/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:31:57,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:31:57,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:31:57,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-09-04 13:31:57,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:31:57,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:31:57,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:31:57,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:31:57,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:31:57,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:31:57,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:31:57,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:31:57,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:31:57,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:31:57,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:31:57,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:31:57,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:31:57,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:31:57,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:31:57,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:31:57,952 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 13:31:57,979 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:31:57,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:31:57,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:31:57,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:31:57,981 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:31:57,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:31:57,981 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:31:57,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:31:57,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:31:57,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:31:57,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:31:57,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:31:57,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:31:57,983 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:31:57,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:31:57,983 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:31:57,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:31:57,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:31:57,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:31:57,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:31:57,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:31:57,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:31:57,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:31:57,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:31:57,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:31:57,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:31:57,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:31:57,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:31:57,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:31:57,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:31:58,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:31:58,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:31:58,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:31:58,465 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:31:58,466 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:31:58,467 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2020-09-04 13:31:58,562 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8fb4d9958/410e199f53624ba994c581213068dc2f/FLAGa5b82ff46 [2020-09-04 13:31:59,256 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:31:59,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2020-09-04 13:31:59,272 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8fb4d9958/410e199f53624ba994c581213068dc2f/FLAGa5b82ff46 [2020-09-04 13:31:59,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8fb4d9958/410e199f53624ba994c581213068dc2f [2020-09-04 13:31:59,456 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:31:59,459 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:31:59,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:31:59,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:31:59,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:31:59,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:31:59" (1/1) ... [2020-09-04 13:31:59,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b5b041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:31:59, skipping insertion in model container [2020-09-04 13:31:59,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:31:59" (1/1) ... [2020-09-04 13:31:59,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:31:59,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:32:00,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:32:00,139 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:32:00,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:32:00,316 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:32:00,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:00 WrapperNode [2020-09-04 13:32:00,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:32:00,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:32:00,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:32:00,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:32:00,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:00" (1/1) ... [2020-09-04 13:32:00,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:00" (1/1) ... [2020-09-04 13:32:00,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:00" (1/1) ... [2020-09-04 13:32:00,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:00" (1/1) ... [2020-09-04 13:32:00,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:00" (1/1) ... [2020-09-04 13:32:00,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:00" (1/1) ... [2020-09-04 13:32:00,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:00" (1/1) ... [2020-09-04 13:32:00,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:32:00,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:32:00,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:32:00,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:32:00,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:32:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:32:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:32:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 13:32:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:32:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 13:32:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:32:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:32:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 13:32:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:32:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:32:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:32:01,804 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:32:01,805 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:32:01,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:32:01 BoogieIcfgContainer [2020-09-04 13:32:01,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:32:01,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:32:01,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:32:01,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:32:01,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:31:59" (1/3) ... [2020-09-04 13:32:01,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4463f11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:32:01, skipping insertion in model container [2020-09-04 13:32:01,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:00" (2/3) ... [2020-09-04 13:32:01,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4463f11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:32:01, skipping insertion in model container [2020-09-04 13:32:01,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:32:01" (3/3) ... [2020-09-04 13:32:01,833 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label05.c [2020-09-04 13:32:01,848 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:32:01,864 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:32:01,890 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:32:01,936 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:32:01,937 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:32:01,937 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:32:01,938 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:32:01,938 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:32:01,938 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:32:01,938 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:32:01,938 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:32:01,973 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-09-04 13:32:01,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-09-04 13:32:01,992 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:32:01,994 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:32:01,995 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:32:02,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:32:02,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1904695938, now seen corresponding path program 1 times [2020-09-04 13:32:02,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:32:02,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323330657] [2020-09-04 13:32:02,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:32:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:02,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:32:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:02,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:32:02,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323330657] [2020-09-04 13:32:02,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:32:02,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 13:32:02,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845082667] [2020-09-04 13:32:02,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:32:02,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:32:02,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:32:02,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:32:02,730 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-09-04 13:32:04,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:32:04,940 INFO L93 Difference]: Finished difference Result 698 states and 1233 transitions. [2020-09-04 13:32:04,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 13:32:04,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2020-09-04 13:32:04,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:32:04,963 INFO L225 Difference]: With dead ends: 698 [2020-09-04 13:32:04,963 INFO L226 Difference]: Without dead ends: 423 [2020-09-04 13:32:04,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:32:04,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-09-04 13:32:05,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2020-09-04 13:32:05,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-09-04 13:32:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 585 transitions. [2020-09-04 13:32:05,079 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 585 transitions. Word has length 100 [2020-09-04 13:32:05,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:32:05,080 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 585 transitions. [2020-09-04 13:32:05,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:32:05,081 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 585 transitions. [2020-09-04 13:32:05,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-09-04 13:32:05,088 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:32:05,088 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:32:05,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:32:05,089 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:32:05,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:32:05,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1236531093, now seen corresponding path program 1 times [2020-09-04 13:32:05,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:32:05,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898272234] [2020-09-04 13:32:05,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:32:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:05,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:32:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:05,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:32:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:32:05,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898272234] [2020-09-04 13:32:05,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:32:05,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:32:05,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677003780] [2020-09-04 13:32:05,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:32:05,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:32:05,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:32:05,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:32:05,398 INFO L87 Difference]: Start difference. First operand 417 states and 585 transitions. Second operand 8 states. [2020-09-04 13:32:07,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:32:07,178 INFO L93 Difference]: Finished difference Result 1130 states and 1658 transitions. [2020-09-04 13:32:07,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-04 13:32:07,178 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 110 [2020-09-04 13:32:07,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:32:07,186 INFO L225 Difference]: With dead ends: 1130 [2020-09-04 13:32:07,186 INFO L226 Difference]: Without dead ends: 719 [2020-09-04 13:32:07,188 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-09-04 13:32:07,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2020-09-04 13:32:07,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 697. [2020-09-04 13:32:07,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2020-09-04 13:32:07,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 978 transitions. [2020-09-04 13:32:07,250 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 978 transitions. Word has length 110 [2020-09-04 13:32:07,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:32:07,250 INFO L479 AbstractCegarLoop]: Abstraction has 697 states and 978 transitions. [2020-09-04 13:32:07,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:32:07,250 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 978 transitions. [2020-09-04 13:32:07,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-09-04 13:32:07,259 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:32:07,260 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:32:07,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 13:32:07,260 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:32:07,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:32:07,261 INFO L82 PathProgramCache]: Analyzing trace with hash 235879383, now seen corresponding path program 1 times [2020-09-04 13:32:07,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:32:07,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646715776] [2020-09-04 13:32:07,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:32:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:07,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:32:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:07,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:32:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:07,463 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:32:07,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646715776] [2020-09-04 13:32:07,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839678165] [2020-09-04 13:32:07,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:32:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:07,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-04 13:32:07,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:32:07,626 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:32:07,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:32:07,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-09-04 13:32:07,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080577082] [2020-09-04 13:32:07,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:32:07,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:32:07,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:32:07,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:32:07,629 INFO L87 Difference]: Start difference. First operand 697 states and 978 transitions. Second operand 3 states. [2020-09-04 13:32:08,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:32:08,269 INFO L93 Difference]: Finished difference Result 1936 states and 2758 transitions. [2020-09-04 13:32:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:32:08,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-09-04 13:32:08,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:32:08,278 INFO L225 Difference]: With dead ends: 1936 [2020-09-04 13:32:08,278 INFO L226 Difference]: Without dead ends: 1245 [2020-09-04 13:32:08,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:32:08,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2020-09-04 13:32:08,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1243. [2020-09-04 13:32:08,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1243 states. [2020-09-04 13:32:08,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1661 transitions. [2020-09-04 13:32:08,333 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1661 transitions. Word has length 111 [2020-09-04 13:32:08,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:32:08,333 INFO L479 AbstractCegarLoop]: Abstraction has 1243 states and 1661 transitions. [2020-09-04 13:32:08,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:32:08,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1661 transitions. [2020-09-04 13:32:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-04 13:32:08,344 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:32:08,344 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:32:08,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-09-04 13:32:08,559 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:32:08,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:32:08,560 INFO L82 PathProgramCache]: Analyzing trace with hash -676972618, now seen corresponding path program 1 times [2020-09-04 13:32:08,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:32:08,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722475938] [2020-09-04 13:32:08,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:32:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:08,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:32:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:08,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:32:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:08,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 13:32:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:32:08,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722475938] [2020-09-04 13:32:08,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511319308] [2020-09-04 13:32:08,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:32:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:08,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-04 13:32:08,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:32:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:32:08,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:32:08,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-09-04 13:32:08,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180177429] [2020-09-04 13:32:08,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:32:08,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:32:08,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:32:08,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:32:08,997 INFO L87 Difference]: Start difference. First operand 1243 states and 1661 transitions. Second operand 8 states. [2020-09-04 13:32:10,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:32:10,447 INFO L93 Difference]: Finished difference Result 2951 states and 4119 transitions. [2020-09-04 13:32:10,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-04 13:32:10,448 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-04 13:32:10,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:32:10,461 INFO L225 Difference]: With dead ends: 2951 [2020-09-04 13:32:10,461 INFO L226 Difference]: Without dead ends: 1714 [2020-09-04 13:32:10,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-04 13:32:10,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2020-09-04 13:32:10,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 1122. [2020-09-04 13:32:10,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1122 states. [2020-09-04 13:32:10,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1510 transitions. [2020-09-04 13:32:10,576 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1510 transitions. Word has length 142 [2020-09-04 13:32:10,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:32:10,578 INFO L479 AbstractCegarLoop]: Abstraction has 1122 states and 1510 transitions. [2020-09-04 13:32:10,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:32:10,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1510 transitions. [2020-09-04 13:32:10,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-09-04 13:32:10,586 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:32:10,587 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:32:10,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:32:10,801 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:32:10,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:32:10,803 INFO L82 PathProgramCache]: Analyzing trace with hash 809347390, now seen corresponding path program 1 times [2020-09-04 13:32:10,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:32:10,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820619082] [2020-09-04 13:32:10,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:32:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:10,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:32:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:10,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:32:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:10,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-04 13:32:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:11,080 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:32:11,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820619082] [2020-09-04 13:32:11,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614042221] [2020-09-04 13:32:11,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:32:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:11,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjunts are in the unsatisfiable core [2020-09-04 13:32:11,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:32:11,302 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-04 13:32:11,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:32:11,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2020-09-04 13:32:11,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881498075] [2020-09-04 13:32:11,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 13:32:11,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:32:11,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 13:32:11,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-04 13:32:11,306 INFO L87 Difference]: Start difference. First operand 1122 states and 1510 transitions. Second operand 9 states. [2020-09-04 13:32:13,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:32:13,955 INFO L93 Difference]: Finished difference Result 2723 states and 3851 transitions. [2020-09-04 13:32:13,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-04 13:32:13,956 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 146 [2020-09-04 13:32:13,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:32:13,969 INFO L225 Difference]: With dead ends: 2723 [2020-09-04 13:32:13,970 INFO L226 Difference]: Without dead ends: 1607 [2020-09-04 13:32:13,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2020-09-04 13:32:13,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2020-09-04 13:32:14,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1275. [2020-09-04 13:32:14,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2020-09-04 13:32:14,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1586 transitions. [2020-09-04 13:32:14,036 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1586 transitions. Word has length 146 [2020-09-04 13:32:14,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:32:14,037 INFO L479 AbstractCegarLoop]: Abstraction has 1275 states and 1586 transitions. [2020-09-04 13:32:14,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 13:32:14,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1586 transitions. [2020-09-04 13:32:14,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-04 13:32:14,043 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:32:14,044 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:32:14,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:32:14,259 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:32:14,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:32:14,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1440991952, now seen corresponding path program 1 times [2020-09-04 13:32:14,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:32:14,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238978682] [2020-09-04 13:32:14,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:32:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:14,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:32:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:14,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:32:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:14,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-04 13:32:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:14,552 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:32:14,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238978682] [2020-09-04 13:32:14,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003640380] [2020-09-04 13:32:14,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:32:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:14,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 10 conjunts are in the unsatisfiable core [2020-09-04 13:32:14,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:32:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-09-04 13:32:14,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:32:14,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2020-09-04 13:32:14,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224354643] [2020-09-04 13:32:14,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 13:32:14,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:32:14,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 13:32:14,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-04 13:32:14,891 INFO L87 Difference]: Start difference. First operand 1275 states and 1586 transitions. Second operand 9 states. [2020-09-04 13:32:17,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:32:17,928 INFO L93 Difference]: Finished difference Result 4201 states and 5745 transitions. [2020-09-04 13:32:17,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-04 13:32:17,928 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 166 [2020-09-04 13:32:17,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:32:17,948 INFO L225 Difference]: With dead ends: 4201 [2020-09-04 13:32:17,948 INFO L226 Difference]: Without dead ends: 2932 [2020-09-04 13:32:17,953 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2020-09-04 13:32:17,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2932 states. [2020-09-04 13:32:18,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2932 to 2584. [2020-09-04 13:32:18,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2584 states. [2020-09-04 13:32:18,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 2584 states and 3290 transitions. [2020-09-04 13:32:18,050 INFO L78 Accepts]: Start accepts. Automaton has 2584 states and 3290 transitions. Word has length 166 [2020-09-04 13:32:18,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:32:18,050 INFO L479 AbstractCegarLoop]: Abstraction has 2584 states and 3290 transitions. [2020-09-04 13:32:18,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 13:32:18,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states and 3290 transitions. [2020-09-04 13:32:18,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-04 13:32:18,059 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:32:18,060 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:32:18,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:32:18,275 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:32:18,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:32:18,276 INFO L82 PathProgramCache]: Analyzing trace with hash -648776304, now seen corresponding path program 1 times [2020-09-04 13:32:18,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:32:18,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3768177] [2020-09-04 13:32:18,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:32:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:18,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:32:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:18,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:32:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:18,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 13:32:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:18,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-04 13:32:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:18,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-04 13:32:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:18,592 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 108 proven. 26 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-09-04 13:32:18,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3768177] [2020-09-04 13:32:18,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101371815] [2020-09-04 13:32:18,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:32:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:32:18,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 6 conjunts are in the unsatisfiable core [2020-09-04 13:32:18,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:32:18,851 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 86 proven. 54 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-09-04 13:32:18,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:32:18,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2020-09-04 13:32:18,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207800770] [2020-09-04 13:32:18,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 13:32:18,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:32:18,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 13:32:18,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-04 13:32:18,859 INFO L87 Difference]: Start difference. First operand 2584 states and 3290 transitions. Second operand 9 states. [2020-09-04 13:32:22,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:32:22,093 INFO L93 Difference]: Finished difference Result 5272 states and 7042 transitions. [2020-09-04 13:32:22,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-04 13:32:22,094 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-09-04 13:32:22,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:32:22,095 INFO L225 Difference]: With dead ends: 5272 [2020-09-04 13:32:22,095 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:32:22,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=208, Invalid=784, Unknown=0, NotChecked=0, Total=992 [2020-09-04 13:32:22,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:32:22,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:32:22,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:32:22,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:32:22,110 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2020-09-04 13:32:22,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:32:22,111 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:32:22,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 13:32:22,111 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:32:22,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:32:22,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-09-04 13:32:22,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:32:24,986 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 79 [2020-09-04 13:32:25,420 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 79 [2020-09-04 13:32:26,760 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 140 DAG size of output: 66 [2020-09-04 13:32:27,181 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 53 [2020-09-04 13:32:27,577 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 53 [2020-09-04 13:32:27,582 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:32:27,583 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-09-04 13:32:27,583 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:32:27,583 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-09-04 13:32:27,584 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-09-04 13:32:27,584 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,584 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,584 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,585 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,585 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,585 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,585 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-09-04 13:32:27,585 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-09-04 13:32:27,585 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-09-04 13:32:27,586 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-09-04 13:32:27,586 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-09-04 13:32:27,586 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-04 13:32:27,586 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-09-04 13:32:27,586 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-09-04 13:32:27,586 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-09-04 13:32:27,586 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-09-04 13:32:27,587 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,587 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,587 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,587 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,587 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,587 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,588 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-09-04 13:32:27,588 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-09-04 13:32:27,588 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-04 13:32:27,588 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-09-04 13:32:27,588 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-09-04 13:32:27,588 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-09-04 13:32:27,589 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-09-04 13:32:27,589 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-09-04 13:32:27,589 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-09-04 13:32:27,589 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-09-04 13:32:27,589 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-09-04 13:32:27,589 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2020-09-04 13:32:27,589 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-09-04 13:32:27,590 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-09-04 13:32:27,590 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-09-04 13:32:27,590 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-09-04 13:32:27,590 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,590 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,590 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,591 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,591 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,591 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-09-04 13:32:27,591 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-09-04 13:32:27,591 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-04 13:32:27,591 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-09-04 13:32:27,591 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-09-04 13:32:27,592 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-09-04 13:32:27,592 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-09-04 13:32:27,592 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-09-04 13:32:27,592 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-09-04 13:32:27,592 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,592 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,592 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,593 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,593 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,593 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-09-04 13:32:27,593 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-09-04 13:32:27,593 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-09-04 13:32:27,593 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-09-04 13:32:27,593 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-04 13:32:27,594 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-09-04 13:32:27,594 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-09-04 13:32:27,594 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-09-04 13:32:27,594 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-09-04 13:32:27,594 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-09-04 13:32:27,594 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-09-04 13:32:27,594 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-09-04 13:32:27,595 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-09-04 13:32:27,595 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,595 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,595 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,595 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,595 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,595 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-09-04 13:32:27,596 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-09-04 13:32:27,596 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-09-04 13:32:27,596 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-09-04 13:32:27,596 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-09-04 13:32:27,596 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-09-04 13:32:27,596 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-09-04 13:32:27,596 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-09-04 13:32:27,596 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-09-04 13:32:27,597 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,597 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,597 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,597 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,597 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,597 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,598 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-09-04 13:32:27,598 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,598 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-09-04 13:32:27,598 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-09-04 13:32:27,598 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-09-04 13:32:27,598 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-09-04 13:32:27,599 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-09-04 13:32:27,599 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-09-04 13:32:27,599 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-09-04 13:32:27,599 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-09-04 13:32:27,599 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-09-04 13:32:27,599 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-09-04 13:32:27,599 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-09-04 13:32:27,599 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-09-04 13:32:27,600 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-09-04 13:32:27,600 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,600 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,600 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,600 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,600 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,600 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-09-04 13:32:27,601 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-09-04 13:32:27,601 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-09-04 13:32:27,601 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-04 13:32:27,601 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-09-04 13:32:27,601 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-04 13:32:27,601 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-09-04 13:32:27,601 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-09-04 13:32:27,602 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,602 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,602 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,602 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,602 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,602 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-09-04 13:32:27,603 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-09-04 13:32:27,603 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-09-04 13:32:27,603 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-09-04 13:32:27,603 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-09-04 13:32:27,603 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-09-04 13:32:27,603 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-04 13:32:27,603 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-04 13:32:27,604 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-09-04 13:32:27,604 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-09-04 13:32:27,604 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse17 (<= ~a21~0 0)) (.cse0 (not (<= |old(~a16~0)| 5))) (.cse6 (not (= |old(~a20~0)| 1))) (.cse11 (= ~a17~0 |old(~a17~0)|)) (.cse12 (= ~a7~0 |old(~a7~0)|)) (.cse13 (= ~a21~0 |old(~a21~0)|)) (.cse14 (= ~a20~0 |old(~a20~0)|)) (.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse16 (= ~a8~0 |old(~a8~0)|))) (let ((.cse5 (and .cse12 .cse13 .cse14 .cse15 .cse16 (= ~a17~0 1))) (.cse7 (not (<= 15 |old(~a8~0)|))) (.cse1 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse16)) (.cse3 (not (= |old(~a21~0)| 1))) (.cse4 (not (= |old(~a17~0)| 1))) (.cse9 (let ((.cse18 (not (<= |old(~a21~0)| 0)))) (and (or .cse18 .cse0) (or .cse18 .cse6)))) (.cse8 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (= ~a20~0 1) .cse17)) (.cse10 (and .cse11 .cse12 .cse13 .cse14 (<= ~a16~0 5) .cse15 .cse16 .cse17)) (.cse2 (not (<= |old(~a17~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (not (<= |old(~a7~0)| 0)) .cse6 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse3) (or .cse4 (= |old(~a8~0)| 13) .cse0 .cse1 .cse3) (or .cse6 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse7 .cse3) (or .cse7 .cse1 .cse2 .cse3) (or .cse4 .cse8 .cse9 .cse10) (or .cse9 .cse8 .cse10 .cse2)))) [2020-09-04 13:32:27,604 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-09-04 13:32:27,605 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,605 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,605 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,605 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,605 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-09-04 13:32:27,605 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,605 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,605 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-09-04 13:32:27,606 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-09-04 13:32:27,606 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-09-04 13:32:27,606 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-09-04 13:32:27,606 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-09-04 13:32:27,606 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-04 13:32:27,606 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-04 13:32:27,607 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-09-04 13:32:27,607 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-09-04 13:32:27,607 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-09-04 13:32:27,607 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-09-04 13:32:27,607 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-09-04 13:32:27,607 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,608 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,608 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,608 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,608 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,608 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-09-04 13:32:27,608 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,608 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-09-04 13:32:27,609 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-09-04 13:32:27,609 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-04 13:32:27,609 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-09-04 13:32:27,609 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-09-04 13:32:27,609 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-04 13:32:27,609 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-09-04 13:32:27,609 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-09-04 13:32:27,609 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-09-04 13:32:27,610 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-09-04 13:32:27,610 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-09-04 13:32:27,610 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-09-04 13:32:27,610 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-09-04 13:32:27,610 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-09-04 13:32:27,610 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,611 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,611 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,611 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,611 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,611 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-09-04 13:32:27,611 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-09-04 13:32:27,611 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-09-04 13:32:27,612 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-09-04 13:32:27,612 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-04 13:32:27,612 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-09-04 13:32:27,612 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-09-04 13:32:27,612 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-04 13:32:27,612 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-09-04 13:32:27,612 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-09-04 13:32:27,613 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-09-04 13:32:27,613 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:32:27,613 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (<= ~a16~0 5) (<= ~a7~0 0) (= ~a20~0 1) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-09-04 13:32:27,613 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:32:27,613 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:32:27,613 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a21~0)| 1))) [2020-09-04 13:32:27,614 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-09-04 13:32:27,614 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse3 (= ~a20~0 1)) (.cse4 (<= ~a16~0 5))) (let ((.cse6 (let ((.cse7 (<= ~a21~0 0))) (or (and .cse7 .cse3) (and .cse4 .cse7)))) (.cse2 (= ~a17~0 1)) (.cse1 (<= 15 ~a8~0)) (.cse0 (= ~a21~0 1)) (.cse5 (<= ~a17~0 0))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a7~0)| 0)) (and .cse0 (<= ~a7~0 0) .cse3 .cse2) (and .cse0 .cse4 .cse3 .cse2) (and .cse0 .cse5 .cse3) (not (= |old(~a20~0)| 1)) (not (= |old(~a21~0)| 1)) (not (= |old(~a17~0)| 1)) (and .cse5 .cse6) (not (<= |old(~a16~0)| 5)) (and .cse0 .cse4 (not (= ~a8~0 13)) .cse2) (not (<= 15 |old(~a8~0)|)) (and .cse6 .cse2) (and .cse0 .cse5 .cse1) (and .cse0 .cse4 .cse5)))) [2020-09-04 13:32:27,614 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-09-04 13:32:27,614 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-04 13:32:27,615 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (= ~a20~0 1)) (.cse4 (<= ~a16~0 5))) (let ((.cse6 (let ((.cse7 (<= ~a21~0 0))) (or (and .cse7 .cse3) (and .cse4 .cse7)))) (.cse2 (= ~a17~0 1)) (.cse1 (<= 15 ~a8~0)) (.cse0 (= ~a21~0 1)) (.cse5 (<= ~a17~0 0))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a7~0)| 0)) (and .cse0 (<= ~a7~0 0) .cse3 .cse2) (and .cse0 .cse4 .cse3 .cse2) (and .cse0 .cse5 .cse3) (not (= |old(~a20~0)| 1)) (not (= |old(~a21~0)| 1)) (not (= |old(~a17~0)| 1)) (and .cse5 .cse6) (not (<= |old(~a16~0)| 5)) (and .cse0 .cse4 (not (= ~a8~0 13)) .cse2) (not (<= 15 |old(~a8~0)|)) (and .cse6 .cse2) (and .cse0 .cse5 .cse1) (and .cse0 .cse4 .cse5)))) [2020-09-04 13:32:27,615 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-09-04 13:32:27,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:32:27 BoogieIcfgContainer [2020-09-04 13:32:27,654 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:32:27,656 INFO L168 Benchmark]: Toolchain (without parser) took 28197.31 ms. Allocated memory was 138.9 MB in the beginning and 512.2 MB in the end (delta: 373.3 MB). Free memory was 99.8 MB in the beginning and 265.9 MB in the end (delta: -166.1 MB). Peak memory consumption was 395.9 MB. Max. memory is 7.1 GB. [2020-09-04 13:32:27,657 INFO L168 Benchmark]: CDTParser took 1.59 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 13:32:27,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 857.14 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 99.6 MB in the beginning and 169.4 MB in the end (delta: -69.8 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2020-09-04 13:32:27,658 INFO L168 Benchmark]: Boogie Preprocessor took 124.56 ms. Allocated memory is still 203.9 MB. Free memory was 169.4 MB in the beginning and 164.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-09-04 13:32:27,659 INFO L168 Benchmark]: RCFGBuilder took 1375.59 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 164.6 MB in the beginning and 179.1 MB in the end (delta: -14.6 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2020-09-04 13:32:27,660 INFO L168 Benchmark]: TraceAbstraction took 25831.34 ms. Allocated memory was 236.5 MB in the beginning and 512.2 MB in the end (delta: 275.8 MB). Free memory was 179.1 MB in the beginning and 265.9 MB in the end (delta: -86.7 MB). Peak memory consumption was 377.7 MB. Max. memory is 7.1 GB. [2020-09-04 13:32:27,664 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.59 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 857.14 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 99.6 MB in the beginning and 169.4 MB in the end (delta: -69.8 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.56 ms. Allocated memory is still 203.9 MB. Free memory was 169.4 MB in the beginning and 164.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1375.59 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 164.6 MB in the beginning and 179.1 MB in the end (delta: -14.6 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25831.34 ms. Allocated memory was 236.5 MB in the beginning and 512.2 MB in the end (delta: 275.8 MB). Free memory was 179.1 MB in the beginning and 265.9 MB in the end (delta: -86.7 MB). Peak memory consumption was 377.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: 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: (((((((((((((((a21 == 1 && 15 <= a8) && a17 == 1) || !(\old(a7) <= 0)) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a17 == 1)) || (((a21 == 1 && a16 <= 5) && a20 == 1) && a17 == 1)) || ((a21 == 1 && a17 <= 0) && a20 == 1)) || !(\old(a20) == 1)) || !(\old(a21) == 1)) || !(\old(a17) == 1)) || (a17 <= 0 && ((a21 <= 0 && a20 == 1) || (a16 <= 5 && a21 <= 0)))) || !(\old(a16) <= 5)) || (((a21 == 1 && a16 <= 5) && !(a8 == 13)) && a17 == 1)) || !(15 <= \old(a8))) || (((a21 <= 0 && a20 == 1) || (a16 <= 5 && a21 <= 0)) && a17 == 1)) || ((a21 == 1 && a17 <= 0) && 15 <= a8)) || ((a21 == 1 && a16 <= 5) && a17 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.3s, OverallIterations: 7, TraceHistogramMax: 5, AutomataDifference: 15.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 255 SDtfs, 4058 SDslu, 447 SDs, 0 SdLazy, 6829 SolverSat, 1662 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 941 GetRequests, 834 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2584occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 1302 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 98 PreInvPairs, 176 NumberOfFragments, 792 HoareAnnotationTreeSize, 98 FomulaSimplifications, 249330 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5076 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1748 NumberOfCodeBlocks, 1748 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1736 ConstructedInterpolants, 0 QuantifiedInterpolants, 670458 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2249 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 543/713 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...