/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_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:39:30,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:39:30,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:39:30,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:39:30,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:39:30,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:39:30,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:39:30,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:39:30,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:39:30,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:39:30,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:39:30,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:39:30,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:39:30,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:39:30,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:39:30,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:39:30,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:39:30,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:39:30,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:39:30,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:39:30,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:39:30,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:39:30,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:39:30,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:39:30,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:39:30,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:39:30,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:39:30,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:39:30,715 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 13:39:30,743 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:39:30,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:39:30,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:39:30,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:39:30,745 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:39:30,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:39:30,746 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:39:30,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:39:30,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:39:30,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:39:30,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:39:30,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:39:30,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:39:30,747 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:39:30,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:39:30,747 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:39:30,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:39:30,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:39:30,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:39:30,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:39:30,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:39:30,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:39:30,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:39:30,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:39:30,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:39:30,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:39:30,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:39:30,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:39:30,750 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:39:30,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:39:31,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:39:31,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:39:31,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:39:31,269 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:39:31,269 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:39:31,270 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-09-04 13:39:31,351 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3bc651580/0ddc849774634fcfaea9e44c2016faf2/FLAG1b0c3b9c4 [2020-09-04 13:39:32,044 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:39:32,049 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-09-04 13:39:32,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3bc651580/0ddc849774634fcfaea9e44c2016faf2/FLAG1b0c3b9c4 [2020-09-04 13:39:32,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3bc651580/0ddc849774634fcfaea9e44c2016faf2 [2020-09-04 13:39:32,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:39:32,294 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:39:32,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:39:32,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:39:32,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:39:32,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:39:32" (1/1) ... [2020-09-04 13:39:32,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f67d99e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:32, skipping insertion in model container [2020-09-04 13:39:32,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:39:32" (1/1) ... [2020-09-04 13:39:32,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:39:32,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:39:33,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:39:33,042 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:39:33,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:39:33,366 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:39:33,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:33 WrapperNode [2020-09-04 13:39:33,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:39:33,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:39:33,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:39:33,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:39:33,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:33" (1/1) ... [2020-09-04 13:39:33,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:33" (1/1) ... [2020-09-04 13:39:33,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:33" (1/1) ... [2020-09-04 13:39:33,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:33" (1/1) ... [2020-09-04 13:39:33,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:33" (1/1) ... [2020-09-04 13:39:33,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:33" (1/1) ... [2020-09-04 13:39:33,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:33" (1/1) ... [2020-09-04 13:39:33,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:39:33,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:39:33,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:39:33,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:39:33,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:39:33,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:39:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:39:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 13:39:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:39:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 13:39:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:39:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:39:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 13:39:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:39:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:39:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:39:35,232 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:39:35,233 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:39:35,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:39:35 BoogieIcfgContainer [2020-09-04 13:39:35,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:39:35,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:39:35,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:39:35,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:39:35,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:39:32" (1/3) ... [2020-09-04 13:39:35,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9c1bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:39:35, skipping insertion in model container [2020-09-04 13:39:35,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:33" (2/3) ... [2020-09-04 13:39:35,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9c1bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:39:35, skipping insertion in model container [2020-09-04 13:39:35,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:39:35" (3/3) ... [2020-09-04 13:39:35,250 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label21.c [2020-09-04 13:39:35,262 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:39:35,272 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:39:35,294 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:39:35,328 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:39:35,328 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:39:35,328 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:39:35,328 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:39:35,328 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:39:35,329 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:39:35,329 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:39:35,329 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:39:35,356 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-09-04 13:39:35,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-04 13:39:35,366 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:35,367 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] [2020-09-04 13:39:35,368 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:35,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:35,375 INFO L82 PathProgramCache]: Analyzing trace with hash -736368013, now seen corresponding path program 1 times [2020-09-04 13:39:35,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:35,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673330327] [2020-09-04 13:39:35,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:35,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:35,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:39:35,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673330327] [2020-09-04 13:39:35,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:39:35,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 13:39:35,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835960187] [2020-09-04 13:39:35,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:39:35,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:35,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:39:35,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:39:35,807 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-09-04 13:39:38,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:38,859 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2020-09-04 13:39:38,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 13:39:38,862 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-09-04 13:39:38,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:38,899 INFO L225 Difference]: With dead ends: 886 [2020-09-04 13:39:38,900 INFO L226 Difference]: Without dead ends: 564 [2020-09-04 13:39:38,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:39:38,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-09-04 13:39:39,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-09-04 13:39:39,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-09-04 13:39:39,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2020-09-04 13:39:39,026 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 40 [2020-09-04 13:39:39,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:39,026 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2020-09-04 13:39:39,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:39:39,027 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2020-09-04 13:39:39,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-09-04 13:39:39,033 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:39,034 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:39:39,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:39:39,034 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:39,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:39,035 INFO L82 PathProgramCache]: Analyzing trace with hash 769181710, now seen corresponding path program 1 times [2020-09-04 13:39:39,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:39,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880920356] [2020-09-04 13:39:39,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:39,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:39,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:39,366 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:39:39,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880920356] [2020-09-04 13:39:39,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:39:39,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:39:39,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616102368] [2020-09-04 13:39:39,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:39:39,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:39,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:39:39,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:39:39,371 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand 8 states. [2020-09-04 13:39:41,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:41,768 INFO L93 Difference]: Finished difference Result 1320 states and 2174 transitions. [2020-09-04 13:39:41,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 13:39:41,769 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 114 [2020-09-04 13:39:41,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:41,777 INFO L225 Difference]: With dead ends: 1320 [2020-09-04 13:39:41,777 INFO L226 Difference]: Without dead ends: 768 [2020-09-04 13:39:41,780 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-04 13:39:41,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-09-04 13:39:41,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 566. [2020-09-04 13:39:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-09-04 13:39:41,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 819 transitions. [2020-09-04 13:39:41,816 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 819 transitions. Word has length 114 [2020-09-04 13:39:41,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:41,817 INFO L479 AbstractCegarLoop]: Abstraction has 566 states and 819 transitions. [2020-09-04 13:39:41,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:39:41,817 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 819 transitions. [2020-09-04 13:39:41,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-09-04 13:39:41,820 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:41,820 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:39:41,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 13:39:41,821 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:41,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:41,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1466730177, now seen corresponding path program 1 times [2020-09-04 13:39:41,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:41,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171358871] [2020-09-04 13:39:41,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:41,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:42,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:42,197 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:39:42,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171358871] [2020-09-04 13:39:42,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:39:42,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:39:42,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98294087] [2020-09-04 13:39:42,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:39:42,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:42,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:39:42,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:39:42,208 INFO L87 Difference]: Start difference. First operand 566 states and 819 transitions. Second operand 8 states. [2020-09-04 13:39:44,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:44,349 INFO L93 Difference]: Finished difference Result 1330 states and 1917 transitions. [2020-09-04 13:39:44,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-04 13:39:44,350 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-09-04 13:39:44,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:44,356 INFO L225 Difference]: With dead ends: 1330 [2020-09-04 13:39:44,356 INFO L226 Difference]: Without dead ends: 770 [2020-09-04 13:39:44,358 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 [2020-09-04 13:39:44,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2020-09-04 13:39:44,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 754. [2020-09-04 13:39:44,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-09-04 13:39:44,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1023 transitions. [2020-09-04 13:39:44,391 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1023 transitions. Word has length 123 [2020-09-04 13:39:44,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:44,392 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 1023 transitions. [2020-09-04 13:39:44,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:39:44,392 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1023 transitions. [2020-09-04 13:39:44,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-04 13:39:44,397 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:44,398 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:39:44,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 13:39:44,398 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:44,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:44,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1580065926, now seen corresponding path program 1 times [2020-09-04 13:39:44,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:44,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961809014] [2020-09-04 13:39:44,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:44,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:44,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:44,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-04 13:39:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:44,747 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-09-04 13:39:44,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961809014] [2020-09-04 13:39:44,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051599024] [2020-09-04 13:39:44,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:44,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:39:44,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:39:45,032 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-09-04 13:39:45,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:39:45,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2020-09-04 13:39:45,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511138332] [2020-09-04 13:39:45,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:39:45,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:45,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:39:45,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:39:45,035 INFO L87 Difference]: Start difference. First operand 754 states and 1023 transitions. Second operand 3 states. [2020-09-04 13:39:46,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:46,130 INFO L93 Difference]: Finished difference Result 2236 states and 3079 transitions. [2020-09-04 13:39:46,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:39:46,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-09-04 13:39:46,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:46,140 INFO L225 Difference]: With dead ends: 2236 [2020-09-04 13:39:46,140 INFO L226 Difference]: Without dead ends: 1488 [2020-09-04 13:39:46,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:39:46,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1488 states. [2020-09-04 13:39:46,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1488 to 1304. [2020-09-04 13:39:46,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2020-09-04 13:39:46,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 1677 transitions. [2020-09-04 13:39:46,200 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 1677 transitions. Word has length 207 [2020-09-04 13:39:46,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:46,202 INFO L479 AbstractCegarLoop]: Abstraction has 1304 states and 1677 transitions. [2020-09-04 13:39:46,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:39:46,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1677 transitions. [2020-09-04 13:39:46,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-09-04 13:39:46,211 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:46,212 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:39:46,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:46,427 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:46,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:46,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1269433756, now seen corresponding path program 1 times [2020-09-04 13:39:46,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:46,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848832641] [2020-09-04 13:39:46,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:46,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:46,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:46,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-04 13:39:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:46,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-04 13:39:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:47,306 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 133 proven. 191 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-04 13:39:47,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848832641] [2020-09-04 13:39:47,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109172045] [2020-09-04 13:39:47,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:47,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:39:47,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:39:47,598 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2020-09-04 13:39:47,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:39:47,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-09-04 13:39:47,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101463448] [2020-09-04 13:39:47,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:39:47,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:47,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:39:47,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:39:47,601 INFO L87 Difference]: Start difference. First operand 1304 states and 1677 transitions. Second operand 3 states. [2020-09-04 13:39:48,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:48,594 INFO L93 Difference]: Finished difference Result 3154 states and 4201 transitions. [2020-09-04 13:39:48,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:39:48,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 310 [2020-09-04 13:39:48,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:48,610 INFO L225 Difference]: With dead ends: 3154 [2020-09-04 13:39:48,611 INFO L226 Difference]: Without dead ends: 1856 [2020-09-04 13:39:48,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:39:48,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1856 states. [2020-09-04 13:39:48,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1856 to 1672. [2020-09-04 13:39:48,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2020-09-04 13:39:48,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2150 transitions. [2020-09-04 13:39:48,669 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2150 transitions. Word has length 310 [2020-09-04 13:39:48,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:48,670 INFO L479 AbstractCegarLoop]: Abstraction has 1672 states and 2150 transitions. [2020-09-04 13:39:48,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:39:48,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2150 transitions. [2020-09-04 13:39:48,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-09-04 13:39:48,683 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:48,683 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-04 13:39:48,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:48,898 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:48,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:48,899 INFO L82 PathProgramCache]: Analyzing trace with hash 426433144, now seen corresponding path program 1 times [2020-09-04 13:39:48,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:48,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744810122] [2020-09-04 13:39:48,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:49,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:49,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:49,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-04 13:39:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:49,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-04 13:39:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:49,861 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 133 proven. 203 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-04 13:39:49,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744810122] [2020-09-04 13:39:49,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772086705] [2020-09-04 13:39:49,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:49,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:39:49,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:39:50,177 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2020-09-04 13:39:50,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:39:50,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-09-04 13:39:50,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105016022] [2020-09-04 13:39:50,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:39:50,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:50,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:39:50,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:39:50,181 INFO L87 Difference]: Start difference. First operand 1672 states and 2150 transitions. Second operand 3 states. [2020-09-04 13:39:51,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:51,270 INFO L93 Difference]: Finished difference Result 4074 states and 5358 transitions. [2020-09-04 13:39:51,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:39:51,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 316 [2020-09-04 13:39:51,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:51,291 INFO L225 Difference]: With dead ends: 4074 [2020-09-04 13:39:51,292 INFO L226 Difference]: Without dead ends: 2408 [2020-09-04 13:39:51,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:39:51,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2408 states. [2020-09-04 13:39:51,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2408 to 2224. [2020-09-04 13:39:51,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2224 states. [2020-09-04 13:39:51,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 2224 states and 2872 transitions. [2020-09-04 13:39:51,359 INFO L78 Accepts]: Start accepts. Automaton has 2224 states and 2872 transitions. Word has length 316 [2020-09-04 13:39:51,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:51,360 INFO L479 AbstractCegarLoop]: Abstraction has 2224 states and 2872 transitions. [2020-09-04 13:39:51,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:39:51,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 2872 transitions. [2020-09-04 13:39:51,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-09-04 13:39:51,368 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:51,368 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:39:51,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:51,585 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:51,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:51,585 INFO L82 PathProgramCache]: Analyzing trace with hash -273767176, now seen corresponding path program 1 times [2020-09-04 13:39:51,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:51,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552737001] [2020-09-04 13:39:51,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:51,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:51,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:51,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-04 13:39:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:52,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 13:39:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:52,805 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 133 proven. 221 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-04 13:39:52,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552737001] [2020-09-04 13:39:52,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407592230] [2020-09-04 13:39:52,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:52,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:39:52,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:39:53,098 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-09-04 13:39:53,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:39:53,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-09-04 13:39:53,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239524370] [2020-09-04 13:39:53,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:39:53,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:53,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:39:53,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:39:53,101 INFO L87 Difference]: Start difference. First operand 2224 states and 2872 transitions. Second operand 3 states. [2020-09-04 13:39:54,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:54,280 INFO L93 Difference]: Finished difference Result 5186 states and 6946 transitions. [2020-09-04 13:39:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:39:54,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 348 [2020-09-04 13:39:54,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:54,281 INFO L225 Difference]: With dead ends: 5186 [2020-09-04 13:39:54,282 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:39:54,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 352 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:39:54,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:39:54,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:39:54,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:39:54,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:39:54,293 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 348 [2020-09-04 13:39:54,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:54,293 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:39:54,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:39:54,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:39:54,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:39:54,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:54,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:39:55,575 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 30 [2020-09-04 13:39:55,718 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2020-09-04 13:39:55,835 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2020-09-04 13:39:55,840 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:39:55,841 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)|)) [2020-09-04 13:39:55,841 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:39:55,841 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-09-04 13:39:55,841 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-09-04 13:39:55,842 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,842 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,842 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,842 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-09-04 13:39:55,842 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-04 13:39:55,843 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-04 13:39:55,843 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-04 13:39:55,843 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-09-04 13:39:55,843 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-09-04 13:39:55,843 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-09-04 13:39:55,843 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-09-04 13:39:55,843 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,844 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,844 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,844 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-09-04 13:39:55,844 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-09-04 13:39:55,844 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-04 13:39:55,844 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-04 13:39:55,844 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-04 13:39:55,845 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-09-04 13:39:55,845 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-09-04 13:39:55,845 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-09-04 13:39:55,845 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,845 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,845 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,846 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-09-04 13:39:55,846 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-04 13:39:55,846 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-04 13:39:55,846 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-04 13:39:55,846 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-09-04 13:39:55,846 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-09-04 13:39:55,846 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-09-04 13:39:55,847 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-09-04 13:39:55,847 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-09-04 13:39:55,847 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,847 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,847 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,847 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-09-04 13:39:55,847 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-04 13:39:55,848 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-04 13:39:55,848 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-04 13:39:55,848 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-09-04 13:39:55,848 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-09-04 13:39:55,848 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-09-04 13:39:55,848 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,848 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,849 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,849 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-09-04 13:39:55,849 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-04 13:39:55,849 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-04 13:39:55,849 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-04 13:39:55,849 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-09-04 13:39:55,850 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-09-04 13:39:55,850 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-09-04 13:39:55,850 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-09-04 13:39:55,850 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-09-04 13:39:55,850 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,850 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,850 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,850 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,851 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-09-04 13:39:55,851 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-04 13:39:55,851 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-04 13:39:55,851 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-04 13:39:55,851 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-09-04 13:39:55,851 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-09-04 13:39:55,851 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-09-04 13:39:55,852 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-09-04 13:39:55,852 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,852 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,852 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,852 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-04 13:39:55,852 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-04 13:39:55,852 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-04 13:39:55,853 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-09-04 13:39:55,853 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-09-04 13:39:55,853 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-09-04 13:39:55,853 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-09-04 13:39:55,853 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-09-04 13:39:55,853 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,854 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,854 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,854 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-09-04 13:39:55,854 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-09-04 13:39:55,854 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-04 13:39:55,854 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-04 13:39:55,854 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-04 13:39:55,854 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-09-04 13:39:55,855 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 (<= 9 |old(~a21~0)|))) (or .cse0 (not (<= |old(~a21~0)| 6))) (or .cse0 (= 6 |old(~a15~0)|)) (or .cse0 (not (< 11 |old(~a12~0)|))))) [2020-09-04 13:39:55,855 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-09-04 13:39:55,855 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-09-04 13:39:55,855 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,855 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,856 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,856 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-04 13:39:55,856 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-04 13:39:55,856 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-04 13:39:55,856 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-09-04 13:39:55,856 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-09-04 13:39:55,856 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-09-04 13:39:55,857 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-09-04 13:39:55,857 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-09-04 13:39:55,857 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,857 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,857 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,857 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-09-04 13:39:55,857 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-09-04 13:39:55,858 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-04 13:39:55,858 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-04 13:39:55,858 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-04 13:39:55,858 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-09-04 13:39:55,858 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-09-04 13:39:55,858 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-09-04 13:39:55,858 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,859 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,859 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,859 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-09-04 13:39:55,859 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-04 13:39:55,859 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-04 13:39:55,859 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-04 13:39:55,859 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-09-04 13:39:55,860 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-09-04 13:39:55,860 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-09-04 13:39:55,860 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-09-04 13:39:55,860 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,860 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,860 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,860 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-09-04 13:39:55,861 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-04 13:39:55,861 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-04 13:39:55,861 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-04 13:39:55,861 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-09-04 13:39:55,861 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-09-04 13:39:55,861 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-09-04 13:39:55,861 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-09-04 13:39:55,862 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,862 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,862 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-09-04 13:39:55,862 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-04 13:39:55,862 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-04 13:39:55,862 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-09-04 13:39:55,863 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-09-04 13:39:55,863 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-09-04 13:39:55,863 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-09-04 13:39:55,863 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-09-04 13:39:55,863 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2020-09-04 13:39:55,863 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,863 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,864 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-09-04 13:39:55,864 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-04 13:39:55,864 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-04 13:39:55,864 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-09-04 13:39:55,864 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-09-04 13:39:55,864 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-09-04 13:39:55,864 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,865 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,865 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-09-04 13:39:55,865 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-09-04 13:39:55,865 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-04 13:39:55,865 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-04 13:39:55,865 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-09-04 13:39:55,865 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-09-04 13:39:55,866 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-09-04 13:39:55,866 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-09-04 13:39:55,866 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,866 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,866 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-09-04 13:39:55,866 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-09-04 13:39:55,866 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-04 13:39:55,867 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-04 13:39:55,867 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-09-04 13:39:55,867 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-09-04 13:39:55,867 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-09-04 13:39:55,867 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,867 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,867 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,867 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-09-04 13:39:55,868 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-09-04 13:39:55,868 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-04 13:39:55,868 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-04 13:39:55,868 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-09-04 13:39:55,868 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-09-04 13:39:55,868 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,869 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,869 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-04 13:39:55,869 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,869 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-09-04 13:39:55,869 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-09-04 13:39:55,869 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-09-04 13:39:55,869 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-04 13:39:55,870 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-04 13:39:55,870 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-04 13:39:55,870 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-09-04 13:39:55,870 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-09-04 13:39:55,870 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-09-04 13:39:55,870 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-09-04 13:39:55,871 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,871 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,871 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,871 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-09-04 13:39:55,871 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-04 13:39:55,871 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-04 13:39:55,871 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-04 13:39:55,871 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-09-04 13:39:55,872 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-09-04 13:39:55,872 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-09-04 13:39:55,872 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-09-04 13:39:55,872 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,872 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,872 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,872 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-09-04 13:39:55,873 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-09-04 13:39:55,873 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-04 13:39:55,873 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-04 13:39:55,873 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-04 13:39:55,873 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-09-04 13:39:55,873 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-09-04 13:39:55,873 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-09-04 13:39:55,874 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,876 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,876 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,876 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-09-04 13:39:55,876 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-04 13:39:55,876 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-04 13:39:55,876 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-04 13:39:55,877 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-09-04 13:39:55,877 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-09-04 13:39:55,877 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-09-04 13:39:55,877 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-09-04 13:39:55,877 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-09-04 13:39:55,877 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,877 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,878 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-09-04 13:39:55,878 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-09-04 13:39:55,878 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-04 13:39:55,878 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-04 13:39:55,878 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-04 13:39:55,878 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-09-04 13:39:55,878 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:39:55,879 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)) [2020-09-04 13:39:55,879 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:39:55,879 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:39:55,879 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)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= 8 ~a15~0) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (<= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-09-04 13:39:55,879 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-09-04 13:39:55,879 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (<= 9 ~a21~0) (not (<= 8 |old(~a15~0)|)) (< 11 ~a12~0) (not (= ~a15~0 6)) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (<= ~a21~0 6) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-09-04 13:39:55,879 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-09-04 13:39:55,880 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-09-04 13:39:55,880 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (<= 9 ~a21~0) (not (<= 8 |old(~a15~0)|)) (< 11 ~a12~0) (not (= ~a15~0 6)) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (<= ~a21~0 6) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-09-04 13:39:55,880 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-09-04 13:39:55,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:39:55 BoogieIcfgContainer [2020-09-04 13:39:55,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:39:55,907 INFO L168 Benchmark]: Toolchain (without parser) took 23613.66 ms. Allocated memory was 139.5 MB in the beginning and 558.9 MB in the end (delta: 419.4 MB). Free memory was 101.0 MB in the beginning and 204.4 MB in the end (delta: -103.4 MB). Peak memory consumption was 316.0 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:55,908 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 13:39:55,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1073.60 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 100.6 MB in the beginning and 168.2 MB in the end (delta: -67.6 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:55,910 INFO L168 Benchmark]: Boogie Preprocessor took 149.94 ms. Allocated memory is still 205.5 MB. Free memory was 168.2 MB in the beginning and 162.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:55,911 INFO L168 Benchmark]: RCFGBuilder took 1720.75 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 162.5 MB in the beginning and 157.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:55,912 INFO L168 Benchmark]: TraceAbstraction took 20663.18 ms. Allocated memory was 238.6 MB in the beginning and 558.9 MB in the end (delta: 320.3 MB). Free memory was 157.3 MB in the beginning and 204.4 MB in the end (delta: -47.1 MB). Peak memory consumption was 273.2 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:55,916 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1073.60 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 100.6 MB in the beginning and 168.2 MB in the end (delta: -67.6 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 149.94 ms. Allocated memory is still 205.5 MB. Free memory was 168.2 MB in the beginning and 162.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1720.75 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 162.5 MB in the beginning and 157.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20663.18 ms. Allocated memory was 238.6 MB in the beginning and 558.9 MB in the end (delta: 320.3 MB). Free memory was 157.3 MB in the beginning and 204.4 MB in the end (delta: -47.1 MB). Peak memory consumption was 273.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: ((((((9 <= a21 || !(8 <= \old(a15))) || 11 < a12) || !(a15 == 6)) || !(\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: 19.1s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1243 SDtfs, 3271 SDslu, 168 SDs, 0 SdLazy, 5438 SolverSat, 1477 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1264 GetRequests, 1208 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2224occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 776 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 61 PreInvPairs, 97 NumberOfFragments, 218 HoareAnnotationTreeSize, 61 FomulaSimplifications, 6713 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1460 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 2639 NumberOfCodeBlocks, 2639 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2628 ConstructedInterpolants, 0 QuantifiedInterpolants, 3028153 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2022 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 1811/2434 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...