/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:54:02,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:54:02,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:54:02,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:54:02,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:54:02,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:54:02,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:54:02,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:54:02,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:54:02,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:54:02,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:54:02,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:54:02,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:54:02,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:54:02,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:54:02,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:54:02,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:54:02,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:54:02,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:54:02,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:54:02,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:54:02,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:54:02,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:54:02,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:54:02,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 16:54:02,166 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 [2020-08-22 16:54:02,189 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:54:02,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:54:02,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:54:02,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:54:02,191 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:54:02,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:54:02,191 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:54:02,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:54:02,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:54:02,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:54:02,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:54:02,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:54:02,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:54:02,193 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:54:02,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:54:02,193 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:54:02,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:54:02,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:54:02,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:54:02,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:54:02,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:54:02,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:54:02,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:54:02,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:54:02,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:54:02,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:54:02,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:54:02,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:54:02,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:54:02,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:54:02,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:54:02,533 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:54:02,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:54:02,541 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:54:02,542 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:54:02,543 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-08-22 16:54:02,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef67a5a91/14b2635620e24e489527496b6e87bda8/FLAG83f9b91c1 [2020-08-22 16:54:03,164 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:54:03,165 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-08-22 16:54:03,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef67a5a91/14b2635620e24e489527496b6e87bda8/FLAG83f9b91c1 [2020-08-22 16:54:03,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef67a5a91/14b2635620e24e489527496b6e87bda8 [2020-08-22 16:54:03,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:54:03,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:54:03,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:54:03,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:54:03,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:54:03,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:54:03" (1/1) ... [2020-08-22 16:54:03,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7384fbb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:03, skipping insertion in model container [2020-08-22 16:54:03,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:54:03" (1/1) ... [2020-08-22 16:54:03,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:54:03,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:54:04,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:54:04,146 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:54:04,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:54:04,284 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:54:04,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04 WrapperNode [2020-08-22 16:54:04,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:54:04,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:54:04,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:54:04,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:54:04,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (1/1) ... [2020-08-22 16:54:04,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (1/1) ... [2020-08-22 16:54:04,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (1/1) ... [2020-08-22 16:54:04,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (1/1) ... [2020-08-22 16:54:04,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (1/1) ... [2020-08-22 16:54:04,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (1/1) ... [2020-08-22 16:54:04,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (1/1) ... [2020-08-22 16:54:04,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:54:04,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:54:04,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:54:04,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:54:04,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (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 [2020-08-22 16:54:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:54:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:54:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 16:54:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:54:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 16:54:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:54:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:54:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 16:54:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:54:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:54:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:54:06,009 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:54:06,009 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 16:54:06,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:54:06 BoogieIcfgContainer [2020-08-22 16:54:06,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:54:06,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:54:06,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:54:06,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:54:06,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:54:03" (1/3) ... [2020-08-22 16:54:06,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f45343a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:54:06, skipping insertion in model container [2020-08-22 16:54:06,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:04" (2/3) ... [2020-08-22 16:54:06,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f45343a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:54:06, skipping insertion in model container [2020-08-22 16:54:06,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:54:06" (3/3) ... [2020-08-22 16:54:06,026 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label30.c [2020-08-22 16:54:06,037 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:54:06,045 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:54:06,062 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:54:06,093 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:54:06,093 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:54:06,094 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:54:06,094 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:54:06,094 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:54:06,094 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:54:06,094 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:54:06,095 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:54:06,123 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-08-22 16:54:06,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-08-22 16:54:06,133 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:06,134 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] [2020-08-22 16:54:06,134 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:06,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:06,143 INFO L82 PathProgramCache]: Analyzing trace with hash 2061919546, now seen corresponding path program 1 times [2020-08-22 16:54:06,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:06,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345867650] [2020-08-22 16:54:06,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:06,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:54:06,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345867650] [2020-08-22 16:54:06,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:54:06,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 16:54:06,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796598916] [2020-08-22 16:54:06,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:54:06,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:06,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:54:06,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:54:06,611 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-08-22 16:54:09,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:09,766 INFO L93 Difference]: Finished difference Result 902 states and 1625 transitions. [2020-08-22 16:54:09,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:54:09,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-08-22 16:54:09,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:09,790 INFO L225 Difference]: With dead ends: 902 [2020-08-22 16:54:09,790 INFO L226 Difference]: Without dead ends: 564 [2020-08-22 16:54:09,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:54:09,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-08-22 16:54:09,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 376. [2020-08-22 16:54:09,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-08-22 16:54:09,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 528 transitions. [2020-08-22 16:54:09,889 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 528 transitions. Word has length 49 [2020-08-22 16:54:09,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:09,890 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 528 transitions. [2020-08-22 16:54:09,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:54:09,890 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 528 transitions. [2020-08-22 16:54:09,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-22 16:54:09,897 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:09,897 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:54:09,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:54:09,898 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:09,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:09,899 INFO L82 PathProgramCache]: Analyzing trace with hash 783093133, now seen corresponding path program 1 times [2020-08-22 16:54:09,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:09,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203474014] [2020-08-22 16:54:09,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:10,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:10,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:10,274 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:54:10,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203474014] [2020-08-22 16:54:10,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:54:10,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:54:10,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147400529] [2020-08-22 16:54:10,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:54:10,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:10,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:54:10,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:54:10,278 INFO L87 Difference]: Start difference. First operand 376 states and 528 transitions. Second operand 8 states. [2020-08-22 16:54:12,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:12,109 INFO L93 Difference]: Finished difference Result 942 states and 1295 transitions. [2020-08-22 16:54:12,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 16:54:12,110 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2020-08-22 16:54:12,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:12,121 INFO L225 Difference]: With dead ends: 942 [2020-08-22 16:54:12,121 INFO L226 Difference]: Without dead ends: 572 [2020-08-22 16:54:12,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-22 16:54:12,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2020-08-22 16:54:12,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 564. [2020-08-22 16:54:12,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-08-22 16:54:12,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 745 transitions. [2020-08-22 16:54:12,166 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 745 transitions. Word has length 132 [2020-08-22 16:54:12,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:12,167 INFO L479 AbstractCegarLoop]: Abstraction has 564 states and 745 transitions. [2020-08-22 16:54:12,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:54:12,167 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 745 transitions. [2020-08-22 16:54:12,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-08-22 16:54:12,175 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:12,175 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:54:12,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:54:12,176 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:12,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:12,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1340716769, now seen corresponding path program 1 times [2020-08-22 16:54:12,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:12,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763365461] [2020-08-22 16:54:12,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:12,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:12,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:12,467 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:54:12,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763365461] [2020-08-22 16:54:12,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296074765] [2020-08-22 16:54:12,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-08-22 16:54:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:12,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:54:12,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:12,655 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:54:12,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:54:12,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-08-22 16:54:12,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041218877] [2020-08-22 16:54:12,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:54:12,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:12,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:54:12,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:54:12,658 INFO L87 Difference]: Start difference. First operand 564 states and 745 transitions. Second operand 3 states. [2020-08-22 16:54:13,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:13,519 INFO L93 Difference]: Finished difference Result 1118 states and 1494 transitions. [2020-08-22 16:54:13,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:54:13,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-08-22 16:54:13,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:13,530 INFO L225 Difference]: With dead ends: 1118 [2020-08-22 16:54:13,530 INFO L226 Difference]: Without dead ends: 1116 [2020-08-22 16:54:13,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:54:13,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-08-22 16:54:13,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 750. [2020-08-22 16:54:13,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2020-08-22 16:54:13,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1054 transitions. [2020-08-22 16:54:13,567 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1054 transitions. Word has length 158 [2020-08-22 16:54:13,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:13,568 INFO L479 AbstractCegarLoop]: Abstraction has 750 states and 1054 transitions. [2020-08-22 16:54:13,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:54:13,568 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1054 transitions. [2020-08-22 16:54:13,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-08-22 16:54:13,574 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:13,574 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, 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] [2020-08-22 16:54:13,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-08-22 16:54:13,789 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:13,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:13,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1341152017, now seen corresponding path program 1 times [2020-08-22 16:54:13,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:13,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890551065] [2020-08-22 16:54:13,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:13,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:13,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:13,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 16:54:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:14,055 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 84 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 16:54:14,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890551065] [2020-08-22 16:54:14,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439578142] [2020-08-22 16:54:14,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-08-22 16:54:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:14,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 6 conjunts are in the unsatisfiable core [2020-08-22 16:54:14,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:14,256 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-08-22 16:54:14,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:54:14,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2020-08-22 16:54:14,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116101850] [2020-08-22 16:54:14,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:54:14,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:14,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:54:14,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:54:14,259 INFO L87 Difference]: Start difference. First operand 750 states and 1054 transitions. Second operand 5 states. [2020-08-22 16:54:15,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:15,685 INFO L93 Difference]: Finished difference Result 1892 states and 2738 transitions. [2020-08-22 16:54:15,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:54:15,687 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 202 [2020-08-22 16:54:15,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:15,693 INFO L225 Difference]: With dead ends: 1892 [2020-08-22 16:54:15,694 INFO L226 Difference]: Without dead ends: 1148 [2020-08-22 16:54:15,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-08-22 16:54:15,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2020-08-22 16:54:15,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 1126. [2020-08-22 16:54:15,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1126 states. [2020-08-22 16:54:15,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1479 transitions. [2020-08-22 16:54:15,734 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1479 transitions. Word has length 202 [2020-08-22 16:54:15,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:15,734 INFO L479 AbstractCegarLoop]: Abstraction has 1126 states and 1479 transitions. [2020-08-22 16:54:15,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:54:15,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1479 transitions. [2020-08-22 16:54:15,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-08-22 16:54:15,738 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:15,739 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, 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] [2020-08-22 16:54:15,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:15,953 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:15,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:15,955 INFO L82 PathProgramCache]: Analyzing trace with hash -2013904043, now seen corresponding path program 1 times [2020-08-22 16:54:15,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:15,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390982201] [2020-08-22 16:54:15,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:16,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:16,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:16,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 16:54:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 82 proven. 8 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-08-22 16:54:16,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390982201] [2020-08-22 16:54:16,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836398539] [2020-08-22 16:54:16,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-08-22 16:54:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:16,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:54:16,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:16,382 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-08-22 16:54:16,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:54:16,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2020-08-22 16:54:16,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264306181] [2020-08-22 16:54:16,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:54:16,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:16,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:54:16,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:54:16,385 INFO L87 Difference]: Start difference. First operand 1126 states and 1479 transitions. Second operand 3 states. [2020-08-22 16:54:17,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:17,709 INFO L93 Difference]: Finished difference Result 3166 states and 4238 transitions. [2020-08-22 16:54:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:54:17,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2020-08-22 16:54:17,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:17,729 INFO L225 Difference]: With dead ends: 3166 [2020-08-22 16:54:17,729 INFO L226 Difference]: Without dead ends: 2046 [2020-08-22 16:54:17,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:54:17,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2046 states. [2020-08-22 16:54:17,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2046 to 1862. [2020-08-22 16:54:17,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1862 states. [2020-08-22 16:54:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1862 states and 2342 transitions. [2020-08-22 16:54:17,807 INFO L78 Accepts]: Start accepts. Automaton has 1862 states and 2342 transitions. Word has length 216 [2020-08-22 16:54:17,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:17,808 INFO L479 AbstractCegarLoop]: Abstraction has 1862 states and 2342 transitions. [2020-08-22 16:54:17,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:54:17,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2342 transitions. [2020-08-22 16:54:17,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-08-22 16:54:17,813 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:17,813 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, 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] [2020-08-22 16:54:18,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:18,029 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:18,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:18,030 INFO L82 PathProgramCache]: Analyzing trace with hash 540782893, now seen corresponding path program 1 times [2020-08-22 16:54:18,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:18,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361005862] [2020-08-22 16:54:18,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:18,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:18,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:18,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 16:54:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:18,249 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 82 proven. 8 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-08-22 16:54:18,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361005862] [2020-08-22 16:54:18,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015314468] [2020-08-22 16:54:18,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-08-22 16:54:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:18,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:54:18,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:18,423 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-08-22 16:54:18,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:54:18,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-08-22 16:54:18,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299535328] [2020-08-22 16:54:18,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:54:18,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:18,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:54:18,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:54:18,426 INFO L87 Difference]: Start difference. First operand 1862 states and 2342 transitions. Second operand 3 states. [2020-08-22 16:54:19,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:19,707 INFO L93 Difference]: Finished difference Result 4452 states and 5757 transitions. [2020-08-22 16:54:19,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:54:19,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2020-08-22 16:54:19,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:19,726 INFO L225 Difference]: With dead ends: 4452 [2020-08-22 16:54:19,726 INFO L226 Difference]: Without dead ends: 2596 [2020-08-22 16:54:19,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:54:19,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2596 states. [2020-08-22 16:54:19,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2596 to 2414. [2020-08-22 16:54:19,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2414 states. [2020-08-22 16:54:19,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3016 transitions. [2020-08-22 16:54:19,817 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3016 transitions. Word has length 228 [2020-08-22 16:54:19,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:19,818 INFO L479 AbstractCegarLoop]: Abstraction has 2414 states and 3016 transitions. [2020-08-22 16:54:19,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:54:19,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3016 transitions. [2020-08-22 16:54:19,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-08-22 16:54:19,826 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:19,827 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:54:20,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:20,042 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:20,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:20,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1697739374, now seen corresponding path program 1 times [2020-08-22 16:54:20,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:20,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265542736] [2020-08-22 16:54:20,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:20,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:20,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:20,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 16:54:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:20,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-22 16:54:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:20,917 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 160 proven. 203 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-22 16:54:20,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265542736] [2020-08-22 16:54:20,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206372597] [2020-08-22 16:54:20,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:21,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:54:21,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:21,144 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2020-08-22 16:54:21,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:54:21,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-08-22 16:54:21,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786483336] [2020-08-22 16:54:21,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:54:21,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:21,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:54:21,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:54:21,151 INFO L87 Difference]: Start difference. First operand 2414 states and 3016 transitions. Second operand 3 states. [2020-08-22 16:54:22,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:22,163 INFO L93 Difference]: Finished difference Result 5556 states and 7102 transitions. [2020-08-22 16:54:22,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:54:22,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 325 [2020-08-22 16:54:22,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:22,182 INFO L225 Difference]: With dead ends: 5556 [2020-08-22 16:54:22,182 INFO L226 Difference]: Without dead ends: 3148 [2020-08-22 16:54:22,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:54:22,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-08-22 16:54:22,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 2784. [2020-08-22 16:54:22,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2784 states. [2020-08-22 16:54:22,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 3534 transitions. [2020-08-22 16:54:22,268 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 3534 transitions. Word has length 325 [2020-08-22 16:54:22,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:22,269 INFO L479 AbstractCegarLoop]: Abstraction has 2784 states and 3534 transitions. [2020-08-22 16:54:22,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:54:22,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 3534 transitions. [2020-08-22 16:54:22,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-08-22 16:54:22,315 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:22,316 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:54:22,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-08-22 16:54:22,522 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:22,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:22,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1554306481, now seen corresponding path program 1 times [2020-08-22 16:54:22,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:22,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774100547] [2020-08-22 16:54:22,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:22,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:22,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:22,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 16:54:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:22,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-22 16:54:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:23,170 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 160 proven. 232 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-22 16:54:23,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774100547] [2020-08-22 16:54:23,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97259079] [2020-08-22 16:54:23,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:23,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:54:23,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2020-08-22 16:54:23,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:54:23,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-08-22 16:54:23,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291913531] [2020-08-22 16:54:23,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:54:23,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:23,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:54:23,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:54:23,387 INFO L87 Difference]: Start difference. First operand 2784 states and 3534 transitions. Second operand 3 states. [2020-08-22 16:54:24,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:24,386 INFO L93 Difference]: Finished difference Result 5752 states and 7553 transitions. [2020-08-22 16:54:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:54:24,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 350 [2020-08-22 16:54:24,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:24,413 INFO L225 Difference]: With dead ends: 5752 [2020-08-22 16:54:24,414 INFO L226 Difference]: Without dead ends: 3338 [2020-08-22 16:54:24,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:54:24,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3338 states. [2020-08-22 16:54:24,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3338 to 3156. [2020-08-22 16:54:24,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3156 states. [2020-08-22 16:54:24,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 4131 transitions. [2020-08-22 16:54:24,545 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 4131 transitions. Word has length 350 [2020-08-22 16:54:24,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:24,546 INFO L479 AbstractCegarLoop]: Abstraction has 3156 states and 4131 transitions. [2020-08-22 16:54:24,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:54:24,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 4131 transitions. [2020-08-22 16:54:24,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2020-08-22 16:54:24,558 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:24,559 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:54:24,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:24,772 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:24,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:24,773 INFO L82 PathProgramCache]: Analyzing trace with hash -954117331, now seen corresponding path program 1 times [2020-08-22 16:54:24,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:24,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237526982] [2020-08-22 16:54:24,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:24,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:24,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:24,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 16:54:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:25,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-22 16:54:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:25,558 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 160 proven. 239 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-22 16:54:25,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237526982] [2020-08-22 16:54:25,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297672176] [2020-08-22 16:54:25,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:25,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:54:25,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-08-22 16:54:25,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:54:25,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-08-22 16:54:25,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882245623] [2020-08-22 16:54:25,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:54:25,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:25,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:54:25,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:54:25,809 INFO L87 Difference]: Start difference. First operand 3156 states and 4131 transitions. Second operand 3 states. [2020-08-22 16:54:26,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:26,856 INFO L93 Difference]: Finished difference Result 4446 states and 5796 transitions. [2020-08-22 16:54:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:54:26,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 364 [2020-08-22 16:54:26,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:26,887 INFO L225 Difference]: With dead ends: 4446 [2020-08-22 16:54:26,888 INFO L226 Difference]: Without dead ends: 4444 [2020-08-22 16:54:26,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:54:26,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4444 states. [2020-08-22 16:54:27,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4444 to 3166. [2020-08-22 16:54:27,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3166 states. [2020-08-22 16:54:27,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 3166 states and 4151 transitions. [2020-08-22 16:54:27,033 INFO L78 Accepts]: Start accepts. Automaton has 3166 states and 4151 transitions. Word has length 364 [2020-08-22 16:54:27,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:27,034 INFO L479 AbstractCegarLoop]: Abstraction has 3166 states and 4151 transitions. [2020-08-22 16:54:27,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:54:27,034 INFO L276 IsEmpty]: Start isEmpty. Operand 3166 states and 4151 transitions. [2020-08-22 16:54:27,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2020-08-22 16:54:27,056 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:27,057 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:54:27,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:27,272 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:27,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:27,273 INFO L82 PathProgramCache]: Analyzing trace with hash -750146287, now seen corresponding path program 1 times [2020-08-22 16:54:27,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:27,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24811285] [2020-08-22 16:54:27,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:27,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:27,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:27,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 16:54:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:27,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-22 16:54:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:28,217 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 160 proven. 239 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-22 16:54:28,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24811285] [2020-08-22 16:54:28,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427130399] [2020-08-22 16:54:28,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:28,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:54:28,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:28,595 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-08-22 16:54:28,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:54:28,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-08-22 16:54:28,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230272357] [2020-08-22 16:54:28,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:54:28,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:28,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:54:28,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:54:28,598 INFO L87 Difference]: Start difference. First operand 3166 states and 4151 transitions. Second operand 3 states. [2020-08-22 16:54:29,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:29,415 INFO L93 Difference]: Finished difference Result 6876 states and 9077 transitions. [2020-08-22 16:54:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:54:29,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 398 [2020-08-22 16:54:29,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:29,418 INFO L225 Difference]: With dead ends: 6876 [2020-08-22 16:54:29,418 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:54:29,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:54:29,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:54:29,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:54:29,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:54:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:54:29,431 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 398 [2020-08-22 16:54:29,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:29,432 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:54:29,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:54:29,432 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:54:29,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:54:29,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-08-22 16:54:29,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:54:30,490 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 30 [2020-08-22 16:54:30,628 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:54:30,628 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-08-22 16:54:30,629 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:54:30,629 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-08-22 16:54:30,629 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-08-22 16:54:30,629 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,629 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,629 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,630 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-08-22 16:54:30,630 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-22 16:54:30,630 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-22 16:54:30,630 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-22 16:54:30,630 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-08-22 16:54:30,630 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-08-22 16:54:30,630 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-08-22 16:54:30,630 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-08-22 16:54:30,630 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,630 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,631 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,631 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-08-22 16:54:30,631 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-08-22 16:54:30,631 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-22 16:54:30,631 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-22 16:54:30,631 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-22 16:54:30,631 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-08-22 16:54:30,631 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-08-22 16:54:30,631 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-08-22 16:54:30,631 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,631 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,631 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,632 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-08-22 16:54:30,632 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-22 16:54:30,632 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-22 16:54:30,632 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-22 16:54:30,632 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-08-22 16:54:30,632 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-08-22 16:54:30,632 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-08-22 16:54:30,632 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-08-22 16:54:30,632 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-08-22 16:54:30,633 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,633 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,633 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,633 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-08-22 16:54:30,633 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-22 16:54:30,633 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-22 16:54:30,633 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-22 16:54:30,633 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-08-22 16:54:30,634 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-08-22 16:54:30,634 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-08-22 16:54:30,634 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,634 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,634 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,634 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-08-22 16:54:30,634 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-22 16:54:30,634 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-22 16:54:30,634 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-22 16:54:30,635 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-08-22 16:54:30,635 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-08-22 16:54:30,635 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-08-22 16:54:30,635 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-08-22 16:54:30,635 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-08-22 16:54:30,635 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,635 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,635 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,636 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,636 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-08-22 16:54:30,636 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-22 16:54:30,636 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-22 16:54:30,636 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-22 16:54:30,636 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-08-22 16:54:30,636 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-08-22 16:54:30,636 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-08-22 16:54:30,637 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-08-22 16:54:30,637 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,637 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,637 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,637 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-22 16:54:30,637 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-22 16:54:30,637 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-22 16:54:30,637 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-08-22 16:54:30,638 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-08-22 16:54:30,638 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-08-22 16:54:30,638 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-08-22 16:54:30,638 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-08-22 16:54:30,638 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,638 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,638 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,638 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-08-22 16:54:30,638 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-08-22 16:54:30,639 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-22 16:54:30,639 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-22 16:54:30,639 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-22 16:54:30,639 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-08-22 16:54:30,639 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or .cse0 (not (<= |old(~a21~0)| 6))) (or (not (<= 8 |old(~a21~0)|)) .cse0) (or .cse0 (not (<= 7 |old(~a15~0)|))) (or .cse0 (not (<= |old(~a15~0)| 5))))) [2020-08-22 16:54:30,639 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-08-22 16:54:30,639 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-08-22 16:54:30,640 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,640 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,640 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,640 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-22 16:54:30,640 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-22 16:54:30,640 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-22 16:54:30,640 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-08-22 16:54:30,640 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-08-22 16:54:30,641 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-08-22 16:54:30,641 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-08-22 16:54:30,641 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-08-22 16:54:30,641 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,641 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,641 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,641 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-08-22 16:54:30,641 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-08-22 16:54:30,641 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-22 16:54:30,642 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-22 16:54:30,642 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-22 16:54:30,642 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-08-22 16:54:30,642 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-08-22 16:54:30,642 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-08-22 16:54:30,642 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,642 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,642 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,642 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-08-22 16:54:30,643 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-22 16:54:30,643 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-22 16:54:30,643 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-22 16:54:30,643 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-08-22 16:54:30,643 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-08-22 16:54:30,643 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-08-22 16:54:30,643 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-08-22 16:54:30,643 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,644 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,644 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,644 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-08-22 16:54:30,644 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-22 16:54:30,644 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-22 16:54:30,644 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-22 16:54:30,644 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-08-22 16:54:30,644 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-08-22 16:54:30,644 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-08-22 16:54:30,645 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-08-22 16:54:30,645 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,645 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,645 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-08-22 16:54:30,645 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-22 16:54:30,645 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-22 16:54:30,645 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-08-22 16:54:30,645 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-08-22 16:54:30,646 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-08-22 16:54:30,646 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-08-22 16:54:30,646 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-08-22 16:54:30,646 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2020-08-22 16:54:30,646 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,646 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,646 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-08-22 16:54:30,646 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-22 16:54:30,647 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-22 16:54:30,647 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-08-22 16:54:30,647 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-08-22 16:54:30,647 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-08-22 16:54:30,647 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,647 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,647 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-08-22 16:54:30,647 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-08-22 16:54:30,647 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-22 16:54:30,648 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-22 16:54:30,648 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-08-22 16:54:30,648 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-08-22 16:54:30,648 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-08-22 16:54:30,648 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-08-22 16:54:30,648 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,648 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,648 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-08-22 16:54:30,648 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-08-22 16:54:30,649 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-22 16:54:30,649 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 16:54:30,649 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-08-22 16:54:30,649 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-08-22 16:54:30,649 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-08-22 16:54:30,649 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,649 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,649 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,649 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-08-22 16:54:30,650 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-08-22 16:54:30,650 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-22 16:54:30,650 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-22 16:54:30,650 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-08-22 16:54:30,650 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-08-22 16:54:30,650 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,650 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,650 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-22 16:54:30,651 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,651 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-08-22 16:54:30,651 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-08-22 16:54:30,651 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-08-22 16:54:30,651 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-22 16:54:30,651 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-22 16:54:30,651 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-22 16:54:30,651 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-08-22 16:54:30,652 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-08-22 16:54:30,652 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-08-22 16:54:30,652 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-08-22 16:54:30,652 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,652 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,652 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,652 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-08-22 16:54:30,652 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-22 16:54:30,652 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-22 16:54:30,653 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-22 16:54:30,653 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-08-22 16:54:30,653 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-08-22 16:54:30,653 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-08-22 16:54:30,653 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-08-22 16:54:30,653 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,653 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,653 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,654 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-08-22 16:54:30,654 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-08-22 16:54:30,654 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-22 16:54:30,654 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-22 16:54:30,654 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-22 16:54:30,654 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-08-22 16:54:30,654 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-08-22 16:54:30,654 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-08-22 16:54:30,654 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,655 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,655 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,655 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-08-22 16:54:30,655 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-22 16:54:30,655 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-22 16:54:30,655 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-22 16:54:30,655 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-08-22 16:54:30,655 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-08-22 16:54:30,655 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-08-22 16:54:30,656 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-08-22 16:54:30,656 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-08-22 16:54:30,656 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,656 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,656 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:54:30,656 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-08-22 16:54:30,656 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-22 16:54:30,656 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-22 16:54:30,656 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-22 16:54:30,657 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-08-22 16:54:30,657 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:54:30,657 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 7 ~a21~0) (<= 8 ~a15~0) (<= (+ ~a12~0 49) 0) (<= ~a15~0 8)) [2020-08-22 16:54:30,657 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:54:30,657 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:54:30,657 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= 8 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (and (<= 8 ~a15~0) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (<= ~a15~0 |old(~a15~0)|)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-08-22 16:54:30,658 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-08-22 16:54:30,658 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (<= ~a15~0 5) (<= 8 ~a21~0) (<= 7 ~a15~0) (not (<= 8 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (<= ~a21~0 6) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-08-22 16:54:30,658 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-08-22 16:54:30,658 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-08-22 16:54:30,658 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (<= ~a15~0 5) (<= 8 ~a21~0) (<= 7 ~a15~0) (not (<= 8 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (<= ~a21~0 6) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-08-22 16:54:30,658 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-08-22 16:54:30,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:54:30 BoogieIcfgContainer [2020-08-22 16:54:30,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:54:30,680 INFO L168 Benchmark]: Toolchain (without parser) took 27225.37 ms. Allocated memory was 146.8 MB in the beginning and 630.2 MB in the end (delta: 483.4 MB). Free memory was 100.6 MB in the beginning and 101.9 MB in the end (delta: -1.3 MB). Peak memory consumption was 482.1 MB. Max. memory is 7.1 GB. [2020-08-22 16:54:30,680 INFO L168 Benchmark]: CDTParser took 1.32 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 16:54:30,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.19 ms. Allocated memory was 146.8 MB in the beginning and 206.0 MB in the end (delta: 59.2 MB). Free memory was 100.4 MB in the beginning and 168.6 MB in the end (delta: -68.2 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. [2020-08-22 16:54:30,682 INFO L168 Benchmark]: Boogie Preprocessor took 148.71 ms. Allocated memory is still 206.0 MB. Free memory was 168.6 MB in the beginning and 162.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2020-08-22 16:54:30,683 INFO L168 Benchmark]: RCFGBuilder took 1581.56 ms. Allocated memory was 206.0 MB in the beginning and 239.1 MB in the end (delta: 33.0 MB). Free memory was 162.9 MB in the beginning and 155.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2020-08-22 16:54:30,684 INFO L168 Benchmark]: TraceAbstraction took 24659.80 ms. Allocated memory was 239.1 MB in the beginning and 630.2 MB in the end (delta: 391.1 MB). Free memory was 155.2 MB in the beginning and 101.9 MB in the end (delta: 53.3 MB). Peak memory consumption was 444.4 MB. Max. memory is 7.1 GB. [2020-08-22 16:54:30,687 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 830.19 ms. Allocated memory was 146.8 MB in the beginning and 206.0 MB in the end (delta: 59.2 MB). Free memory was 100.4 MB in the beginning and 168.6 MB in the end (delta: -68.2 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.71 ms. Allocated memory is still 206.0 MB. Free memory was 168.6 MB in the beginning and 162.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1581.56 ms. Allocated memory was 206.0 MB in the beginning and 239.1 MB in the end (delta: 33.0 MB). Free memory was 162.9 MB in the beginning and 155.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24659.80 ms. Allocated memory was 239.1 MB in the beginning and 630.2 MB in the end (delta: 391.1 MB). Free memory was 155.2 MB in the beginning and 101.9 MB in the end (delta: 53.3 MB). Peak memory consumption was 444.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: 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: ((((((a15 <= 5 || 8 <= a21) || 7 <= a15) || !(8 <= \old(a15))) || !(\old(a15) <= 8)) || !(7 <= \old(a21))) || a21 <= 6) || !(\old(a12) + 49 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.5s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 14.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1607 SDtfs, 3008 SDslu, 200 SDs, 0 SdLazy, 6919 SolverSat, 1347 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2357 GetRequests, 2283 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3166occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 2774 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 92 PreInvPairs, 136 NumberOfFragments, 217 HoareAnnotationTreeSize, 92 FomulaSimplifications, 11701 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2897 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 4663 NumberOfCodeBlocks, 4663 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4645 ConstructedInterpolants, 0 QuantifiedInterpolants, 4729399 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3818 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 3271/4266 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...