/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 23:33:13,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 23:33:13,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 23:33:13,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-19 23:33:13,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 23:33:13,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 23:33:13,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 23:33:13,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 23:33:13,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 23:33:13,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 23:33:13,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 23:33:13,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 23:33:14,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 23:33:14,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 23:33:14,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 23:33:14,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 23:33:14,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 23:33:14,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 23:33:14,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 23:33:14,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 23:33:14,031 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 23:33:14,084 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 23:33:14,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 23:33:14,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 23:33:14,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 23:33:14,091 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 23:33:14,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 23:33:14,091 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 23:33:14,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 23:33:14,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 23:33:14,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 23:33:14,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 23:33:14,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 23:33:14,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 23:33:14,093 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 23:33:14,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 23:33:14,093 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 23:33:14,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 23:33:14,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 23:33:14,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 23:33:14,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 23:33:14,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 23:33:14,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 23:33:14,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 23:33:14,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 23:33:14,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 23:33:14,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 23:33:14,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 23:33:14,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 23:33:14,100 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 23:33:14,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 23:33:14,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 23:33:14,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 23:33:14,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 23:33:14,518 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 23:33:14,519 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 23:33:14,519 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label36.c [2020-07-19 23:33:14,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a12f26102/7d94dc6d43a7412e9d9a78883fca8f85/FLAGd6ebdba92 [2020-07-19 23:33:15,524 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 23:33:15,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label36.c [2020-07-19 23:33:15,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a12f26102/7d94dc6d43a7412e9d9a78883fca8f85/FLAGd6ebdba92 [2020-07-19 23:33:15,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a12f26102/7d94dc6d43a7412e9d9a78883fca8f85 [2020-07-19 23:33:15,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 23:33:15,648 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 23:33:15,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 23:33:15,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 23:33:15,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 23:33:15,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:33:15" (1/1) ... [2020-07-19 23:33:15,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cee31c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:33:15, skipping insertion in model container [2020-07-19 23:33:15,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:33:15" (1/1) ... [2020-07-19 23:33:15,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 23:33:15,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 23:33:16,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:33:16,421 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 23:33:16,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:33:16,893 INFO L208 MainTranslator]: Completed translation [2020-07-19 23:33:16,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:33:16 WrapperNode [2020-07-19 23:33:16,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 23:33:16,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 23:33:16,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 23:33:16,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 23:33:16,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:33:16" (1/1) ... [2020-07-19 23:33:16,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:33:16" (1/1) ... [2020-07-19 23:33:16,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:33:16" (1/1) ... [2020-07-19 23:33:16,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:33:16" (1/1) ... [2020-07-19 23:33:17,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:33:16" (1/1) ... [2020-07-19 23:33:17,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:33:16" (1/1) ... [2020-07-19 23:33:17,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:33:16" (1/1) ... [2020-07-19 23:33:17,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 23:33:17,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 23:33:17,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 23:33:17,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 23:33:17,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:33:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 23:33:17,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 23:33:17,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 23:33:17,214 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 23:33:17,215 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 23:33:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 23:33:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 23:33:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 23:33:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 23:33:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 23:33:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 23:33:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 23:33:19,688 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 23:33:19,689 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 23:33:19,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:33:19 BoogieIcfgContainer [2020-07-19 23:33:19,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 23:33:19,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 23:33:19,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 23:33:19,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 23:33:19,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:33:15" (1/3) ... [2020-07-19 23:33:19,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca60145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:33:19, skipping insertion in model container [2020-07-19 23:33:19,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:33:16" (2/3) ... [2020-07-19 23:33:19,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca60145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:33:19, skipping insertion in model container [2020-07-19 23:33:19,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:33:19" (3/3) ... [2020-07-19 23:33:19,716 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label36.c [2020-07-19 23:33:19,734 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 23:33:19,747 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 23:33:19,773 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 23:33:19,820 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 23:33:19,821 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 23:33:19,821 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 23:33:19,821 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 23:33:19,821 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 23:33:19,821 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 23:33:19,821 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 23:33:19,822 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 23:33:19,862 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-07-19 23:33:19,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-19 23:33:19,877 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:33:19,879 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] [2020-07-19 23:33:19,880 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:33:19,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:33:19,891 INFO L82 PathProgramCache]: Analyzing trace with hash 406410443, now seen corresponding path program 1 times [2020-07-19 23:33:19,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:33:19,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867960522] [2020-07-19 23:33:19,907 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@13d69a82 [2020-07-19 23:33:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:20,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:33:20,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867960522] [2020-07-19 23:33:20,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:33:20,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 23:33:20,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338515248] [2020-07-19 23:33:20,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 23:33:20,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:33:20,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 23:33:20,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 23:33:20,622 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-07-19 23:33:25,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:33:25,336 INFO L93 Difference]: Finished difference Result 886 states and 1612 transitions. [2020-07-19 23:33:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 23:33:25,338 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-07-19 23:33:25,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:33:25,369 INFO L225 Difference]: With dead ends: 886 [2020-07-19 23:33:25,369 INFO L226 Difference]: Without dead ends: 564 [2020-07-19 23:33:25,382 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 [2020-07-19 23:33:25,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-07-19 23:33:25,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-07-19 23:33:25,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-07-19 23:33:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 861 transitions. [2020-07-19 23:33:25,519 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 861 transitions. Word has length 54 [2020-07-19 23:33:25,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:33:25,521 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 861 transitions. [2020-07-19 23:33:25,521 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 23:33:25,521 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 861 transitions. [2020-07-19 23:33:25,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-19 23:33:25,532 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:33:25,532 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 23:33:25,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 23:33:25,533 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:33:25,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:33:25,534 INFO L82 PathProgramCache]: Analyzing trace with hash -724645666, now seen corresponding path program 1 times [2020-07-19 23:33:25,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:33:25,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585160006] [2020-07-19 23:33:25,535 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@13d69a82 [2020-07-19 23:33:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:26,058 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:33:26,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585160006] [2020-07-19 23:33:26,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:33:26,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 23:33:26,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526181955] [2020-07-19 23:33:26,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 23:33:26,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:33:26,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 23:33:26,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 23:33:26,065 INFO L87 Difference]: Start difference. First operand 560 states and 861 transitions. Second operand 7 states. [2020-07-19 23:33:28,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:33:28,976 INFO L93 Difference]: Finished difference Result 1518 states and 2374 transitions. [2020-07-19 23:33:28,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-19 23:33:28,978 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 148 [2020-07-19 23:33:28,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:33:28,989 INFO L225 Difference]: With dead ends: 1518 [2020-07-19 23:33:28,989 INFO L226 Difference]: Without dead ends: 964 [2020-07-19 23:33:28,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 23:33:28,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2020-07-19 23:33:29,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 944. [2020-07-19 23:33:29,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2020-07-19 23:33:29,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1336 transitions. [2020-07-19 23:33:29,085 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1336 transitions. Word has length 148 [2020-07-19 23:33:29,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:33:29,086 INFO L479 AbstractCegarLoop]: Abstraction has 944 states and 1336 transitions. [2020-07-19 23:33:29,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 23:33:29,087 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1336 transitions. [2020-07-19 23:33:29,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-07-19 23:33:29,095 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:33:29,096 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:33:29,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 23:33:29,097 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:33:29,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:33:29,098 INFO L82 PathProgramCache]: Analyzing trace with hash 2026240930, now seen corresponding path program 1 times [2020-07-19 23:33:29,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:33:29,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144013845] [2020-07-19 23:33:29,099 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@13d69a82 [2020-07-19 23:33:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:29,484 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:33:29,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144013845] [2020-07-19 23:33:29,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:33:29,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 23:33:29,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475121256] [2020-07-19 23:33:29,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 23:33:29,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:33:29,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 23:33:29,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:33:29,489 INFO L87 Difference]: Start difference. First operand 944 states and 1336 transitions. Second operand 8 states. [2020-07-19 23:33:31,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:33:31,751 INFO L93 Difference]: Finished difference Result 2490 states and 3798 transitions. [2020-07-19 23:33:31,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 23:33:31,753 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 194 [2020-07-19 23:33:31,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:33:31,782 INFO L225 Difference]: With dead ends: 2490 [2020-07-19 23:33:31,794 INFO L226 Difference]: Without dead ends: 1552 [2020-07-19 23:33:31,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-07-19 23:33:31,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2020-07-19 23:33:31,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1518. [2020-07-19 23:33:31,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1518 states. [2020-07-19 23:33:31,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 2119 transitions. [2020-07-19 23:33:31,940 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 2119 transitions. Word has length 194 [2020-07-19 23:33:31,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:33:31,941 INFO L479 AbstractCegarLoop]: Abstraction has 1518 states and 2119 transitions. [2020-07-19 23:33:31,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 23:33:31,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 2119 transitions. [2020-07-19 23:33:31,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-07-19 23:33:31,948 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:33:31,949 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:33:31,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 23:33:31,950 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:33:31,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:33:31,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1200176176, now seen corresponding path program 1 times [2020-07-19 23:33:31,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:33:31,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660637382] [2020-07-19 23:33:31,951 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@13d69a82 [2020-07-19 23:33:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:32,362 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 94 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-19 23:33:32,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660637382] [2020-07-19 23:33:32,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647340239] [2020-07-19 23:33:32,363 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@48030802 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:33:32,604 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@48030802 issued 4 check-sat command(s) [2020-07-19 23:33:32,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:33:32,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:33:32,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:33:32,889 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 168 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:33:32,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:33:32,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-07-19 23:33:32,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936780505] [2020-07-19 23:33:32,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 23:33:32,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:33:32,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 23:33:32,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-07-19 23:33:32,897 INFO L87 Difference]: Start difference. First operand 1518 states and 2119 transitions. Second operand 11 states. [2020-07-19 23:33:39,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:33:39,117 INFO L93 Difference]: Finished difference Result 4558 states and 6342 transitions. [2020-07-19 23:33:39,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-19 23:33:39,119 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 213 [2020-07-19 23:33:39,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:33:39,146 INFO L225 Difference]: With dead ends: 4558 [2020-07-19 23:33:39,147 INFO L226 Difference]: Without dead ends: 3046 [2020-07-19 23:33:39,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2020-07-19 23:33:39,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3046 states. [2020-07-19 23:33:39,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3046 to 2848. [2020-07-19 23:33:39,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2848 states. [2020-07-19 23:33:39,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2848 states to 2848 states and 3693 transitions. [2020-07-19 23:33:39,290 INFO L78 Accepts]: Start accepts. Automaton has 2848 states and 3693 transitions. Word has length 213 [2020-07-19 23:33:39,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:33:39,291 INFO L479 AbstractCegarLoop]: Abstraction has 2848 states and 3693 transitions. [2020-07-19 23:33:39,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 23:33:39,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2848 states and 3693 transitions. [2020-07-19 23:33:39,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-07-19 23:33:39,301 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:33:39,301 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-19 23:33:39,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:33:39,515 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:33:39,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:33:39,516 INFO L82 PathProgramCache]: Analyzing trace with hash -206286573, now seen corresponding path program 1 times [2020-07-19 23:33:39,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:33:39,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444006149] [2020-07-19 23:33:39,517 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@13d69a82 [2020-07-19 23:33:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:40,181 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 141 proven. 136 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-07-19 23:33:40,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444006149] [2020-07-19 23:33:40,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653756248] [2020-07-19 23:33:40,183 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1244a462 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:33:40,558 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1244a462 issued 4 check-sat command(s) [2020-07-19 23:33:40,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:33:40,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:33:40,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:33:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 291 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-19 23:33:40,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:33:40,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-07-19 23:33:40,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016435854] [2020-07-19 23:33:40,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 23:33:40,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:33:40,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 23:33:40,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-19 23:33:40,886 INFO L87 Difference]: Start difference. First operand 2848 states and 3693 transitions. Second operand 11 states. [2020-07-19 23:33:47,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:33:47,171 INFO L93 Difference]: Finished difference Result 6848 states and 9107 transitions. [2020-07-19 23:33:47,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-19 23:33:47,173 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 315 [2020-07-19 23:33:47,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:33:47,200 INFO L225 Difference]: With dead ends: 6848 [2020-07-19 23:33:47,201 INFO L226 Difference]: Without dead ends: 4006 [2020-07-19 23:33:47,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=127, Invalid=425, Unknown=0, NotChecked=0, Total=552 [2020-07-19 23:33:47,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4006 states. [2020-07-19 23:33:47,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4006 to 3980. [2020-07-19 23:33:47,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3980 states. [2020-07-19 23:33:47,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3980 states to 3980 states and 4930 transitions. [2020-07-19 23:33:47,365 INFO L78 Accepts]: Start accepts. Automaton has 3980 states and 4930 transitions. Word has length 315 [2020-07-19 23:33:47,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:33:47,365 INFO L479 AbstractCegarLoop]: Abstraction has 3980 states and 4930 transitions. [2020-07-19 23:33:47,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 23:33:47,366 INFO L276 IsEmpty]: Start isEmpty. Operand 3980 states and 4930 transitions. [2020-07-19 23:33:47,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2020-07-19 23:33:47,378 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:33:47,378 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:33:47,594 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:33:47,594 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:33:47,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:33:47,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1326324748, now seen corresponding path program 1 times [2020-07-19 23:33:47,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:33:47,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383452522] [2020-07-19 23:33:47,599 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@13d69a82 [2020-07-19 23:33:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:48,650 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 175 proven. 221 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-19 23:33:48,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383452522] [2020-07-19 23:33:48,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042363305] [2020-07-19 23:33:48,654 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@232bbcde No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:33:48,864 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@232bbcde issued 4 check-sat command(s) [2020-07-19 23:33:48,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:33:48,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:33:48,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:33:48,965 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-07-19 23:33:48,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:33:48,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-07-19 23:33:48,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139757066] [2020-07-19 23:33:48,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 23:33:48,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:33:48,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 23:33:48,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:33:48,968 INFO L87 Difference]: Start difference. First operand 3980 states and 4930 transitions. Second operand 3 states. [2020-07-19 23:33:50,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:33:50,509 INFO L93 Difference]: Finished difference Result 9232 states and 11489 transitions. [2020-07-19 23:33:50,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 23:33:50,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 344 [2020-07-19 23:33:50,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:33:50,555 INFO L225 Difference]: With dead ends: 9232 [2020-07-19 23:33:50,555 INFO L226 Difference]: Without dead ends: 6008 [2020-07-19 23:33:50,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:33:50,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6008 states. [2020-07-19 23:33:50,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6008 to 5460. [2020-07-19 23:33:50,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5460 states. [2020-07-19 23:33:50,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5460 states to 5460 states and 6838 transitions. [2020-07-19 23:33:50,795 INFO L78 Accepts]: Start accepts. Automaton has 5460 states and 6838 transitions. Word has length 344 [2020-07-19 23:33:50,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:33:50,797 INFO L479 AbstractCegarLoop]: Abstraction has 5460 states and 6838 transitions. [2020-07-19 23:33:50,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 23:33:50,797 INFO L276 IsEmpty]: Start isEmpty. Operand 5460 states and 6838 transitions. [2020-07-19 23:33:50,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-07-19 23:33:50,810 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:33:50,811 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:33:51,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:33:51,025 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:33:51,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:33:51,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1081894057, now seen corresponding path program 1 times [2020-07-19 23:33:51,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:33:51,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414749890] [2020-07-19 23:33:51,029 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@13d69a82 [2020-07-19 23:33:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:33:52,028 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 175 proven. 232 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-19 23:33:52,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414749890] [2020-07-19 23:33:52,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124722320] [2020-07-19 23:33:52,030 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1db9dea3 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:33:52,274 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1db9dea3 issued 4 check-sat command(s) [2020-07-19 23:33:52,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:33:52,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:33:52,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:33:52,437 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2020-07-19 23:33:52,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:33:52,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-07-19 23:33:52,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519081333] [2020-07-19 23:33:52,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 23:33:52,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:33:52,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 23:33:52,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:33:52,440 INFO L87 Difference]: Start difference. First operand 5460 states and 6838 transitions. Second operand 3 states. [2020-07-19 23:33:53,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:33:53,456 INFO L93 Difference]: Finished difference Result 6740 states and 8539 transitions. [2020-07-19 23:33:53,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 23:33:53,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 355 [2020-07-19 23:33:53,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:33:53,458 INFO L225 Difference]: With dead ends: 6740 [2020-07-19 23:33:53,458 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 23:33:53,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:33:53,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 23:33:53,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 23:33:53,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 23:33:53,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 23:33:53,472 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 355 [2020-07-19 23:33:53,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:33:53,473 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 23:33:53,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 23:33:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 23:33:53,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 23:33:53,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:33:53,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 23:33:54,352 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 25 [2020-07-19 23:33:54,576 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:33:54,576 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a24~0 |old(~a24~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-07-19 23:33:54,576 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:33:54,576 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-07-19 23:33:54,576 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-07-19 23:33:54,577 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,577 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,577 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,577 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-07-19 23:33:54,577 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-19 23:33:54,577 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-19 23:33:54,577 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-19 23:33:54,577 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-07-19 23:33:54,578 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-07-19 23:33:54,578 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-07-19 23:33:54,578 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-07-19 23:33:54,578 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,578 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,578 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,579 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-07-19 23:33:54,579 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-07-19 23:33:54,580 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-19 23:33:54,580 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-19 23:33:54,580 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-19 23:33:54,580 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-07-19 23:33:54,580 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-07-19 23:33:54,582 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-07-19 23:33:54,583 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,583 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,583 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,583 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-07-19 23:33:54,583 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-19 23:33:54,583 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-19 23:33:54,583 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-19 23:33:54,584 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-07-19 23:33:54,584 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-07-19 23:33:54,584 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-07-19 23:33:54,584 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-07-19 23:33:54,584 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-07-19 23:33:54,584 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,584 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,584 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,585 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-07-19 23:33:54,585 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-19 23:33:54,585 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-19 23:33:54,585 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-19 23:33:54,585 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-07-19 23:33:54,591 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-07-19 23:33:54,591 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-07-19 23:33:54,591 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,591 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,591 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,591 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-07-19 23:33:54,591 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-19 23:33:54,592 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-19 23:33:54,592 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-19 23:33:54,592 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-07-19 23:33:54,592 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-07-19 23:33:54,592 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-07-19 23:33:54,594 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-07-19 23:33:54,594 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-07-19 23:33:54,594 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,594 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,594 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,594 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,595 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-07-19 23:33:54,595 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-19 23:33:54,595 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-19 23:33:54,595 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-19 23:33:54,595 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-07-19 23:33:54,595 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-07-19 23:33:54,595 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-07-19 23:33:54,595 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-07-19 23:33:54,596 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,596 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,596 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,596 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-19 23:33:54,596 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-19 23:33:54,596 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-19 23:33:54,596 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-07-19 23:33:54,596 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-07-19 23:33:54,596 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-07-19 23:33:54,597 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-07-19 23:33:54,597 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-07-19 23:33:54,597 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,597 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,597 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,597 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-07-19 23:33:54,597 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-07-19 23:33:54,597 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-19 23:33:54,598 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-19 23:33:54,598 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-19 23:33:54,598 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-07-19 23:33:54,598 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or .cse0 (not (<= 7 |old(~a15~0)|))) (or .cse0 (not (<= |old(~a12~0)| 80))) (or .cse0 (= 8 |old(~a21~0)|)))) [2020-07-19 23:33:54,598 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-07-19 23:33:54,598 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-07-19 23:33:54,598 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,598 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,599 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,599 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-19 23:33:54,599 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-19 23:33:54,599 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-19 23:33:54,599 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-07-19 23:33:54,599 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-07-19 23:33:54,599 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-07-19 23:33:54,599 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-07-19 23:33:54,599 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-07-19 23:33:54,600 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,600 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,601 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,601 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-07-19 23:33:54,601 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-07-19 23:33:54,601 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-19 23:33:54,601 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-19 23:33:54,601 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-19 23:33:54,602 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-07-19 23:33:54,605 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-07-19 23:33:54,605 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-07-19 23:33:54,606 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,606 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,606 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,606 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-07-19 23:33:54,606 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-19 23:33:54,606 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-19 23:33:54,606 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-19 23:33:54,606 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-07-19 23:33:54,606 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-07-19 23:33:54,607 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-07-19 23:33:54,607 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-07-19 23:33:54,607 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,607 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,607 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,607 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-07-19 23:33:54,607 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-19 23:33:54,607 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-19 23:33:54,608 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-19 23:33:54,608 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-07-19 23:33:54,608 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-07-19 23:33:54,608 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-07-19 23:33:54,608 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-07-19 23:33:54,608 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,608 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,608 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-07-19 23:33:54,609 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-19 23:33:54,609 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-19 23:33:54,609 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-07-19 23:33:54,609 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-07-19 23:33:54,609 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-07-19 23:33:54,609 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-07-19 23:33:54,609 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-07-19 23:33:54,609 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2020-07-19 23:33:54,610 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,610 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,610 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-07-19 23:33:54,610 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-19 23:33:54,610 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-19 23:33:54,610 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-07-19 23:33:54,610 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-07-19 23:33:54,610 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-07-19 23:33:54,610 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,611 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,611 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-07-19 23:33:54,611 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-07-19 23:33:54,611 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-19 23:33:54,611 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-19 23:33:54,611 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-07-19 23:33:54,611 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-07-19 23:33:54,611 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-07-19 23:33:54,611 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-07-19 23:33:54,612 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,612 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,612 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-07-19 23:33:54,612 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-07-19 23:33:54,612 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-19 23:33:54,612 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-19 23:33:54,612 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-07-19 23:33:54,612 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-07-19 23:33:54,613 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-07-19 23:33:54,613 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,613 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,613 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,613 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-07-19 23:33:54,613 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-07-19 23:33:54,613 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-19 23:33:54,613 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-19 23:33:54,613 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-07-19 23:33:54,614 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-07-19 23:33:54,614 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,614 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,614 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-19 23:33:54,614 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,614 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-07-19 23:33:54,614 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-07-19 23:33:54,614 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-07-19 23:33:54,614 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-19 23:33:54,615 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-19 23:33:54,615 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-19 23:33:54,615 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-07-19 23:33:54,615 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-07-19 23:33:54,615 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-07-19 23:33:54,615 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-07-19 23:33:54,615 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,615 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,616 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,616 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-07-19 23:33:54,616 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-19 23:33:54,616 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-19 23:33:54,616 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-19 23:33:54,616 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-07-19 23:33:54,616 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-07-19 23:33:54,617 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-07-19 23:33:54,617 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-07-19 23:33:54,617 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,617 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,617 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,617 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-07-19 23:33:54,617 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-07-19 23:33:54,617 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-19 23:33:54,618 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-19 23:33:54,618 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-19 23:33:54,618 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-07-19 23:33:54,618 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-07-19 23:33:54,618 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-07-19 23:33:54,618 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,618 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,619 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,619 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-07-19 23:33:54,619 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-19 23:33:54,619 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-19 23:33:54,619 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-19 23:33:54,619 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-07-19 23:33:54,619 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-07-19 23:33:54,619 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-07-19 23:33:54,619 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-07-19 23:33:54,619 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-07-19 23:33:54,620 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,620 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,620 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-07-19 23:33:54,620 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-07-19 23:33:54,620 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-19 23:33:54,620 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-19 23:33:54,620 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-19 23:33:54,621 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-07-19 23:33:54,621 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:33:54,621 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (<= ~a15~0 8) (<= ~a21~0 7) (<= 8 ~a15~0)) [2020-07-19 23:33:54,622 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 23:33:54,622 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:33:54,622 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7)) (not (<= 8 |old(~a15~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (<= ~a15~0 8) (= ~a21~0 |old(~a21~0)|) (<= 8 ~a15~0))) [2020-07-19 23:33:54,623 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-07-19 23:33:54,623 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (= 8 ~a21~0)) (<= 7 ~a15~0) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a15~0)| 8)) (<= ~a12~0 80) (not (<= |old(~a21~0)| 7)) (not (<= 8 |old(~a15~0)|))) [2020-07-19 23:33:54,623 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-19 23:33:54,623 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-19 23:33:54,624 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (not (= 8 ~a21~0)) (<= 7 ~a15~0) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a15~0)| 8)) (<= ~a12~0 80) (not (<= |old(~a21~0)| 7)) (not (<= 8 |old(~a15~0)|))) [2020-07-19 23:33:54,624 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-07-19 23:33:54,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:33:54 BoogieIcfgContainer [2020-07-19 23:33:54,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 23:33:54,654 INFO L168 Benchmark]: Toolchain (without parser) took 39002.78 ms. Allocated memory was 143.7 MB in the beginning and 647.0 MB in the end (delta: 503.3 MB). Free memory was 98.5 MB in the beginning and 499.2 MB in the end (delta: -400.6 MB). Peak memory consumption was 466.1 MB. Max. memory is 7.1 GB. [2020-07-19 23:33:54,655 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 143.7 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 23:33:54,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1240.28 ms. Allocated memory was 143.7 MB in the beginning and 206.0 MB in the end (delta: 62.4 MB). Free memory was 98.3 MB in the beginning and 169.6 MB in the end (delta: -71.3 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. [2020-07-19 23:33:54,657 INFO L168 Benchmark]: Boogie Preprocessor took 181.22 ms. Allocated memory is still 206.0 MB. Free memory was 169.6 MB in the beginning and 163.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2020-07-19 23:33:54,661 INFO L168 Benchmark]: RCFGBuilder took 2621.94 ms. Allocated memory was 206.0 MB in the beginning and 235.4 MB in the end (delta: 29.4 MB). Free memory was 163.7 MB in the beginning and 158.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2020-07-19 23:33:54,662 INFO L168 Benchmark]: TraceAbstraction took 34945.15 ms. Allocated memory was 235.4 MB in the beginning and 647.0 MB in the end (delta: 411.6 MB). Free memory was 158.4 MB in the beginning and 499.2 MB in the end (delta: -340.8 MB). Peak memory consumption was 434.2 MB. Max. memory is 7.1 GB. [2020-07-19 23:33:54,674 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 143.7 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1240.28 ms. Allocated memory was 143.7 MB in the beginning and 206.0 MB in the end (delta: 62.4 MB). Free memory was 98.3 MB in the beginning and 169.6 MB in the end (delta: -71.3 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 181.22 ms. Allocated memory is still 206.0 MB. Free memory was 169.6 MB in the beginning and 163.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2621.94 ms. Allocated memory was 206.0 MB in the beginning and 235.4 MB in the end (delta: 29.4 MB). Free memory was 163.7 MB in the beginning and 158.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 34945.15 ms. Allocated memory was 235.4 MB in the beginning and 647.0 MB in the end (delta: 411.6 MB). Free memory was 158.4 MB in the beginning and 499.2 MB in the end (delta: -340.8 MB). Peak memory consumption was 434.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 880]: Loop Invariant Derived loop invariant: (((((!(8 == a21) || 7 <= a15) || !(\old(a12) + 49 <= 0)) || !(\old(a15) <= 8)) || a12 <= 80) || !(\old(a21) <= 7)) || !(8 <= \old(a15)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 33.8s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 25.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 275 SDtfs, 5526 SDslu, 370 SDs, 0 SdLazy, 10706 SolverSat, 2069 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1372 GetRequests, 1279 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5460occurred 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: 0.8s AutomataMinimizationTime, 7 MinimizatonAttempts, 830 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 96 PreInvPairs, 178 NumberOfFragments, 194 HoareAnnotationTreeSize, 96 FomulaSimplifications, 13888 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2182 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 2850 NumberOfCodeBlocks, 2850 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2839 ConstructedInterpolants, 0 QuantifiedInterpolants, 2796312 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2070 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 2130/2794 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...