/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_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 19:04:10,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 19:04:10,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 19:04:10,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 19:04:10,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 19:04:10,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 19:04:10,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 19:04:10,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 19:04:10,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 19:04:10,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 19:04:10,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 19:04:10,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 19:04:10,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 19:04:10,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 19:04:10,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 19:04:10,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 19:04:10,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 19:04:10,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 19:04:10,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 19:04:10,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 19:04:10,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 19:04:10,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 19:04:10,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 19:04:10,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 19:04:10,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 19:04:10,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 19:04:10,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 19:04:10,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 19:04:10,587 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 19:04:10,606 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 19:04:10,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 19:04:10,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 19:04:10,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 19:04:10,607 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 19:04:10,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 19:04:10,608 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 19:04:10,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 19:04:10,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 19:04:10,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 19:04:10,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 19:04:10,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 19:04:10,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 19:04:10,609 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 19:04:10,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 19:04:10,609 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 19:04:10,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 19:04:10,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 19:04:10,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 19:04:10,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 19:04:10,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 19:04:10,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 19:04:10,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 19:04:10,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 19:04:10,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 19:04:10,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 19:04:10,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 19:04:10,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 19:04:10,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 19:04:10,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 19:04:10,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 19:04:10,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 19:04:10,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 19:04:10,901 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 19:04:10,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label03.c [2019-11-06 19:04:10,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e33a19455/981722c7e9ef40c9aa8db8c0b2696934/FLAG4a1ac21d8 [2019-11-06 19:04:11,558 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 19:04:11,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label03.c [2019-11-06 19:04:11,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e33a19455/981722c7e9ef40c9aa8db8c0b2696934/FLAG4a1ac21d8 [2019-11-06 19:04:11,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e33a19455/981722c7e9ef40c9aa8db8c0b2696934 [2019-11-06 19:04:11,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 19:04:11,826 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 19:04:11,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 19:04:11,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 19:04:11,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 19:04:11,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:04:11" (1/1) ... [2019-11-06 19:04:11,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441ac9df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:11, skipping insertion in model container [2019-11-06 19:04:11,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:04:11" (1/1) ... [2019-11-06 19:04:11,843 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 19:04:11,906 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 19:04:12,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:04:12,430 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 19:04:12,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:04:12,563 INFO L192 MainTranslator]: Completed translation [2019-11-06 19:04:12,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:12 WrapperNode [2019-11-06 19:04:12,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 19:04:12,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 19:04:12,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 19:04:12,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 19:04:12,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:12" (1/1) ... [2019-11-06 19:04:12,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:12" (1/1) ... [2019-11-06 19:04:12,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:12" (1/1) ... [2019-11-06 19:04:12,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:12" (1/1) ... [2019-11-06 19:04:12,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:12" (1/1) ... [2019-11-06 19:04:12,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:12" (1/1) ... [2019-11-06 19:04:12,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:12" (1/1) ... [2019-11-06 19:04:12,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 19:04:12,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 19:04:12,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 19:04:12,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 19:04:12,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:12" (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 19:04:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 19:04:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 19:04:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 19:04:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 19:04:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 19:04:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 19:04:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 19:04:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 19:04:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 19:04:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 19:04:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 19:04:14,069 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 19:04:14,070 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 19:04:14,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:04:14 BoogieIcfgContainer [2019-11-06 19:04:14,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 19:04:14,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 19:04:14,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 19:04:14,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 19:04:14,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:04:11" (1/3) ... [2019-11-06 19:04:14,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de809da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:04:14, skipping insertion in model container [2019-11-06 19:04:14,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:04:12" (2/3) ... [2019-11-06 19:04:14,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de809da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:04:14, skipping insertion in model container [2019-11-06 19:04:14,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:04:14" (3/3) ... [2019-11-06 19:04:14,079 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label03.c [2019-11-06 19:04:14,089 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 19:04:14,097 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 19:04:14,108 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 19:04:14,135 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 19:04:14,135 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 19:04:14,135 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 19:04:14,136 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 19:04:14,137 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 19:04:14,137 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 19:04:14,137 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 19:04:14,137 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 19:04:14,165 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-11-06 19:04:14,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-06 19:04:14,176 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:04:14,177 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:04:14,179 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:04:14,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:04:14,185 INFO L82 PathProgramCache]: Analyzing trace with hash 871832311, now seen corresponding path program 1 times [2019-11-06 19:04:14,192 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:04:14,192 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394348565] [2019-11-06 19:04:14,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:04:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:14,525 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 19:04:14,526 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394348565] [2019-11-06 19:04:14,527 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:04:14,528 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 19:04:14,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848789900] [2019-11-06 19:04:14,538 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 19:04:14,538 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:04:14,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 19:04:14,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 19:04:14,556 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2019-11-06 19:04:16,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:04:16,484 INFO L93 Difference]: Finished difference Result 745 states and 1317 transitions. [2019-11-06 19:04:16,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 19:04:16,486 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2019-11-06 19:04:16,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:04:16,504 INFO L225 Difference]: With dead ends: 745 [2019-11-06 19:04:16,504 INFO L226 Difference]: Without dead ends: 447 [2019-11-06 19:04:16,514 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 19:04:16,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-11-06 19:04:16,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 296. [2019-11-06 19:04:16,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-11-06 19:04:16,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2019-11-06 19:04:16,589 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 42 [2019-11-06 19:04:16,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:04:16,590 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2019-11-06 19:04:16,590 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 19:04:16,590 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2019-11-06 19:04:16,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-06 19:04:16,596 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:04:16,596 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, 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] [2019-11-06 19:04:16,597 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:04:16,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:04:16,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1448018810, now seen corresponding path program 1 times [2019-11-06 19:04:16,597 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:04:16,598 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907438738] [2019-11-06 19:04:16,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:04:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:16,910 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:04:16,911 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907438738] [2019-11-06 19:04:16,911 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215342297] [2019-11-06 19:04:16,911 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 19:04:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:16,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:04:16,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:04:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:04:17,105 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:04:17,105 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 19:04:17,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300278250] [2019-11-06 19:04:17,113 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:04:17,114 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:04:17,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:04:17,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:04:17,115 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 3 states. [2019-11-06 19:04:17,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:04:17,772 INFO L93 Difference]: Finished difference Result 874 states and 1343 transitions. [2019-11-06 19:04:17,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:04:17,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-11-06 19:04:17,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:04:17,779 INFO L225 Difference]: With dead ends: 874 [2019-11-06 19:04:17,779 INFO L226 Difference]: Without dead ends: 584 [2019-11-06 19:04:17,781 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 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 19:04:17,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2019-11-06 19:04:17,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2019-11-06 19:04:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2019-11-06 19:04:17,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 806 transitions. [2019-11-06 19:04:17,819 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 806 transitions. Word has length 112 [2019-11-06 19:04:17,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:04:17,820 INFO L462 AbstractCegarLoop]: Abstraction has 584 states and 806 transitions. [2019-11-06 19:04:17,820 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:04:17,820 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 806 transitions. [2019-11-06 19:04:17,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-06 19:04:17,827 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:04:17,827 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, 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] [2019-11-06 19:04:18,030 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:04:18,031 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:04:18,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:04:18,032 INFO L82 PathProgramCache]: Analyzing trace with hash 444581905, now seen corresponding path program 1 times [2019-11-06 19:04:18,032 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:04:18,033 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409866575] [2019-11-06 19:04:18,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:04:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:18,302 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:04:18,302 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409866575] [2019-11-06 19:04:18,303 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:04:18,303 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 19:04:18,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538239618] [2019-11-06 19:04:18,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 19:04:18,304 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:04:18,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 19:04:18,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 19:04:18,305 INFO L87 Difference]: Start difference. First operand 584 states and 806 transitions. Second operand 9 states. [2019-11-06 19:04:20,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:04:20,141 INFO L93 Difference]: Finished difference Result 1490 states and 2155 transitions. [2019-11-06 19:04:20,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-06 19:04:20,142 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 123 [2019-11-06 19:04:20,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:04:20,149 INFO L225 Difference]: With dead ends: 1490 [2019-11-06 19:04:20,149 INFO L226 Difference]: Without dead ends: 912 [2019-11-06 19:04:20,151 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 19:04:20,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2019-11-06 19:04:20,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 749. [2019-11-06 19:04:20,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2019-11-06 19:04:20,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1011 transitions. [2019-11-06 19:04:20,192 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1011 transitions. Word has length 123 [2019-11-06 19:04:20,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:04:20,193 INFO L462 AbstractCegarLoop]: Abstraction has 749 states and 1011 transitions. [2019-11-06 19:04:20,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 19:04:20,193 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1011 transitions. [2019-11-06 19:04:20,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-11-06 19:04:20,202 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:04:20,202 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, 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, 1, 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 19:04:20,202 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:04:20,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:04:20,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1222816568, now seen corresponding path program 1 times [2019-11-06 19:04:20,203 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:04:20,203 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675277900] [2019-11-06 19:04:20,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:04:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 19:04:20,588 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675277900] [2019-11-06 19:04:20,589 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013630087] [2019-11-06 19:04:20,589 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 19:04:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:20,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:04:20,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:04:20,791 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:04:20,792 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 19:04:20,792 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2019-11-06 19:04:20,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877362102] [2019-11-06 19:04:20,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 19:04:20,794 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:04:20,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 19:04:20,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-11-06 19:04:20,795 INFO L87 Difference]: Start difference. First operand 749 states and 1011 transitions. Second operand 12 states. [2019-11-06 19:04:24,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:04:24,841 INFO L93 Difference]: Finished difference Result 2784 states and 4294 transitions. [2019-11-06 19:04:24,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-06 19:04:24,842 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 215 [2019-11-06 19:04:24,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:04:24,858 INFO L225 Difference]: With dead ends: 2784 [2019-11-06 19:04:24,858 INFO L226 Difference]: Without dead ends: 1262 [2019-11-06 19:04:24,866 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 228 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2019-11-06 19:04:24,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2019-11-06 19:04:24,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1093. [2019-11-06 19:04:24,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1093 states. [2019-11-06 19:04:24,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1500 transitions. [2019-11-06 19:04:24,933 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1500 transitions. Word has length 215 [2019-11-06 19:04:24,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:04:24,934 INFO L462 AbstractCegarLoop]: Abstraction has 1093 states and 1500 transitions. [2019-11-06 19:04:24,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-06 19:04:24,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1500 transitions. [2019-11-06 19:04:24,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-11-06 19:04:24,942 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:04:24,943 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:04:25,146 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:04:25,147 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:04:25,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:04:25,147 INFO L82 PathProgramCache]: Analyzing trace with hash 673769705, now seen corresponding path program 1 times [2019-11-06 19:04:25,148 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:04:25,148 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774637224] [2019-11-06 19:04:25,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:04:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:25,429 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-11-06 19:04:25,430 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774637224] [2019-11-06 19:04:25,430 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531924648] [2019-11-06 19:04:25,431 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 19:04:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:04:25,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:04:25,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:04:25,655 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-11-06 19:04:25,655 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:04:25,656 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2019-11-06 19:04:25,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909088131] [2019-11-06 19:04:25,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:04:25,657 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:04:25,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:04:25,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 19:04:25,658 INFO L87 Difference]: Start difference. First operand 1093 states and 1500 transitions. Second operand 3 states. [2019-11-06 19:04:25,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:04:25,954 INFO L93 Difference]: Finished difference Result 1093 states and 1500 transitions. [2019-11-06 19:04:25,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:04:25,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2019-11-06 19:04:25,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:04:25,955 INFO L225 Difference]: With dead ends: 1093 [2019-11-06 19:04:25,956 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 19:04:25,960 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 249 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 19:04:25,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 19:04:25,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 19:04:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 19:04:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 19:04:25,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 240 [2019-11-06 19:04:25,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:04:25,961 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 19:04:25,962 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:04:25,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 19:04:25,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 19:04:26,165 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:04:26,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 19:04:26,674 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 36 [2019-11-06 19:04:26,796 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 19:04:26,797 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 19:04:26,797 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 19:04:26,797 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-06 19:04:26,797 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,797 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,797 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,798 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,798 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,798 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,798 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-06 19:04:26,798 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-06 19:04:26,798 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-06 19:04:26,798 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-06 19:04:26,798 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-06 19:04:26,799 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-06 19:04:26,799 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-06 19:04:26,799 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-06 19:04:26,799 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-06 19:04:26,799 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-06 19:04:26,799 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-06 19:04:26,799 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,800 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,800 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,800 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,800 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,800 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-06 19:04:26,800 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-06 19:04:26,800 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-06 19:04:26,800 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-06 19:04:26,801 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-06 19:04:26,801 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-06 19:04:26,801 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-06 19:04:26,801 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-06 19:04:26,801 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-06 19:04:26,801 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-06 19:04:26,801 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-06 19:04:26,802 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-06 19:04:26,802 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-06 19:04:26,802 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-06 19:04:26,802 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,802 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,802 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,802 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,802 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,803 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-06 19:04:26,803 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-06 19:04:26,803 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-06 19:04:26,803 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-06 19:04:26,803 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-06 19:04:26,803 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-06 19:04:26,803 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-06 19:04:26,803 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-06 19:04:26,803 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-06 19:04:26,804 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-06 19:04:26,804 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,804 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,804 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,804 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,804 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,804 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-06 19:04:26,805 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-06 19:04:26,805 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-06 19:04:26,805 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-06 19:04:26,805 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-06 19:04:26,805 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-06 19:04:26,805 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-06 19:04:26,805 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-06 19:04:26,805 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-06 19:04:26,806 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-06 19:04:26,806 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-06 19:04:26,806 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-06 19:04:26,806 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-06 19:04:26,806 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,806 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,806 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,806 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,807 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,807 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-06 19:04:26,807 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-06 19:04:26,807 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-06 19:04:26,807 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-06 19:04:26,807 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-06 19:04:26,807 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-06 19:04:26,807 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-06 19:04:26,807 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-06 19:04:26,808 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-06 19:04:26,808 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,808 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,808 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,808 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,808 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,808 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,809 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,809 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-06 19:04:26,809 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-06 19:04:26,809 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-06 19:04:26,809 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-06 19:04:26,809 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-06 19:04:26,809 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-06 19:04:26,809 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-06 19:04:26,810 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-06 19:04:26,810 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-06 19:04:26,810 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-06 19:04:26,811 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-06 19:04:26,811 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-06 19:04:26,812 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-06 19:04:26,812 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,812 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,812 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,812 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,812 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-06 19:04:26,812 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,813 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,813 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-06 19:04:26,813 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-06 19:04:26,813 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-06 19:04:26,813 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-06 19:04:26,813 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-06 19:04:26,813 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-06 19:04:26,813 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-06 19:04:26,814 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-06 19:04:26,817 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-06 19:04:26,817 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-06 19:04:26,817 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-06 19:04:26,817 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-06 19:04:26,817 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-06 19:04:26,818 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,818 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,818 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,818 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,818 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,818 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,818 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-06 19:04:26,818 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-06 19:04:26,818 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-06 19:04:26,819 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-06 19:04:26,819 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-06 19:04:26,819 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-06 19:04:26,819 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-06 19:04:26,819 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-06 19:04:26,819 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-06 19:04:26,819 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-06 19:04:26,819 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-06 19:04:26,823 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse5 (= ~a1~0 |old(~a1~0)|)) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse5 .cse3 .cse4)) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= 0 ~a12~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 9 |old(~a19~0)|))) (or (not (<= 2 |old(~a10~0)|)) .cse1 .cse0 .cse2) (or .cse0 .cse1 .cse2 (not (<= |old(~a10~0)| 0))) (or (not (< 0 (+ |old(~a1~0)| 13))) .cse1 .cse2 (and .cse3 .cse4 .cse5))))) [2019-11-06 19:04:26,823 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-06 19:04:26,823 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-06 19:04:26,823 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-06 19:04:26,823 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,823 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,823 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,823 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,823 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,823 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,823 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-06 19:04:26,824 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-06 19:04:26,824 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-06 19:04:26,824 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-06 19:04:26,824 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-06 19:04:26,824 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-06 19:04:26,824 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-06 19:04:26,824 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-06 19:04:26,824 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-06 19:04:26,824 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-06 19:04:26,824 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-06 19:04:26,824 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-06 19:04:26,825 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-06 19:04:26,825 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,825 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,825 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,825 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,825 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,825 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,825 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-06 19:04:26,826 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-06 19:04:26,826 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-06 19:04:26,826 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-06 19:04:26,826 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-06 19:04:26,826 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-06 19:04:26,826 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-06 19:04:26,826 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-06 19:04:26,826 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-06 19:04:26,826 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-06 19:04:26,826 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-06 19:04:26,826 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-06 19:04:26,826 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,826 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2019-11-06 19:04:26,827 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,827 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,827 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,827 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,827 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:04:26,827 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-06 19:04:26,827 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-06 19:04:26,827 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-06 19:04:26,827 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-06 19:04:26,827 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-06 19:04:26,827 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-06 19:04:26,827 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-06 19:04:26,828 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-06 19:04:26,828 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-06 19:04:26,828 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-06 19:04:26,828 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-06 19:04:26,829 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-06 19:04:26,829 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 19:04:26,829 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (= 14 ~a4~0) (= ~a12~0 0) (<= ~a10~0 0) (<= 9 ~a19~0)) [2019-11-06 19:04:26,829 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 19:04:26,829 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 19:04:26,829 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(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-11-06 19:04:26,829 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-11-06 19:04:26,829 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (< 0 (+ ~a1~0 13)) (not (= 1 ~a10~0)) (not (<= 23 |old(~a1~0)|)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (<= 9 ~a19~0)) [2019-11-06 19:04:26,829 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-11-06 19:04:26,829 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-06 19:04:26,829 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (< 0 (+ ~a1~0 13)) (not (= 1 ~a10~0)) (not (<= 23 |old(~a1~0)|)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (<= 9 ~a19~0)) [2019-11-06 19:04:26,830 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-11-06 19:04:26,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 07:04:26 BoogieIcfgContainer [2019-11-06 19:04:26,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 19:04:26,852 INFO L168 Benchmark]: Toolchain (without parser) took 15025.71 ms. Allocated memory was 139.5 MB in the beginning and 408.4 MB in the end (delta: 269.0 MB). Free memory was 101.3 MB in the beginning and 158.0 MB in the end (delta: -56.7 MB). Peak memory consumption was 212.2 MB. Max. memory is 7.1 GB. [2019-11-06 19:04:26,852 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 19:04:26,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.46 ms. Allocated memory was 139.5 MB in the beginning and 206.0 MB in the end (delta: 66.6 MB). Free memory was 101.1 MB in the beginning and 171.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2019-11-06 19:04:26,860 INFO L168 Benchmark]: Boogie Preprocessor took 98.67 ms. Allocated memory is still 206.0 MB. Free memory was 171.2 MB in the beginning and 166.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-11-06 19:04:26,861 INFO L168 Benchmark]: RCFGBuilder took 1406.85 ms. Allocated memory was 206.0 MB in the beginning and 238.0 MB in the end (delta: 32.0 MB). Free memory was 166.4 MB in the beginning and 180.4 MB in the end (delta: -14.0 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. [2019-11-06 19:04:26,865 INFO L168 Benchmark]: TraceAbstraction took 12777.20 ms. Allocated memory was 238.0 MB in the beginning and 408.4 MB in the end (delta: 170.4 MB). Free memory was 180.4 MB in the beginning and 158.0 MB in the end (delta: 22.4 MB). Peak memory consumption was 192.8 MB. Max. memory is 7.1 GB. [2019-11-06 19:04:26,869 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 738.46 ms. Allocated memory was 139.5 MB in the beginning and 206.0 MB in the end (delta: 66.6 MB). Free memory was 101.1 MB in the beginning and 171.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.67 ms. Allocated memory is still 206.0 MB. Free memory was 171.2 MB in the beginning and 166.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1406.85 ms. Allocated memory was 206.0 MB in the beginning and 238.0 MB in the end (delta: 32.0 MB). Free memory was 166.4 MB in the beginning and 180.4 MB in the end (delta: -14.0 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12777.20 ms. Allocated memory was 238.0 MB in the beginning and 408.4 MB in the end (delta: 170.4 MB). Free memory was 180.4 MB in the beginning and 158.0 MB in the end (delta: 22.4 MB). Peak memory consumption was 192.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 112]: 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 || !(1 == a10)) || !(23 <= \old(a1))) || !(14 == a4)) || !(0 == a12)) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || 9 <= a19 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Result: SAFE, OverallTime: 12.6s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 348 SDtfs, 2853 SDslu, 195 SDs, 0 SdLazy, 5310 SolverSat, 1168 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 653 GetRequests, 598 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1093occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 483 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 50 PreInvPairs, 114 NumberOfFragments, 240 HoareAnnotationTreeSize, 50 FomulaSimplifications, 7531 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1136 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1299 NumberOfCodeBlocks, 1299 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1291 ConstructedInterpolants, 0 QuantifiedInterpolants, 548655 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1047 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 676/683 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...