/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 03:41:43,621 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 03:41:43,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 03:41:43,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 03:41:43,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 03:41:43,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 03:41:43,726 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 03:41:43,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 03:41:43,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 03:41:43,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 03:41:43,728 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 03:41:43,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 03:41:43,728 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 03:41:43,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 03:41:43,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 03:41:43,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 03:41:43,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 03:41:43,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 03:41:43,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 03:41:43,730 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 03:41:43,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 03:41:43,730 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 03:41:43,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 03:41:43,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 03:41:43,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 03:41:43,731 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 03:41:43,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 03:41:43,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 03:41:43,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 03:41:43,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 03:41:43,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 03:41:43,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 03:41:43,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 03:41:43,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 03:41:43,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 03:41:43,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 03:41:44,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 03:41:44,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 03:41:44,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 03:41:44,018 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 03:41:44,019 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 03:41:44,019 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2020-07-20 03:41:44,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0729aa69/474c9faa10c54cd4ba489a9af7bbd507/FLAGbeb1eb666 [2020-07-20 03:41:44,652 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 03:41:44,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2020-07-20 03:41:44,667 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0729aa69/474c9faa10c54cd4ba489a9af7bbd507/FLAGbeb1eb666 [2020-07-20 03:41:44,919 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0729aa69/474c9faa10c54cd4ba489a9af7bbd507 [2020-07-20 03:41:44,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 03:41:44,936 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 03:41:44,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 03:41:44,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 03:41:44,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 03:41:44,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:41:44" (1/1) ... [2020-07-20 03:41:44,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235b9204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:44, skipping insertion in model container [2020-07-20 03:41:44,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:41:44" (1/1) ... [2020-07-20 03:41:44,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 03:41:45,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 03:41:45,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:41:45,423 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 03:41:45,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:41:45,685 INFO L208 MainTranslator]: Completed translation [2020-07-20 03:41:45,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:45 WrapperNode [2020-07-20 03:41:45,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 03:41:45,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 03:41:45,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 03:41:45,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 03:41:45,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:45" (1/1) ... [2020-07-20 03:41:45,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:45" (1/1) ... [2020-07-20 03:41:45,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:45" (1/1) ... [2020-07-20 03:41:45,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:45" (1/1) ... [2020-07-20 03:41:45,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:45" (1/1) ... [2020-07-20 03:41:45,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:45" (1/1) ... [2020-07-20 03:41:45,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:45" (1/1) ... [2020-07-20 03:41:45,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 03:41:45,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 03:41:45,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 03:41:45,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 03:41:45,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 03:41:45,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 03:41:45,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 03:41:45,889 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 03:41:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 03:41:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 03:41:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 03:41:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 03:41:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 03:41:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 03:41:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 03:41:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 03:41:46,960 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 03:41:46,960 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 03:41:46,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:41:46 BoogieIcfgContainer [2020-07-20 03:41:46,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 03:41:46,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 03:41:46,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 03:41:46,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 03:41:46,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:41:44" (1/3) ... [2020-07-20 03:41:46,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e9aad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:41:46, skipping insertion in model container [2020-07-20 03:41:46,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:41:45" (2/3) ... [2020-07-20 03:41:46,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e9aad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:41:46, skipping insertion in model container [2020-07-20 03:41:46,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:41:46" (3/3) ... [2020-07-20 03:41:46,974 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label41.c [2020-07-20 03:41:46,987 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 03:41:46,995 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 03:41:47,009 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 03:41:47,034 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 03:41:47,034 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 03:41:47,035 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 03:41:47,035 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 03:41:47,035 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 03:41:47,035 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 03:41:47,035 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 03:41:47,036 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 03:41:47,058 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-20 03:41:47,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 03:41:47,068 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:47,069 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] [2020-07-20 03:41:47,070 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:47,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:47,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1692915649, now seen corresponding path program 1 times [2020-07-20 03:41:47,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:47,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189163522] [2020-07-20 03:41:47,087 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4b74454b [2020-07-20 03:41:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:47,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:41:47,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189163522] [2020-07-20 03:41:47,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:41:47,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 03:41:47,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872405785] [2020-07-20 03:41:47,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 03:41:47,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:47,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 03:41:47,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:41:47,714 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-20 03:41:49,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:49,122 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-07-20 03:41:49,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 03:41:49,124 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-07-20 03:41:49,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:49,139 INFO L225 Difference]: With dead ends: 557 [2020-07-20 03:41:49,140 INFO L226 Difference]: Without dead ends: 286 [2020-07-20 03:41:49,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-20 03:41:49,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-20 03:41:49,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-07-20 03:41:49,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-20 03:41:49,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-07-20 03:41:49,227 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 91 [2020-07-20 03:41:49,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:49,227 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-07-20 03:41:49,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 03:41:49,228 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-07-20 03:41:49,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-07-20 03:41:49,233 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:49,233 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] [2020-07-20 03:41:49,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 03:41:49,234 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:49,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:49,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1768869960, now seen corresponding path program 1 times [2020-07-20 03:41:49,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:49,235 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374922304] [2020-07-20 03:41:49,235 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4b74454b [2020-07-20 03:41:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:49,433 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:41:49,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374922304] [2020-07-20 03:41:49,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:41:49,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 03:41:49,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687089408] [2020-07-20 03:41:49,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 03:41:49,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:49,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 03:41:49,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:41:49,437 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 8 states. [2020-07-20 03:41:50,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:50,708 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-07-20 03:41:50,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 03:41:50,708 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 101 [2020-07-20 03:41:50,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:50,713 INFO L225 Difference]: With dead ends: 713 [2020-07-20 03:41:50,714 INFO L226 Difference]: Without dead ends: 439 [2020-07-20 03:41:50,716 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-20 03:41:50,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-07-20 03:41:50,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-07-20 03:41:50,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-07-20 03:41:50,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-07-20 03:41:50,750 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 101 [2020-07-20 03:41:50,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:50,750 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-07-20 03:41:50,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 03:41:50,750 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-07-20 03:41:50,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-20 03:41:50,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:50,754 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:41:50,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 03:41:50,755 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:50,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:50,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1027824070, now seen corresponding path program 1 times [2020-07-20 03:41:50,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:50,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240027982] [2020-07-20 03:41:50,756 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4b74454b [2020-07-20 03:41:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:51,009 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:41:51,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240027982] [2020-07-20 03:41:51,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55273009] [2020-07-20 03:41:51,011 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@728c83d4 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:51,165 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@728c83d4 issued 4 check-sat command(s) [2020-07-20 03:41:51,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:41:51,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 03:41:51,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:41:51,228 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:41:51,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:41:51,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-07-20 03:41:51,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212710085] [2020-07-20 03:41:51,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:41:51,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:51,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:41:51,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:41:51,231 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2020-07-20 03:41:51,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:51,734 INFO L93 Difference]: Finished difference Result 1247 states and 1789 transitions. [2020-07-20 03:41:51,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:41:51,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-07-20 03:41:51,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:51,744 INFO L225 Difference]: With dead ends: 1247 [2020-07-20 03:41:51,745 INFO L226 Difference]: Without dead ends: 832 [2020-07-20 03:41:51,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:41:51,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-07-20 03:41:51,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2020-07-20 03:41:51,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-07-20 03:41:51,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions. [2020-07-20 03:41:51,804 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 102 [2020-07-20 03:41:51,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:51,806 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions. [2020-07-20 03:41:51,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:41:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions. [2020-07-20 03:41:51,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 03:41:51,814 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:51,814 INFO L422 BasicCegarLoop]: trace histogram [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 03:41:52,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-20 03:41:52,024 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:52,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:52,024 INFO L82 PathProgramCache]: Analyzing trace with hash -2011229172, now seen corresponding path program 1 times [2020-07-20 03:41:52,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:52,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686621777] [2020-07-20 03:41:52,026 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4b74454b [2020-07-20 03:41:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:52,211 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:41:52,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686621777] [2020-07-20 03:41:52,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994994457] [2020-07-20 03:41:52,212 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@11d66118 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:52,346 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@11d66118 issued 4 check-sat command(s) [2020-07-20 03:41:52,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:41:52,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 03:41:52,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:41:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:41:52,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:41:52,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-07-20 03:41:52,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848213027] [2020-07-20 03:41:52,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:41:52,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:52,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:41:52,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:41:52,389 INFO L87 Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand 3 states. [2020-07-20 03:41:52,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:52,985 INFO L93 Difference]: Finished difference Result 2341 states and 3195 transitions. [2020-07-20 03:41:52,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:41:52,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-07-20 03:41:52,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:53,002 INFO L225 Difference]: With dead ends: 2341 [2020-07-20 03:41:53,002 INFO L226 Difference]: Without dead ends: 1515 [2020-07-20 03:41:53,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:41:53,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2020-07-20 03:41:53,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1241. [2020-07-20 03:41:53,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2020-07-20 03:41:53,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1668 transitions. [2020-07-20 03:41:53,090 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1668 transitions. Word has length 103 [2020-07-20 03:41:53,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:53,092 INFO L479 AbstractCegarLoop]: Abstraction has 1241 states and 1668 transitions. [2020-07-20 03:41:53,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:41:53,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1668 transitions. [2020-07-20 03:41:53,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-07-20 03:41:53,100 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:53,100 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:41:53,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:53,316 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:53,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:53,319 INFO L82 PathProgramCache]: Analyzing trace with hash 2004252269, now seen corresponding path program 1 times [2020-07-20 03:41:53,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:53,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308035797] [2020-07-20 03:41:53,319 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4b74454b [2020-07-20 03:41:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:53,493 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:41:53,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308035797] [2020-07-20 03:41:53,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263616007] [2020-07-20 03:41:53,494 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1528ef25 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:53,679 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1528ef25 issued 4 check-sat command(s) [2020-07-20 03:41:53,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:41:53,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:41:53,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:41:53,764 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 03:41:53,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:41:53,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-20 03:41:53,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156137147] [2020-07-20 03:41:53,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:41:53,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:53,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:41:53,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:41:53,766 INFO L87 Difference]: Start difference. First operand 1241 states and 1668 transitions. Second operand 3 states. [2020-07-20 03:41:54,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:54,278 INFO L93 Difference]: Finished difference Result 3294 states and 4517 transitions. [2020-07-20 03:41:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:41:54,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-07-20 03:41:54,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:54,291 INFO L225 Difference]: With dead ends: 3294 [2020-07-20 03:41:54,292 INFO L226 Difference]: Without dead ends: 2059 [2020-07-20 03:41:54,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:41:54,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2059 states. [2020-07-20 03:41:54,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2059 to 2059. [2020-07-20 03:41:54,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2059 states. [2020-07-20 03:41:54,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 2640 transitions. [2020-07-20 03:41:54,361 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 2640 transitions. Word has length 125 [2020-07-20 03:41:54,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:54,361 INFO L479 AbstractCegarLoop]: Abstraction has 2059 states and 2640 transitions. [2020-07-20 03:41:54,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:41:54,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2640 transitions. [2020-07-20 03:41:54,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-20 03:41:54,368 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:54,369 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:41:54,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:54,583 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:54,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:54,584 INFO L82 PathProgramCache]: Analyzing trace with hash 996009503, now seen corresponding path program 1 times [2020-07-20 03:41:54,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:54,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741901194] [2020-07-20 03:41:54,586 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4b74454b [2020-07-20 03:41:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:54,793 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:41:54,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741901194] [2020-07-20 03:41:54,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608758513] [2020-07-20 03:41:54,803 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e4acad5 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:54,925 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e4acad5 issued 4 check-sat command(s) [2020-07-20 03:41:54,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:41:54,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:41:54,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:41:54,988 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:41:54,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:41:54,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-20 03:41:54,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919502902] [2020-07-20 03:41:54,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 03:41:54,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:54,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 03:41:54,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 03:41:54,990 INFO L87 Difference]: Start difference. First operand 2059 states and 2640 transitions. Second operand 10 states. [2020-07-20 03:41:56,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:56,592 INFO L93 Difference]: Finished difference Result 4234 states and 5713 transitions. [2020-07-20 03:41:56,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 03:41:56,593 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2020-07-20 03:41:56,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:56,608 INFO L225 Difference]: With dead ends: 4234 [2020-07-20 03:41:56,609 INFO L226 Difference]: Without dead ends: 2181 [2020-07-20 03:41:56,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2020-07-20 03:41:56,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2181 states. [2020-07-20 03:41:56,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2181 to 2093. [2020-07-20 03:41:56,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2093 states. [2020-07-20 03:41:56,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2598 transitions. [2020-07-20 03:41:56,697 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2598 transitions. Word has length 145 [2020-07-20 03:41:56,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:56,697 INFO L479 AbstractCegarLoop]: Abstraction has 2093 states and 2598 transitions. [2020-07-20 03:41:56,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 03:41:56,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2598 transitions. [2020-07-20 03:41:56,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 03:41:56,703 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:56,704 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:41:56,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:56,917 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:56,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:56,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1157453929, now seen corresponding path program 1 times [2020-07-20 03:41:56,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:56,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142382962] [2020-07-20 03:41:56,918 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4b74454b [2020-07-20 03:41:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:57,118 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 03:41:57,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142382962] [2020-07-20 03:41:57,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888671090] [2020-07-20 03:41:57,119 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2babf658 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:57,237 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2babf658 issued 4 check-sat command(s) [2020-07-20 03:41:57,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:41:57,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:41:57,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:41:57,304 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 03:41:57,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:41:57,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2020-07-20 03:41:57,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95879439] [2020-07-20 03:41:57,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:41:57,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:57,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:41:57,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 03:41:57,306 INFO L87 Difference]: Start difference. First operand 2093 states and 2598 transitions. Second operand 3 states. [2020-07-20 03:41:57,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:41:57,883 INFO L93 Difference]: Finished difference Result 5423 states and 6859 transitions. [2020-07-20 03:41:57,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:41:57,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-07-20 03:41:57,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:41:57,902 INFO L225 Difference]: With dead ends: 5423 [2020-07-20 03:41:57,902 INFO L226 Difference]: Without dead ends: 3336 [2020-07-20 03:41:57,908 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 03:41:57,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3336 states. [2020-07-20 03:41:57,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3336 to 3060. [2020-07-20 03:41:57,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3060 states. [2020-07-20 03:41:58,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 3060 states and 3785 transitions. [2020-07-20 03:41:58,004 INFO L78 Accepts]: Start accepts. Automaton has 3060 states and 3785 transitions. Word has length 149 [2020-07-20 03:41:58,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:41:58,005 INFO L479 AbstractCegarLoop]: Abstraction has 3060 states and 3785 transitions. [2020-07-20 03:41:58,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:41:58,005 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 3785 transitions. [2020-07-20 03:41:58,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-20 03:41:58,016 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:41:58,017 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:41:58,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-20 03:41:58,231 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:41:58,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:41:58,232 INFO L82 PathProgramCache]: Analyzing trace with hash 152592045, now seen corresponding path program 1 times [2020-07-20 03:41:58,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:41:58,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420473265] [2020-07-20 03:41:58,232 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4b74454b [2020-07-20 03:41:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:41:58,414 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:41:58,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420473265] [2020-07-20 03:41:58,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130181383] [2020-07-20 03:41:58,415 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1a9ae8be No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:41:58,555 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1a9ae8be issued 4 check-sat command(s) [2020-07-20 03:41:58,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:41:58,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 03:41:58,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:41:58,609 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:41:58,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:41:58,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-07-20 03:41:58,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896942453] [2020-07-20 03:41:58,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 03:41:58,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:41:58,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 03:41:58,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:41:58,612 INFO L87 Difference]: Start difference. First operand 3060 states and 3785 transitions. Second operand 8 states. [2020-07-20 03:42:00,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:42:00,011 INFO L93 Difference]: Finished difference Result 6047 states and 7599 transitions. [2020-07-20 03:42:00,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 03:42:00,012 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 157 [2020-07-20 03:42:00,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:42:00,012 INFO L225 Difference]: With dead ends: 6047 [2020-07-20 03:42:00,013 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 03:42:00,025 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 03:42:00,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 03:42:00,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 03:42:00,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 03:42:00,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 03:42:00,026 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2020-07-20 03:42:00,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:42:00,026 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 03:42:00,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 03:42:00,026 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 03:42:00,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 03:42:00,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:42:00,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 03:42:00,667 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 84 [2020-07-20 03:42:01,481 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 56 [2020-07-20 03:42:01,755 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2020-07-20 03:42:01,983 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2020-07-20 03:42:01,987 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:42:01,987 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-20 03:42:01,987 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:42:01,987 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-20 03:42:01,988 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-20 03:42:01,988 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,988 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,988 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,989 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,989 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,989 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,990 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-20 03:42:01,990 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-20 03:42:01,990 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-20 03:42:01,990 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-20 03:42:01,991 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-20 03:42:01,991 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 03:42:01,991 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-20 03:42:01,991 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-20 03:42:01,991 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-20 03:42:01,991 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-20 03:42:01,992 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,992 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,992 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,993 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,993 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,993 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,993 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-20 03:42:01,993 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-20 03:42:01,993 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-20 03:42:01,993 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-20 03:42:01,993 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-20 03:42:01,994 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-20 03:42:01,994 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-20 03:42:01,994 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-20 03:42:01,994 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-20 03:42:01,994 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-20 03:42:01,994 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-20 03:42:01,994 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 431) no Hoare annotation was computed. [2020-07-20 03:42:01,995 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-20 03:42:01,995 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-20 03:42:01,995 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-20 03:42:01,995 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-20 03:42:01,995 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,995 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,995 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,996 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,996 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,996 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-20 03:42:01,996 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-20 03:42:01,996 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-20 03:42:01,996 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-20 03:42:01,997 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-20 03:42:01,997 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-20 03:42:01,997 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-20 03:42:01,997 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-20 03:42:01,997 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-20 03:42:01,997 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,997 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,998 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,998 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,998 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:01,998 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-20 03:42:02,000 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 03:42:02,000 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-20 03:42:02,000 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-20 03:42:02,000 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-20 03:42:02,000 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 03:42:02,000 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-20 03:42:02,001 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-20 03:42:02,001 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-20 03:42:02,001 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-20 03:42:02,004 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-20 03:42:02,004 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-20 03:42:02,004 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-20 03:42:02,005 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,005 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,005 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,005 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,005 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,005 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-20 03:42:02,005 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-20 03:42:02,005 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-20 03:42:02,006 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-20 03:42:02,006 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-20 03:42:02,006 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-20 03:42:02,006 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 03:42:02,006 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-20 03:42:02,006 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-20 03:42:02,006 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,007 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,007 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,007 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,007 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,007 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,007 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-20 03:42:02,007 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,008 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-20 03:42:02,008 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-20 03:42:02,008 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-20 03:42:02,008 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-20 03:42:02,008 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 03:42:02,008 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 03:42:02,008 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-20 03:42:02,009 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-20 03:42:02,009 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-20 03:42:02,009 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-20 03:42:02,009 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-20 03:42:02,009 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-20 03:42:02,009 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-20 03:42:02,009 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,010 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,010 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,010 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,010 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,011 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-20 03:42:02,012 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-20 03:42:02,012 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-20 03:42:02,012 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 03:42:02,012 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 03:42:02,013 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 03:42:02,013 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-20 03:42:02,013 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-20 03:42:02,013 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,013 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,013 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,014 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,014 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,015 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-20 03:42:02,015 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-20 03:42:02,015 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-20 03:42:02,015 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-20 03:42:02,015 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-20 03:42:02,015 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-20 03:42:02,015 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-20 03:42:02,016 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 03:42:02,016 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-20 03:42:02,016 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-20 03:42:02,016 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse10 (= ~a7~0 |old(~a7~0)|)) (.cse11 (= ~a17~0 |old(~a17~0)|)) (.cse12 (= ~a8~0 |old(~a8~0)|)) (.cse13 (= ~a20~0 |old(~a20~0)|)) (.cse14 (= ~a21~0 |old(~a21~0)|))) (let ((.cse3 (not (= 1 |old(~a17~0)|))) (.cse0 (not (<= 15 |old(~a8~0)|))) (.cse8 (not (<= |old(~a16~0)| 5))) (.cse5 (not (<= 5 |old(~a16~0)|))) (.cse6 (and .cse10 .cse11 (= ~a16~0 |old(~a16~0)|) .cse12 .cse13 .cse14)) (.cse7 (not (= 1 |old(~a7~0)|))) (.cse9 (not (<= |old(~a17~0)| 0))) (.cse4 (not (= 1 |old(~a20~0)|))) (.cse1 (not (= 4 |old(~a16~0)|))) (.cse2 (and .cse10 .cse11 .cse12 .cse13 .cse14 (= 4 ~a16~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse6) (or .cse0 .cse3 .cse5 .cse6) (or .cse7 .cse8 .cse3 .cse5 .cse6) (or .cse0 .cse5 .cse6 .cse9) (or .cse4 .cse7 .cse5 .cse6 .cse9) (or .cse8 .cse5 .cse6 .cse9) (or .cse1 .cse7 .cse2) (or .cse1 .cse2 .cse9) (or .cse4 .cse1 .cse2)))) [2020-07-20 03:42:02,016 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-20 03:42:02,017 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,017 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,017 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,017 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,017 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-20 03:42:02,017 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,017 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,017 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-20 03:42:02,018 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-20 03:42:02,018 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-20 03:42:02,018 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 03:42:02,018 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-20 03:42:02,018 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 03:42:02,018 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-20 03:42:02,018 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 03:42:02,018 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-20 03:42:02,019 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-20 03:42:02,019 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-20 03:42:02,019 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-20 03:42:02,019 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,019 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,019 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,019 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,019 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,020 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-20 03:42:02,020 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,020 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-20 03:42:02,020 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-20 03:42:02,020 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-20 03:42:02,020 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-20 03:42:02,020 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-20 03:42:02,020 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 03:42:02,021 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 03:42:02,021 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-20 03:42:02,021 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-20 03:42:02,021 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-20 03:42:02,021 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-20 03:42:02,021 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-20 03:42:02,021 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-20 03:42:02,021 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-20 03:42:02,021 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,022 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,022 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,022 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,022 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,022 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 03:42:02,022 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-20 03:42:02,022 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-20 03:42:02,022 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-20 03:42:02,023 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-20 03:42:02,023 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 03:42:02,023 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-20 03:42:02,023 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-20 03:42:02,023 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-20 03:42:02,023 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-20 03:42:02,023 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-20 03:42:02,023 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:42:02,023 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a17~0) (<= ~a16~0 5) (<= 15 ~a8~0) (<= 5 ~a16~0) (= 1 ~a20~0)) [2020-07-20 03:42:02,024 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 03:42:02,024 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:42:02,024 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a16~0)| 5)) (not (= 1 |old(~a17~0)|)) (not (<= 5 |old(~a16~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|))) [2020-07-20 03:42:02,024 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-20 03:42:02,024 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse5 (<= ~a16~0 5)) (.cse3 (= 1 ~a7~0)) (.cse1 (<= 5 ~a16~0)) (.cse7 (= 1 ~a20~0)) (.cse0 (<= ~a17~0 0)) (.cse6 (= 1 ~a17~0)) (.cse2 (<= 15 ~a8~0)) (.cse4 (= 4 ~a16~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse0 .cse1 .cse5) (and .cse1 .cse6 .cse7) (not (= 1 |old(~a17~0)|)) (and .cse1 .cse2 .cse6) (not (<= 5 |old(~a16~0)|)) (and .cse3 .cse6 .cse1 .cse5) (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and .cse3 .cse0 .cse1 .cse7) (and .cse7 .cse4) (not (<= |old(~a16~0)| 5)) (and .cse0 .cse4) (and .cse6 .cse2 .cse4))) [2020-07-20 03:42:02,024 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-20 03:42:02,025 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 03:42:02,025 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse5 (<= ~a16~0 5)) (.cse3 (= 1 ~a7~0)) (.cse1 (<= 5 ~a16~0)) (.cse7 (= 1 ~a20~0)) (.cse0 (<= ~a17~0 0)) (.cse6 (= 1 ~a17~0)) (.cse2 (<= 15 ~a8~0)) (.cse4 (= 4 ~a16~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse0 .cse1 .cse5) (and .cse1 .cse6 .cse7) (not (= 1 |old(~a17~0)|)) (and .cse1 .cse2 .cse6) (not (<= 5 |old(~a16~0)|)) (and .cse3 .cse6 .cse1 .cse5) (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and .cse3 .cse0 .cse1 .cse7) (and .cse7 .cse4) (not (<= |old(~a16~0)| 5)) (and .cse0 .cse4) (and .cse6 .cse2 .cse4))) [2020-07-20 03:42:02,025 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-20 03:42:02,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 03:42:02 BoogieIcfgContainer [2020-07-20 03:42:02,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 03:42:02,062 INFO L168 Benchmark]: Toolchain (without parser) took 17127.45 ms. Allocated memory was 136.8 MB in the beginning and 495.5 MB in the end (delta: 358.6 MB). Free memory was 99.9 MB in the beginning and 166.4 MB in the end (delta: -66.5 MB). Peak memory consumption was 317.9 MB. Max. memory is 7.1 GB. [2020-07-20 03:42:02,062 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 03:42:02,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.15 ms. Allocated memory was 136.8 MB in the beginning and 203.9 MB in the end (delta: 67.1 MB). Free memory was 99.4 MB in the beginning and 170.2 MB in the end (delta: -70.7 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. [2020-07-20 03:42:02,069 INFO L168 Benchmark]: Boogie Preprocessor took 112.78 ms. Allocated memory is still 203.9 MB. Free memory was 170.2 MB in the beginning and 165.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-20 03:42:02,070 INFO L168 Benchmark]: RCFGBuilder took 1162.79 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 165.0 MB in the beginning and 179.2 MB in the end (delta: -14.2 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2020-07-20 03:42:02,072 INFO L168 Benchmark]: TraceAbstraction took 15091.67 ms. Allocated memory was 233.8 MB in the beginning and 495.5 MB in the end (delta: 261.6 MB). Free memory was 179.2 MB in the beginning and 166.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 300.2 MB. Max. memory is 7.1 GB. [2020-07-20 03:42:02,083 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 749.15 ms. Allocated memory was 136.8 MB in the beginning and 203.9 MB in the end (delta: 67.1 MB). Free memory was 99.4 MB in the beginning and 170.2 MB in the end (delta: -70.7 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.78 ms. Allocated memory is still 203.9 MB. Free memory was 170.2 MB in the beginning and 165.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1162.79 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 165.0 MB in the beginning and 179.2 MB in the end (delta: -14.2 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15091.67 ms. Allocated memory was 233.8 MB in the beginning and 495.5 MB in the end (delta: 261.6 MB). Free memory was 179.2 MB in the beginning and 166.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 300.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 431]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((a17 <= 0 && 5 <= a16) && 15 <= a8) || (1 == a7 && 4 == a16)) || ((a17 <= 0 && 5 <= a16) && a16 <= 5)) || ((5 <= a16 && 1 == a17) && 1 == a20)) || !(1 == \old(a17))) || ((5 <= a16 && 15 <= a8) && 1 == a17)) || !(5 <= \old(a16))) || (((1 == a7 && 1 == a17) && 5 <= a16) && a16 <= 5)) || !(1 == \old(a20))) || !(15 <= \old(a8))) || (((1 == a7 && a17 <= 0) && 5 <= a16) && 1 == a20)) || (1 == a20 && 4 == a16)) || !(\old(a16) <= 5)) || (a17 <= 0 && 4 == a16)) || ((1 == a17 && 15 <= a8) && 4 == a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.2s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 629 SDtfs, 2173 SDslu, 226 SDs, 0 SdLazy, 4717 SolverSat, 982 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 875 GetRequests, 817 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3060occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 662 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 107 PreInvPairs, 165 NumberOfFragments, 668 HoareAnnotationTreeSize, 107 FomulaSimplifications, 24952 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2678 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1754 NumberOfCodeBlocks, 1754 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1740 ConstructedInterpolants, 0 QuantifiedInterpolants, 559425 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2399 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 487/501 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...