/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/Problem10_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 19:06:13,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 19:06:13,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 19:06:13,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 19:06:13,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 19:06:13,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 19:06:13,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 19:06:13,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 19:06:13,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 19:06:13,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 19:06:13,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 19:06:13,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 19:06:13,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 19:06:13,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 19:06:13,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 19:06:13,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 19:06:13,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 19:06:13,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 19:06:13,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 19:06:13,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 19:06:13,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 19:06:13,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 19:06:13,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 19:06:13,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 19:06:13,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 19:06:13,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 19:06:13,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 19:06:13,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 19:06:13,532 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 [2019-11-06 19:06:13,551 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 19:06:13,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 19:06:13,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 19:06:13,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 19:06:13,554 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 19:06:13,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 19:06:13,555 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 19:06:13,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 19:06:13,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 19:06:13,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 19:06:13,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 19:06:13,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 19:06:13,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 19:06:13,557 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 19:06:13,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 19:06:13,557 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 19:06:13,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 19:06:13,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 19:06:13,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 19:06:13,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 19:06:13,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 19:06:13,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 19:06:13,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 19:06:13,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 19:06:13,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 19:06:13,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 19:06:13,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 19:06:13,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 19:06:13,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 19:06:13,832 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 19:06:13,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 19:06:13,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 19:06:13,854 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 19:06:13,854 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 19:06:13,855 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label39.c [2019-11-06 19:06:13,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1175e0c19/1f5d6f74888c4f7dab6937a12f331fe6/FLAGb844644f1 [2019-11-06 19:06:14,500 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 19:06:14,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label39.c [2019-11-06 19:06:14,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1175e0c19/1f5d6f74888c4f7dab6937a12f331fe6/FLAGb844644f1 [2019-11-06 19:06:14,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1175e0c19/1f5d6f74888c4f7dab6937a12f331fe6 [2019-11-06 19:06:14,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 19:06:14,770 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 19:06:14,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 19:06:14,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 19:06:14,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 19:06:14,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:06:14" (1/1) ... [2019-11-06 19:06:14,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c95312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:14, skipping insertion in model container [2019-11-06 19:06:14,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:06:14" (1/1) ... [2019-11-06 19:06:14,788 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 19:06:14,841 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 19:06:15,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:06:15,349 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 19:06:15,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:06:15,510 INFO L192 MainTranslator]: Completed translation [2019-11-06 19:06:15,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:15 WrapperNode [2019-11-06 19:06:15,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 19:06:15,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 19:06:15,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 19:06:15,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 19:06:15,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:15" (1/1) ... [2019-11-06 19:06:15,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:15" (1/1) ... [2019-11-06 19:06:15,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:15" (1/1) ... [2019-11-06 19:06:15,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:15" (1/1) ... [2019-11-06 19:06:15,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:15" (1/1) ... [2019-11-06 19:06:15,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:15" (1/1) ... [2019-11-06 19:06:15,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:15" (1/1) ... [2019-11-06 19:06:15,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 19:06:15,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 19:06:15,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 19:06:15,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 19:06:15,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:15" (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 [2019-11-06 19:06:15,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 19:06:15,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 19:06:15,744 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 19:06:15,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 19:06:15,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 19:06:15,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 19:06:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 19:06:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 19:06:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 19:06:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 19:06:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 19:06:17,034 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 19:06:17,034 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 19:06:17,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:06:17 BoogieIcfgContainer [2019-11-06 19:06:17,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 19:06:17,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 19:06:17,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 19:06:17,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 19:06:17,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:06:14" (1/3) ... [2019-11-06 19:06:17,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694b737a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:06:17, skipping insertion in model container [2019-11-06 19:06:17,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:15" (2/3) ... [2019-11-06 19:06:17,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694b737a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:06:17, skipping insertion in model container [2019-11-06 19:06:17,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:06:17" (3/3) ... [2019-11-06 19:06:17,045 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label39.c [2019-11-06 19:06:17,058 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 19:06:17,068 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 19:06:17,083 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 19:06:17,116 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 19:06:17,116 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 19:06:17,116 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 19:06:17,116 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 19:06:17,117 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 19:06:17,117 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 19:06:17,117 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 19:06:17,117 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 19:06:17,144 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-11-06 19:06:17,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-06 19:06:17,152 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:17,153 INFO L410 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] [2019-11-06 19:06:17,155 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:17,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:17,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1917412719, now seen corresponding path program 1 times [2019-11-06 19:06:17,170 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:17,171 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981945794] [2019-11-06 19:06:17,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:17,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:06:17,547 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981945794] [2019-11-06 19:06:17,549 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:06:17,549 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 19:06:17,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969775153] [2019-11-06 19:06:17,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 19:06:17,559 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:17,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 19:06:17,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 19:06:17,579 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2019-11-06 19:06:19,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:19,623 INFO L93 Difference]: Finished difference Result 745 states and 1317 transitions. [2019-11-06 19:06:19,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 19:06:19,625 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-06 19:06:19,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:19,655 INFO L225 Difference]: With dead ends: 745 [2019-11-06 19:06:19,655 INFO L226 Difference]: Without dead ends: 447 [2019-11-06 19:06:19,668 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:06:19,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-11-06 19:06:19,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 296. [2019-11-06 19:06:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-11-06 19:06:19,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2019-11-06 19:06:19,761 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 32 [2019-11-06 19:06:19,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:19,761 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2019-11-06 19:06:19,762 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 19:06:19,762 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2019-11-06 19:06:19,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-06 19:06:19,767 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:19,767 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:06:19,767 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:19,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:19,768 INFO L82 PathProgramCache]: Analyzing trace with hash 845536850, now seen corresponding path program 1 times [2019-11-06 19:06:19,768 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:19,769 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235596745] [2019-11-06 19:06:19,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:06:20,106 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235596745] [2019-11-06 19:06:20,106 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873311038] [2019-11-06 19:06:20,108 INFO L94 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 [2019-11-06 19:06:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:20,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:06:20,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:06:20,277 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:06:20,278 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:06:20,278 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2019-11-06 19:06:20,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614717760] [2019-11-06 19:06:20,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:06:20,281 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:20,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:06:20,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-06 19:06:20,282 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 3 states. [2019-11-06 19:06:20,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:20,962 INFO L93 Difference]: Finished difference Result 874 states and 1343 transitions. [2019-11-06 19:06:20,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:06:20,963 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2019-11-06 19:06:20,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:20,967 INFO L225 Difference]: With dead ends: 874 [2019-11-06 19:06:20,967 INFO L226 Difference]: Without dead ends: 584 [2019-11-06 19:06:20,969 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-06 19:06:20,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2019-11-06 19:06:21,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2019-11-06 19:06:21,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2019-11-06 19:06:21,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 806 transitions. [2019-11-06 19:06:21,023 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 806 transitions. Word has length 102 [2019-11-06 19:06:21,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:21,027 INFO L462 AbstractCegarLoop]: Abstraction has 584 states and 806 transitions. [2019-11-06 19:06:21,027 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:06:21,027 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 806 transitions. [2019-11-06 19:06:21,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-06 19:06:21,038 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:21,039 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:06:21,243 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:06:21,243 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:21,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:21,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1094831721, now seen corresponding path program 1 times [2019-11-06 19:06:21,244 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:21,246 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733874291] [2019-11-06 19:06:21,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:06:21,529 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733874291] [2019-11-06 19:06:21,530 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:06:21,530 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 19:06:21,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125493624] [2019-11-06 19:06:21,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 19:06:21,531 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:21,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 19:06:21,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 19:06:21,533 INFO L87 Difference]: Start difference. First operand 584 states and 806 transitions. Second operand 9 states. [2019-11-06 19:06:23,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:23,463 INFO L93 Difference]: Finished difference Result 1490 states and 2155 transitions. [2019-11-06 19:06:23,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-06 19:06:23,469 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 113 [2019-11-06 19:06:23,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:23,475 INFO L225 Difference]: With dead ends: 1490 [2019-11-06 19:06:23,475 INFO L226 Difference]: Without dead ends: 912 [2019-11-06 19:06:23,480 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2019-11-06 19:06:23,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2019-11-06 19:06:23,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 896. [2019-11-06 19:06:23,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2019-11-06 19:06:23,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1187 transitions. [2019-11-06 19:06:23,529 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1187 transitions. Word has length 113 [2019-11-06 19:06:23,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:23,530 INFO L462 AbstractCegarLoop]: Abstraction has 896 states and 1187 transitions. [2019-11-06 19:06:23,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 19:06:23,530 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1187 transitions. [2019-11-06 19:06:23,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-06 19:06:23,542 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:23,542 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:06:23,542 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:23,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:23,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1618424411, now seen corresponding path program 1 times [2019-11-06 19:06:23,544 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:23,544 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554441363] [2019-11-06 19:06:23,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:23,856 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:06:23,856 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554441363] [2019-11-06 19:06:23,857 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:06:23,857 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 19:06:23,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824211703] [2019-11-06 19:06:23,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 19:06:23,858 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:23,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 19:06:23,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 19:06:23,859 INFO L87 Difference]: Start difference. First operand 896 states and 1187 transitions. Second operand 9 states. [2019-11-06 19:06:25,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:25,250 INFO L93 Difference]: Finished difference Result 2420 states and 3439 transitions. [2019-11-06 19:06:25,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 19:06:25,251 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2019-11-06 19:06:25,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:25,262 INFO L225 Difference]: With dead ends: 2420 [2019-11-06 19:06:25,262 INFO L226 Difference]: Without dead ends: 1530 [2019-11-06 19:06:25,266 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2019-11-06 19:06:25,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2019-11-06 19:06:25,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1492. [2019-11-06 19:06:25,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1492 states. [2019-11-06 19:06:25,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 1964 transitions. [2019-11-06 19:06:25,324 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 1964 transitions. Word has length 163 [2019-11-06 19:06:25,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:25,325 INFO L462 AbstractCegarLoop]: Abstraction has 1492 states and 1964 transitions. [2019-11-06 19:06:25,325 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 19:06:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1964 transitions. [2019-11-06 19:06:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-11-06 19:06:25,328 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:25,329 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:06:25,329 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:25,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:25,330 INFO L82 PathProgramCache]: Analyzing trace with hash 383631829, now seen corresponding path program 1 times [2019-11-06 19:06:25,330 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:25,330 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857719419] [2019-11-06 19:06:25,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-11-06 19:06:25,582 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857719419] [2019-11-06 19:06:25,583 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431759109] [2019-11-06 19:06:25,583 INFO L94 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 [2019-11-06 19:06:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:25,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:06:25,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:06:25,759 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-11-06 19:06:25,759 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:06:25,760 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2019-11-06 19:06:25,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819991586] [2019-11-06 19:06:25,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:06:25,763 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:25,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:06:25,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 19:06:25,764 INFO L87 Difference]: Start difference. First operand 1492 states and 1964 transitions. Second operand 3 states. [2019-11-06 19:06:26,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:26,362 INFO L93 Difference]: Finished difference Result 2219 states and 2895 transitions. [2019-11-06 19:06:26,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:06:26,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-11-06 19:06:26,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:26,374 INFO L225 Difference]: With dead ends: 2219 [2019-11-06 19:06:26,374 INFO L226 Difference]: Without dead ends: 2217 [2019-11-06 19:06:26,375 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 19:06:26,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2019-11-06 19:06:26,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 1347. [2019-11-06 19:06:26,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2019-11-06 19:06:26,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1784 transitions. [2019-11-06 19:06:26,471 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1784 transitions. Word has length 188 [2019-11-06 19:06:26,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:26,472 INFO L462 AbstractCegarLoop]: Abstraction has 1347 states and 1784 transitions. [2019-11-06 19:06:26,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:06:26,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1784 transitions. [2019-11-06 19:06:26,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-11-06 19:06:26,479 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:26,479 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:06:26,682 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:06:26,683 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:26,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:26,683 INFO L82 PathProgramCache]: Analyzing trace with hash -2117945153, now seen corresponding path program 1 times [2019-11-06 19:06:26,684 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:26,684 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943189524] [2019-11-06 19:06:26,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:27,190 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 148 proven. 71 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-06 19:06:27,191 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943189524] [2019-11-06 19:06:27,191 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195174230] [2019-11-06 19:06:27,194 INFO L94 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 [2019-11-06 19:06:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:27,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:06:27,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:06:27,479 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 270 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-06 19:06:27,480 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 19:06:27,480 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2019-11-06 19:06:27,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599137449] [2019-11-06 19:06:27,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 19:06:27,482 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:27,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 19:06:27,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-11-06 19:06:27,486 INFO L87 Difference]: Start difference. First operand 1347 states and 1784 transitions. Second operand 12 states. [2019-11-06 19:06:30,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:30,521 INFO L93 Difference]: Finished difference Result 3991 states and 5280 transitions. [2019-11-06 19:06:30,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-06 19:06:30,523 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 309 [2019-11-06 19:06:30,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:30,534 INFO L225 Difference]: With dead ends: 3991 [2019-11-06 19:06:30,534 INFO L226 Difference]: Without dead ends: 1915 [2019-11-06 19:06:30,541 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 323 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2019-11-06 19:06:30,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1915 states. [2019-11-06 19:06:30,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1915 to 1484. [2019-11-06 19:06:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2019-11-06 19:06:30,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1863 transitions. [2019-11-06 19:06:30,603 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1863 transitions. Word has length 309 [2019-11-06 19:06:30,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:30,604 INFO L462 AbstractCegarLoop]: Abstraction has 1484 states and 1863 transitions. [2019-11-06 19:06:30,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-06 19:06:30,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1863 transitions. [2019-11-06 19:06:30,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2019-11-06 19:06:30,611 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:30,611 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-06 19:06:30,815 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:06:30,816 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:30,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:30,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1854217801, now seen corresponding path program 1 times [2019-11-06 19:06:30,817 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:30,817 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737843704] [2019-11-06 19:06:30,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:31,332 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 261 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-11-06 19:06:31,333 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737843704] [2019-11-06 19:06:31,333 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010486450] [2019-11-06 19:06:31,333 INFO L94 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 [2019-11-06 19:06:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:31,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:06:31,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:06:31,591 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 263 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-11-06 19:06:31,591 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 19:06:31,592 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2019-11-06 19:06:31,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934430208] [2019-11-06 19:06:31,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 19:06:31,593 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:31,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 19:06:31,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 19:06:31,594 INFO L87 Difference]: Start difference. First operand 1484 states and 1863 transitions. Second operand 9 states. [2019-11-06 19:06:34,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:34,390 INFO L93 Difference]: Finished difference Result 4010 states and 5785 transitions. [2019-11-06 19:06:34,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-06 19:06:34,391 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 345 [2019-11-06 19:06:34,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:34,407 INFO L225 Difference]: With dead ends: 4010 [2019-11-06 19:06:34,408 INFO L226 Difference]: Without dead ends: 2532 [2019-11-06 19:06:34,413 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 356 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2019-11-06 19:06:34,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2019-11-06 19:06:34,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 2263. [2019-11-06 19:06:34,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2263 states. [2019-11-06 19:06:34,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 2263 states and 2900 transitions. [2019-11-06 19:06:34,502 INFO L78 Accepts]: Start accepts. Automaton has 2263 states and 2900 transitions. Word has length 345 [2019-11-06 19:06:34,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:34,503 INFO L462 AbstractCegarLoop]: Abstraction has 2263 states and 2900 transitions. [2019-11-06 19:06:34,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 19:06:34,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2900 transitions. [2019-11-06 19:06:34,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-11-06 19:06:34,516 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:34,516 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:06:34,720 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:06:34,720 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:34,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:34,721 INFO L82 PathProgramCache]: Analyzing trace with hash 664351230, now seen corresponding path program 1 times [2019-11-06 19:06:34,721 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:34,721 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825542665] [2019-11-06 19:06:34,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:35,074 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-11-06 19:06:35,075 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825542665] [2019-11-06 19:06:35,075 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13273363] [2019-11-06 19:06:35,076 INFO L94 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 [2019-11-06 19:06:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:35,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:06:35,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:06:35,347 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-11-06 19:06:35,348 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:06:35,348 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 19:06:35,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516464568] [2019-11-06 19:06:35,349 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:06:35,349 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:35,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:06:35,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:06:35,351 INFO L87 Difference]: Start difference. First operand 2263 states and 2900 transitions. Second operand 3 states. [2019-11-06 19:06:35,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:35,830 INFO L93 Difference]: Finished difference Result 2263 states and 2900 transitions. [2019-11-06 19:06:35,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:06:35,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 358 [2019-11-06 19:06:35,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:35,835 INFO L225 Difference]: With dead ends: 2263 [2019-11-06 19:06:35,835 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 19:06:35,840 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:06:35,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 19:06:35,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 19:06:35,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 19:06:35,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 19:06:35,844 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2019-11-06 19:06:35,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:35,845 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 19:06:35,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:06:35,845 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 19:06:35,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 19:06:36,056 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:06:36,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 19:06:36,492 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 95 [2019-11-06 19:06:36,669 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 95 [2019-11-06 19:06:37,239 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 40 [2019-11-06 19:06:37,538 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 35 [2019-11-06 19:06:37,817 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 35 [2019-11-06 19:06:37,820 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 19:06:37,820 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2019-11-06 19:06:37,820 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 19:06:37,821 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-06 19:06:37,821 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,821 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,821 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,821 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,821 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,821 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,821 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-06 19:06:37,822 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-06 19:06:37,822 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-06 19:06:37,822 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-06 19:06:37,822 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-06 19:06:37,822 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-06 19:06:37,822 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-06 19:06:37,822 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-06 19:06:37,822 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-06 19:06:37,823 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-06 19:06:37,823 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-06 19:06:37,823 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,823 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,823 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,823 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,823 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,823 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-06 19:06:37,823 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-06 19:06:37,823 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-06 19:06:37,823 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-06 19:06:37,824 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-06 19:06:37,824 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-06 19:06:37,824 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-06 19:06:37,824 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-06 19:06:37,824 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-06 19:06:37,824 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-06 19:06:37,824 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-06 19:06:37,824 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-06 19:06:37,824 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-06 19:06:37,825 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-06 19:06:37,825 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,825 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,825 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,825 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,825 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,825 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-06 19:06:37,825 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-06 19:06:37,826 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-06 19:06:37,826 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-06 19:06:37,826 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-06 19:06:37,826 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-06 19:06:37,826 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-06 19:06:37,826 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-06 19:06:37,826 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-06 19:06:37,826 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-06 19:06:37,826 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,827 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,827 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,827 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,827 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,827 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-06 19:06:37,827 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-06 19:06:37,827 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-06 19:06:37,827 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-06 19:06:37,827 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-06 19:06:37,828 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-06 19:06:37,828 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-06 19:06:37,828 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-06 19:06:37,828 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-06 19:06:37,828 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-06 19:06:37,828 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-06 19:06:37,828 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-06 19:06:37,828 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-06 19:06:37,829 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-06 19:06:37,829 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,829 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,829 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,829 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,829 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,829 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-06 19:06:37,829 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-06 19:06:37,829 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-06 19:06:37,830 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-06 19:06:37,830 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-06 19:06:37,830 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-06 19:06:37,830 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-06 19:06:37,830 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-06 19:06:37,830 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-06 19:06:37,830 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,830 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,830 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,831 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,831 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,831 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,831 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,831 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-06 19:06:37,831 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-06 19:06:37,831 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-06 19:06:37,831 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-06 19:06:37,831 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-06 19:06:37,832 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-06 19:06:37,832 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-06 19:06:37,832 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-06 19:06:37,832 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-06 19:06:37,832 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-06 19:06:37,832 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-06 19:06:37,832 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-06 19:06:37,832 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-06 19:06:37,833 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,833 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,833 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,833 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,833 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-06 19:06:37,833 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,833 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,833 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-06 19:06:37,833 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-06 19:06:37,834 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-06 19:06:37,834 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-06 19:06:37,834 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-06 19:06:37,834 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-06 19:06:37,834 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-06 19:06:37,834 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-06 19:06:37,834 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-06 19:06:37,834 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-06 19:06:37,834 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-06 19:06:37,835 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-06 19:06:37,835 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-06 19:06:37,835 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,835 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,835 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,835 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,835 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,835 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,835 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-06 19:06:37,835 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-06 19:06:37,835 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-06 19:06:37,835 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-06 19:06:37,835 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-06 19:06:37,835 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-06 19:06:37,836 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-06 19:06:37,836 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-06 19:06:37,836 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-06 19:06:37,836 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-06 19:06:37,836 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-06 19:06:37,836 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse4 (= ~a1~0 |old(~a1~0)|)) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse5 (= ~a19~0 |old(~a19~0)|))) (let ((.cse2 (and .cse4 .cse3 .cse5)) (.cse0 (not (= 14 ~a4~0))) (.cse1 (not (= 0 ~a12~0)))) (and (or (not (<= 2 |old(~a10~0)|)) .cse0 .cse1 .cse2) (or .cse2 .cse0 .cse1 (not (<= 9 |old(~a19~0)|))) (or .cse2 .cse0 .cse1 (not (<= |old(~a10~0)| 0)) (not (<= |old(~a19~0)| 6))) (or (and (and .cse3 .cse4) .cse5) .cse0 .cse1 (not (< 0 (+ |old(~a1~0)| 13))))))) [2019-11-06 19:06:37,836 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-06 19:06:37,836 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-06 19:06:37,836 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-06 19:06:37,837 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,837 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,837 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,837 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,837 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,837 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,837 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-06 19:06:37,837 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-06 19:06:37,837 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-06 19:06:37,838 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-06 19:06:37,838 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-06 19:06:37,838 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-06 19:06:37,838 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-06 19:06:37,838 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-06 19:06:37,838 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-06 19:06:37,838 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-06 19:06:37,838 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-06 19:06:37,838 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-06 19:06:37,838 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-06 19:06:37,838 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,839 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,839 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,839 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,839 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,839 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,839 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-06 19:06:37,839 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-06 19:06:37,839 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-06 19:06:37,839 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-06 19:06:37,839 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-06 19:06:37,839 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-06 19:06:37,839 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-06 19:06:37,840 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-06 19:06:37,840 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-06 19:06:37,840 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-06 19:06:37,840 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-06 19:06:37,840 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-06 19:06:37,840 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,840 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,840 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,840 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,840 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,840 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:37,840 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-06 19:06:37,840 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-06 19:06:37,841 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-06 19:06:37,841 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-06 19:06:37,841 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-06 19:06:37,841 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-06 19:06:37,841 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-06 19:06:37,841 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-06 19:06:37,841 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-06 19:06:37,841 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-06 19:06:37,841 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-06 19:06:37,841 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-06 19:06:37,841 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 19:06:37,841 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (= 14 ~a4~0) (<= ~a19~0 9) (= ~a12~0 0) (<= ~a10~0 0) (<= 9 ~a19~0)) [2019-11-06 19:06:37,841 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 19:06:37,842 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 19:06:37,842 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= 23 |old(~a1~0)|)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-11-06 19:06:37,842 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-11-06 19:06:37,842 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (< 0 (+ ~a1~0 13)) (<= 2 ~a10~0) (not (<= 23 |old(~a1~0)|)) (and (<= ~a10~0 0) (<= ~a19~0 6)) (not (= 0 ~a12~0)) (<= 9 ~a19~0) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-11-06 19:06:37,842 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-11-06 19:06:37,842 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-06 19:06:37,842 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (< 0 (+ ~a1~0 13)) (<= 2 ~a10~0) (not (<= 23 |old(~a1~0)|)) (and (<= ~a10~0 0) (<= ~a19~0 6)) (not (= 0 ~a12~0)) (<= 9 ~a19~0) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-11-06 19:06:37,842 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-11-06 19:06:37,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 07:06:37 BoogieIcfgContainer [2019-11-06 19:06:37,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 19:06:37,861 INFO L168 Benchmark]: Toolchain (without parser) took 23091.06 ms. Allocated memory was 136.8 MB in the beginning and 573.0 MB in the end (delta: 436.2 MB). Free memory was 100.3 MB in the beginning and 320.0 MB in the end (delta: -219.7 MB). Peak memory consumption was 411.0 MB. Max. memory is 7.1 GB. [2019-11-06 19:06:37,862 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 19:06:37,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.52 ms. Allocated memory was 136.8 MB in the beginning and 205.0 MB in the end (delta: 68.2 MB). Free memory was 100.1 MB in the beginning and 168.7 MB in the end (delta: -68.7 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2019-11-06 19:06:37,864 INFO L168 Benchmark]: Boogie Preprocessor took 135.82 ms. Allocated memory is still 205.0 MB. Free memory was 168.7 MB in the beginning and 164.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-11-06 19:06:37,864 INFO L168 Benchmark]: RCFGBuilder took 1386.62 ms. Allocated memory was 205.0 MB in the beginning and 234.4 MB in the end (delta: 29.4 MB). Free memory was 164.3 MB in the beginning and 180.3 MB in the end (delta: -16.0 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2019-11-06 19:06:37,865 INFO L168 Benchmark]: TraceAbstraction took 20822.41 ms. Allocated memory was 234.4 MB in the beginning and 573.0 MB in the end (delta: 338.7 MB). Free memory was 180.3 MB in the beginning and 320.0 MB in the end (delta: -139.7 MB). Peak memory consumption was 393.5 MB. Max. memory is 7.1 GB. [2019-11-06 19:06:37,869 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 741.52 ms. Allocated memory was 136.8 MB in the beginning and 205.0 MB in the end (delta: 68.2 MB). Free memory was 100.1 MB in the beginning and 168.7 MB in the end (delta: -68.7 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.82 ms. Allocated memory is still 205.0 MB. Free memory was 168.7 MB in the beginning and 164.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1386.62 ms. Allocated memory was 205.0 MB in the beginning and 234.4 MB in the end (delta: 29.4 MB). Free memory was 164.3 MB in the beginning and 180.3 MB in the end (delta: -16.0 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20822.41 ms. Allocated memory was 234.4 MB in the beginning and 573.0 MB in the end (delta: 338.7 MB). Free memory was 180.3 MB in the beginning and 320.0 MB in the end (delta: -139.7 MB). Peak memory consumption was 393.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((0 < a1 + 13 || 2 <= a10) || !(23 <= \old(a1))) || (a10 <= 0 && a19 <= 6)) || !(0 == a12)) || 9 <= a19) || !(14 == a4)) || !(\old(a19) <= 9)) || !(\old(a10) <= 0)) || !(9 <= \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Result: SAFE, OverallTime: 20.7s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, HoareTripleCheckerStatistics: 632 SDtfs, 4233 SDslu, 284 SDs, 0 SdLazy, 7221 SolverSat, 1949 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1443 GetRequests, 1354 SyntacticMatches, 5 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2263occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 1775 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 61 PreInvPairs, 107 NumberOfFragments, 272 HoareAnnotationTreeSize, 61 FomulaSimplifications, 55404 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6096 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2912 NumberOfCodeBlocks, 2912 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2899 ConstructedInterpolants, 0 QuantifiedInterpolants, 1608017 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2246 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 2238/2324 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...