/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 11:26:34,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 11:26:34,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 11:26:34,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 11:26:34,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:26:34,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:26:34,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:26:34,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:26:34,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:26:34,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:26:34,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:26:34,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:26:34,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:26:34,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:26:34,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:26:34,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:26:34,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:26:34,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:26:34,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:26:34,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:26:34,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:26:34,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:26:34,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:26:34,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:26:34,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 11:26:34,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 11:26:34,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 11:26:34,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 11:26:34,563 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 11:26:34,578 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:26:34,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:26:34,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:26:34,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:26:34,580 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:26:34,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:26:34,581 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:26:34,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:26:34,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:26:34,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:26:34,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:26:34,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:26:34,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:26:34,582 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:26:34,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:26:34,583 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:26:34,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:26:34,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:26:34,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:26:34,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:26:34,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:26:34,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:26:34,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:26:34,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:26:34,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:26:34,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:26:34,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:34,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:26:34,585 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:26:34,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 11:26:34,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:26:34,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:26:34,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:26:34,902 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:26:34,902 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:26:34,903 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2020-07-21 11:26:34,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3609418b/ab749535bf714caaace671db0313ccf2/FLAGaac187597 [2020-07-21 11:26:35,607 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:26:35,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2020-07-21 11:26:35,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3609418b/ab749535bf714caaace671db0313ccf2/FLAGaac187597 [2020-07-21 11:26:35,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3609418b/ab749535bf714caaace671db0313ccf2 [2020-07-21 11:26:35,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:26:35,821 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:26:35,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:26:35,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:26:35,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:26:35,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:26:35" (1/1) ... [2020-07-21 11:26:35,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ed24b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:35, skipping insertion in model container [2020-07-21 11:26:35,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:26:35" (1/1) ... [2020-07-21 11:26:35,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:26:35,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:26:36,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:26:36,431 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 11:26:36,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:26:36,642 INFO L208 MainTranslator]: Completed translation [2020-07-21 11:26:36,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:36 WrapperNode [2020-07-21 11:26:36,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:26:36,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 11:26:36,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 11:26:36,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 11:26:36,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:36" (1/1) ... [2020-07-21 11:26:36,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:36" (1/1) ... [2020-07-21 11:26:36,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:36" (1/1) ... [2020-07-21 11:26:36,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:36" (1/1) ... [2020-07-21 11:26:36,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:36" (1/1) ... [2020-07-21 11:26:36,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:36" (1/1) ... [2020-07-21 11:26:36,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:36" (1/1) ... [2020-07-21 11:26:36,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 11:26:36,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 11:26:36,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 11:26:36,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 11:26:36,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:26:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 11:26:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 11:26:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 11:26:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 11:26:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 11:26:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 11:26:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 11:26:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 11:26:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 11:26:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 11:26:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 11:26:38,025 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 11:26:38,026 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 11:26:38,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:26:38 BoogieIcfgContainer [2020-07-21 11:26:38,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 11:26:38,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 11:26:38,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 11:26:38,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 11:26:38,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:26:35" (1/3) ... [2020-07-21 11:26:38,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aceaddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:26:38, skipping insertion in model container [2020-07-21 11:26:38,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:36" (2/3) ... [2020-07-21 11:26:38,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aceaddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:26:38, skipping insertion in model container [2020-07-21 11:26:38,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:26:38" (3/3) ... [2020-07-21 11:26:38,043 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label03.c [2020-07-21 11:26:38,055 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 11:26:38,064 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 11:26:38,079 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 11:26:38,107 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 11:26:38,107 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 11:26:38,107 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 11:26:38,108 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 11:26:38,108 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 11:26:38,108 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 11:26:38,108 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 11:26:38,109 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 11:26:38,134 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 11:26:38,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-07-21 11:26:38,149 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:26:38,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:26:38,151 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:26:38,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:26:38,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1255491721, now seen corresponding path program 1 times [2020-07-21 11:26:38,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:26:38,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [580162563] [2020-07-21 11:26:38,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:26:38,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:26:38,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:26:38,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:26:38,571 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:26:38,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [580162563] [2020-07-21 11:26:38,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:26:38,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:26:38,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274533045] [2020-07-21 11:26:38,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:26:38,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:26:38,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:26:38,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:26:38,602 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-21 11:26:39,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:26:39,528 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2020-07-21 11:26:39,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:26:39,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-07-21 11:26:39,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:26:39,549 INFO L225 Difference]: With dead ends: 615 [2020-07-21 11:26:39,549 INFO L226 Difference]: Without dead ends: 317 [2020-07-21 11:26:39,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:26:39,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-07-21 11:26:39,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2020-07-21 11:26:39,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-07-21 11:26:39,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2020-07-21 11:26:39,641 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 135 [2020-07-21 11:26:39,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:26:39,643 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2020-07-21 11:26:39,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:26:39,643 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2020-07-21 11:26:39,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-21 11:26:39,654 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:26:39,654 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:26:39,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:39,869 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:26:39,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:26:39,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1675646532, now seen corresponding path program 1 times [2020-07-21 11:26:39,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:26:39,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [395295951] [2020-07-21 11:26:39,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:26:39,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:26:40,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:26:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:26:40,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:26:40,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [395295951] [2020-07-21 11:26:40,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:26:40,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 11:26:40,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801322575] [2020-07-21 11:26:40,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 11:26:40,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:26:40,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 11:26:40,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:26:40,098 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 5 states. [2020-07-21 11:26:40,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:26:40,608 INFO L93 Difference]: Finished difference Result 629 states and 962 transitions. [2020-07-21 11:26:40,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 11:26:40,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2020-07-21 11:26:40,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:26:40,614 INFO L225 Difference]: With dead ends: 629 [2020-07-21 11:26:40,614 INFO L226 Difference]: Without dead ends: 318 [2020-07-21 11:26:40,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 11:26:40,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-07-21 11:26:40,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 308. [2020-07-21 11:26:40,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-07-21 11:26:40,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 435 transitions. [2020-07-21 11:26:40,653 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 435 transitions. Word has length 150 [2020-07-21 11:26:40,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:26:40,654 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 435 transitions. [2020-07-21 11:26:40,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 11:26:40,654 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 435 transitions. [2020-07-21 11:26:40,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-21 11:26:40,659 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:26:40,659 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:26:40,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:40,877 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:26:40,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:26:40,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1904340367, now seen corresponding path program 1 times [2020-07-21 11:26:40,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:26:40,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [904380551] [2020-07-21 11:26:40,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:26:40,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:26:40,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:26:41,047 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:26:41,048 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:26:41,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [904380551] [2020-07-21 11:26:41,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:26:41,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 11:26:41,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355199649] [2020-07-21 11:26:41,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 11:26:41,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:26:41,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 11:26:41,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:26:41,052 INFO L87 Difference]: Start difference. First operand 308 states and 435 transitions. Second operand 5 states. [2020-07-21 11:26:42,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:26:42,028 INFO L93 Difference]: Finished difference Result 923 states and 1328 transitions. [2020-07-21 11:26:42,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:26:42,030 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-07-21 11:26:42,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:26:42,035 INFO L225 Difference]: With dead ends: 923 [2020-07-21 11:26:42,035 INFO L226 Difference]: Without dead ends: 621 [2020-07-21 11:26:42,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:26:42,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2020-07-21 11:26:42,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 459. [2020-07-21 11:26:42,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-07-21 11:26:42,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 601 transitions. [2020-07-21 11:26:42,063 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 601 transitions. Word has length 157 [2020-07-21 11:26:42,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:26:42,064 INFO L479 AbstractCegarLoop]: Abstraction has 459 states and 601 transitions. [2020-07-21 11:26:42,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 11:26:42,064 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 601 transitions. [2020-07-21 11:26:42,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-21 11:26:42,068 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:26:42,068 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:26:42,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:42,282 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:26:42,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:26:42,283 INFO L82 PathProgramCache]: Analyzing trace with hash -615487712, now seen corresponding path program 1 times [2020-07-21 11:26:42,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:26:42,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [357029876] [2020-07-21 11:26:42,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:26:42,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:26:42,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:26:42,443 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:26:42,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:26:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:26:42,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [357029876] [2020-07-21 11:26:42,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:26:42,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 11:26:42,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786371228] [2020-07-21 11:26:42,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 11:26:42,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:26:42,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 11:26:42,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 11:26:42,575 INFO L87 Difference]: Start difference. First operand 459 states and 601 transitions. Second operand 6 states. [2020-07-21 11:26:43,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:26:43,511 INFO L93 Difference]: Finished difference Result 1075 states and 1439 transitions. [2020-07-21 11:26:43,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:26:43,512 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2020-07-21 11:26:43,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:26:43,522 INFO L225 Difference]: With dead ends: 1075 [2020-07-21 11:26:43,523 INFO L226 Difference]: Without dead ends: 622 [2020-07-21 11:26:43,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 326 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 11:26:43,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2020-07-21 11:26:43,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 612. [2020-07-21 11:26:43,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-07-21 11:26:43,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 802 transitions. [2020-07-21 11:26:43,574 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 802 transitions. Word has length 166 [2020-07-21 11:26:43,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:26:43,575 INFO L479 AbstractCegarLoop]: Abstraction has 612 states and 802 transitions. [2020-07-21 11:26:43,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 11:26:43,575 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 802 transitions. [2020-07-21 11:26:43,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-21 11:26:43,580 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:26:43,580 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:26:43,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:43,794 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:26:43,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:26:43,794 INFO L82 PathProgramCache]: Analyzing trace with hash 931972008, now seen corresponding path program 1 times [2020-07-21 11:26:43,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:26:43,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773471879] [2020-07-21 11:26:43,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:26:43,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:26:43,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:26:43,979 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 11:26:43,980 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:26:43,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773471879] [2020-07-21 11:26:43,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:26:43,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:26:43,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185543308] [2020-07-21 11:26:43,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:26:43,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:26:43,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:26:43,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:26:43,982 INFO L87 Difference]: Start difference. First operand 612 states and 802 transitions. Second operand 3 states. [2020-07-21 11:26:44,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:26:44,596 INFO L93 Difference]: Finished difference Result 1510 states and 2025 transitions. [2020-07-21 11:26:44,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:26:44,597 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2020-07-21 11:26:44,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:26:44,603 INFO L225 Difference]: With dead ends: 1510 [2020-07-21 11:26:44,604 INFO L226 Difference]: Without dead ends: 904 [2020-07-21 11:26:44,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:26:44,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-07-21 11:26:44,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 758. [2020-07-21 11:26:44,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2020-07-21 11:26:44,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 937 transitions. [2020-07-21 11:26:44,634 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 937 transitions. Word has length 170 [2020-07-21 11:26:44,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:26:44,634 INFO L479 AbstractCegarLoop]: Abstraction has 758 states and 937 transitions. [2020-07-21 11:26:44,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:26:44,635 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 937 transitions. [2020-07-21 11:26:44,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-07-21 11:26:44,639 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:26:44,639 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:26:44,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:44,855 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:26:44,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:26:44,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1346881862, now seen corresponding path program 1 times [2020-07-21 11:26:44,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:26:44,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1145655997] [2020-07-21 11:26:44,856 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:26:44,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:26:44,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:26:45,007 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:26:45,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:26:45,108 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:26:45,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1145655997] [2020-07-21 11:26:45,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:26:45,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 11:26:45,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609793698] [2020-07-21 11:26:45,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:26:45,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:26:45,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:26:45,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 11:26:45,111 INFO L87 Difference]: Start difference. First operand 758 states and 937 transitions. Second operand 7 states. [2020-07-21 11:26:46,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:26:46,082 INFO L93 Difference]: Finished difference Result 1682 states and 2124 transitions. [2020-07-21 11:26:46,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 11:26:46,085 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 186 [2020-07-21 11:26:46,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:26:46,097 INFO L225 Difference]: With dead ends: 1682 [2020-07-21 11:26:46,097 INFO L226 Difference]: Without dead ends: 930 [2020-07-21 11:26:46,105 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 366 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 11:26:46,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2020-07-21 11:26:46,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 918. [2020-07-21 11:26:46,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2020-07-21 11:26:46,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1133 transitions. [2020-07-21 11:26:46,168 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1133 transitions. Word has length 186 [2020-07-21 11:26:46,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:26:46,169 INFO L479 AbstractCegarLoop]: Abstraction has 918 states and 1133 transitions. [2020-07-21 11:26:46,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:26:46,170 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1133 transitions. [2020-07-21 11:26:46,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-07-21 11:26:46,177 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:26:46,177 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:26:46,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:46,392 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:26:46,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:26:46,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1189448715, now seen corresponding path program 1 times [2020-07-21 11:26:46,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:26:46,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1094596005] [2020-07-21 11:26:46,393 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:26:46,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 11:26:46,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:26:46,582 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-07-21 11:26:46,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:26:46,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1094596005] [2020-07-21 11:26:46,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:26:46,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 11:26:46,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63401266] [2020-07-21 11:26:46,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 11:26:46,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:26:46,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 11:26:46,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:26:46,586 INFO L87 Difference]: Start difference. First operand 918 states and 1133 transitions. Second operand 5 states. [2020-07-21 11:26:47,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:26:47,429 INFO L93 Difference]: Finished difference Result 2457 states and 3125 transitions. [2020-07-21 11:26:47,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 11:26:47,429 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 194 [2020-07-21 11:26:47,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:26:47,440 INFO L225 Difference]: With dead ends: 2457 [2020-07-21 11:26:47,441 INFO L226 Difference]: Without dead ends: 1383 [2020-07-21 11:26:47,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 11:26:47,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2020-07-21 11:26:47,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1367. [2020-07-21 11:26:47,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1367 states. [2020-07-21 11:26:47,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1576 transitions. [2020-07-21 11:26:47,515 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1576 transitions. Word has length 194 [2020-07-21 11:26:47,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:26:47,515 INFO L479 AbstractCegarLoop]: Abstraction has 1367 states and 1576 transitions. [2020-07-21 11:26:47,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 11:26:47,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1576 transitions. [2020-07-21 11:26:47,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-07-21 11:26:47,521 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:26:47,522 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 11:26:47,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:47,736 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:26:47,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:26:47,736 INFO L82 PathProgramCache]: Analyzing trace with hash 259892337, now seen corresponding path program 1 times [2020-07-21 11:26:47,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:26:47,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [577548170] [2020-07-21 11:26:47,737 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:26:47,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:26:47,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:26:47,945 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-07-21 11:26:47,946 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:26:47,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [577548170] [2020-07-21 11:26:47,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:26:47,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:26:47,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819393284] [2020-07-21 11:26:47,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:26:47,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:26:47,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:26:47,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:26:47,949 INFO L87 Difference]: Start difference. First operand 1367 states and 1576 transitions. Second operand 3 states. [2020-07-21 11:26:48,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:26:48,492 INFO L93 Difference]: Finished difference Result 2726 states and 3145 transitions. [2020-07-21 11:26:48,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:26:48,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-07-21 11:26:48,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:26:48,493 INFO L225 Difference]: With dead ends: 2726 [2020-07-21 11:26:48,493 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 11:26:48,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:26:48,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 11:26:48,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 11:26:48,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 11:26:48,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 11:26:48,498 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2020-07-21 11:26:48,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:26:48,499 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 11:26:48,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:26:48,499 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 11:26:48,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 11:26:48,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:48,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 11:26:49,409 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2020-07-21 11:26:49,542 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-07-21 11:26:49,667 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-07-21 11:26:49,672 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:26:49,672 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|)) [2020-07-21 11:26:49,673 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:26:49,673 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,673 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,674 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,674 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,674 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,674 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 11:26:49,674 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 11:26:49,675 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 11:26:49,675 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 11:26:49,675 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 11:26:49,675 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 11:26:49,675 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 11:26:49,675 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 11:26:49,675 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 11:26:49,676 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 11:26:49,676 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 11:26:49,676 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 11:26:49,676 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 11:26:49,676 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,676 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,676 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,676 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,676 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 11:26:49,677 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,677 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 11:26:49,677 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 11:26:49,677 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 11:26:49,677 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 11:26:49,677 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 11:26:49,677 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 11:26:49,678 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 11:26:49,678 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 11:26:49,678 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 11:26:49,678 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 11:26:49,678 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 11:26:49,678 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 11:26:49,678 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 11:26:49,679 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 11:26:49,679 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 11:26:49,679 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,679 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,679 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,679 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,679 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,680 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 559) no Hoare annotation was computed. [2020-07-21 11:26:49,680 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 11:26:49,680 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 11:26:49,680 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 11:26:49,680 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 11:26:49,680 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 11:26:49,680 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 11:26:49,680 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 11:26:49,681 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 11:26:49,681 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 11:26:49,681 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 11:26:49,681 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 11:26:49,681 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,681 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,681 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,681 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,682 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,682 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 11:26:49,682 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 11:26:49,682 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 11:26:49,682 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 11:26:49,682 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 11:26:49,682 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 11:26:49,682 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 11:26:49,682 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 11:26:49,682 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 11:26:49,682 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 11:26:49,683 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 11:26:49,683 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 11:26:49,683 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 11:26:49,683 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,683 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,683 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,683 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,683 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,684 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 11:26:49,684 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 11:26:49,684 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 11:26:49,684 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 11:26:49,684 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 11:26:49,684 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 11:26:49,684 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 11:26:49,684 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 11:26:49,684 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 11:26:49,684 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 11:26:49,684 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 11:26:49,684 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 11:26:49,685 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 11:26:49,685 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 11:26:49,685 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 11:26:49,685 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 11:26:49,685 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,685 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,685 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,685 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,685 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 11:26:49,685 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,685 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 11:26:49,685 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,685 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 11:26:49,685 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 11:26:49,686 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 11:26:49,686 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,686 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,686 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 11:26:49,686 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 11:26:49,686 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 11:26:49,686 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 11:26:49,686 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 11:26:49,686 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 11:26:49,686 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 11:26:49,686 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 11:26:49,686 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 11:26:49,686 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 11:26:49,687 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 11:26:49,687 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,687 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,687 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,687 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,687 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,687 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,687 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 11:26:49,687 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 11:26:49,687 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 11:26:49,687 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 11:26:49,687 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 11:26:49,687 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 11:26:49,688 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 11:26:49,688 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 11:26:49,688 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 11:26:49,688 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 11:26:49,688 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 11:26:49,688 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,688 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,688 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,688 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,688 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,689 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,689 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 11:26:49,689 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 11:26:49,689 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 11:26:49,689 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 11:26:49,689 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 11:26:49,689 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 11:26:49,689 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 11:26:49,689 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 11:26:49,689 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 11:26:49,689 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 11:26:49,689 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 11:26:49,690 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 11:26:49,690 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 11:26:49,690 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 11:26:49,690 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,690 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,690 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,691 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse11 (<= ~a28~0 |old(~a28~0)|)) (.cse7 (= ~a19~0 |old(~a19~0)|))) (let ((.cse1 (and .cse5 .cse11 .cse7)) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse8 (not (<= 8 |old(~a17~0)|))) (.cse10 (<= 8 ~a17~0)) (.cse3 (not (<= |old(~a28~0)| 10))) (.cse9 (not (<= |old(~a19~0)| 0))) (.cse4 (not (<= 10 |old(~a28~0)|))) (.cse6 (<= 10 ~a28~0)) (.cse2 (not (<= |old(~a17~0)| 8)))) (and (or .cse0 (not (<= |old(~a28~0)| 7)) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2 (and .cse5 (<= ~a28~0 10) .cse6 .cse7)) (or .cse0 .cse8 .cse4 .cse6 .cse2) (or .cse3 .cse9 .cse2 .cse1) (or .cse3 .cse10 .cse8 .cse9 .cse2) (or .cse0 .cse8 (and .cse11 (<= ~a17~0 8) .cse10 .cse7) .cse2) (or .cse3 .cse9 .cse4 .cse6 .cse2)))) [2020-07-21 11:26:49,691 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,691 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,691 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,691 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 11:26:49,691 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 11:26:49,691 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 11:26:49,691 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 11:26:49,692 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 11:26:49,692 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 11:26:49,692 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 11:26:49,692 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 11:26:49,692 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 11:26:49,692 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 11:26:49,692 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 11:26:49,692 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 11:26:49,693 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 11:26:49,693 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,693 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,693 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,693 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,693 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,693 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,693 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 11:26:49,694 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 11:26:49,694 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 11:26:49,694 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 11:26:49,694 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 11:26:49,694 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 11:26:49,694 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 11:26:49,694 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 11:26:49,694 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 11:26:49,694 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 11:26:49,695 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 11:26:49,695 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 11:26:49,695 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 11:26:49,695 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 11:26:49,695 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 11:26:49,695 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 11:26:49,695 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,695 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,695 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,696 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,696 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:26:49,696 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 11:26:49,696 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 11:26:49,696 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 11:26:49,696 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 11:26:49,696 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 11:26:49,696 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 11:26:49,696 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 11:26:49,697 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 11:26:49,697 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 11:26:49,697 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 11:26:49,697 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 11:26:49,697 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 11:26:49,697 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 11:26:49,697 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 11:26:49,697 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 11:26:49,698 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 11:26:49,698 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 11:26:49,698 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 11:26:49,698 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 11:26:49,698 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:26:49,698 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a28~0 7)) [2020-07-21 11:26:49,698 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 11:26:49,698 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:26:49,699 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and (<= ~a28~0 |old(~a28~0)|) (<= ~a17~0 8) (<= 8 ~a17~0) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a17~0)| 8))) [2020-07-21 11:26:49,699 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a19~0 |old(~a19~0)|)) (.cse0 (<= ~a17~0 8)) (.cse2 (<= ~a28~0 10))) (or (not (= 1 |old(~a19~0)|)) (and (= 1 ~a19~0) .cse0 (<= 8 ~a17~0)) (and .cse0 .cse1 (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse2 (<= 10 ~a28~0) .cse1) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse2 (<= ~a19~0 0)) (not (<= |old(~a17~0)| 8)))) [2020-07-21 11:26:49,699 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 11:26:49,699 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 11:26:49,699 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (= ~a19~0 |old(~a19~0)|)) (.cse0 (<= ~a17~0 8)) (.cse2 (<= ~a28~0 10))) (or (not (= 1 |old(~a19~0)|)) (and (= 1 ~a19~0) .cse0 (<= 8 ~a17~0)) (and .cse0 .cse1 (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse2 (<= 10 ~a28~0) .cse1) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse2 (<= ~a19~0 0)) (not (<= |old(~a17~0)| 8)))) [2020-07-21 11:26:49,699 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 11:26:49,700 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 11:26:49,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:26:49 BoogieIcfgContainer [2020-07-21 11:26:49,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 11:26:49,726 INFO L168 Benchmark]: Toolchain (without parser) took 13905.67 ms. Allocated memory was 137.9 MB in the beginning and 382.2 MB in the end (delta: 244.3 MB). Free memory was 100.8 MB in the beginning and 134.0 MB in the end (delta: -33.1 MB). Peak memory consumption was 211.2 MB. Max. memory is 7.1 GB. [2020-07-21 11:26:49,726 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 11:26:49,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 821.42 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 100.4 MB in the beginning and 171.5 MB in the end (delta: -71.1 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2020-07-21 11:26:49,728 INFO L168 Benchmark]: Boogie Preprocessor took 127.19 ms. Allocated memory is still 203.9 MB. Free memory was 171.5 MB in the beginning and 166.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-07-21 11:26:49,729 INFO L168 Benchmark]: RCFGBuilder took 1262.21 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 166.3 MB in the beginning and 182.2 MB in the end (delta: -16.0 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2020-07-21 11:26:49,730 INFO L168 Benchmark]: TraceAbstraction took 11688.94 ms. Allocated memory was 235.9 MB in the beginning and 382.2 MB in the end (delta: 146.3 MB). Free memory was 180.5 MB in the beginning and 134.0 MB in the end (delta: 46.5 MB). Peak memory consumption was 192.8 MB. Max. memory is 7.1 GB. [2020-07-21 11:26:49,734 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 821.42 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 100.4 MB in the beginning and 171.5 MB in the end (delta: -71.1 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.19 ms. Allocated memory is still 203.9 MB. Free memory was 171.5 MB in the beginning and 166.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1262.21 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 166.3 MB in the beginning and 182.2 MB in the end (delta: -16.0 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11688.94 ms. Allocated memory was 235.9 MB in the beginning and 382.2 MB in the end (delta: 146.3 MB). Free memory was 180.5 MB in the beginning and 134.0 MB in the end (delta: 46.5 MB). Peak memory consumption was 192.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 559]: 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: 606]: Loop Invariant Derived loop invariant: ((((((!(1 == \old(a19)) || ((1 == a19 && a17 <= 8) && 8 <= a17)) || ((a17 <= 8 && a19 == \old(a19)) && a28 <= 7)) || !(\old(a28) <= 7)) || (((a17 <= 8 && a28 <= 10) && 10 <= a28) && a19 == \old(a19))) || !(8 <= \old(a17))) || ((a17 <= 8 && a28 <= 10) && a19 <= 0)) || !(\old(a17) <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.6s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 673 SDtfs, 2480 SDslu, 315 SDs, 0 SdLazy, 3868 SolverSat, 762 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1755 GetRequests, 1721 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1367occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 356 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 49 PreInvPairs, 71 NumberOfFragments, 337 HoareAnnotationTreeSize, 49 FomulaSimplifications, 2550 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 796 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1399 NumberOfCodeBlocks, 1399 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1741 ConstructedInterpolants, 0 QuantifiedInterpolants, 549685 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3297 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 474/482 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...