 05:53:27,450 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 865 transitions. Word has length 121 [2020-07-20 05:53:27,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:53:27,454 INFO L479 AbstractCegarLoop]: Abstraction has 611 states and 865 transitions. [2020-07-20 05:53:27,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 05:53:27,455 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 865 transitions. [2020-07-20 05:53:27,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-20 05:53:27,458 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:53:27,458 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:53:27,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-20 05:53:27,672 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:53:27,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:53:27,673 INFO L82 PathProgramCache]: Analyzing trace with hash -540211274, now seen corresponding path program 1 times [2020-07-20 05:53:27,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:53:27,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874973412] [2020-07-20 05:53:27,674 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@228bbea2 [2020-07-20 05:53:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:27,848 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:53:27,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874973412] [2020-07-20 05:53:27,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:53:27,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 05:53:27,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448862653] [2020-07-20 05:53:27,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 05:53:27,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:53:27,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 05:53:27,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:53:27,851 INFO L87 Difference]: Start difference. First operand 611 states and 865 transitions. Second operand 8 states. [2020-07-20 05:53:29,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:53:29,695 INFO L93 Difference]: Finished difference Result 2304 states and 3399 transitions. [2020-07-20 05:53:29,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 05:53:29,699 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 120 [2020-07-20 05:53:29,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:53:29,709 INFO L225 Difference]: With dead ends: 2304 [2020-07-20 05:53:29,709 INFO L226 Difference]: Without dead ends: 1699 [2020-07-20 05:53:29,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-20 05:53:29,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2020-07-20 05:53:29,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1219. [2020-07-20 05:53:29,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1219 states. [2020-07-20 05:53:29,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1679 transitions. [2020-07-20 05:53:29,767 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1679 transitions. Word has length 120 [2020-07-20 05:53:29,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:53:29,767 INFO L479 AbstractCegarLoop]: Abstraction has 1219 states and 1679 transitions. [2020-07-20 05:53:29,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 05:53:29,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1679 transitions. [2020-07-20 05:53:29,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-07-20 05:53:29,771 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:53:29,772 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:53:29,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 05:53:29,772 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:53:29,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:53:29,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1255105582, now seen corresponding path program 1 times [2020-07-20 05:53:29,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:53:29,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152008800] [2020-07-20 05:53:29,773 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@228bbea2 [2020-07-20 05:53:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:30,142 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:53:30,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152008800] [2020-07-20 05:53:30,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765811421] [2020-07-20 05:53:30,143 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1157a651 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 05:53:30,291 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1157a651 issued 4 check-sat command(s) [2020-07-20 05:53:30,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:53:30,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 05:53:30,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:53:30,383 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:53:30,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:53:30,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-07-20 05:53:30,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299457201] [2020-07-20 05:53:30,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 05:53:30,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:53:30,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 05:53:30,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-20 05:53:30,388 INFO L87 Difference]: Start difference. First operand 1219 states and 1679 transitions. Second operand 5 states. [2020-07-20 05:53:31,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:53:31,369 INFO L93 Difference]: Finished difference Result 3536 states and 5143 transitions. [2020-07-20 05:53:31,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 05:53:31,370 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-07-20 05:53:31,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:53:31,386 INFO L225 Difference]: With dead ends: 3536 [2020-07-20 05:53:31,386 INFO L226 Difference]: Without dead ends: 2323 [2020-07-20 05:53:31,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-20 05:53:31,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2323 states. [2020-07-20 05:53:31,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2323 to 2145. [2020-07-20 05:53:31,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2145 states. [2020-07-20 05:53:31,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2893 transitions. [2020-07-20 05:53:31,486 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2893 transitions. Word has length 124 [2020-07-20 05:53:31,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:53:31,488 INFO L479 AbstractCegarLoop]: Abstraction has 2145 states and 2893 transitions. [2020-07-20 05:53:31,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 05:53:31,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2893 transitions. [2020-07-20 05:53:31,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-20 05:53:31,497 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:53:31,498 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:53:31,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:53:31,713 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:53:31,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:53:31,714 INFO L82 PathProgramCache]: Analyzing trace with hash -570592108, now seen corresponding path program 1 times [2020-07-20 05:53:31,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:53:31,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389185653] [2020-07-20 05:53:31,716 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@228bbea2 [2020-07-20 05:53:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:31,856 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:53:31,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389185653] [2020-07-20 05:53:31,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:53:31,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 05:53:31,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157326568] [2020-07-20 05:53:31,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 05:53:31,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:53:31,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 05:53:31,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:53:31,858 INFO L87 Difference]: Start difference. First operand 2145 states and 2893 transitions. Second operand 8 states. [2020-07-20 05:53:33,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:53:33,641 INFO L93 Difference]: Finished difference Result 6216 states and 8625 transitions. [2020-07-20 05:53:33,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 05:53:33,642 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 133 [2020-07-20 05:53:33,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:53:33,663 INFO L225 Difference]: With dead ends: 6216 [2020-07-20 05:53:33,663 INFO L226 Difference]: Without dead ends: 4077 [2020-07-20 05:53:33,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-20 05:53:33,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4077 states. [2020-07-20 05:53:33,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4077 to 3777. [2020-07-20 05:53:33,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3777 states. [2020-07-20 05:53:33,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3777 states to 3777 states and 4676 transitions. [2020-07-20 05:53:33,792 INFO L78 Accepts]: Start accepts. Automaton has 3777 states and 4676 transitions. Word has length 133 [2020-07-20 05:53:33,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:53:33,794 INFO L479 AbstractCegarLoop]: Abstraction has 3777 states and 4676 transitions. [2020-07-20 05:53:33,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 05:53:33,794 INFO L276 IsEmpty]: Start isEmpty. Operand 3777 states and 4676 transitions. [2020-07-20 05:53:33,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-20 05:53:33,804 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:53:33,804 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:53:33,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 05:53:33,804 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:53:33,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:53:33,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1254253877, now seen corresponding path program 1 times [2020-07-20 05:53:33,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:53:33,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565510929] [2020-07-20 05:53:33,806 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@228bbea2 [2020-07-20 05:53:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:33,987 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:53:33,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565510929] [2020-07-20 05:53:33,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585396804] [2020-07-20 05:53:33,988 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3766ea7e 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 05:53:34,094 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3766ea7e issued 4 check-sat command(s) [2020-07-20 05:53:34,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:53:34,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 05:53:34,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:53:34,125 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:53:34,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:53:34,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2020-07-20 05:53:34,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352263039] [2020-07-20 05:53:34,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 05:53:34,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:53:34,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 05:53:34,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 05:53:34,127 INFO L87 Difference]: Start difference. First operand 3777 states and 4676 transitions. Second operand 7 states. [2020-07-20 05:53:35,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:53:35,989 INFO L93 Difference]: Finished difference Result 6879 states and 8466 transitions. [2020-07-20 05:53:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 05:53:35,990 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 146 [2020-07-20 05:53:35,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:53:36,010 INFO L225 Difference]: With dead ends: 6879 [2020-07-20 05:53:36,011 INFO L226 Difference]: Without dead ends: 2941 [2020-07-20 05:53:36,025 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 05:53:36,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2941 states. [2020-07-20 05:53:36,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2941 to 2910. [2020-07-20 05:53:36,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2910 states. [2020-07-20 05:53:36,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 2910 states and 3370 transitions. [2020-07-20 05:53:36,132 INFO L78 Accepts]: Start accepts. Automaton has 2910 states and 3370 transitions. Word has length 146 [2020-07-20 05:53:36,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:53:36,133 INFO L479 AbstractCegarLoop]: Abstraction has 2910 states and 3370 transitions. [2020-07-20 05:53:36,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 05:53:36,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2910 states and 3370 transitions. [2020-07-20 05:53:36,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-20 05:53:36,145 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:53:36,145 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:53:36,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:53:36,362 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:53:36,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:53:36,363 INFO L82 PathProgramCache]: Analyzing trace with hash -686446993, now seen corresponding path program 1 times [2020-07-20 05:53:36,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:53:36,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006078316] [2020-07-20 05:53:36,363 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@228bbea2 [2020-07-20 05:53:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:36,593 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 83 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 05:53:36,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006078316] [2020-07-20 05:53:36,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327187143] [2020-07-20 05:53:36,594 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3c9e4189 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:53:36,714 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3c9e4189 issued 4 check-sat command(s) [2020-07-20 05:53:36,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:53:36,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:53:36,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:53:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 05:53:36,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:53:36,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-20 05:53:36,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263658315] [2020-07-20 05:53:36,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 05:53:36,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:53:36,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 05:53:36,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-20 05:53:36,784 INFO L87 Difference]: Start difference. First operand 2910 states and 3370 transitions. Second operand 11 states. [2020-07-20 05:53:39,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:53:39,523 INFO L93 Difference]: Finished difference Result 6242 states and 7382 transitions. [2020-07-20 05:53:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 05:53:39,525 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2020-07-20 05:53:39,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:53:39,539 INFO L225 Difference]: With dead ends: 6242 [2020-07-20 05:53:39,540 INFO L226 Difference]: Without dead ends: 3342 [2020-07-20 05:53:39,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-20 05:53:39,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3342 states. [2020-07-20 05:53:39,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3342 to 3044. [2020-07-20 05:53:39,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3044 states. [2020-07-20 05:53:39,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 3425 transitions. [2020-07-20 05:53:39,630 INFO L78 Accepts]: Start accepts. Automaton has 3044 states and 3425 transitions. Word has length 159 [2020-07-20 05:53:39,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:53:39,633 INFO L479 AbstractCegarLoop]: Abstraction has 3044 states and 3425 transitions. [2020-07-20 05:53:39,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 05:53:39,633 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 3425 transitions. [2020-07-20 05:53:39,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-07-20 05:53:39,642 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:53:39,642 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:53:39,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:53:39,857 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:53:39,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:53:39,857 INFO L82 PathProgramCache]: Analyzing trace with hash 884199043, now seen corresponding path program 1 times [2020-07-20 05:53:39,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:53:39,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102301119] [2020-07-20 05:53:39,858 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@228bbea2 [2020-07-20 05:53:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:40,102 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 113 proven. 25 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 05:53:40,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102301119] [2020-07-20 05:53:40,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2628647] [2020-07-20 05:53:40,104 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5bfade5d 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 05:53:40,250 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5bfade5d issued 4 check-sat command(s) [2020-07-20 05:53:40,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:53:40,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:53:40,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:53:40,368 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-20 05:53:40,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:53:40,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-20 05:53:40,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759530456] [2020-07-20 05:53:40,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 05:53:40,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:53:40,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 05:53:40,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 05:53:40,372 INFO L87 Difference]: Start difference. First operand 3044 states and 3425 transitions. Second operand 10 states. [2020-07-20 05:53:42,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:53:42,333 INFO L93 Difference]: Finished difference Result 6708 states and 7683 transitions. [2020-07-20 05:53:42,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-20 05:53:42,334 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 210 [2020-07-20 05:53:42,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:53:42,345 INFO L225 Difference]: With dead ends: 6708 [2020-07-20 05:53:42,345 INFO L226 Difference]: Without dead ends: 2718 [2020-07-20 05:53:42,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2020-07-20 05:53:42,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2718 states. [2020-07-20 05:53:42,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2718 to 2540. [2020-07-20 05:53:42,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2540 states. [2020-07-20 05:53:42,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2540 states and 2678 transitions. [2020-07-20 05:53:42,424 INFO L78 Accepts]: Start accepts. Automaton has 2540 states and 2678 transitions. Word has length 210 [2020-07-20 05:53:42,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:53:42,424 INFO L479 AbstractCegarLoop]: Abstraction has 2540 states and 2678 transitions. [2020-07-20 05:53:42,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 05:53:42,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 2678 transitions. [2020-07-20 05:53:42,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-07-20 05:53:42,432 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:53:42,432 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:53:42,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:53:42,648 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:53:42,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:53:42,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1962742350, now seen corresponding path program 1 times [2020-07-20 05:53:42,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:53:42,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853047535] [2020-07-20 05:53:42,650 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@228bbea2 [2020-07-20 05:53:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:53:43,004 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 136 proven. 3 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-07-20 05:53:43,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853047535] [2020-07-20 05:53:43,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501051419] [2020-07-20 05:53:43,006 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@e248839 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:53:43,152 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@e248839 issued 4 check-sat command(s) [2020-07-20 05:53:43,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:53:43,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 05:53:43,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:53:43,212 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-07-20 05:53:43,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:53:43,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-07-20 05:53:43,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689175765] [2020-07-20 05:53:43,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 05:53:43,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:53:43,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 05:53:43,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 05:53:43,215 INFO L87 Difference]: Start difference. First operand 2540 states and 2678 transitions. Second operand 3 states. [2020-07-20 05:53:43,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:53:43,634 INFO L93 Difference]: Finished difference Result 3130 states and 3290 transitions. [2020-07-20 05:53:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 05:53:43,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2020-07-20 05:53:43,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:53:43,640 INFO L225 Difference]: With dead ends: 3130 [2020-07-20 05:53:43,640 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 05:53:43,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 05:53:43,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 05:53:43,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 05:53:43,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 05:53:43,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 05:53:43,646 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 240 [2020-07-20 05:53:43,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:53:43,646 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 05:53:43,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 05:53:43,647 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 05:53:43,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 05:53:43,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:53:43,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 05:53:44,368 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 141 [2020-07-20 05:53:44,521 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 141 [2020-07-20 05:53:45,834 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 158 DAG size of output: 75 [2020-07-20 05:53:46,797 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 63 [2020-07-20 05:53:47,677 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 63 [2020-07-20 05:53:47,681 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 05:53:47,682 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-20 05:53:47,682 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 05:53:47,682 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,682 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,682 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,683 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,683 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,683 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 05:53:47,683 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 05:53:47,683 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 05:53:47,684 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 05:53:47,684 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 05:53:47,684 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 05:53:47,684 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 05:53:47,684 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 05:53:47,684 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 05:53:47,684 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 05:53:47,684 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 05:53:47,685 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 05:53:47,685 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 05:53:47,685 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,685 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,685 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,685 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,685 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 05:53:47,685 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,685 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 05:53:47,685 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 05:53:47,685 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 05:53:47,685 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 05:53:47,685 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 05:53:47,686 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 05:53:47,686 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 05:53:47,686 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 05:53:47,686 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 05:53:47,686 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 05:53:47,686 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 05:53:47,686 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 05:53:47,686 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 05:53:47,687 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 05:53:47,687 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 05:53:47,687 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,687 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,687 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,687 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,687 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,688 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2020-07-20 05:53:47,688 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 05:53:47,688 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 05:53:47,688 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 05:53:47,688 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 05:53:47,688 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 05:53:47,688 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 05:53:47,689 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 05:53:47,689 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 05:53:47,689 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 05:53:47,689 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 05:53:47,689 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 05:53:47,689 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,689 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,689 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,690 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,690 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,690 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 05:53:47,690 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 05:53:47,690 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 05:53:47,690 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 05:53:47,690 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 05:53:47,690 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 05:53:47,690 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 05:53:47,691 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 05:53:47,691 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 05:53:47,691 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 05:53:47,691 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 05:53:47,691 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 05:53:47,691 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 05:53:47,691 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,692 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,692 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,692 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,692 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,692 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 05:53:47,692 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 05:53:47,692 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 05:53:47,692 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 05:53:47,692 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 05:53:47,693 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 05:53:47,693 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 05:53:47,693 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 05:53:47,693 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 05:53:47,693 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 05:53:47,693 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 05:53:47,693 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 05:53:47,693 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 05:53:47,694 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 05:53:47,694 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 05:53:47,694 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 05:53:47,694 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,694 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,694 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,694 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,694 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 05:53:47,694 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,694 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 05:53:47,694 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,694 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 05:53:47,694 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 05:53:47,695 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 05:53:47,695 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,695 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,695 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 05:53:47,695 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 05:53:47,695 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 05:53:47,695 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 05:53:47,695 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 05:53:47,695 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 05:53:47,695 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 05:53:47,695 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 05:53:47,696 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 05:53:47,696 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 05:53:47,696 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 05:53:47,696 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,696 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,696 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,696 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,696 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,697 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,697 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 05:53:47,697 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 05:53:47,697 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 05:53:47,697 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 05:53:47,697 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 05:53:47,697 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 05:53:47,697 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 05:53:47,698 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 05:53:47,698 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 05:53:47,698 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 05:53:47,698 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 05:53:47,698 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,698 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,698 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,698 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,699 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,699 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,699 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 05:53:47,699 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 05:53:47,699 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 05:53:47,699 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 05:53:47,699 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 05:53:47,699 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 05:53:47,699 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 05:53:47,700 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 05:53:47,700 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 05:53:47,700 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 05:53:47,700 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 05:53:47,700 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 05:53:47,700 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 05:53:47,700 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 05:53:47,700 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,701 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,701 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,701 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (= 1 ~a25~0)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse15 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse16 (= ~a25~0 |old(~a25~0)|))) (let ((.cse14 (not (<= 10 |old(~a28~0)|))) (.cse6 (= 8 ~a17~0)) (.cse8 (= |old(~a17~0)| |old(~a28~0)|)) (.cse20 (not (<= |old(~a17~0)| 7))) (.cse12 (= 11 |old(~a28~0)|)) (.cse19 (not (<= |old(~a28~0)| 7))) (.cse10 (and .cse3 (<= ~a17~0 8) .cse15 (<= ~a25~0 0) .cse4 .cse5 .cse16)) (.cse9 (not (<= |old(~a25~0)| 0))) (.cse11 (not (<= |old(~a17~0)| 8))) (.cse13 (not (= 1 |old(~a11~0)|))) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse1 (not (= 8 |old(~a17~0)|))) (.cse18 (and .cse3 .cse15 .cse5 .cse4 .cse7)) (.cse2 (not (= 1 |old(~a25~0)|))) (.cse17 (not (<= |old(~a11~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7) .cse8) (or .cse0 .cse9 .cse10 .cse8 .cse11 .cse12 .cse13) (or .cse0 .cse9 .cse10 .cse14 .cse11 .cse12) (or .cse0 .cse1 (and .cse3 .cse15 .cse5 .cse4 .cse16) .cse9 .cse12 .cse17) (or .cse1 .cse18 .cse2 .cse14 .cse12 .cse17) (or .cse1 .cse18 .cse19 .cse2 .cse17) (or .cse0 .cse19 .cse2 .cse20 (and (= 1 ~a11~0) .cse15 .cse4 .cse5 .cse7) .cse13) (or .cse10 .cse9 .cse8 .cse20 .cse11 .cse12) (or .cse1 .cse9 .cse12 (= 9 |old(~a28~0)|) .cse17 (and .cse3 .cse4 .cse5 .cse6 .cse16)) (or .cse2 .cse8 .cse20 (and .cse3 .cse15 .cse4 .cse5 .cse7) .cse12) (or .cse1 .cse19 .cse10 .cse9 .cse11 .cse13) (or .cse0 .cse1 .cse18 .cse2 .cse17)))) [2020-07-20 05:53:47,701 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,701 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,701 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,702 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 05:53:47,702 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 05:53:47,702 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 05:53:47,702 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 05:53:47,702 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 05:53:47,702 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 05:53:47,702 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 05:53:47,702 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 05:53:47,702 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 05:53:47,703 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 05:53:47,703 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 05:53:47,703 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 05:53:47,703 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 05:53:47,703 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,703 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,703 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,703 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,703 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,704 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,704 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 05:53:47,704 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 05:53:47,704 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 05:53:47,704 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 05:53:47,704 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 05:53:47,704 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 05:53:47,704 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 05:53:47,704 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 05:53:47,705 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 05:53:47,705 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 05:53:47,705 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 05:53:47,705 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 05:53:47,705 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 05:53:47,705 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 05:53:47,705 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 05:53:47,705 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 05:53:47,705 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,706 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,706 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,706 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,706 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:53:47,706 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 05:53:47,706 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 05:53:47,706 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 05:53:47,706 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 05:53:47,707 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 05:53:47,707 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 05:53:47,707 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 05:53:47,707 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 05:53:47,707 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 05:53:47,707 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 05:53:47,707 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 05:53:47,707 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 05:53:47,707 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 05:53:47,708 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 05:53:47,708 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 05:53:47,708 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 05:53:47,708 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 05:53:47,708 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 05:53:47,708 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 05:53:47,708 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 05:53:47,708 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a25~0 0) (= 8 ~a17~0) (<= ~a28~0 7)) [2020-07-20 05:53:47,709 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 05:53:47,709 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 05:53:47,709 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a28~0)| 7)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a11~0)| 0))) [2020-07-20 05:53:47,709 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (not (= ~a28~0 ~a17~0))) (.cse9 (<= ~a17~0 7)) (.cse0 (= 1 ~a19~0)) (.cse11 (<= 10 ~a28~0)) (.cse8 (= 1 ~a25~0)) (.cse2 (= 1 ~a11~0)) (.cse4 (<= ~a17~0 8)) (.cse10 (<= ~a28~0 7)) (.cse1 (not (= 11 ~a28~0))) (.cse6 (<= ~a11~0 0)) (.cse5 (<= ~a25~0 0)) (.cse7 (= 8 ~a17~0))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse5 .cse7) (and .cse0 .cse3 .cse7 .cse8) (and .cse1 .cse3 .cse9 .cse8) (not (<= |old(~a11~0)| 0)) (and .cse6 .cse7 .cse10 .cse8) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse2 .cse9 .cse10 .cse8) (and .cse0 .cse1 .cse4 .cse5 .cse11) (and .cse1 .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse6 .cse7 .cse8) (not (<= |old(~a25~0)| 0)) (and .cse6 .cse1 .cse11 .cse7 .cse8) (and .cse2 .cse4 (= ~a17~0 |old(~a17~0)|) .cse5 .cse10) (and .cse1 .cse6 .cse5 (not (= 9 ~a28~0)) .cse7))) [2020-07-20 05:53:47,709 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 05:53:47,710 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 05:53:47,710 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (not (= ~a28~0 ~a17~0))) (.cse9 (<= ~a17~0 7)) (.cse0 (= 1 ~a19~0)) (.cse11 (<= 10 ~a28~0)) (.cse8 (= 1 ~a25~0)) (.cse2 (= 1 ~a11~0)) (.cse4 (<= ~a17~0 8)) (.cse10 (<= ~a28~0 7)) (.cse1 (not (= 11 ~a28~0))) (.cse6 (<= ~a11~0 0)) (.cse5 (<= ~a25~0 0)) (.cse7 (= 8 ~a17~0))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse5 .cse7) (and .cse0 .cse3 .cse7 .cse8) (and .cse1 .cse3 .cse9 .cse8) (not (<= |old(~a11~0)| 0)) (and .cse6 .cse7 .cse10 .cse8) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse2 .cse9 .cse10 .cse8) (and .cse0 .cse1 .cse4 .cse5 .cse11) (and .cse1 .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse6 .cse7 .cse8) (not (<= |old(~a25~0)| 0)) (and .cse6 .cse1 .cse11 .cse7 .cse8) (and .cse2 .cse4 (= ~a17~0 |old(~a17~0)|) .cse5 .cse10) (and .cse1 .cse6 .cse5 (not (= 9 ~a28~0)) .cse7))) [2020-07-20 05:53:47,710 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 05:53:47,710 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 05:53:47,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:53:47 BoogieIcfgContainer [2020-07-20 05:53:47,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 05:53:47,738 INFO L168 Benchmark]: Toolchain (without parser) took 29563.08 ms. Allocated memory was 139.5 MB in the beginning and 572.0 MB in the end (delta: 432.5 MB). Free memory was 102.3 MB in the beginning and 337.4 MB in the end (delta: -235.1 MB). Peak memory consumption was 452.3 MB. Max. memory is 7.1 GB. [2020-07-20 05:53:47,738 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 05:53:47,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 872.14 ms. Allocated memory was 139.5 MB in the beginning and 206.6 MB in the end (delta: 67.1 MB). Free memory was 101.9 MB in the beginning and 174.0 MB in the end (delta: -72.1 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. [2020-07-20 05:53:47,740 INFO L168 Benchmark]: Boogie Preprocessor took 121.03 ms. Allocated memory is still 206.6 MB. Free memory was 174.0 MB in the beginning and 169.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-20 05:53:47,741 INFO L168 Benchmark]: RCFGBuilder took 1217.34 ms. Allocated memory was 206.6 MB in the beginning and 238.6 MB in the end (delta: 32.0 MB). Free memory was 169.1 MB in the beginning and 182.1 MB in the end (delta: -13.0 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-07-20 05:53:47,742 INFO L168 Benchmark]: TraceAbstraction took 27345.41 ms. Allocated memory was 238.6 MB in the beginning and 572.0 MB in the end (delta: 333.4 MB). Free memory was 182.1 MB in the beginning and 337.4 MB in the end (delta: -155.3 MB). Peak memory consumption was 433.0 MB. Max. memory is 7.1 GB. [2020-07-20 05:53:47,746 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 872.14 ms. Allocated memory was 139.5 MB in the beginning and 206.6 MB in the end (delta: 67.1 MB). Free memory was 101.9 MB in the beginning and 174.0 MB in the end (delta: -72.1 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.03 ms. Allocated memory is still 206.6 MB. Free memory was 174.0 MB in the beginning and 169.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1217.34 ms. Allocated memory was 206.6 MB in the beginning and 238.6 MB in the end (delta: 32.0 MB). Free memory was 169.1 MB in the beginning and 182.1 MB in the end (delta: -13.0 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27345.41 ms. Allocated memory was 238.6 MB in the beginning and 572.0 MB in the end (delta: 333.4 MB). Free memory was 182.1 MB in the beginning and 337.4 MB in the end (delta: -155.3 MB). Peak memory consumption was 433.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 448]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((!(1 == \old(a19)) || !(\old(a28) <= 7)) || (((((1 == a19 && !(11 == a28)) && 1 == a11) && !(a28 == a17)) && a17 <= 8) && a25 <= 0)) || ((((1 == a19 && !(11 == a28)) && a11 <= 0) && a25 <= 0) && 8 == a17)) || (((1 == a19 && !(a28 == a17)) && 8 == a17) && 1 == a25)) || (((!(11 == a28) && !(a28 == a17)) && a17 <= 7) && 1 == a25)) || !(\old(a11) <= 0)) || (((a11 <= 0 && 8 == a17) && a28 <= 7) && 1 == a25)) || !(8 == \old(a17))) || ((((1 == a19 && 1 == a11) && a17 <= 7) && a28 <= 7) && 1 == a25)) || ((((1 == a19 && !(11 == a28)) && a17 <= 8) && a25 <= 0) && 10 <= a28)) || ((((!(11 == a28) && !(a28 == a17)) && a17 <= 8) && a25 <= 0) && a17 <= 7)) || (((1 == a19 && a11 <= 0) && 8 == a17) && 1 == a25)) || !(\old(a25) <= 0)) || ((((a11 <= 0 && !(11 == a28)) && 10 <= a28) && 8 == a17) && 1 == a25)) || ((((1 == a11 && a17 <= 8) && a17 == \old(a17)) && a25 <= 0) && a28 <= 7)) || ((((!(11 == a28) && a11 <= 0) && a25 <= 0) && !(9 == a28)) && 8 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.4s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 17.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 508 SDtfs, 8189 SDslu, 534 SDs, 0 SdLazy, 10055 SolverSat, 2237 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1184 GetRequests, 1065 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3777occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 1508 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 134 PreInvPairs, 188 NumberOfFragments, 983 HoareAnnotationTreeSize, 134 FomulaSimplifications, 96293 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7700 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2464 NumberOfCodeBlocks, 2464 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 2448 ConstructedInterpolants, 0 QuantifiedInterpolants, 980988 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2623 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 1222/1271 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...