/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_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 05:54:26,985 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 05:54:27,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 05:54:27,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 05:54:27,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 05:54:27,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 05:54:27,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 05:54:27,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 05:54:27,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 05:54:27,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 05:54:27,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 05:54:27,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 05:54:27,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 05:54:27,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 05:54:27,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 05:54:27,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 05:54:27,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 05:54:27,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 05:54:27,038 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 05:54:27,054 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 05:54:27,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 05:54:27,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 05:54:27,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 05:54:27,056 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 05:54:27,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 05:54:27,056 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 05:54:27,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 05:54:27,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 05:54:27,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 05:54:27,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 05:54:27,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 05:54:27,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 05:54:27,057 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 05:54:27,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 05:54:27,058 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 05:54:27,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 05:54:27,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 05:54:27,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 05:54:27,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 05:54:27,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 05:54:27,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:54:27,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 05:54:27,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 05:54:27,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 05:54:27,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 05:54:27,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 05:54:27,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 05:54:27,060 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 05:54:27,061 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 05:54:27,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 05:54:27,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 05:54:27,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 05:54:27,341 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 05:54:27,342 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 05:54:27,342 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2020-07-20 05:54:27,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abf3f9b49/80a5f249cce0481ba65e7a052fea1717/FLAG6e91615e6 [2020-07-20 05:54:28,048 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 05:54:28,049 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2020-07-20 05:54:28,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abf3f9b49/80a5f249cce0481ba65e7a052fea1717/FLAG6e91615e6 [2020-07-20 05:54:28,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abf3f9b49/80a5f249cce0481ba65e7a052fea1717 [2020-07-20 05:54:28,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 05:54:28,369 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 05:54:28,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 05:54:28,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 05:54:28,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 05:54:28,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:54:28" (1/1) ... [2020-07-20 05:54:28,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9188d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:28, skipping insertion in model container [2020-07-20 05:54:28,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:54:28" (1/1) ... [2020-07-20 05:54:28,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 05:54:28,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 05:54:28,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:54:28,955 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 05:54:29,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:54:29,069 INFO L208 MainTranslator]: Completed translation [2020-07-20 05:54:29,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:29 WrapperNode [2020-07-20 05:54:29,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 05:54:29,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 05:54:29,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 05:54:29,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 05:54:29,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:29" (1/1) ... [2020-07-20 05:54:29,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:29" (1/1) ... [2020-07-20 05:54:29,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:29" (1/1) ... [2020-07-20 05:54:29,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:29" (1/1) ... [2020-07-20 05:54:29,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:29" (1/1) ... [2020-07-20 05:54:29,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:29" (1/1) ... [2020-07-20 05:54:29,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:29" (1/1) ... [2020-07-20 05:54:29,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 05:54:29,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 05:54:29,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 05:54:29,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 05:54:29,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:29" (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 05:54:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 05:54:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 05:54:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 05:54:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 05:54:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 05:54:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 05:54:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 05:54:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 05:54:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 05:54:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 05:54:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 05:54:30,514 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 05:54:30,515 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 05:54:30,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:54:30 BoogieIcfgContainer [2020-07-20 05:54:30,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 05:54:30,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 05:54:30,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 05:54:30,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 05:54:30,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:54:28" (1/3) ... [2020-07-20 05:54:30,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7ccfdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:54:30, skipping insertion in model container [2020-07-20 05:54:30,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:29" (2/3) ... [2020-07-20 05:54:30,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7ccfdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:54:30, skipping insertion in model container [2020-07-20 05:54:30,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:54:30" (3/3) ... [2020-07-20 05:54:30,536 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label41.c [2020-07-20 05:54:30,547 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 05:54:30,556 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 05:54:30,569 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 05:54:30,595 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 05:54:30,595 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 05:54:30,596 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 05:54:30,596 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 05:54:30,596 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 05:54:30,596 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 05:54:30,597 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 05:54:30,597 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 05:54:30,620 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 05:54:30,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-20 05:54:30,632 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:30,633 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] [2020-07-20 05:54:30,634 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:30,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:30,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1961179338, now seen corresponding path program 1 times [2020-07-20 05:54:30,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:30,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876146003] [2020-07-20 05:54:30,650 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d28339f [2020-07-20 05:54:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:31,165 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 05:54:31,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876146003] [2020-07-20 05:54:31,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:54:31,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 05:54:31,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071049990] [2020-07-20 05:54:31,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 05:54:31,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:31,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 05:54:31,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 05:54:31,199 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-07-20 05:54:32,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:32,851 INFO L93 Difference]: Finished difference Result 651 states and 1104 transitions. [2020-07-20 05:54:32,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 05:54:32,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2020-07-20 05:54:32,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:32,883 INFO L225 Difference]: With dead ends: 651 [2020-07-20 05:54:32,884 INFO L226 Difference]: Without dead ends: 336 [2020-07-20 05:54:32,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 05:54:32,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2020-07-20 05:54:33,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 323. [2020-07-20 05:54:33,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-07-20 05:54:33,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 475 transitions. [2020-07-20 05:54:33,024 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 475 transitions. Word has length 96 [2020-07-20 05:54:33,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:33,026 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 475 transitions. [2020-07-20 05:54:33,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 05:54:33,027 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 475 transitions. [2020-07-20 05:54:33,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-07-20 05:54:33,041 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:33,041 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:54:33,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 05:54:33,042 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:33,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:33,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1188249681, now seen corresponding path program 1 times [2020-07-20 05:54:33,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:33,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577394858] [2020-07-20 05:54:33,043 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d28339f [2020-07-20 05:54:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:33,293 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:54:33,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577394858] [2020-07-20 05:54:33,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23236156] [2020-07-20 05:54:33,294 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a9a2ff3 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:33,455 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a9a2ff3 issued 4 check-sat command(s) [2020-07-20 05:54:33,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:54:33,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:54:33,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:54:33,550 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:54:33,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:54:33,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2020-07-20 05:54:33,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931380746] [2020-07-20 05:54:33,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 05:54:33,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:33,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 05:54:33,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:54:33,554 INFO L87 Difference]: Start difference. First operand 323 states and 475 transitions. Second operand 3 states. [2020-07-20 05:54:34,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:34,259 INFO L93 Difference]: Finished difference Result 933 states and 1395 transitions. [2020-07-20 05:54:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 05:54:34,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-07-20 05:54:34,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:34,271 INFO L225 Difference]: With dead ends: 933 [2020-07-20 05:54:34,271 INFO L226 Difference]: Without dead ends: 616 [2020-07-20 05:54:34,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:54:34,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2020-07-20 05:54:34,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 615. [2020-07-20 05:54:34,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2020-07-20 05:54:34,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 873 transitions. [2020-07-20 05:54:34,307 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 873 transitions. Word has length 104 [2020-07-20 05:54:34,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:34,308 INFO L479 AbstractCegarLoop]: Abstraction has 615 states and 873 transitions. [2020-07-20 05:54:34,308 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 05:54:34,308 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 873 transitions. [2020-07-20 05:54:34,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-20 05:54:34,311 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:34,311 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:54:34,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-20 05:54:34,525 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:34,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:34,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1268971123, now seen corresponding path program 1 times [2020-07-20 05:54:34,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:34,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783113639] [2020-07-20 05:54:34,528 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d28339f [2020-07-20 05:54:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:54:34,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783113639] [2020-07-20 05:54:34,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:54:34,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 05:54:34,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689377261] [2020-07-20 05:54:34,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 05:54:34,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:34,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 05:54:34,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:54:34,729 INFO L87 Difference]: Start difference. First operand 615 states and 873 transitions. Second operand 8 states. [2020-07-20 05:54:35,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:35,709 INFO L93 Difference]: Finished difference Result 1236 states and 1816 transitions. [2020-07-20 05:54:35,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 05:54:35,711 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 106 [2020-07-20 05:54:35,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:35,716 INFO L225 Difference]: With dead ends: 1236 [2020-07-20 05:54:35,716 INFO L226 Difference]: Without dead ends: 627 [2020-07-20 05:54:35,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-20 05:54:35,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-07-20 05:54:35,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 603. [2020-07-20 05:54:35,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2020-07-20 05:54:35,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 814 transitions. [2020-07-20 05:54:35,750 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 814 transitions. Word has length 106 [2020-07-20 05:54:35,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:35,750 INFO L479 AbstractCegarLoop]: Abstraction has 603 states and 814 transitions. [2020-07-20 05:54:35,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 05:54:35,751 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 814 transitions. [2020-07-20 05:54:35,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-20 05:54:35,753 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:35,754 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:54:35,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 05:54:35,754 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:35,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:35,755 INFO L82 PathProgramCache]: Analyzing trace with hash 2106809349, now seen corresponding path program 1 times [2020-07-20 05:54:35,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:35,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837255323] [2020-07-20 05:54:35,755 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d28339f [2020-07-20 05:54:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:54:35,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837255323] [2020-07-20 05:54:35,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192627779] [2020-07-20 05:54:35,931 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@50962c7a No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:36,018 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@50962c7a issued 4 check-sat command(s) [2020-07-20 05:54:36,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:54:36,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:54:36,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:54:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:54:36,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:54:36,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-20 05:54:36,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135019383] [2020-07-20 05:54:36,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 05:54:36,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:36,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 05:54:36,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 05:54:36,061 INFO L87 Difference]: Start difference. First operand 603 states and 814 transitions. Second operand 3 states. [2020-07-20 05:54:36,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:36,637 INFO L93 Difference]: Finished difference Result 1204 states and 1650 transitions. [2020-07-20 05:54:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 05:54:36,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-07-20 05:54:36,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:36,642 INFO L225 Difference]: With dead ends: 1204 [2020-07-20 05:54:36,642 INFO L226 Difference]: Without dead ends: 751 [2020-07-20 05:54:36,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 05:54:36,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2020-07-20 05:54:36,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 607. [2020-07-20 05:54:36,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-07-20 05:54:36,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 781 transitions. [2020-07-20 05:54:36,667 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 781 transitions. Word has length 110 [2020-07-20 05:54:36,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:36,668 INFO L479 AbstractCegarLoop]: Abstraction has 607 states and 781 transitions. [2020-07-20 05:54:36,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 05:54:36,668 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 781 transitions. [2020-07-20 05:54:36,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-07-20 05:54:36,670 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:36,671 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:54:36,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:36,883 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:36,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:36,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1318994351, now seen corresponding path program 1 times [2020-07-20 05:54:36,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:36,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521763311] [2020-07-20 05:54:36,885 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d28339f [2020-07-20 05:54:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:37,048 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:54:37,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521763311] [2020-07-20 05:54:37,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657731070] [2020-07-20 05:54:37,049 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10d206cc 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 05:54:37,183 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@10d206cc issued 4 check-sat command(s) [2020-07-20 05:54:37,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:54:37,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 05:54:37,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:54:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 05:54:37,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:54:37,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-07-20 05:54:37,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391640106] [2020-07-20 05:54:37,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 05:54:37,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:37,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 05:54:37,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 05:54:37,263 INFO L87 Difference]: Start difference. First operand 607 states and 781 transitions. Second operand 7 states. [2020-07-20 05:54:39,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:39,317 INFO L93 Difference]: Finished difference Result 2993 states and 4035 transitions. [2020-07-20 05:54:39,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 05:54:39,318 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 117 [2020-07-20 05:54:39,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:39,332 INFO L225 Difference]: With dead ends: 2993 [2020-07-20 05:54:39,332 INFO L226 Difference]: Without dead ends: 2392 [2020-07-20 05:54:39,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-07-20 05:54:39,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2392 states. [2020-07-20 05:54:39,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2392 to 2388. [2020-07-20 05:54:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2388 states. [2020-07-20 05:54:39,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 3022 transitions. [2020-07-20 05:54:39,448 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 3022 transitions. Word has length 117 [2020-07-20 05:54:39,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:39,449 INFO L479 AbstractCegarLoop]: Abstraction has 2388 states and 3022 transitions. [2020-07-20 05:54:39,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 05:54:39,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 3022 transitions. [2020-07-20 05:54:39,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-20 05:54:39,461 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:39,462 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-07-20 05:54:39,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:39,675 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:39,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:39,676 INFO L82 PathProgramCache]: Analyzing trace with hash 212891463, now seen corresponding path program 1 times [2020-07-20 05:54:39,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:39,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882571938] [2020-07-20 05:54:39,677 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d28339f [2020-07-20 05:54:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:39,883 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 05:54:39,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882571938] [2020-07-20 05:54:39,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474036356] [2020-07-20 05:54:39,891 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5d89b3b5 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:40,034 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5d89b3b5 issued 4 check-sat command(s) [2020-07-20 05:54:40,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:54:40,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:54:40,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:54:40,146 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 05:54:40,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:54:40,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2020-07-20 05:54:40,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130998905] [2020-07-20 05:54:40,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 05:54:40,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:40,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 05:54:40,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-07-20 05:54:40,152 INFO L87 Difference]: Start difference. First operand 2388 states and 3022 transitions. Second operand 12 states. [2020-07-20 05:54:40,568 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2020-07-20 05:54:43,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:43,968 INFO L93 Difference]: Finished difference Result 6476 states and 8327 transitions. [2020-07-20 05:54:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 05:54:43,969 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 133 [2020-07-20 05:54:43,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:43,989 INFO L225 Difference]: With dead ends: 6476 [2020-07-20 05:54:43,989 INFO L226 Difference]: Without dead ends: 4094 [2020-07-20 05:54:43,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=322, Invalid=1238, Unknown=0, NotChecked=0, Total=1560 [2020-07-20 05:54:44,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4094 states. [2020-07-20 05:54:44,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4094 to 3628. [2020-07-20 05:54:44,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3628 states. [2020-07-20 05:54:44,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3628 states to 3628 states and 4260 transitions. [2020-07-20 05:54:44,122 INFO L78 Accepts]: Start accepts. Automaton has 3628 states and 4260 transitions. Word has length 133 [2020-07-20 05:54:44,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:44,123 INFO L479 AbstractCegarLoop]: Abstraction has 3628 states and 4260 transitions. [2020-07-20 05:54:44,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 05:54:44,123 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 4260 transitions. [2020-07-20 05:54:44,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-07-20 05:54:44,133 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:44,134 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:44,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:44,349 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:44,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:44,349 INFO L82 PathProgramCache]: Analyzing trace with hash -183412167, now seen corresponding path program 1 times [2020-07-20 05:54:44,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:44,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079276723] [2020-07-20 05:54:44,350 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d28339f [2020-07-20 05:54:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:44,522 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:54:44,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079276723] [2020-07-20 05:54:44,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241548288] [2020-07-20 05:54:44,523 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb24041 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 05:54:44,673 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4bb24041 issued 4 check-sat command(s) [2020-07-20 05:54:44,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:54:44,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 05:54:44,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:54:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-20 05:54:44,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:54:44,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2020-07-20 05:54:44,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281065312] [2020-07-20 05:54:44,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 05:54:44,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:44,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 05:54:44,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 05:54:44,830 INFO L87 Difference]: Start difference. First operand 3628 states and 4260 transitions. Second operand 5 states. [2020-07-20 05:54:45,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:45,562 INFO L93 Difference]: Finished difference Result 7315 states and 8805 transitions. [2020-07-20 05:54:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 05:54:45,563 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2020-07-20 05:54:45,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:45,581 INFO L225 Difference]: With dead ends: 7315 [2020-07-20 05:54:45,581 INFO L226 Difference]: Without dead ends: 3693 [2020-07-20 05:54:45,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-07-20 05:54:45,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3693 states. [2020-07-20 05:54:45,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3693 to 3639. [2020-07-20 05:54:45,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3639 states. [2020-07-20 05:54:45,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3639 states to 3639 states and 4038 transitions. [2020-07-20 05:54:45,689 INFO L78 Accepts]: Start accepts. Automaton has 3639 states and 4038 transitions. Word has length 147 [2020-07-20 05:54:45,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:45,689 INFO L479 AbstractCegarLoop]: Abstraction has 3639 states and 4038 transitions. [2020-07-20 05:54:45,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 05:54:45,689 INFO L276 IsEmpty]: Start isEmpty. Operand 3639 states and 4038 transitions. [2020-07-20 05:54:45,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-07-20 05:54:45,700 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:45,700 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:45,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-20 05:54:45,916 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:45,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:45,916 INFO L82 PathProgramCache]: Analyzing trace with hash -2138128549, now seen corresponding path program 1 times [2020-07-20 05:54:45,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:45,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657926057] [2020-07-20 05:54:45,917 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d28339f [2020-07-20 05:54:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:46,138 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 102 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 05:54:46,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657926057] [2020-07-20 05:54:46,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787973169] [2020-07-20 05:54:46,139 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51d6982 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:46,266 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@51d6982 issued 4 check-sat command(s) [2020-07-20 05:54:46,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:54:46,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:54:46,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:54:46,363 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-07-20 05:54:46,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:54:46,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-20 05:54:46,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167538636] [2020-07-20 05:54:46,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 05:54:46,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:46,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 05:54:46,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 05:54:46,366 INFO L87 Difference]: Start difference. First operand 3639 states and 4038 transitions. Second operand 10 states. [2020-07-20 05:54:47,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:47,719 INFO L93 Difference]: Finished difference Result 7872 states and 8799 transitions. [2020-07-20 05:54:47,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 05:54:47,720 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 197 [2020-07-20 05:54:47,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:47,740 INFO L225 Difference]: With dead ends: 7872 [2020-07-20 05:54:47,741 INFO L226 Difference]: Without dead ends: 4239 [2020-07-20 05:54:47,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-07-20 05:54:47,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4239 states. [2020-07-20 05:54:47,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4239 to 4231. [2020-07-20 05:54:47,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4231 states. [2020-07-20 05:54:47,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4231 states to 4231 states and 4693 transitions. [2020-07-20 05:54:47,855 INFO L78 Accepts]: Start accepts. Automaton has 4231 states and 4693 transitions. Word has length 197 [2020-07-20 05:54:47,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:47,857 INFO L479 AbstractCegarLoop]: Abstraction has 4231 states and 4693 transitions. [2020-07-20 05:54:47,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 05:54:47,857 INFO L276 IsEmpty]: Start isEmpty. Operand 4231 states and 4693 transitions. [2020-07-20 05:54:47,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-07-20 05:54:47,867 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:47,868 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:48,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:48,081 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:48,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:48,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1298715091, now seen corresponding path program 1 times [2020-07-20 05:54:48,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:48,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040419417] [2020-07-20 05:54:48,082 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d28339f [2020-07-20 05:54:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:48,276 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 110 proven. 34 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 05:54:48,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040419417] [2020-07-20 05:54:48,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033141132] [2020-07-20 05:54:48,277 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18e861bc No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:48,516 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18e861bc issued 4 check-sat command(s) [2020-07-20 05:54:48,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:54:48,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:54:48,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:54:48,600 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 05:54:48,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:54:48,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-20 05:54:48,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188469742] [2020-07-20 05:54:48,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 05:54:48,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:48,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 05:54:48,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-20 05:54:48,605 INFO L87 Difference]: Start difference. First operand 4231 states and 4693 transitions. Second operand 10 states. [2020-07-20 05:54:52,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:52,221 INFO L93 Difference]: Finished difference Result 8266 states and 9084 transitions. [2020-07-20 05:54:52,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-20 05:54:52,226 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2020-07-20 05:54:52,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:52,226 INFO L225 Difference]: With dead ends: 8266 [2020-07-20 05:54:52,227 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 05:54:52,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2020-07-20 05:54:52,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 05:54:52,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 05:54:52,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 05:54:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 05:54:52,241 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 201 [2020-07-20 05:54:52,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:52,241 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 05:54:52,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 05:54:52,241 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 05:54:52,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 05:54:52,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:52,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 05:54:52,948 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 120 [2020-07-20 05:54:53,095 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 120 [2020-07-20 05:54:54,456 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 153 DAG size of output: 64 [2020-07-20 05:54:55,050 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 52 [2020-07-20 05:54:55,587 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 52 [2020-07-20 05:54:55,591 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 05:54:55,592 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-20 05:54:55,592 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 05:54:55,592 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,592 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,592 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,593 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,593 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,593 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 05:54:55,593 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 05:54:55,593 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 05:54:55,594 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 05:54:55,594 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 05:54:55,594 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 05:54:55,594 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 05:54:55,594 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 05:54:55,594 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 05:54:55,594 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 05:54:55,594 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 05:54:55,594 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 05:54:55,594 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 05:54:55,595 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,595 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,595 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,595 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,595 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 05:54:55,595 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,595 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 05:54:55,595 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 05:54:55,596 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 05:54:55,596 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 05:54:55,596 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 05:54:55,596 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 05:54:55,596 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 05:54:55,596 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 05:54:55,596 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 05:54:55,597 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 05:54:55,597 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 05:54:55,597 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 05:54:55,597 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 05:54:55,597 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 05:54:55,597 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 05:54:55,597 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,597 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,598 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,598 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,598 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,598 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 442) no Hoare annotation was computed. [2020-07-20 05:54:55,598 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 05:54:55,598 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 05:54:55,599 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 05:54:55,599 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 05:54:55,599 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 05:54:55,599 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 05:54:55,599 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 05:54:55,599 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 05:54:55,599 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 05:54:55,600 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 05:54:55,600 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 05:54:55,600 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,600 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,600 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,600 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,600 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,600 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 05:54:55,601 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 05:54:55,601 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 05:54:55,601 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 05:54:55,601 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 05:54:55,601 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 05:54:55,601 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 05:54:55,601 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 05:54:55,602 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 05:54:55,602 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 05:54:55,602 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 05:54:55,602 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 05:54:55,602 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 05:54:55,602 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,602 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,602 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,603 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,603 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,603 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 05:54:55,603 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 05:54:55,603 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 05:54:55,603 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 05:54:55,603 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 05:54:55,603 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 05:54:55,604 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 05:54:55,604 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 05:54:55,604 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 05:54:55,604 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 05:54:55,604 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 05:54:55,604 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 05:54:55,604 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 05:54:55,605 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 05:54:55,605 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 05:54:55,605 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 05:54:55,605 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,605 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,605 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,605 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,605 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 05:54:55,605 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,606 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 05:54:55,606 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,606 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 05:54:55,606 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 05:54:55,606 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 05:54:55,606 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,606 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,606 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 05:54:55,607 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 05:54:55,607 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 05:54:55,607 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 05:54:55,607 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 05:54:55,607 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 05:54:55,607 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 05:54:55,607 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 05:54:55,607 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 05:54:55,608 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 05:54:55,608 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 05:54:55,608 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,608 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,608 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,608 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,608 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,609 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,609 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 05:54:55,609 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 05:54:55,609 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 05:54:55,609 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 05:54:55,609 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 05:54:55,609 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 05:54:55,609 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 05:54:55,609 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 05:54:55,610 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 05:54:55,610 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 05:54:55,610 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 05:54:55,610 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,610 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,610 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,610 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,611 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,611 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,611 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 05:54:55,611 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 05:54:55,611 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 05:54:55,611 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 05:54:55,611 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 05:54:55,611 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 05:54:55,611 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 05:54:55,612 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 05:54:55,612 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 05:54:55,612 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 05:54:55,612 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 05:54:55,612 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 05:54:55,612 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 05:54:55,612 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 05:54:55,612 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,613 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,613 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,613 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a25~0 |old(~a25~0)|)) (.cse21 (= 1 |old(~a25~0)|)) (.cse20 (= 1 |old(~a19~0)|)) (.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|)) (.cse10 (= ~a28~0 |old(~a28~0)|)) (.cse11 (= 1 ~a25~0))) (let ((.cse17 (and .cse0 .cse1 .cse3 .cse10 .cse11)) (.cse15 (not .cse20)) (.cse16 (not (<= |old(~a28~0)| 7))) (.cse14 (not (<= |old(~a11~0)| 0))) (.cse6 (not (<= 9 |old(~a28~0)|))) (.cse13 (not .cse21)) (.cse2 (<= ~a28~0 9)) (.cse4 (<= 9 ~a28~0)) (.cse7 (not (<= |old(~a28~0)| 9))) (.cse8 (not (<= 8 |old(~a17~0)|))) (.cse9 (not (<= |old(~a17~0)| 8))) (.cse12 (not (<= |old(~a28~0)| 10))) (.cse19 (and .cse0 .cse1 .cse3 .cse10 .cse5)) (.cse18 (not (<= 10 |old(~a28~0)|)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or (and .cse0 .cse1 .cse10 .cse3 .cse11) .cse12 .cse13 .cse8 .cse9 .cse14) (or .cse15 .cse16 .cse13 .cse17 .cse9) (or .cse15 .cse8 .cse13 .cse17 .cse9 .cse14) (or .cse15 .cse12 (and .cse0 .cse1 .cse10 .cse3 .cse5) .cse8 .cse18 .cse9) (or .cse15 .cse16 .cse19 .cse9 .cse14) (or .cse6 .cse7 .cse13 (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse11) .cse9 (= |old(~a19~0)| |old(~a25~0)|)) (or .cse20 .cse7 .cse8 .cse19 .cse9) (or .cse21 .cse12 .cse19 (not (<= |old(~a17~0)| 7)) .cse18)))) [2020-07-20 05:54:55,613 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,613 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,613 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,614 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 05:54:55,614 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 05:54:55,614 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 05:54:55,614 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 05:54:55,614 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 05:54:55,614 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 05:54:55,614 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 05:54:55,614 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 05:54:55,615 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 05:54:55,615 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 05:54:55,615 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 05:54:55,615 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 05:54:55,615 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 05:54:55,615 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,615 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,615 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,616 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,616 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,616 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,616 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 05:54:55,616 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 05:54:55,616 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 05:54:55,616 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 05:54:55,616 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 05:54:55,616 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 05:54:55,617 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 05:54:55,617 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 05:54:55,617 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 05:54:55,617 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 05:54:55,617 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 05:54:55,617 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 05:54:55,617 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 05:54:55,617 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 05:54:55,618 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 05:54:55,618 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 05:54:55,618 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,618 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,618 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,618 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,618 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:55,618 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 05:54:55,618 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 05:54:55,619 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 05:54:55,619 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 05:54:55,619 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 05:54:55,619 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 05:54:55,619 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 05:54:55,619 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 05:54:55,619 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 05:54:55,619 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 05:54:55,620 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 05:54:55,620 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 05:54:55,620 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 05:54:55,620 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 05:54:55,620 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 05:54:55,620 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 05:54:55,620 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 05:54:55,620 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 05:54:55,621 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 05:54:55,621 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 05:54:55,621 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a17~0 8) (not (= 1 ~a25~0)) (<= ~a28~0 7)) [2020-07-20 05:54:55,621 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 05:54:55,621 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 05:54:55,621 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (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(~a17~0)| 8)) (not (<= |old(~a11~0)| 0)) (= |old(~a19~0)| |old(~a25~0)|)) [2020-07-20 05:54:55,622 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (= 1 ~a19~0))) (let ((.cse5 (<= ~a28~0 10)) (.cse2 (<= ~a28~0 9)) (.cse3 (not .cse7)) (.cse8 (<= 9 ~a28~0)) (.cse4 (<= ~a11~0 |old(~a11~0)|)) (.cse0 (<= ~a17~0 |old(~a17~0)|)) (.cse1 (<= 8 ~a17~0)) (.cse6 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 7)) (and .cse4 .cse0 .cse1 .cse5 .cse6) (and .cse7 .cse0 (<= ~a28~0 7) .cse6) (not (<= |old(~a11~0)| 0)) (= 1 |old(~a25~0)|) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (and .cse0 .cse5 (<= ~a17~0 7) (<= 10 ~a28~0) (not .cse6)) (and .cse7 .cse0 .cse1 .cse5 .cse8) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse2 .cse3 .cse8 .cse6) (and .cse7 .cse4 .cse0 .cse1 .cse6)))) [2020-07-20 05:54:55,622 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 05:54:55,622 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 05:54:55,622 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (= 1 ~a19~0))) (let ((.cse5 (<= ~a28~0 10)) (.cse2 (<= ~a28~0 9)) (.cse3 (not .cse7)) (.cse8 (<= 9 ~a28~0)) (.cse4 (<= ~a11~0 |old(~a11~0)|)) (.cse0 (<= ~a17~0 |old(~a17~0)|)) (.cse1 (<= 8 ~a17~0)) (.cse6 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 7)) (and .cse4 .cse0 .cse1 .cse5 .cse6) (and .cse7 .cse0 (<= ~a28~0 7) .cse6) (not (<= |old(~a11~0)| 0)) (= 1 |old(~a25~0)|) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (and .cse0 .cse5 (<= ~a17~0 7) (<= 10 ~a28~0) (not .cse6)) (and .cse7 .cse0 .cse1 .cse5 .cse8) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse2 .cse3 .cse8 .cse6) (and .cse7 .cse4 .cse0 .cse1 .cse6)))) [2020-07-20 05:54:55,622 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 05:54:55,622 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 05:54:55,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:54:55 BoogieIcfgContainer [2020-07-20 05:54:55,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 05:54:55,664 INFO L168 Benchmark]: Toolchain (without parser) took 27295.55 ms. Allocated memory was 135.8 MB in the beginning and 591.9 MB in the end (delta: 456.1 MB). Free memory was 99.0 MB in the beginning and 156.0 MB in the end (delta: -57.0 MB). Peak memory consumption was 488.6 MB. Max. memory is 7.1 GB. [2020-07-20 05:54:55,665 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 135.8 MB. Free memory was 118.9 MB in the beginning and 118.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 05:54:55,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.58 ms. Allocated memory was 135.8 MB in the beginning and 201.9 MB in the end (delta: 66.1 MB). Free memory was 98.6 MB in the beginning and 168.2 MB in the end (delta: -69.6 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2020-07-20 05:54:55,670 INFO L168 Benchmark]: Boogie Preprocessor took 146.12 ms. Allocated memory is still 201.9 MB. Free memory was 168.2 MB in the beginning and 163.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-20 05:54:55,671 INFO L168 Benchmark]: RCFGBuilder took 1307.10 ms. Allocated memory was 201.9 MB in the beginning and 230.2 MB in the end (delta: 28.3 MB). Free memory was 163.0 MB in the beginning and 178.8 MB in the end (delta: -15.8 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2020-07-20 05:54:55,673 INFO L168 Benchmark]: TraceAbstraction took 25135.78 ms. Allocated memory was 230.2 MB in the beginning and 591.9 MB in the end (delta: 361.8 MB). Free memory was 178.8 MB in the beginning and 156.0 MB in the end (delta: 22.8 MB). Peak memory consumption was 473.9 MB. Max. memory is 7.1 GB. [2020-07-20 05:54:55,682 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 135.8 MB. Free memory was 118.9 MB in the beginning and 118.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.58 ms. Allocated memory was 135.8 MB in the beginning and 201.9 MB in the end (delta: 66.1 MB). Free memory was 98.6 MB in the beginning and 168.2 MB in the end (delta: -69.6 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 146.12 ms. Allocated memory is still 201.9 MB. Free memory was 168.2 MB in the beginning and 163.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1307.10 ms. Allocated memory was 201.9 MB in the beginning and 230.2 MB in the end (delta: 28.3 MB). Free memory was 163.0 MB in the beginning and 178.8 MB in the end (delta: -15.8 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25135.78 ms. Allocated memory was 230.2 MB in the beginning and 591.9 MB in the end (delta: 361.8 MB). Free memory was 178.8 MB in the beginning and 156.0 MB in the end (delta: 22.8 MB). Peak memory consumption was 473.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 442]: 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)) || (((a17 <= \old(a17) && 8 <= a17) && a28 <= 9) && !(1 == a19))) || !(\old(a28) <= 7)) || ((((a11 <= \old(a11) && a17 <= \old(a17)) && 8 <= a17) && a28 <= 10) && 1 == a25)) || (((1 == a19 && a17 <= \old(a17)) && a28 <= 7) && 1 == a25)) || !(\old(a11) <= 0)) || 1 == \old(a25)) || ((((a11 == \old(a11) && a17 == \old(a17)) && a19 == \old(a19)) && a28 == \old(a28)) && a25 == \old(a25))) || ((((a17 <= \old(a17) && a28 <= 10) && a17 <= 7) && 10 <= a28) && !(1 == a25))) || ((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && a28 <= 10) && 9 <= a28)) || !(\old(a17) <= 8)) || ((((a17 <= \old(a17) && a28 <= 9) && !(1 == a19)) && 9 <= a28) && 1 == a25)) || ((((1 == a19 && a11 <= \old(a11)) && a17 <= \old(a17)) && 8 <= a17) && 1 == a25) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.8s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 15.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 639 SDtfs, 6039 SDslu, 535 SDs, 0 SdLazy, 9763 SolverSat, 1515 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1206 GetRequests, 1089 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4231occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 714 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 139 PreInvPairs, 193 NumberOfFragments, 713 HoareAnnotationTreeSize, 139 FomulaSimplifications, 29874 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8027 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2220 NumberOfCodeBlocks, 2220 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 2204 ConstructedInterpolants, 0 QuantifiedInterpolants, 712612 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2771 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 794/899 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...