/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_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 11:35:59,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 11:35:59,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 11:35:59,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 11:35:59,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 11:35:59,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 11:35:59,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 11:35:59,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 11:35:59,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 11:35:59,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 11:35:59,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 11:35:59,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 11:35:59,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 11:35:59,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 11:35:59,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 11:35:59,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 11:35:59,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 11:35:59,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 11:35:59,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 11:35:59,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 11:35:59,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 11:35:59,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 11:35:59,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 11:35:59,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 11:35:59,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 11:35:59,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 11:35:59,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 11:35:59,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 11:35:59,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 11:35:59,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 11:35:59,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 11:35:59,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 11:35:59,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 11:35:59,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 11:35:59,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 11:35:59,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 11:35:59,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 11:35:59,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 11:35:59,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 11:35:59,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 11:35:59,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 11:35:59,382 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 [2020-07-20 11:35:59,397 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 11:35:59,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 11:35:59,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 11:35:59,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 11:35:59,399 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 11:35:59,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 11:35:59,399 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 11:35:59,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 11:35:59,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 11:35:59,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 11:35:59,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 11:35:59,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 11:35:59,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 11:35:59,401 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 11:35:59,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 11:35:59,401 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 11:35:59,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 11:35:59,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 11:35:59,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 11:35:59,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 11:35:59,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 11:35:59,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 11:35:59,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 11:35:59,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 11:35:59,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 11:35:59,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 11:35:59,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:35:59,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 11:35:59,404 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 11:35:59,404 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 [2020-07-20 11:35:59,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 11:35:59,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 11:35:59,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 11:35:59,704 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 11:35:59,704 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 11:35:59,705 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2020-07-20 11:35:59,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36157f28b/4ff0cb8b97db4a2c8b876295b25b3f29/FLAG85049bdec [2020-07-20 11:36:00,354 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 11:36:00,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2020-07-20 11:36:00,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36157f28b/4ff0cb8b97db4a2c8b876295b25b3f29/FLAG85049bdec [2020-07-20 11:36:00,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36157f28b/4ff0cb8b97db4a2c8b876295b25b3f29 [2020-07-20 11:36:00,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 11:36:00,604 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 11:36:00,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 11:36:00,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 11:36:00,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 11:36:00,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:36:00" (1/1) ... [2020-07-20 11:36:00,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a6071f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:00, skipping insertion in model container [2020-07-20 11:36:00,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:36:00" (1/1) ... [2020-07-20 11:36:00,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 11:36:00,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 11:36:01,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:36:01,152 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 11:36:01,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:36:01,411 INFO L208 MainTranslator]: Completed translation [2020-07-20 11:36:01,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:01 WrapperNode [2020-07-20 11:36:01,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 11:36:01,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 11:36:01,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 11:36:01,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 11:36:01,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:01" (1/1) ... [2020-07-20 11:36:01,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:01" (1/1) ... [2020-07-20 11:36:01,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:01" (1/1) ... [2020-07-20 11:36:01,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:01" (1/1) ... [2020-07-20 11:36:01,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:01" (1/1) ... [2020-07-20 11:36:01,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:01" (1/1) ... [2020-07-20 11:36:01,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:01" (1/1) ... [2020-07-20 11:36:01,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 11:36:01,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 11:36:01,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 11:36:01,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 11:36:01,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:01" (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 [2020-07-20 11:36:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 11:36:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 11:36:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 11:36:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 11:36:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 11:36:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 11:36:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 11:36:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 11:36:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 11:36:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 11:36:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 11:36:02,681 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 11:36:02,682 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 11:36:02,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:36:02 BoogieIcfgContainer [2020-07-20 11:36:02,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 11:36:02,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 11:36:02,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 11:36:02,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 11:36:02,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:36:00" (1/3) ... [2020-07-20 11:36:02,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b6c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:36:02, skipping insertion in model container [2020-07-20 11:36:02,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:36:01" (2/3) ... [2020-07-20 11:36:02,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b6c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:36:02, skipping insertion in model container [2020-07-20 11:36:02,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:36:02" (3/3) ... [2020-07-20 11:36:02,702 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2020-07-20 11:36:02,714 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 11:36:02,723 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 11:36:02,738 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 11:36:02,764 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 11:36:02,764 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 11:36:02,764 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 11:36:02,764 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 11:36:02,765 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 11:36:02,765 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 11:36:02,765 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 11:36:02,765 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 11:36:02,789 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 11:36:02,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-20 11:36:02,800 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:02,802 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] [2020-07-20 11:36:02,802 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:02,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:02,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1033095319, now seen corresponding path program 1 times [2020-07-20 11:36:02,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:02,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1443794344] [2020-07-20 11:36:02,819 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 [2020-07-20 11:36:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:03,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 11:36:03,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:03,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:36:03,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:36:03,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1443794344] [2020-07-20 11:36:03,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:36:03,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:36:03,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576570131] [2020-07-20 11:36:03,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:36:03,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:03,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:36:03,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:36:03,150 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-20 11:36:04,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:04,097 INFO L93 Difference]: Finished difference Result 649 states and 1093 transitions. [2020-07-20 11:36:04,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:36:04,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-07-20 11:36:04,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:04,116 INFO L225 Difference]: With dead ends: 649 [2020-07-20 11:36:04,116 INFO L226 Difference]: Without dead ends: 330 [2020-07-20 11:36:04,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:36:04,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-07-20 11:36:04,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2020-07-20 11:36:04,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2020-07-20 11:36:04,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 481 transitions. [2020-07-20 11:36:04,194 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 481 transitions. Word has length 95 [2020-07-20 11:36:04,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:04,196 INFO L479 AbstractCegarLoop]: Abstraction has 330 states and 481 transitions. [2020-07-20 11:36:04,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:36:04,196 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 481 transitions. [2020-07-20 11:36:04,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 11:36:04,201 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:04,202 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 11:36:04,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:04,416 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:04,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:04,417 INFO L82 PathProgramCache]: Analyzing trace with hash -377311506, now seen corresponding path program 1 times [2020-07-20 11:36:04,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:04,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201593132] [2020-07-20 11:36:04,419 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 [2020-07-20 11:36:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:04,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:36:04,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:36:04,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:36:04,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201593132] [2020-07-20 11:36:04,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:36:04,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:36:04,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028264724] [2020-07-20 11:36:04,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:36:04,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:04,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:36:04,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:36:04,558 INFO L87 Difference]: Start difference. First operand 330 states and 481 transitions. Second operand 3 states. [2020-07-20 11:36:05,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:05,181 INFO L93 Difference]: Finished difference Result 948 states and 1400 transitions. [2020-07-20 11:36:05,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:36:05,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-07-20 11:36:05,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:05,188 INFO L225 Difference]: With dead ends: 948 [2020-07-20 11:36:05,188 INFO L226 Difference]: Without dead ends: 624 [2020-07-20 11:36:05,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:36:05,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2020-07-20 11:36:05,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 622. [2020-07-20 11:36:05,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-07-20 11:36:05,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 877 transitions. [2020-07-20 11:36:05,222 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 877 transitions. Word has length 103 [2020-07-20 11:36:05,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:05,222 INFO L479 AbstractCegarLoop]: Abstraction has 622 states and 877 transitions. [2020-07-20 11:36:05,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:36:05,223 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 877 transitions. [2020-07-20 11:36:05,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-20 11:36:05,227 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:05,227 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 11:36:05,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:05,442 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:05,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:05,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1456059206, now seen corresponding path program 1 times [2020-07-20 11:36:05,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:05,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529602884] [2020-07-20 11:36:05,445 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 [2020-07-20 11:36:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:05,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 11:36:05,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:36:05,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:36:05,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529602884] [2020-07-20 11:36:05,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:36:05,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 11:36:05,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605091428] [2020-07-20 11:36:05,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 11:36:05,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:05,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 11:36:05,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 11:36:05,592 INFO L87 Difference]: Start difference. First operand 622 states and 877 transitions. Second operand 5 states. [2020-07-20 11:36:06,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:06,462 INFO L93 Difference]: Finished difference Result 1855 states and 2711 transitions. [2020-07-20 11:36:06,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 11:36:06,464 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-07-20 11:36:06,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:06,473 INFO L225 Difference]: With dead ends: 1855 [2020-07-20 11:36:06,473 INFO L226 Difference]: Without dead ends: 1239 [2020-07-20 11:36:06,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 11:36:06,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2020-07-20 11:36:06,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1223. [2020-07-20 11:36:06,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2020-07-20 11:36:06,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1671 transitions. [2020-07-20 11:36:06,538 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1671 transitions. Word has length 109 [2020-07-20 11:36:06,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:06,539 INFO L479 AbstractCegarLoop]: Abstraction has 1223 states and 1671 transitions. [2020-07-20 11:36:06,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 11:36:06,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1671 transitions. [2020-07-20 11:36:06,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 11:36:06,547 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:06,547 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-07-20 11:36:06,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:06,761 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:06,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:06,762 INFO L82 PathProgramCache]: Analyzing trace with hash 549151607, now seen corresponding path program 1 times [2020-07-20 11:36:06,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:06,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [675901465] [2020-07-20 11:36:06,764 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 [2020-07-20 11:36:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:06,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:36:06,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:06,888 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:36:06,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:36:06,982 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:36:06,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [675901465] [2020-07-20 11:36:06,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:36:06,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 11:36:06,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756185306] [2020-07-20 11:36:06,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 11:36:06,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:06,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 11:36:06,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 11:36:06,986 INFO L87 Difference]: Start difference. First operand 1223 states and 1671 transitions. Second operand 7 states. [2020-07-20 11:36:07,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:07,695 INFO L93 Difference]: Finished difference Result 2447 states and 3403 transitions. [2020-07-20 11:36:07,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 11:36:07,696 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 113 [2020-07-20 11:36:07,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:07,712 INFO L225 Difference]: With dead ends: 2447 [2020-07-20 11:36:07,712 INFO L226 Difference]: Without dead ends: 1230 [2020-07-20 11:36:07,716 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 220 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 11:36:07,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2020-07-20 11:36:07,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1212. [2020-07-20 11:36:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1212 states. [2020-07-20 11:36:07,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1605 transitions. [2020-07-20 11:36:07,778 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1605 transitions. Word has length 113 [2020-07-20 11:36:07,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:07,780 INFO L479 AbstractCegarLoop]: Abstraction has 1212 states and 1605 transitions. [2020-07-20 11:36:07,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 11:36:07,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1605 transitions. [2020-07-20 11:36:07,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-20 11:36:07,787 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:07,787 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:36:08,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:08,001 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:08,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:08,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1585888029, now seen corresponding path program 1 times [2020-07-20 11:36:08,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:08,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571678273] [2020-07-20 11:36:08,004 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 [2020-07-20 11:36:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:08,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 11:36:08,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:36:08,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:36:08,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571678273] [2020-07-20 11:36:08,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:36:08,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 11:36:08,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119658160] [2020-07-20 11:36:08,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 11:36:08,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:08,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 11:36:08,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 11:36:08,118 INFO L87 Difference]: Start difference. First operand 1212 states and 1605 transitions. Second operand 5 states. [2020-07-20 11:36:08,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:08,949 INFO L93 Difference]: Finished difference Result 3050 states and 4141 transitions. [2020-07-20 11:36:08,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 11:36:08,950 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-07-20 11:36:08,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:08,960 INFO L225 Difference]: With dead ends: 3050 [2020-07-20 11:36:08,960 INFO L226 Difference]: Without dead ends: 1844 [2020-07-20 11:36:08,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 11:36:08,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2020-07-20 11:36:09,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1832. [2020-07-20 11:36:09,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1832 states. [2020-07-20 11:36:09,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1832 states and 2309 transitions. [2020-07-20 11:36:09,018 INFO L78 Accepts]: Start accepts. Automaton has 1832 states and 2309 transitions. Word has length 123 [2020-07-20 11:36:09,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:09,019 INFO L479 AbstractCegarLoop]: Abstraction has 1832 states and 2309 transitions. [2020-07-20 11:36:09,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 11:36:09,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2309 transitions. [2020-07-20 11:36:09,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-20 11:36:09,023 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:09,023 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, 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] [2020-07-20 11:36:09,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:09,237 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:09,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:09,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1742083188, now seen corresponding path program 1 times [2020-07-20 11:36:09,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:09,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489045494] [2020-07-20 11:36:09,239 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 [2020-07-20 11:36:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:09,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:36:09,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:09,357 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:36:09,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:36:09,423 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:36:09,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489045494] [2020-07-20 11:36:09,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:36:09,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 11:36:09,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208889514] [2020-07-20 11:36:09,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 11:36:09,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:09,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 11:36:09,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 11:36:09,426 INFO L87 Difference]: Start difference. First operand 1832 states and 2309 transitions. Second operand 6 states. [2020-07-20 11:36:10,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:10,226 INFO L93 Difference]: Finished difference Result 3970 states and 5018 transitions. [2020-07-20 11:36:10,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 11:36:10,226 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2020-07-20 11:36:10,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:10,244 INFO L225 Difference]: With dead ends: 3970 [2020-07-20 11:36:10,244 INFO L226 Difference]: Without dead ends: 2144 [2020-07-20 11:36:10,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 258 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 11:36:10,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2144 states. [2020-07-20 11:36:10,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2144 to 2132. [2020-07-20 11:36:10,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2020-07-20 11:36:10,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2573 transitions. [2020-07-20 11:36:10,314 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2573 transitions. Word has length 132 [2020-07-20 11:36:10,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:10,315 INFO L479 AbstractCegarLoop]: Abstraction has 2132 states and 2573 transitions. [2020-07-20 11:36:10,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 11:36:10,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2573 transitions. [2020-07-20 11:36:10,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-07-20 11:36:10,322 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:10,322 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, 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] [2020-07-20 11:36:10,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:10,537 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:10,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:10,537 INFO L82 PathProgramCache]: Analyzing trace with hash -2009077228, now seen corresponding path program 1 times [2020-07-20 11:36:10,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:10,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871550669] [2020-07-20 11:36:10,538 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 [2020-07-20 11:36:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:10,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:36:10,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:10,654 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 11:36:10,655 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:36:10,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871550669] [2020-07-20 11:36:10,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:36:10,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:36:10,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934625257] [2020-07-20 11:36:10,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:36:10,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:10,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:36:10,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:36:10,658 INFO L87 Difference]: Start difference. First operand 2132 states and 2573 transitions. Second operand 3 states. [2020-07-20 11:36:11,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:11,223 INFO L93 Difference]: Finished difference Result 4258 states and 5140 transitions. [2020-07-20 11:36:11,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:36:11,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-07-20 11:36:11,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:11,241 INFO L225 Difference]: With dead ends: 4258 [2020-07-20 11:36:11,241 INFO L226 Difference]: Without dead ends: 2132 [2020-07-20 11:36:11,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:36:11,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2020-07-20 11:36:11,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2132. [2020-07-20 11:36:11,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2020-07-20 11:36:11,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2450 transitions. [2020-07-20 11:36:11,328 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2450 transitions. Word has length 136 [2020-07-20 11:36:11,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:11,329 INFO L479 AbstractCegarLoop]: Abstraction has 2132 states and 2450 transitions. [2020-07-20 11:36:11,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:36:11,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2450 transitions. [2020-07-20 11:36:11,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-20 11:36:11,334 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:11,335 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, 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] [2020-07-20 11:36:11,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:11,550 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:11,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:11,551 INFO L82 PathProgramCache]: Analyzing trace with hash 222844508, now seen corresponding path program 1 times [2020-07-20 11:36:11,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:11,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [811434912] [2020-07-20 11:36:11,552 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 [2020-07-20 11:36:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:11,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:36:11,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:11,665 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 11:36:11,665 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:36:11,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [811434912] [2020-07-20 11:36:11,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:36:11,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:36:11,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56469625] [2020-07-20 11:36:11,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:36:11,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:11,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:36:11,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:36:11,667 INFO L87 Difference]: Start difference. First operand 2132 states and 2450 transitions. Second operand 3 states. [2020-07-20 11:36:12,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:12,232 INFO L93 Difference]: Finished difference Result 4846 states and 5583 transitions. [2020-07-20 11:36:12,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:36:12,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2020-07-20 11:36:12,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:12,241 INFO L225 Difference]: With dead ends: 4846 [2020-07-20 11:36:12,242 INFO L226 Difference]: Without dead ends: 2123 [2020-07-20 11:36:12,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:36:12,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2020-07-20 11:36:12,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 2123. [2020-07-20 11:36:12,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2123 states. [2020-07-20 11:36:12,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 2398 transitions. [2020-07-20 11:36:12,295 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 2398 transitions. Word has length 143 [2020-07-20 11:36:12,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:12,295 INFO L479 AbstractCegarLoop]: Abstraction has 2123 states and 2398 transitions. [2020-07-20 11:36:12,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:36:12,296 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2398 transitions. [2020-07-20 11:36:12,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-07-20 11:36:12,301 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:36:12,301 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 11:36:12,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:12,516 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:36:12,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:36:12,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1100298320, now seen corresponding path program 1 times [2020-07-20 11:36:12,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:36:12,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844144210] [2020-07-20 11:36:12,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:36:12,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 11:36:12,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:36:12,686 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-20 11:36:12,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 11:36:12,797 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 79 proven. 28 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 11:36:12,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844144210] [2020-07-20 11:36:12,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 11:36:12,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 11:36:12,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419055667] [2020-07-20 11:36:12,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 11:36:12,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:36:12,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 11:36:12,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 11:36:12,800 INFO L87 Difference]: Start difference. First operand 2123 states and 2398 transitions. Second operand 7 states. [2020-07-20 11:36:14,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:36:14,061 INFO L93 Difference]: Finished difference Result 5599 states and 6320 transitions. [2020-07-20 11:36:14,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 11:36:14,064 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 168 [2020-07-20 11:36:14,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:36:14,064 INFO L225 Difference]: With dead ends: 5599 [2020-07-20 11:36:14,064 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 11:36:14,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-20 11:36:14,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 11:36:14,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 11:36:14,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 11:36:14,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 11:36:14,076 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 168 [2020-07-20 11:36:14,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:36:14,076 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 11:36:14,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 11:36:14,076 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 11:36:14,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 11:36:14,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:36:14,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 11:36:15,374 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 59 [2020-07-20 11:36:15,569 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2020-07-20 11:36:15,744 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2020-07-20 11:36:15,747 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:36:15,748 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)|) (= ~a25~0 |old(~a25~0)|)) [2020-07-20 11:36:15,748 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:36:15,748 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,748 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,748 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,748 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,748 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,749 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 11:36:15,749 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 11:36:15,749 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 11:36:15,749 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 11:36:15,749 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 11:36:15,749 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 11:36:15,749 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 11:36:15,749 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 11:36:15,749 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 11:36:15,750 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 11:36:15,750 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 11:36:15,750 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 11:36:15,750 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 11:36:15,750 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,750 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,750 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,750 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,750 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 11:36:15,750 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,750 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 11:36:15,751 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 11:36:15,751 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 11:36:15,751 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 11:36:15,751 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 11:36:15,751 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 11:36:15,751 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 11:36:15,751 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 11:36:15,751 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 11:36:15,751 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 11:36:15,751 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 11:36:15,752 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 11:36:15,752 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 11:36:15,752 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 11:36:15,752 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 11:36:15,752 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,752 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,752 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,753 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,753 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,753 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2020-07-20 11:36:15,753 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 11:36:15,753 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 11:36:15,753 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 11:36:15,753 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 11:36:15,754 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 11:36:15,754 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 11:36:15,754 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 11:36:15,754 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 11:36:15,754 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 11:36:15,754 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 11:36:15,754 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 11:36:15,754 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,755 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,755 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,755 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,755 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,755 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 11:36:15,755 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 11:36:15,755 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 11:36:15,755 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 11:36:15,756 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 11:36:15,756 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 11:36:15,756 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 11:36:15,756 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 11:36:15,756 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 11:36:15,756 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 11:36:15,756 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 11:36:15,756 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 11:36:15,757 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 11:36:15,757 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,757 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,757 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,757 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,757 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,757 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 11:36:15,758 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 11:36:15,758 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 11:36:15,758 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 11:36:15,758 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 11:36:15,760 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 11:36:15,760 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 11:36:15,761 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 11:36:15,761 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 11:36:15,761 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 11:36:15,761 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 11:36:15,761 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 11:36:15,761 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 11:36:15,761 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 11:36:15,761 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 11:36:15,762 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 11:36:15,762 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,762 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,762 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,762 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,762 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 11:36:15,762 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,762 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 11:36:15,762 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,763 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 11:36:15,763 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 11:36:15,763 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 11:36:15,763 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,763 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,763 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 11:36:15,763 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 11:36:15,764 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 11:36:15,766 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 11:36:15,766 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 11:36:15,766 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 11:36:15,766 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 11:36:15,766 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 11:36:15,766 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 11:36:15,767 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 11:36:15,767 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 11:36:15,767 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,767 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,767 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,768 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,768 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,768 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,768 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 11:36:15,769 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 11:36:15,769 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 11:36:15,769 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 11:36:15,769 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 11:36:15,769 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 11:36:15,769 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 11:36:15,769 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 11:36:15,769 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 11:36:15,770 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 11:36:15,770 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 11:36:15,770 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,770 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,770 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,770 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,770 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,771 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,771 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 11:36:15,771 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 11:36:15,771 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 11:36:15,771 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 11:36:15,771 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 11:36:15,771 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 11:36:15,772 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 11:36:15,772 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 11:36:15,772 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 11:36:15,772 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 11:36:15,772 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 11:36:15,772 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 11:36:15,772 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 11:36:15,772 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 11:36:15,772 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,772 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,772 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,773 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse8 (= ~a25~0 |old(~a25~0)|)) (.cse1 (not (<= 9 |old(~a28~0)|))) (.cse4 (<= 9 ~a28~0)) (.cse0 (not (<= |old(~a28~0)| 10))) (.cse2 (not (<= |old(~a19~0)| 0))) (.cse10 (<= ~a11~0 0)) (.cse13 (not (= 1 |old(~a25~0)|))) (.cse3 (not (<= |old(~a17~0)| 8))) (.cse11 (not (<= |old(~a11~0)| 0))) (.cse5 (not (= 1 |old(~a19~0)|))) (.cse12 (not (<= |old(~a28~0)| 7))) (.cse9 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (<= ~a28~0 |old(~a28~0)|)) (.cse7 (= ~a19~0 |old(~a19~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (and .cse6 .cse7 .cse4 .cse8) .cse0 .cse1 .cse3) (or .cse0 .cse2 (and .cse9 .cse6 .cse7 .cse8) .cse3) (or .cse5 .cse0 .cse10 .cse1 .cse3 .cse11) (or .cse5 (and .cse10 .cse6 (<= ~a17~0 8) .cse7 .cse8) .cse12 .cse3 .cse11) (or .cse5 .cse9 .cse0 .cse1 .cse3) (or .cse5 (and .cse9 .cse6 .cse7 (= 1 ~a25~0)) .cse13 .cse3) (or .cse5 .cse1 .cse13 .cse3 .cse4) (or .cse0 .cse10 .cse2 .cse3 .cse11) (or .cse5 .cse10 .cse13 .cse3 .cse11) (or .cse5 .cse12 (not (<= |old(~a17~0)| 7)) (and .cse9 .cse6 .cse7)))) [2020-07-20 11:36:15,773 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,773 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,773 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,773 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 11:36:15,774 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 11:36:15,774 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 11:36:15,774 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 11:36:15,774 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 11:36:15,774 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 11:36:15,774 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 11:36:15,774 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 11:36:15,774 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 11:36:15,774 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 11:36:15,774 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 11:36:15,774 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 11:36:15,774 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 11:36:15,775 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,775 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,775 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,775 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,775 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,775 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,775 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 11:36:15,775 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 11:36:15,775 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 11:36:15,775 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 11:36:15,775 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 11:36:15,775 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 11:36:15,775 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 11:36:15,776 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 11:36:15,776 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 11:36:15,776 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 11:36:15,776 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 11:36:15,776 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 11:36:15,776 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 11:36:15,776 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 11:36:15,776 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 11:36:15,777 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 11:36:15,777 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,777 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,777 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,777 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,777 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 11:36:15,777 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 11:36:15,777 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 11:36:15,778 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 11:36:15,778 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 11:36:15,778 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 11:36:15,778 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 11:36:15,778 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 11:36:15,778 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 11:36:15,778 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 11:36:15,778 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 11:36:15,778 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 11:36:15,779 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 11:36:15,779 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 11:36:15,779 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 11:36:15,779 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 11:36:15,779 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 11:36:15,779 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 11:36:15,779 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 11:36:15,779 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 11:36:15,779 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:36:15,780 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a17~0 8) (<= ~a28~0 7)) [2020-07-20 11:36:15,780 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 11:36:15,780 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:36:15,780 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)) (and (<= ~a17~0 |old(~a17~0)|) (<= ~a11~0 0) (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0))) [2020-07-20 11:36:15,780 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (<= ~a19~0 0)) (.cse2 (<= ~a28~0 10)) (.cse5 (<= ~a17~0 7)) (.cse4 (<= 9 ~a28~0)) (.cse1 (<= ~a17~0 8)) (.cse3 (not (= 1 |old(~a25~0)|))) (.cse0 (= 1 ~a19~0)) (.cse6 (<= ~a28~0 7))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6) (not (<= |old(~a28~0)| 7)) (and .cse2 .cse5 .cse7 .cse4) (and .cse1 .cse2 .cse3 .cse7) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse2 .cse5 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse1 .cse3 (= 1 ~a25~0)) (and .cse0 (<= ~a17~0 |old(~a17~0)|) (<= ~a11~0 0) .cse6 (= ~a25~0 |old(~a25~0)|)))) [2020-07-20 11:36:15,781 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 11:36:15,781 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 11:36:15,781 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (<= ~a19~0 0)) (.cse2 (<= ~a28~0 10)) (.cse5 (<= ~a17~0 7)) (.cse4 (<= 9 ~a28~0)) (.cse1 (<= ~a17~0 8)) (.cse3 (not (= 1 |old(~a25~0)|))) (.cse0 (= 1 ~a19~0)) (.cse6 (<= ~a28~0 7))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6) (not (<= |old(~a28~0)| 7)) (and .cse2 .cse5 .cse7 .cse4) (and .cse1 .cse2 .cse3 .cse7) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse2 .cse5 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse1 .cse3 (= 1 ~a25~0)) (and .cse0 (<= ~a17~0 |old(~a17~0)|) (<= ~a11~0 0) .cse6 (= ~a25~0 |old(~a25~0)|)))) [2020-07-20 11:36:15,781 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 11:36:15,781 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 11:36:15,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:36:15 BoogieIcfgContainer [2020-07-20 11:36:15,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 11:36:15,808 INFO L168 Benchmark]: Toolchain (without parser) took 15205.02 ms. Allocated memory was 138.9 MB in the beginning and 415.8 MB in the end (delta: 276.8 MB). Free memory was 101.1 MB in the beginning and 180.0 MB in the end (delta: -78.9 MB). Peak memory consumption was 254.5 MB. Max. memory is 7.1 GB. [2020-07-20 11:36:15,808 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 120.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 11:36:15,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.03 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 100.6 MB in the beginning and 170.8 MB in the end (delta: -70.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2020-07-20 11:36:15,810 INFO L168 Benchmark]: Boogie Preprocessor took 95.01 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 166.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 11:36:15,811 INFO L168 Benchmark]: RCFGBuilder took 1181.77 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 166.5 MB in the beginning and 181.6 MB in the end (delta: -15.1 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2020-07-20 11:36:15,812 INFO L168 Benchmark]: TraceAbstraction took 13115.26 ms. Allocated memory was 235.4 MB in the beginning and 415.8 MB in the end (delta: 180.4 MB). Free memory was 181.6 MB in the beginning and 180.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 238.5 MB. Max. memory is 7.1 GB. [2020-07-20 11:36:15,815 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 120.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 807.03 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 100.6 MB in the beginning and 170.8 MB in the end (delta: -70.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.01 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 166.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1181.77 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 166.5 MB in the beginning and 181.6 MB in the end (delta: -15.1 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13115.26 ms. Allocated memory was 235.4 MB in the beginning and 415.8 MB in the end (delta: 180.4 MB). Free memory was 181.6 MB in the beginning and 180.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 238.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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) && a28 <= 10) && !(1 == \old(a25))) && 9 <= a28)) || ((1 == a19 && a17 <= 7) && a28 <= 7)) || !(\old(a28) <= 7)) || (((a28 <= 10 && a17 <= 7) && a19 <= 0) && 9 <= a28)) || (((a17 <= 8 && a28 <= 10) && !(1 == \old(a25))) && a19 <= 0)) || !(\old(a17) <= 8)) || (((1 == a19 && a28 <= 10) && a17 <= 7) && 9 <= a28)) || !(\old(a11) <= 0)) || (((1 == a19 && a17 <= 8) && !(1 == \old(a25))) && 1 == a25)) || ((((1 == a19 && a17 <= \old(a17)) && a11 <= 0) && a28 <= 7) && a25 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.5s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1063 SDtfs, 3075 SDslu, 465 SDs, 0 SdLazy, 5326 SolverSat, 730 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1540 GetRequests, 1503 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2132occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 60 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 110 PreInvPairs, 164 NumberOfFragments, 551 HoareAnnotationTreeSize, 110 FomulaSimplifications, 1814 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1385 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1122 NumberOfCodeBlocks, 1122 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1523 ConstructedInterpolants, 0 QuantifiedInterpolants, 373681 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3205 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 462/500 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...