/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:49:21,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:49:21,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:49:21,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:49:21,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:49:21,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:49:21,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:49:21,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:49:21,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:49:21,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:49:21,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:49:21,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:49:21,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:49:21,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:49:21,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:49:21,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:49:21,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:49:21,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:49:21,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:49:21,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:49:21,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:49:21,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:49:21,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:49:21,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:49:21,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 16:49:21,600 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 16:49:21,635 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:49:21,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:49:21,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:49:21,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:49:21,637 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:49:21,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:49:21,638 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:49:21,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:49:21,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:49:21,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:49:21,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:49:21,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:49:21,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:49:21,640 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:49:21,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:49:21,640 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:49:21,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:49:21,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:49:21,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:49:21,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:49:21,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:49:21,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:49:21,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:49:21,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:49:21,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:49:21,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:49:21,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:49:21,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:49:21,643 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:49:21,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:49:21,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:49:21,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:49:21,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:49:21,966 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:49:21,967 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:49:21,967 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2020-08-22 16:49:22,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/189d60361/163d79f731694332885e1703aeebc671/FLAG6631d1ecb [2020-08-22 16:49:22,522 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:49:22,523 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2020-08-22 16:49:22,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/189d60361/163d79f731694332885e1703aeebc671/FLAG6631d1ecb [2020-08-22 16:49:22,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/189d60361/163d79f731694332885e1703aeebc671 [2020-08-22 16:49:22,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:49:22,854 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:49:22,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:49:22,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:49:22,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:49:22,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:49:22" (1/1) ... [2020-08-22 16:49:22,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb53380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:22, skipping insertion in model container [2020-08-22 16:49:22,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:49:22" (1/1) ... [2020-08-22 16:49:22,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:49:22,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:49:23,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:49:23,473 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:49:23,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:49:23,618 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:49:23,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:23 WrapperNode [2020-08-22 16:49:23,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:49:23,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:49:23,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:49:23,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:49:23,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:23" (1/1) ... [2020-08-22 16:49:23,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:23" (1/1) ... [2020-08-22 16:49:23,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:23" (1/1) ... [2020-08-22 16:49:23,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:23" (1/1) ... [2020-08-22 16:49:23,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:23" (1/1) ... [2020-08-22 16:49:23,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:23" (1/1) ... [2020-08-22 16:49:23,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:23" (1/1) ... [2020-08-22 16:49:23,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:49:23,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:49:23,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:49:23,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:49:23,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:49:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:49:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:49:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 16:49:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:49:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 16:49:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:49:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:49:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 16:49:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:49:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:49:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:49:24,854 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:49:24,854 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 16:49:24,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:49:24 BoogieIcfgContainer [2020-08-22 16:49:24,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:49:24,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:49:24,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:49:24,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:49:24,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:49:22" (1/3) ... [2020-08-22 16:49:24,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595254e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:49:24, skipping insertion in model container [2020-08-22 16:49:24,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:49:23" (2/3) ... [2020-08-22 16:49:24,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595254e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:49:24, skipping insertion in model container [2020-08-22 16:49:24,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:49:24" (3/3) ... [2020-08-22 16:49:24,868 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label17.c [2020-08-22 16:49:24,878 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:49:24,885 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:49:24,899 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:49:24,926 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:49:24,926 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:49:24,927 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:49:24,927 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:49:24,927 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:49:24,927 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:49:24,927 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:49:24,928 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:49:24,951 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-08-22 16:49:24,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-08-22 16:49:24,965 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:49:24,967 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:49:24,967 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:49:24,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:49:24,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1778503114, now seen corresponding path program 1 times [2020-08-22 16:49:24,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:49:24,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383760743] [2020-08-22 16:49:24,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:49:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:25,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:49:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:25,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:49:25,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383760743] [2020-08-22 16:49:25,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:49:25,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 16:49:25,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382304049] [2020-08-22 16:49:25,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:49:25,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:49:25,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:49:25,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:49:25,612 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-08-22 16:49:27,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:49:27,599 INFO L93 Difference]: Finished difference Result 723 states and 1255 transitions. [2020-08-22 16:49:27,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:49:27,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-08-22 16:49:27,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:49:27,621 INFO L225 Difference]: With dead ends: 723 [2020-08-22 16:49:27,621 INFO L226 Difference]: Without dead ends: 423 [2020-08-22 16:49:27,629 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 [2020-08-22 16:49:27,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-08-22 16:49:27,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2020-08-22 16:49:27,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-08-22 16:49:27,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 584 transitions. [2020-08-22 16:49:27,714 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 584 transitions. Word has length 122 [2020-08-22 16:49:27,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:49:27,715 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 584 transitions. [2020-08-22 16:49:27,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:49:27,716 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 584 transitions. [2020-08-22 16:49:27,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-22 16:49:27,721 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:49:27,722 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:49:27,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:49:27,722 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:49:27,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:49:27,728 INFO L82 PathProgramCache]: Analyzing trace with hash -259733235, now seen corresponding path program 1 times [2020-08-22 16:49:27,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:49:27,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875399530] [2020-08-22 16:49:27,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:49:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:27,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:49:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:27,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:49:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:49:27,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875399530] [2020-08-22 16:49:27,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:49:27,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:49:27,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084236342] [2020-08-22 16:49:27,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:49:28,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:49:28,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:49:28,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:49:28,001 INFO L87 Difference]: Start difference. First operand 417 states and 584 transitions. Second operand 8 states. [2020-08-22 16:49:29,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:49:29,329 INFO L93 Difference]: Finished difference Result 1269 states and 1843 transitions. [2020-08-22 16:49:29,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 16:49:29,330 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2020-08-22 16:49:29,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:49:29,347 INFO L225 Difference]: With dead ends: 1269 [2020-08-22 16:49:29,347 INFO L226 Difference]: Without dead ends: 858 [2020-08-22 16:49:29,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:49:29,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-08-22 16:49:29,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 834. [2020-08-22 16:49:29,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 834 states. [2020-08-22 16:49:29,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1168 transitions. [2020-08-22 16:49:29,413 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1168 transitions. Word has length 132 [2020-08-22 16:49:29,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:49:29,413 INFO L479 AbstractCegarLoop]: Abstraction has 834 states and 1168 transitions. [2020-08-22 16:49:29,413 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:49:29,413 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1168 transitions. [2020-08-22 16:49:29,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-08-22 16:49:29,420 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:49:29,420 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:49:29,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:49:29,420 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:49:29,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:49:29,421 INFO L82 PathProgramCache]: Analyzing trace with hash 2082377679, now seen corresponding path program 1 times [2020-08-22 16:49:29,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:49:29,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488645946] [2020-08-22 16:49:29,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:49:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:29,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:49:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:29,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:49:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:49:29,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488645946] [2020-08-22 16:49:29,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277210838] [2020-08-22 16:49:29,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:49:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:29,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:49:29,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:49:30,042 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:49:30,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:49:30,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-08-22 16:49:30,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37369197] [2020-08-22 16:49:30,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:49:30,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:49:30,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:49:30,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:49:30,045 INFO L87 Difference]: Start difference. First operand 834 states and 1168 transitions. Second operand 3 states. [2020-08-22 16:49:30,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:49:30,631 INFO L93 Difference]: Finished difference Result 2210 states and 3124 transitions. [2020-08-22 16:49:30,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:49:30,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-08-22 16:49:30,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:49:30,646 INFO L225 Difference]: With dead ends: 2210 [2020-08-22 16:49:30,646 INFO L226 Difference]: Without dead ends: 1382 [2020-08-22 16:49:30,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:49:30,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2020-08-22 16:49:30,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1380. [2020-08-22 16:49:30,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1380 states. [2020-08-22 16:49:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1743 transitions. [2020-08-22 16:49:30,743 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1743 transitions. Word has length 133 [2020-08-22 16:49:30,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:49:30,743 INFO L479 AbstractCegarLoop]: Abstraction has 1380 states and 1743 transitions. [2020-08-22 16:49:30,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:49:30,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1743 transitions. [2020-08-22 16:49:30,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-08-22 16:49:30,748 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:49:30,749 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:49:30,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-08-22 16:49:30,963 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:49:30,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:49:30,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1533113042, now seen corresponding path program 1 times [2020-08-22 16:49:30,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:49:30,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577005648] [2020-08-22 16:49:30,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:49:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:31,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:49:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:31,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:49:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:31,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 16:49:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:31,123 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:49:31,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577005648] [2020-08-22 16:49:31,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517520060] [2020-08-22 16:49:31,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:49:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:31,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:49:31,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:49:31,297 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:49:31,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:49:31,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-08-22 16:49:31,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512861037] [2020-08-22 16:49:31,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:49:31,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:49:31,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:49:31,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:49:31,302 INFO L87 Difference]: Start difference. First operand 1380 states and 1743 transitions. Second operand 10 states. [2020-08-22 16:49:34,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:49:34,504 INFO L93 Difference]: Finished difference Result 4681 states and 6565 transitions. [2020-08-22 16:49:34,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 16:49:34,504 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 153 [2020-08-22 16:49:34,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:49:34,526 INFO L225 Difference]: With dead ends: 4681 [2020-08-22 16:49:34,526 INFO L226 Difference]: Without dead ends: 3307 [2020-08-22 16:49:34,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-08-22 16:49:34,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3307 states. [2020-08-22 16:49:34,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3307 to 3116. [2020-08-22 16:49:34,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3116 states. [2020-08-22 16:49:34,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 3116 states and 4202 transitions. [2020-08-22 16:49:34,675 INFO L78 Accepts]: Start accepts. Automaton has 3116 states and 4202 transitions. Word has length 153 [2020-08-22 16:49:34,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:49:34,676 INFO L479 AbstractCegarLoop]: Abstraction has 3116 states and 4202 transitions. [2020-08-22 16:49:34,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:49:34,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3116 states and 4202 transitions. [2020-08-22 16:49:34,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-08-22 16:49:34,689 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:49:34,690 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:49:34,904 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:49:34,904 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:49:34,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:49:34,905 INFO L82 PathProgramCache]: Analyzing trace with hash 248069194, now seen corresponding path program 1 times [2020-08-22 16:49:34,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:49:34,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024479401] [2020-08-22 16:49:34,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:49:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:35,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:49:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:35,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:49:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:35,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 16:49:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:35,187 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-08-22 16:49:35,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024479401] [2020-08-22 16:49:35,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569427363] [2020-08-22 16:49:35,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:49:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:35,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:49:35,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:49:35,430 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-08-22 16:49:35,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:49:35,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-08-22 16:49:35,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800032024] [2020-08-22 16:49:35,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:49:35,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:49:35,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:49:35,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:49:35,434 INFO L87 Difference]: Start difference. First operand 3116 states and 4202 transitions. Second operand 3 states. [2020-08-22 16:49:36,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:49:36,151 INFO L93 Difference]: Finished difference Result 7185 states and 9746 transitions. [2020-08-22 16:49:36,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:49:36,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-08-22 16:49:36,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:49:36,180 INFO L225 Difference]: With dead ends: 7185 [2020-08-22 16:49:36,180 INFO L226 Difference]: Without dead ends: 4079 [2020-08-22 16:49:36,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:49:36,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4079 states. [2020-08-22 16:49:36,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4079 to 3527. [2020-08-22 16:49:36,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3527 states. [2020-08-22 16:49:36,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3527 states to 3527 states and 4740 transitions. [2020-08-22 16:49:36,392 INFO L78 Accepts]: Start accepts. Automaton has 3527 states and 4740 transitions. Word has length 157 [2020-08-22 16:49:36,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:49:36,392 INFO L479 AbstractCegarLoop]: Abstraction has 3527 states and 4740 transitions. [2020-08-22 16:49:36,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:49:36,393 INFO L276 IsEmpty]: Start isEmpty. Operand 3527 states and 4740 transitions. [2020-08-22 16:49:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-08-22 16:49:36,406 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:49:36,406 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:49:36,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:49:36,622 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:49:36,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:49:36,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1408349661, now seen corresponding path program 1 times [2020-08-22 16:49:36,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:49:36,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113432415] [2020-08-22 16:49:36,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:49:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:36,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:49:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:36,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:49:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:36,810 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:49:36,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113432415] [2020-08-22 16:49:36,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767677964] [2020-08-22 16:49:36,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:49:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:36,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:49:36,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:49:36,973 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:49:36,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:49:36,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-08-22 16:49:36,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777758484] [2020-08-22 16:49:36,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:49:36,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:49:36,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:49:36,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 16:49:36,976 INFO L87 Difference]: Start difference. First operand 3527 states and 4740 transitions. Second operand 3 states. [2020-08-22 16:49:37,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:49:37,564 INFO L93 Difference]: Finished difference Result 6226 states and 8383 transitions. [2020-08-22 16:49:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:49:37,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2020-08-22 16:49:37,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:49:37,585 INFO L225 Difference]: With dead ends: 6226 [2020-08-22 16:49:37,585 INFO L226 Difference]: Without dead ends: 3527 [2020-08-22 16:49:37,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 159 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 16:49:37,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3527 states. [2020-08-22 16:49:37,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3527 to 3527. [2020-08-22 16:49:37,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3527 states. [2020-08-22 16:49:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3527 states to 3527 states and 4642 transitions. [2020-08-22 16:49:37,761 INFO L78 Accepts]: Start accepts. Automaton has 3527 states and 4642 transitions. Word has length 156 [2020-08-22 16:49:37,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:49:37,761 INFO L479 AbstractCegarLoop]: Abstraction has 3527 states and 4642 transitions. [2020-08-22 16:49:37,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:49:37,761 INFO L276 IsEmpty]: Start isEmpty. Operand 3527 states and 4642 transitions. [2020-08-22 16:49:37,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-08-22 16:49:37,776 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:49:37,776 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:49:37,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:49:37,992 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:49:37,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:49:37,992 INFO L82 PathProgramCache]: Analyzing trace with hash -271733422, now seen corresponding path program 1 times [2020-08-22 16:49:37,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:49:37,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996207881] [2020-08-22 16:49:37,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:49:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:38,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:49:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:38,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:49:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:38,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 16:49:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:38,155 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:49:38,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996207881] [2020-08-22 16:49:38,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047204705] [2020-08-22 16:49:38,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:49:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:49:38,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:49:38,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:49:38,300 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-08-22 16:49:38,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:49:38,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-08-22 16:49:38,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718250870] [2020-08-22 16:49:38,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:49:38,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:49:38,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:49:38,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:49:38,307 INFO L87 Difference]: Start difference. First operand 3527 states and 4642 transitions. Second operand 3 states. [2020-08-22 16:49:38,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:49:38,859 INFO L93 Difference]: Finished difference Result 8730 states and 11725 transitions. [2020-08-22 16:49:38,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:49:38,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2020-08-22 16:49:38,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:49:38,862 INFO L225 Difference]: With dead ends: 8730 [2020-08-22 16:49:38,862 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:49:38,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:49:38,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:49:38,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:49:38,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:49:38,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:49:38,886 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2020-08-22 16:49:38,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:49:38,886 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:49:38,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:49:38,887 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:49:38,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:49:39,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-08-22 16:49:39,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:49:39,624 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 53 [2020-08-22 16:49:40,720 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 58 [2020-08-22 16:49:41,014 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 42 [2020-08-22 16:49:41,226 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 42 [2020-08-22 16:49:41,231 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:49:41,231 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-08-22 16:49:41,231 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:49:41,232 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-08-22 16:49:41,232 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-08-22 16:49:41,232 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,232 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,232 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,233 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,233 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,233 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,233 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-08-22 16:49:41,234 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-08-22 16:49:41,234 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-22 16:49:41,234 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-22 16:49:41,234 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-22 16:49:41,234 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-22 16:49:41,235 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-22 16:49:41,235 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-22 16:49:41,235 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-08-22 16:49:41,235 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-08-22 16:49:41,235 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,235 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,235 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,238 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,238 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,238 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,238 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-08-22 16:49:41,239 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-08-22 16:49:41,239 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-22 16:49:41,239 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-22 16:49:41,239 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-22 16:49:41,239 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-22 16:49:41,239 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-08-22 16:49:41,239 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-22 16:49:41,239 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-08-22 16:49:41,239 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-08-22 16:49:41,240 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-08-22 16:49:41,240 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 524) no Hoare annotation was computed. [2020-08-22 16:49:41,240 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-08-22 16:49:41,240 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-08-22 16:49:41,240 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-08-22 16:49:41,240 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-08-22 16:49:41,240 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,241 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,241 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,241 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,241 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,241 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-08-22 16:49:41,241 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-08-22 16:49:41,241 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-22 16:49:41,242 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-22 16:49:41,242 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-08-22 16:49:41,242 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-22 16:49:41,242 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-22 16:49:41,242 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-22 16:49:41,242 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-08-22 16:49:41,242 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,242 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,243 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,243 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,243 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,243 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-08-22 16:49:41,243 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-22 16:49:41,243 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-08-22 16:49:41,243 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-22 16:49:41,243 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-22 16:49:41,243 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-22 16:49:41,244 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-08-22 16:49:41,244 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-08-22 16:49:41,244 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-08-22 16:49:41,244 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-08-22 16:49:41,244 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-08-22 16:49:41,244 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-08-22 16:49:41,244 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-08-22 16:49:41,244 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,245 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,245 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,245 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,245 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,245 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-08-22 16:49:41,245 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-08-22 16:49:41,245 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-08-22 16:49:41,246 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-22 16:49:41,246 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-08-22 16:49:41,246 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-22 16:49:41,246 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-22 16:49:41,246 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-08-22 16:49:41,246 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-08-22 16:49:41,246 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,246 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,247 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,247 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,247 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,247 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,247 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-08-22 16:49:41,247 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,247 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-08-22 16:49:41,247 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-08-22 16:49:41,247 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-22 16:49:41,248 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-22 16:49:41,248 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-22 16:49:41,248 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-22 16:49:41,248 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-22 16:49:41,248 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-08-22 16:49:41,248 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-08-22 16:49:41,248 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-08-22 16:49:41,248 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-08-22 16:49:41,249 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-08-22 16:49:41,249 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-08-22 16:49:41,249 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,249 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,249 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,249 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,249 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,249 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-08-22 16:49:41,250 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-22 16:49:41,250 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-22 16:49:41,250 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-22 16:49:41,250 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-22 16:49:41,250 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-22 16:49:41,250 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-08-22 16:49:41,250 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-08-22 16:49:41,250 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,251 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,251 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,251 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,251 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,251 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-08-22 16:49:41,251 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-08-22 16:49:41,251 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-08-22 16:49:41,251 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-08-22 16:49:41,251 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-22 16:49:41,252 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-08-22 16:49:41,252 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-22 16:49:41,252 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-22 16:49:41,252 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-08-22 16:49:41,252 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-08-22 16:49:41,252 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse9 (= ~a17~0 |old(~a17~0)|)) (.cse10 (= ~a7~0 |old(~a7~0)|)) (.cse11 (= ~a21~0 |old(~a21~0)|)) (.cse12 (= ~a20~0 |old(~a20~0)|)) (.cse13 (= ~a8~0 |old(~a8~0)|))) (let ((.cse3 (not (<= |old(~a16~0)| 5))) (.cse1 (not (<= 15 |old(~a8~0)|))) (.cse0 (not (<= 5 |old(~a16~0)|))) (.cse5 (not (<= |old(~a8~0)| 13))) (.cse2 (and .cse9 .cse10 .cse11 .cse12 (= ~a16~0 |old(~a16~0)|) .cse13)) (.cse7 (not (<= |old(~a17~0)| 0))) (.cse4 (and .cse9 .cse10 .cse11 .cse12 .cse13 (= ~a16~0 4))) (.cse8 (not (<= |old(~a7~0)| 0))) (.cse6 (not (= 4 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 (= |old(~a7~0)| 1)) (or .cse0 .cse3 .cse1 .cse2) (or .cse4 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse7) (or .cse0 .cse3 .cse2 .cse7) (or .cse0 .cse8 .cse3 .cse2) (or .cse0 .cse3 .cse5 .cse2) (or .cse4 .cse1 .cse6) (or .cse0 .cse8 .cse5 .cse2) (or .cse4 .cse7 .cse6) (or .cse4 .cse8 .cse6)))) [2020-08-22 16:49:41,253 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-08-22 16:49:41,253 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,253 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,253 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,253 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,253 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-08-22 16:49:41,253 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,253 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,253 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-08-22 16:49:41,254 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-08-22 16:49:41,254 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-22 16:49:41,254 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-22 16:49:41,254 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-22 16:49:41,254 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-22 16:49:41,254 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-08-22 16:49:41,254 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-22 16:49:41,254 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-08-22 16:49:41,254 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-08-22 16:49:41,255 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-08-22 16:49:41,255 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-08-22 16:49:41,255 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,255 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,255 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,255 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,255 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,255 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-08-22 16:49:41,256 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,256 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-08-22 16:49:41,256 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-08-22 16:49:41,256 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-22 16:49:41,256 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-22 16:49:41,256 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-22 16:49:41,256 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-22 16:49:41,257 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-22 16:49:41,257 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-22 16:49:41,257 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-08-22 16:49:41,257 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-08-22 16:49:41,257 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-08-22 16:49:41,257 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-08-22 16:49:41,257 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-08-22 16:49:41,258 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-08-22 16:49:41,258 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,258 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,258 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,258 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,258 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,258 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-08-22 16:49:41,258 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-08-22 16:49:41,259 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-08-22 16:49:41,259 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-22 16:49:41,259 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-22 16:49:41,259 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-22 16:49:41,259 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-08-22 16:49:41,259 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-22 16:49:41,259 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-08-22 16:49:41,259 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-08-22 16:49:41,259 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-08-22 16:49:41,260 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:49:41,260 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (<= ~a7~0 0) (<= 5 ~a16~0) (<= 15 ~a8~0)) [2020-08-22 16:49:41,260 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:49:41,260 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:49:41,260 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|))) [2020-08-22 16:49:41,260 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-08-22 16:49:41,261 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 13)) (.cse6 (<= ~a7~0 0)) (.cse0 (<= ~a17~0 0)) (.cse4 (= ~a16~0 4)) (.cse3 (<= ~a16~0 5)) (.cse1 (<= 5 ~a16~0)) (.cse5 (<= 15 ~a8~0))) (or (not (<= 5 |old(~a16~0)|)) (and .cse0 .cse1 .cse2) (not (<= |old(~a7~0)| 0)) (and .cse3 .cse0 .cse1) (and .cse3 .cse1 .cse2) (and .cse4 .cse2) (and (not (= ~a7~0 1)) .cse1 .cse5) (and .cse4 .cse5) (and .cse6 .cse4) (and .cse6 .cse1 .cse2) (and .cse3 .cse6 .cse1) (and .cse0 .cse4) (not (<= |old(~a16~0)| 5)) (and .cse3 .cse1 .cse5) (not (<= 15 |old(~a8~0)|)))) [2020-08-22 16:49:41,261 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-22 16:49:41,261 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-22 16:49:41,261 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 13)) (.cse6 (<= ~a7~0 0)) (.cse0 (<= ~a17~0 0)) (.cse4 (= ~a16~0 4)) (.cse3 (<= ~a16~0 5)) (.cse1 (<= 5 ~a16~0)) (.cse5 (<= 15 ~a8~0))) (or (not (<= 5 |old(~a16~0)|)) (and .cse0 .cse1 .cse2) (not (<= |old(~a7~0)| 0)) (and .cse3 .cse0 .cse1) (and .cse3 .cse1 .cse2) (and .cse4 .cse2) (and (not (= ~a7~0 1)) .cse1 .cse5) (and .cse4 .cse5) (and .cse6 .cse4) (and .cse6 .cse1 .cse2) (and .cse3 .cse6 .cse1) (and .cse0 .cse4) (not (<= |old(~a16~0)| 5)) (and .cse3 .cse1 .cse5) (not (<= 15 |old(~a8~0)|)))) [2020-08-22 16:49:41,261 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-08-22 16:49:41,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:49:41 BoogieIcfgContainer [2020-08-22 16:49:41,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:49:41,283 INFO L168 Benchmark]: Toolchain (without parser) took 18429.55 ms. Allocated memory was 140.5 MB in the beginning and 564.7 MB in the end (delta: 424.1 MB). Free memory was 100.7 MB in the beginning and 440.0 MB in the end (delta: -339.3 MB). Peak memory consumption was 394.0 MB. Max. memory is 7.1 GB. [2020-08-22 16:49:41,284 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 16:49:41,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.93 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 171.0 MB in the end (delta: -70.6 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2020-08-22 16:49:41,285 INFO L168 Benchmark]: Boogie Preprocessor took 101.07 ms. Allocated memory is still 205.5 MB. Free memory was 171.0 MB in the beginning and 166.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-22 16:49:41,286 INFO L168 Benchmark]: RCFGBuilder took 1139.02 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 166.2 MB in the beginning and 178.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2020-08-22 16:49:41,287 INFO L168 Benchmark]: TraceAbstraction took 16419.70 ms. Allocated memory was 238.6 MB in the beginning and 564.7 MB in the end (delta: 326.1 MB). Free memory was 178.5 MB in the beginning and 440.0 MB in the end (delta: -261.5 MB). Peak memory consumption was 373.8 MB. Max. memory is 7.1 GB. [2020-08-22 16:49:41,291 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 764.93 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 171.0 MB in the end (delta: -70.6 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.07 ms. Allocated memory is still 205.5 MB. Free memory was 171.0 MB in the beginning and 166.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1139.02 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 166.2 MB in the beginning and 178.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16419.70 ms. Allocated memory was 238.6 MB in the beginning and 564.7 MB in the end (delta: 326.1 MB). Free memory was 178.5 MB in the beginning and 440.0 MB in the end (delta: -261.5 MB). Peak memory consumption was 373.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 524]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((!(5 <= \old(a16)) || ((a17 <= 0 && 5 <= a16) && a8 <= 13)) || !(\old(a7) <= 0)) || ((a16 <= 5 && a17 <= 0) && 5 <= a16)) || ((a16 <= 5 && 5 <= a16) && a8 <= 13)) || (a16 == 4 && a8 <= 13)) || ((!(a7 == 1) && 5 <= a16) && 15 <= a8)) || (a16 == 4 && 15 <= a8)) || (a7 <= 0 && a16 == 4)) || ((a7 <= 0 && 5 <= a16) && a8 <= 13)) || ((a16 <= 5 && a7 <= 0) && 5 <= a16)) || (a17 <= 0 && a16 == 4)) || !(\old(a16) <= 5)) || ((a16 <= 5 && 5 <= a16) && 15 <= a8)) || !(15 <= \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.1s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 597 SDtfs, 2269 SDslu, 208 SDs, 0 SdLazy, 5603 SolverSat, 1001 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 860 GetRequests, 805 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3527occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 775 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 190 PreInvPairs, 308 NumberOfFragments, 676 HoareAnnotationTreeSize, 190 FomulaSimplifications, 26664 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3378 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1808 NumberOfCodeBlocks, 1808 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1796 ConstructedInterpolants, 0 QuantifiedInterpolants, 963582 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2114 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 348/367 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...