java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 22:01:50,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 22:01:50,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 22:01:50,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 22:01:50,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 22:01:50,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 22:01:50,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 22:01:50,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 22:01:50,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 22:01:50,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 22:01:50,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 22:01:50,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 22:01:50,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 22:01:50,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 22:01:50,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 22:01:50,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 22:01:50,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 22:01:50,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 22:01:50,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 22:01:50,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 22:01:50,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 22:01:50,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 22:01:50,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 22:01:50,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 22:01:50,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 22:01:50,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 22:01:50,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 22:01:50,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 22:01:50,980 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 [2019-10-14 22:01:50,996 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 22:01:50,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 22:01:50,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 22:01:50,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 22:01:50,998 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 22:01:50,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 22:01:50,998 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 22:01:50,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 22:01:50,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 22:01:50,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 22:01:50,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 22:01:50,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 22:01:50,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 22:01:50,999 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 22:01:51,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 22:01:51,000 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 22:01:51,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 22:01:51,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 22:01:51,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 22:01:51,001 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 22:01:51,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 22:01:51,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:01:51,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 22:01:51,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 22:01:51,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 22:01:51,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 22:01:51,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 22:01:51,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 22:01:51,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 22:01:51,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 22:01:51,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 22:01:51,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 22:01:51,304 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 22:01:51,304 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 22:01:51,305 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2019-10-14 22:01:51,383 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49c01a6f6/1e34312e279a45bfa0add4dbe06a6a42/FLAG67cf77b49 [2019-10-14 22:01:51,977 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 22:01:51,982 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2019-10-14 22:01:52,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49c01a6f6/1e34312e279a45bfa0add4dbe06a6a42/FLAG67cf77b49 [2019-10-14 22:01:52,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49c01a6f6/1e34312e279a45bfa0add4dbe06a6a42 [2019-10-14 22:01:52,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 22:01:52,305 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 22:01:52,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 22:01:52,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 22:01:52,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 22:01:52,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:01:52" (1/1) ... [2019-10-14 22:01:52,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5171f16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:52, skipping insertion in model container [2019-10-14 22:01:52,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:01:52" (1/1) ... [2019-10-14 22:01:52,323 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 22:01:52,391 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 22:01:53,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:01:53,053 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 22:01:53,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:01:53,210 INFO L192 MainTranslator]: Completed translation [2019-10-14 22:01:53,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:53 WrapperNode [2019-10-14 22:01:53,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 22:01:53,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 22:01:53,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 22:01:53,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 22:01:53,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:53" (1/1) ... [2019-10-14 22:01:53,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:53" (1/1) ... [2019-10-14 22:01:53,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:53" (1/1) ... [2019-10-14 22:01:53,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:53" (1/1) ... [2019-10-14 22:01:53,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:53" (1/1) ... [2019-10-14 22:01:53,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:53" (1/1) ... [2019-10-14 22:01:53,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:53" (1/1) ... [2019-10-14 22:01:53,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 22:01:53,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 22:01:53,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 22:01:53,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 22:01:53,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:53" (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 [2019-10-14 22:01:53,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 22:01:53,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 22:01:53,424 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 22:01:53,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 22:01:53,425 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 22:01:53,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 22:01:53,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 22:01:53,425 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 22:01:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 22:01:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 22:01:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 22:01:55,202 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 22:01:55,202 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 22:01:55,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:01:55 BoogieIcfgContainer [2019-10-14 22:01:55,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 22:01:55,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 22:01:55,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 22:01:55,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 22:01:55,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:01:52" (1/3) ... [2019-10-14 22:01:55,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7001a23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:01:55, skipping insertion in model container [2019-10-14 22:01:55,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:53" (2/3) ... [2019-10-14 22:01:55,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7001a23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:01:55, skipping insertion in model container [2019-10-14 22:01:55,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:01:55" (3/3) ... [2019-10-14 22:01:55,213 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label30.c [2019-10-14 22:01:55,225 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 22:01:55,234 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 22:01:55,246 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 22:01:55,277 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 22:01:55,277 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 22:01:55,278 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 22:01:55,281 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 22:01:55,282 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 22:01:55,282 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 22:01:55,282 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 22:01:55,282 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 22:01:55,307 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2019-10-14 22:01:55,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-14 22:01:55,317 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:01:55,318 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:01:55,320 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:01:55,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:01:55,327 INFO L82 PathProgramCache]: Analyzing trace with hash 2061919546, now seen corresponding path program 1 times [2019-10-14 22:01:55,337 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:01:55,337 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127625978] [2019-10-14 22:01:55,338 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:01:55,338 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:01:55,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:01:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:01:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:01:55,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 22:01:55,766 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127625978] [2019-10-14 22:01:55,767 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:01:55,767 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 22:01:55,767 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685714820] [2019-10-14 22:01:55,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 22:01:55,773 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:01:55,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 22:01:55,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 22:01:55,791 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2019-10-14 22:01:58,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:01:58,504 INFO L93 Difference]: Finished difference Result 902 states and 1627 transitions. [2019-10-14 22:01:58,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-14 22:01:58,506 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2019-10-14 22:01:58,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:01:58,526 INFO L225 Difference]: With dead ends: 902 [2019-10-14 22:01:58,527 INFO L226 Difference]: Without dead ends: 564 [2019-10-14 22:01:58,536 INFO L600 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 [2019-10-14 22:01:58,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-10-14 22:01:58,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2019-10-14 22:01:58,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2019-10-14 22:01:58,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 782 transitions. [2019-10-14 22:01:58,629 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 782 transitions. Word has length 49 [2019-10-14 22:01:58,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:01:58,630 INFO L462 AbstractCegarLoop]: Abstraction has 560 states and 782 transitions. [2019-10-14 22:01:58,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 22:01:58,631 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 782 transitions. [2019-10-14 22:01:58,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-14 22:01:58,639 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:01:58,640 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:01:58,640 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:01:58,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:01:58,641 INFO L82 PathProgramCache]: Analyzing trace with hash -2076137238, now seen corresponding path program 1 times [2019-10-14 22:01:58,641 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:01:58,641 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890455383] [2019-10-14 22:01:58,641 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:01:58,642 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:01:58,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:01:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:01:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:01:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:01:58,916 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 22:01:58,918 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890455383] [2019-10-14 22:01:58,918 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156914571] [2019-10-14 22:01:58,918 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 [2019-10-14 22:01:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:01:59,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 22:01:59,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:01:59,136 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 22:01:59,137 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 22:01:59,137 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-14 22:01:59,138 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588757928] [2019-10-14 22:01:59,140 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 22:01:59,140 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:01:59,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 22:01:59,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:01:59,141 INFO L87 Difference]: Start difference. First operand 560 states and 782 transitions. Second operand 3 states. [2019-10-14 22:02:00,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:02:00,131 INFO L93 Difference]: Finished difference Result 1666 states and 2358 transitions. [2019-10-14 22:02:00,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 22:02:00,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-10-14 22:02:00,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:02:00,140 INFO L225 Difference]: With dead ends: 1666 [2019-10-14 22:02:00,140 INFO L226 Difference]: Without dead ends: 1112 [2019-10-14 22:02:00,143 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:02:00,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2019-10-14 22:02:00,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2019-10-14 22:02:00,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2019-10-14 22:02:00,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1515 transitions. [2019-10-14 22:02:00,209 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1515 transitions. Word has length 161 [2019-10-14 22:02:00,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:02:00,210 INFO L462 AbstractCegarLoop]: Abstraction has 1112 states and 1515 transitions. [2019-10-14 22:02:00,210 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 22:02:00,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1515 transitions. [2019-10-14 22:02:00,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-14 22:02:00,215 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:02:00,215 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:02:00,442 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:02:00,443 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:02:00,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:02:00,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1900097298, now seen corresponding path program 1 times [2019-10-14 22:02:00,445 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:02:00,446 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828504141] [2019-10-14 22:02:00,446 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:02:00,446 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:02:00,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:02:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:00,725 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 22:02:00,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828504141] [2019-10-14 22:02:00,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32450388] [2019-10-14 22:02:00,726 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 [2019-10-14 22:02:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:00,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 22:02:00,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:02:00,849 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 22:02:00,850 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 22:02:00,850 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-14 22:02:00,850 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553857954] [2019-10-14 22:02:00,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 22:02:00,851 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:02:00,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 22:02:00,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:02:00,852 INFO L87 Difference]: Start difference. First operand 1112 states and 1515 transitions. Second operand 3 states. [2019-10-14 22:02:01,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:02:01,697 INFO L93 Difference]: Finished difference Result 3138 states and 4371 transitions. [2019-10-14 22:02:01,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 22:02:01,697 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2019-10-14 22:02:01,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:02:01,710 INFO L225 Difference]: With dead ends: 3138 [2019-10-14 22:02:01,711 INFO L226 Difference]: Without dead ends: 2032 [2019-10-14 22:02:01,714 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 182 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:02:01,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2032 states. [2019-10-14 22:02:01,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2032 to 2032. [2019-10-14 22:02:01,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2032 states. [2019-10-14 22:02:01,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2695 transitions. [2019-10-14 22:02:01,786 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2695 transitions. Word has length 179 [2019-10-14 22:02:01,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:02:01,787 INFO L462 AbstractCegarLoop]: Abstraction has 2032 states and 2695 transitions. [2019-10-14 22:02:01,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 22:02:01,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2695 transitions. [2019-10-14 22:02:01,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-10-14 22:02:01,793 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:02:01,793 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:02:01,998 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:02:01,998 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:02:01,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:02:01,999 INFO L82 PathProgramCache]: Analyzing trace with hash -2023015511, now seen corresponding path program 1 times [2019-10-14 22:02:02,000 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:02:02,000 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605704996] [2019-10-14 22:02:02,000 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:02:02,000 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:02:02,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:02:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:02,312 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-14 22:02:02,312 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605704996] [2019-10-14 22:02:02,313 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841307428] [2019-10-14 22:02:02,313 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 [2019-10-14 22:02:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:02,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 22:02:02,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:02:02,480 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-14 22:02:02,481 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 22:02:02,481 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-14 22:02:02,482 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920553489] [2019-10-14 22:02:02,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 22:02:02,483 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:02:02,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 22:02:02,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:02:02,485 INFO L87 Difference]: Start difference. First operand 2032 states and 2695 transitions. Second operand 3 states. [2019-10-14 22:02:03,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:02:03,355 INFO L93 Difference]: Finished difference Result 4792 states and 6475 transitions. [2019-10-14 22:02:03,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 22:02:03,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2019-10-14 22:02:03,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:02:03,372 INFO L225 Difference]: With dead ends: 4792 [2019-10-14 22:02:03,372 INFO L226 Difference]: Without dead ends: 2766 [2019-10-14 22:02:03,377 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 239 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:02:03,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2766 states. [2019-10-14 22:02:03,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2766 to 2766. [2019-10-14 22:02:03,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2766 states. [2019-10-14 22:02:03,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 3606 transitions. [2019-10-14 22:02:03,473 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 3606 transitions. Word has length 234 [2019-10-14 22:02:03,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:02:03,474 INFO L462 AbstractCegarLoop]: Abstraction has 2766 states and 3606 transitions. [2019-10-14 22:02:03,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 22:02:03,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3606 transitions. [2019-10-14 22:02:03,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-10-14 22:02:03,485 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:02:03,485 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:02:03,689 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:02:03,690 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:02:03,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:02:03,690 INFO L82 PathProgramCache]: Analyzing trace with hash 51520441, now seen corresponding path program 1 times [2019-10-14 22:02:03,690 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:02:03,691 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406276431] [2019-10-14 22:02:03,691 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:02:03,691 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:02:03,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:02:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:04,005 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 22:02:04,005 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406276431] [2019-10-14 22:02:04,005 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917426505] [2019-10-14 22:02:04,006 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 [2019-10-14 22:02:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:04,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 22:02:04,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:02:04,166 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 22:02:04,166 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 22:02:04,167 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-14 22:02:04,167 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716331357] [2019-10-14 22:02:04,168 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 22:02:04,168 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:02:04,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 22:02:04,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 22:02:04,169 INFO L87 Difference]: Start difference. First operand 2766 states and 3606 transitions. Second operand 11 states. [2019-10-14 22:02:07,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:02:07,724 INFO L93 Difference]: Finished difference Result 6888 states and 10127 transitions. [2019-10-14 22:02:07,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-14 22:02:07,725 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 258 [2019-10-14 22:02:07,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:02:07,764 INFO L225 Difference]: With dead ends: 6888 [2019-10-14 22:02:07,765 INFO L226 Difference]: Without dead ends: 4310 [2019-10-14 22:02:07,773 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 267 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2019-10-14 22:02:07,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4310 states. [2019-10-14 22:02:07,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4310 to 4194. [2019-10-14 22:02:07,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4194 states. [2019-10-14 22:02:07,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4194 states to 4194 states and 5850 transitions. [2019-10-14 22:02:07,940 INFO L78 Accepts]: Start accepts. Automaton has 4194 states and 5850 transitions. Word has length 258 [2019-10-14 22:02:07,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:02:07,941 INFO L462 AbstractCegarLoop]: Abstraction has 4194 states and 5850 transitions. [2019-10-14 22:02:07,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 22:02:07,941 INFO L276 IsEmpty]: Start isEmpty. Operand 4194 states and 5850 transitions. [2019-10-14 22:02:07,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2019-10-14 22:02:07,950 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:02:07,950 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-14 22:02:08,163 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:02:08,164 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:02:08,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:02:08,165 INFO L82 PathProgramCache]: Analyzing trace with hash 767399401, now seen corresponding path program 1 times [2019-10-14 22:02:08,165 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:02:08,166 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827182748] [2019-10-14 22:02:08,166 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:02:08,166 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:02:08,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:02:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:08,417 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-14 22:02:08,417 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827182748] [2019-10-14 22:02:08,418 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384975540] [2019-10-14 22:02:08,418 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 [2019-10-14 22:02:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:08,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 22:02:08,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:02:08,628 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-14 22:02:08,628 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 22:02:08,629 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-14 22:02:08,629 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630391186] [2019-10-14 22:02:08,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 22:02:08,630 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:02:08,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 22:02:08,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:02:08,631 INFO L87 Difference]: Start difference. First operand 4194 states and 5850 transitions. Second operand 3 states. [2019-10-14 22:02:09,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:02:09,708 INFO L93 Difference]: Finished difference Result 8404 states and 12063 transitions. [2019-10-14 22:02:09,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 22:02:09,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 266 [2019-10-14 22:02:09,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:02:09,741 INFO L225 Difference]: With dead ends: 8404 [2019-10-14 22:02:09,741 INFO L226 Difference]: Without dead ends: 4582 [2019-10-14 22:02:09,763 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 271 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:02:09,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2019-10-14 22:02:09,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 4392. [2019-10-14 22:02:09,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4392 states. [2019-10-14 22:02:09,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4392 states to 4392 states and 6310 transitions. [2019-10-14 22:02:09,909 INFO L78 Accepts]: Start accepts. Automaton has 4392 states and 6310 transitions. Word has length 266 [2019-10-14 22:02:09,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:02:09,909 INFO L462 AbstractCegarLoop]: Abstraction has 4392 states and 6310 transitions. [2019-10-14 22:02:09,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 22:02:09,910 INFO L276 IsEmpty]: Start isEmpty. Operand 4392 states and 6310 transitions. [2019-10-14 22:02:09,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-10-14 22:02:09,922 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:02:09,922 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-14 22:02:10,134 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:02:10,135 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:02:10,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:02:10,135 INFO L82 PathProgramCache]: Analyzing trace with hash 99176805, now seen corresponding path program 1 times [2019-10-14 22:02:10,135 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:02:10,136 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747161773] [2019-10-14 22:02:10,136 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:02:10,136 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:02:10,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:02:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:10,457 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2019-10-14 22:02:10,458 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747161773] [2019-10-14 22:02:10,458 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563347124] [2019-10-14 22:02:10,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:02:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:10,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 22:02:10,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:02:10,655 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2019-10-14 22:02:10,656 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 22:02:10,656 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-14 22:02:10,657 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379567388] [2019-10-14 22:02:10,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 22:02:10,658 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:02:10,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 22:02:10,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:02:10,659 INFO L87 Difference]: Start difference. First operand 4392 states and 6310 transitions. Second operand 3 states. [2019-10-14 22:02:11,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:02:11,478 INFO L93 Difference]: Finished difference Result 6296 states and 9494 transitions. [2019-10-14 22:02:11,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 22:02:11,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 280 [2019-10-14 22:02:11,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:02:11,519 INFO L225 Difference]: With dead ends: 6296 [2019-10-14 22:02:11,519 INFO L226 Difference]: Without dead ends: 6294 [2019-10-14 22:02:11,526 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 285 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:02:11,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6294 states. [2019-10-14 22:02:11,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6294 to 4608. [2019-10-14 22:02:11,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4608 states. [2019-10-14 22:02:11,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4608 states to 4608 states and 6893 transitions. [2019-10-14 22:02:11,766 INFO L78 Accepts]: Start accepts. Automaton has 4608 states and 6893 transitions. Word has length 280 [2019-10-14 22:02:11,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:02:11,767 INFO L462 AbstractCegarLoop]: Abstraction has 4608 states and 6893 transitions. [2019-10-14 22:02:11,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 22:02:11,767 INFO L276 IsEmpty]: Start isEmpty. Operand 4608 states and 6893 transitions. [2019-10-14 22:02:11,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-10-14 22:02:11,778 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:02:11,778 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:02:11,982 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:02:11,982 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:02:11,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:02:11,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1113544198, now seen corresponding path program 1 times [2019-10-14 22:02:11,983 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:02:11,983 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125514633] [2019-10-14 22:02:11,984 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:02:11,984 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:02:11,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:02:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:12,319 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 22:02:12,320 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125514633] [2019-10-14 22:02:12,320 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910743994] [2019-10-14 22:02:12,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:02:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:12,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 22:02:12,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:02:12,505 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 22:02:12,505 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 22:02:12,505 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-14 22:02:12,506 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354286722] [2019-10-14 22:02:12,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 22:02:12,507 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:02:12,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 22:02:12,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 22:02:12,508 INFO L87 Difference]: Start difference. First operand 4608 states and 6893 transitions. Second operand 11 states. [2019-10-14 22:02:17,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:02:17,092 INFO L93 Difference]: Finished difference Result 13402 states and 24258 transitions. [2019-10-14 22:02:17,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-14 22:02:17,093 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 285 [2019-10-14 22:02:17,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:02:17,201 INFO L225 Difference]: With dead ends: 13402 [2019-10-14 22:02:17,201 INFO L226 Difference]: Without dead ends: 7598 [2019-10-14 22:02:17,252 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 295 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2019-10-14 22:02:17,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7598 states. [2019-10-14 22:02:17,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7598 to 6556. [2019-10-14 22:02:17,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6556 states. [2019-10-14 22:02:17,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6556 states to 6556 states and 10393 transitions. [2019-10-14 22:02:17,718 INFO L78 Accepts]: Start accepts. Automaton has 6556 states and 10393 transitions. Word has length 285 [2019-10-14 22:02:17,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:02:17,718 INFO L462 AbstractCegarLoop]: Abstraction has 6556 states and 10393 transitions. [2019-10-14 22:02:17,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 22:02:17,719 INFO L276 IsEmpty]: Start isEmpty. Operand 6556 states and 10393 transitions. [2019-10-14 22:02:17,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-10-14 22:02:17,743 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:02:17,743 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-14 22:02:17,952 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:02:17,953 INFO L410 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:02:17,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:02:17,953 INFO L82 PathProgramCache]: Analyzing trace with hash -875343054, now seen corresponding path program 1 times [2019-10-14 22:02:17,953 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:02:17,953 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762181173] [2019-10-14 22:02:17,954 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:02:17,954 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:02:17,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:02:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 187 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-14 22:02:18,577 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762181173] [2019-10-14 22:02:18,577 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061197788] [2019-10-14 22:02:18,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:02:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:18,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 22:02:18,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:02:18,800 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 22:02:18,800 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 22:02:18,801 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-10-14 22:02:18,801 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423907321] [2019-10-14 22:02:18,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 22:02:18,802 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:02:18,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 22:02:18,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 22:02:18,803 INFO L87 Difference]: Start difference. First operand 6556 states and 10393 transitions. Second operand 11 states. [2019-10-14 22:02:20,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:02:20,821 INFO L93 Difference]: Finished difference Result 11174 states and 17838 transitions. [2019-10-14 22:02:20,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 22:02:20,821 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 311 [2019-10-14 22:02:20,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:02:20,848 INFO L225 Difference]: With dead ends: 11174 [2019-10-14 22:02:20,849 INFO L226 Difference]: Without dead ends: 4990 [2019-10-14 22:02:20,894 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 314 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2019-10-14 22:02:20,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4990 states. [2019-10-14 22:02:21,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4990 to 4816. [2019-10-14 22:02:21,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4816 states. [2019-10-14 22:02:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4816 states to 4816 states and 6215 transitions. [2019-10-14 22:02:21,041 INFO L78 Accepts]: Start accepts. Automaton has 4816 states and 6215 transitions. Word has length 311 [2019-10-14 22:02:21,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:02:21,042 INFO L462 AbstractCegarLoop]: Abstraction has 4816 states and 6215 transitions. [2019-10-14 22:02:21,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 22:02:21,042 INFO L276 IsEmpty]: Start isEmpty. Operand 4816 states and 6215 transitions. [2019-10-14 22:02:21,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-10-14 22:02:21,053 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:02:21,054 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-14 22:02:21,259 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:02:21,259 INFO L410 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:02:21,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:02:21,260 INFO L82 PathProgramCache]: Analyzing trace with hash 771497289, now seen corresponding path program 1 times [2019-10-14 22:02:21,261 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:02:21,261 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897980572] [2019-10-14 22:02:21,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:02:21,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:02:21,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:02:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:21,550 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2019-10-14 22:02:21,551 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897980572] [2019-10-14 22:02:21,551 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202423883] [2019-10-14 22:02:21,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:02:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:02:21,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 22:02:21,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:02:21,716 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2019-10-14 22:02:21,717 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 22:02:21,717 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-14 22:02:21,717 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700169897] [2019-10-14 22:02:21,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 22:02:21,718 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:02:21,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 22:02:21,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:02:21,719 INFO L87 Difference]: Start difference. First operand 4816 states and 6215 transitions. Second operand 3 states. [2019-10-14 22:02:22,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:02:22,385 INFO L93 Difference]: Finished difference Result 4816 states and 6215 transitions. [2019-10-14 22:02:22,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 22:02:22,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 314 [2019-10-14 22:02:22,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:02:22,388 INFO L225 Difference]: With dead ends: 4816 [2019-10-14 22:02:22,388 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 22:02:22,396 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 319 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:02:22,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 22:02:22,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 22:02:22,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 22:02:22,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 22:02:22,397 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 314 [2019-10-14 22:02:22,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:02:22,398 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 22:02:22,398 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 22:02:22,398 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 22:02:22,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 22:02:22,609 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:02:22,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 22:02:23,191 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 29 [2019-10-14 22:02:23,385 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 29 [2019-10-14 22:02:23,810 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 30 [2019-10-14 22:02:23,943 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 22:02:23,944 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a24~0 |old(~a24~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) [2019-10-14 22:02:23,944 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 22:02:23,944 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-10-14 22:02:23,945 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-10-14 22:02:23,945 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,945 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,945 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,945 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-10-14 22:02:23,946 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-14 22:02:23,946 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-14 22:02:23,946 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-14 22:02:23,947 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-10-14 22:02:23,947 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-10-14 22:02:23,947 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-10-14 22:02:23,947 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-10-14 22:02:23,947 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,948 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,948 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,948 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-10-14 22:02:23,949 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-10-14 22:02:23,949 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-14 22:02:23,949 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-14 22:02:23,949 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-14 22:02:23,949 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-10-14 22:02:23,949 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-10-14 22:02:23,949 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-10-14 22:02:23,949 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,949 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,949 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,950 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-10-14 22:02:23,950 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-14 22:02:23,950 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-14 22:02:23,950 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-14 22:02:23,950 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-10-14 22:02:23,950 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-10-14 22:02:23,950 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-10-14 22:02:23,951 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-10-14 22:02:23,951 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-10-14 22:02:23,951 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,951 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,954 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,954 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-10-14 22:02:23,954 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-14 22:02:23,954 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-14 22:02:23,955 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-14 22:02:23,955 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-10-14 22:02:23,955 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-10-14 22:02:23,955 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-10-14 22:02:23,955 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,955 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,955 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,956 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-10-14 22:02:23,956 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-14 22:02:23,956 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-14 22:02:23,956 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-14 22:02:23,956 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-10-14 22:02:23,956 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-10-14 22:02:23,956 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-10-14 22:02:23,956 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-10-14 22:02:23,956 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-10-14 22:02:23,956 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,957 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,957 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,957 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,957 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-10-14 22:02:23,957 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-14 22:02:23,957 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-14 22:02:23,957 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-14 22:02:23,957 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-10-14 22:02:23,958 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-10-14 22:02:23,958 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-10-14 22:02:23,958 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-10-14 22:02:23,958 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,958 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,958 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,958 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-14 22:02:23,958 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-14 22:02:23,959 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-14 22:02:23,959 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-10-14 22:02:23,959 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-10-14 22:02:23,959 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-10-14 22:02:23,959 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-10-14 22:02:23,959 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-10-14 22:02:23,959 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,959 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,959 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,959 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-10-14 22:02:23,960 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-10-14 22:02:23,960 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-14 22:02:23,960 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-14 22:02:23,960 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-14 22:02:23,960 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-10-14 22:02:23,961 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or (not (<= |old(~a15~0)| 5)) .cse0) (or (not (<= 7 |old(~a15~0)|)) .cse0) (or (not (<= |old(~a21~0)| 6)) .cse0) (or (not (<= 8 |old(~a21~0)|)) .cse0))) [2019-10-14 22:02:23,961 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-10-14 22:02:23,961 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-10-14 22:02:23,961 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,961 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,961 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,962 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-14 22:02:23,962 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-14 22:02:23,962 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-14 22:02:23,962 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-10-14 22:02:23,962 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-10-14 22:02:23,962 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-10-14 22:02:23,962 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-10-14 22:02:23,962 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-10-14 22:02:23,962 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,962 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,963 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,963 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-10-14 22:02:23,963 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-10-14 22:02:23,963 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-14 22:02:23,963 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-14 22:02:23,963 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-14 22:02:23,963 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-10-14 22:02:23,963 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-10-14 22:02:23,964 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-10-14 22:02:23,964 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,964 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,964 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,964 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-10-14 22:02:23,964 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-14 22:02:23,964 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-14 22:02:23,964 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-14 22:02:23,964 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-10-14 22:02:23,964 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-10-14 22:02:23,965 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-10-14 22:02:23,965 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-10-14 22:02:23,965 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,965 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,965 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,965 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-10-14 22:02:23,965 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-14 22:02:23,965 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-14 22:02:23,966 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-14 22:02:23,966 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-10-14 22:02:23,966 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-10-14 22:02:23,966 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-10-14 22:02:23,966 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-10-14 22:02:23,966 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,966 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,966 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-10-14 22:02:23,967 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-14 22:02:23,967 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-14 22:02:23,967 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-10-14 22:02:23,967 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-10-14 22:02:23,967 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-10-14 22:02:23,967 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-10-14 22:02:23,967 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-10-14 22:02:23,967 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2019-10-14 22:02:23,968 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,968 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,968 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-10-14 22:02:23,968 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-14 22:02:23,968 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-14 22:02:23,968 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-10-14 22:02:23,968 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-10-14 22:02:23,968 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-10-14 22:02:23,968 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,969 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,970 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-10-14 22:02:23,970 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-10-14 22:02:23,970 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-14 22:02:23,970 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-14 22:02:23,970 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-10-14 22:02:23,970 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-10-14 22:02:23,971 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-10-14 22:02:23,971 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-10-14 22:02:23,971 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,971 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,971 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-10-14 22:02:23,971 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-10-14 22:02:23,971 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-14 22:02:23,971 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-14 22:02:23,971 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-10-14 22:02:23,971 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-10-14 22:02:23,972 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-10-14 22:02:23,972 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,972 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,972 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,972 INFO L443 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-10-14 22:02:23,972 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-10-14 22:02:23,972 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-14 22:02:23,972 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-14 22:02:23,972 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-10-14 22:02:23,973 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-10-14 22:02:23,973 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,973 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,973 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-14 22:02:23,973 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,973 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-10-14 22:02:23,973 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-10-14 22:02:23,973 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-10-14 22:02:23,973 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-14 22:02:23,974 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-14 22:02:23,974 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-14 22:02:23,974 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-10-14 22:02:23,974 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-10-14 22:02:23,974 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-10-14 22:02:23,974 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-10-14 22:02:23,974 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,974 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,975 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,975 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-10-14 22:02:23,975 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-14 22:02:23,975 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-14 22:02:23,975 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-14 22:02:23,975 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-10-14 22:02:23,975 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-10-14 22:02:23,975 INFO L443 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-10-14 22:02:23,975 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-10-14 22:02:23,976 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,976 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,976 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,976 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-10-14 22:02:23,976 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-10-14 22:02:23,976 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-14 22:02:23,976 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-14 22:02:23,976 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-14 22:02:23,976 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-10-14 22:02:23,977 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-10-14 22:02:23,977 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-10-14 22:02:23,977 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,977 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,977 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,977 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-10-14 22:02:23,977 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-14 22:02:23,977 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-14 22:02:23,977 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-14 22:02:23,977 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-10-14 22:02:23,977 INFO L443 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-10-14 22:02:23,978 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-10-14 22:02:23,978 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-10-14 22:02:23,978 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-10-14 22:02:23,978 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,978 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,978 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-10-14 22:02:23,978 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-10-14 22:02:23,978 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-14 22:02:23,978 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-14 22:02:23,979 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-14 22:02:23,979 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-10-14 22:02:23,979 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 22:02:23,979 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 7 ~a15~0) (<= ~a15~0 8) (<= (+ ~a12~0 49) 0)) [2019-10-14 22:02:23,980 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 22:02:23,980 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 22:02:23,981 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8))) [2019-10-14 22:02:23,981 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2019-10-14 22:02:23,982 INFO L439 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (not (<= (+ |old(~a12~0)| 49) 0)) (<= ~a15~0 5) (not (<= 7 |old(~a15~0)|)) (<= 7 ~a15~0) (<= 8 ~a21~0) (<= ~a21~0 6) (not (<= |old(~a15~0)| 8))) [2019-10-14 22:02:23,982 INFO L443 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2019-10-14 22:02:23,982 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-10-14 22:02:23,982 INFO L439 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (not (<= (+ |old(~a12~0)| 49) 0)) (<= ~a15~0 5) (not (<= 7 |old(~a15~0)|)) (<= 7 ~a15~0) (<= 8 ~a21~0) (<= ~a21~0 6) (not (<= |old(~a15~0)| 8))) [2019-10-14 22:02:23,982 INFO L443 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2019-10-14 22:02:24,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:02:24 BoogieIcfgContainer [2019-10-14 22:02:24,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 22:02:24,029 INFO L168 Benchmark]: Toolchain (without parser) took 31724.66 ms. Allocated memory was 138.4 MB in the beginning and 738.2 MB in the end (delta: 599.8 MB). Free memory was 100.6 MB in the beginning and 200.7 MB in the end (delta: -100.1 MB). Peak memory consumption was 499.7 MB. Max. memory is 7.1 GB. [2019-10-14 22:02:24,030 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 22:02:24,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 905.79 ms. Allocated memory was 138.4 MB in the beginning and 206.0 MB in the end (delta: 67.6 MB). Free memory was 100.4 MB in the beginning and 166.0 MB in the end (delta: -65.6 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. [2019-10-14 22:02:24,032 INFO L168 Benchmark]: Boogie Preprocessor took 146.16 ms. Allocated memory is still 206.0 MB. Free memory was 166.0 MB in the beginning and 160.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-10-14 22:02:24,033 INFO L168 Benchmark]: RCFGBuilder took 1845.52 ms. Allocated memory was 206.0 MB in the beginning and 239.1 MB in the end (delta: 33.0 MB). Free memory was 160.4 MB in the beginning and 153.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. [2019-10-14 22:02:24,034 INFO L168 Benchmark]: TraceAbstraction took 28822.20 ms. Allocated memory was 239.1 MB in the beginning and 738.2 MB in the end (delta: 499.1 MB). Free memory was 153.2 MB in the beginning and 200.7 MB in the end (delta: -47.5 MB). Peak memory consumption was 451.6 MB. Max. memory is 7.1 GB. [2019-10-14 22:02:24,038 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 905.79 ms. Allocated memory was 138.4 MB in the beginning and 206.0 MB in the end (delta: 67.6 MB). Free memory was 100.4 MB in the beginning and 166.0 MB in the end (delta: -65.6 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 146.16 ms. Allocated memory is still 206.0 MB. Free memory was 166.0 MB in the beginning and 160.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1845.52 ms. Allocated memory was 206.0 MB in the beginning and 239.1 MB in the end (delta: 33.0 MB). Free memory was 160.4 MB in the beginning and 153.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28822.20 ms. Allocated memory was 239.1 MB in the beginning and 738.2 MB in the end (delta: 499.1 MB). Free memory was 153.2 MB in the beginning and 200.7 MB in the end (delta: -47.5 MB). Peak memory consumption was 451.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((!(\old(a12) + 49 <= 0) || a15 <= 5) || !(7 <= \old(a15))) || 7 <= a15) || 8 <= a21) || a21 <= 6) || !(\old(a15) <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Result: SAFE, OverallTime: 28.7s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 18.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, HoareTripleCheckerStatistics: 1615 SDtfs, 4023 SDslu, 369 SDs, 0 SdLazy, 11918 SolverSat, 2223 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2440 GetRequests, 2341 SyntacticMatches, 10 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6556occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 3212 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 355 PreInvPairs, 527 NumberOfFragments, 199 HoareAnnotationTreeSize, 355 FomulaSimplifications, 33415 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2487 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 4625 NumberOfCodeBlocks, 4625 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4606 ConstructedInterpolants, 0 QuantifiedInterpolants, 2413126 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3856 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 19 InterpolantComputations, 7 PerfectInterpolantSequences, 2662/2684 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...