/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 SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 16:37:53,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 16:37:53,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 16:37:53,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 16:37:53,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 16:37:53,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 16:37:53,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 16:37:53,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 16:37:53,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 16:37:53,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 16:37:53,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 16:37:53,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 16:37:53,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 16:37:53,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 16:37:53,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 16:37:53,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 16:37:53,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 16:37:53,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 16:37:53,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 16:37:53,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 16:37:53,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 16:37:53,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 16:37:53,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 16:37:53,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 16:37:53,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 16:37:53,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 16:37:53,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 16:37:53,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 16:37:53,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 16:37:53,496 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 16:37:53,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 16:37:53,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 16:37:53,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 16:37:53,498 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 16:37:53,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 16:37:53,501 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 16:37:53,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 16:37:53,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 16:37:53,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 16:37:53,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 16:37:53,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 16:37:53,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 16:37:53,502 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 16:37:53,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 16:37:53,502 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 16:37:53,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 16:37:53,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 16:37:53,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 16:37:53,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 16:37:53,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 16:37:53,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 16:37:53,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 16:37:53,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 16:37:53,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 16:37:53,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 16:37:53,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:53,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 16:37:53,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 16:37:53,506 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 -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 16:37:53,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 16:37:53,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 16:37:53,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 16:37:53,809 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 16:37:53,810 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 16:37:53,811 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2020-07-21 16:37:53,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f975372/fe65376e6dec41f383c4ed2870cd5b9f/FLAGb435530cf [2020-07-21 16:37:54,474 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 16:37:54,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2020-07-21 16:37:54,501 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f975372/fe65376e6dec41f383c4ed2870cd5b9f/FLAGb435530cf [2020-07-21 16:37:54,745 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f975372/fe65376e6dec41f383c4ed2870cd5b9f [2020-07-21 16:37:54,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 16:37:54,758 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 16:37:54,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 16:37:54,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 16:37:54,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 16:37:54,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:37:54" (1/1) ... [2020-07-21 16:37:54,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ef5c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:54, skipping insertion in model container [2020-07-21 16:37:54,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:37:54" (1/1) ... [2020-07-21 16:37:54,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 16:37:54,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 16:37:55,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:37:55,428 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 16:37:55,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:37:55,572 INFO L208 MainTranslator]: Completed translation [2020-07-21 16:37:55,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:55 WrapperNode [2020-07-21 16:37:55,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 16:37:55,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 16:37:55,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 16:37:55,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 16:37:55,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:55" (1/1) ... [2020-07-21 16:37:55,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:55" (1/1) ... [2020-07-21 16:37:55,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:55" (1/1) ... [2020-07-21 16:37:55,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:55" (1/1) ... [2020-07-21 16:37:55,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:55" (1/1) ... [2020-07-21 16:37:55,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:55" (1/1) ... [2020-07-21 16:37:55,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:55" (1/1) ... [2020-07-21 16:37:55,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 16:37:55,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 16:37:55,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 16:37:55,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 16:37:55,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 16:37:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 16:37:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 16:37:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 16:37:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 16:37:55,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 16:37:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 16:37:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 16:37:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 16:37:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 16:37:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 16:37:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 16:37:57,230 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 16:37:57,231 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 16:37:57,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:37:57 BoogieIcfgContainer [2020-07-21 16:37:57,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 16:37:57,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 16:37:57,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 16:37:57,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 16:37:57,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:37:54" (1/3) ... [2020-07-21 16:37:57,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fdb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:37:57, skipping insertion in model container [2020-07-21 16:37:57,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:37:55" (2/3) ... [2020-07-21 16:37:57,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fdb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:37:57, skipping insertion in model container [2020-07-21 16:37:57,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:37:57" (3/3) ... [2020-07-21 16:37:57,256 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label24.c [2020-07-21 16:37:57,267 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 16:37:57,280 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 16:37:57,295 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 16:37:57,330 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 16:37:57,331 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 16:37:57,331 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 16:37:57,331 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 16:37:57,332 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 16:37:57,332 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 16:37:57,332 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 16:37:57,332 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 16:37:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-07-21 16:37:57,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 16:37:57,365 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:37:57,366 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] [2020-07-21 16:37:57,366 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:37:57,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:37:57,373 INFO L82 PathProgramCache]: Analyzing trace with hash 2116109586, now seen corresponding path program 1 times [2020-07-21 16:37:57,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:37:57,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [203954227] [2020-07-21 16:37:57,383 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:57,509 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:37:57,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:37:57,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 16:37:57,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:37:57,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:57,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:37:57,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [203954227] [2020-07-21 16:37:57,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:37:57,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:37:57,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208857444] [2020-07-21 16:37:57,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:37:57,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:37:57,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:37:57,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:37:57,695 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2020-07-21 16:37:59,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:37:59,102 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2020-07-21 16:37:59,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:37:59,104 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 16:37:59,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:37:59,140 INFO L225 Difference]: With dead ends: 688 [2020-07-21 16:37:59,140 INFO L226 Difference]: Without dead ends: 372 [2020-07-21 16:37:59,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:37:59,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-07-21 16:37:59,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2020-07-21 16:37:59,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-07-21 16:37:59,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 602 transitions. [2020-07-21 16:37:59,234 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 602 transitions. Word has length 47 [2020-07-21 16:37:59,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:37:59,235 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 602 transitions. [2020-07-21 16:37:59,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:37:59,235 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 602 transitions. [2020-07-21 16:37:59,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-07-21 16:37:59,241 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:37:59,242 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, 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] [2020-07-21 16:37:59,455 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:59,455 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:37:59,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:37:59,456 INFO L82 PathProgramCache]: Analyzing trace with hash 13726601, now seen corresponding path program 1 times [2020-07-21 16:37:59,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:37:59,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [112768324] [2020-07-21 16:37:59,458 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:37:59,603 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:37:59,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:37:59,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:37:59,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:37:59,651 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:37:59,652 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:37:59,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [112768324] [2020-07-21 16:37:59,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:37:59,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:37:59,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533669579] [2020-07-21 16:37:59,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:37:59,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:37:59,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:37:59,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:37:59,656 INFO L87 Difference]: Start difference. First operand 372 states and 602 transitions. Second operand 3 states. [2020-07-21 16:38:00,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:00,601 INFO L93 Difference]: Finished difference Result 1102 states and 1805 transitions. [2020-07-21 16:38:00,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:38:00,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-07-21 16:38:00,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:00,609 INFO L225 Difference]: With dead ends: 1102 [2020-07-21 16:38:00,609 INFO L226 Difference]: Without dead ends: 736 [2020-07-21 16:38:00,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:00,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-07-21 16:38:00,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 554. [2020-07-21 16:38:00,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-07-21 16:38:00,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 794 transitions. [2020-07-21 16:38:00,652 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 794 transitions. Word has length 116 [2020-07-21 16:38:00,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:00,653 INFO L479 AbstractCegarLoop]: Abstraction has 554 states and 794 transitions. [2020-07-21 16:38:00,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:38:00,653 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 794 transitions. [2020-07-21 16:38:00,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-21 16:38:00,657 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:38:00,657 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, 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] [2020-07-21 16:38:00,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:00,873 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:38:00,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:38:00,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1939521290, now seen corresponding path program 1 times [2020-07-21 16:38:00,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:38:00,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473709935] [2020-07-21 16:38:00,876 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:00,950 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:38:00,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:38:00,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 16:38:00,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:38:01,012 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:38:01,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:38:01,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473709935] [2020-07-21 16:38:01,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:38:01,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 16:38:01,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954467494] [2020-07-21 16:38:01,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 16:38:01,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:38:01,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 16:38:01,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 16:38:01,016 INFO L87 Difference]: Start difference. First operand 554 states and 794 transitions. Second operand 5 states. [2020-07-21 16:38:02,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:02,319 INFO L93 Difference]: Finished difference Result 1494 states and 2252 transitions. [2020-07-21 16:38:02,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 16:38:02,320 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2020-07-21 16:38:02,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:02,333 INFO L225 Difference]: With dead ends: 1494 [2020-07-21 16:38:02,333 INFO L226 Difference]: Without dead ends: 946 [2020-07-21 16:38:02,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 16:38:02,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2020-07-21 16:38:02,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 934. [2020-07-21 16:38:02,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 934 states. [2020-07-21 16:38:02,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 934 states and 1328 transitions. [2020-07-21 16:38:02,426 INFO L78 Accepts]: Start accepts. Automaton has 934 states and 1328 transitions. Word has length 121 [2020-07-21 16:38:02,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:02,427 INFO L479 AbstractCegarLoop]: Abstraction has 934 states and 1328 transitions. [2020-07-21 16:38:02,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 16:38:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1328 transitions. [2020-07-21 16:38:02,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-21 16:38:02,439 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:38:02,439 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, 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] [2020-07-21 16:38:02,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:02,647 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:38:02,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:38:02,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1028566563, now seen corresponding path program 1 times [2020-07-21 16:38:02,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:38:02,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [267682554] [2020-07-21 16:38:02,650 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:02,734 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:38:02,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:38:02,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:38:02,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:38:02,772 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:38:02,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:38:02,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [267682554] [2020-07-21 16:38:02,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:38:02,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:38:02,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007214308] [2020-07-21 16:38:02,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:38:02,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:38:02,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:38:02,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:02,776 INFO L87 Difference]: Start difference. First operand 934 states and 1328 transitions. Second operand 3 states. [2020-07-21 16:38:03,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:03,611 INFO L93 Difference]: Finished difference Result 1304 states and 1844 transitions. [2020-07-21 16:38:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:38:03,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-07-21 16:38:03,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:03,624 INFO L225 Difference]: With dead ends: 1304 [2020-07-21 16:38:03,624 INFO L226 Difference]: Without dead ends: 1302 [2020-07-21 16:38:03,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:03,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2020-07-21 16:38:03,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 932. [2020-07-21 16:38:03,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2020-07-21 16:38:03,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1269 transitions. [2020-07-21 16:38:03,675 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1269 transitions. Word has length 142 [2020-07-21 16:38:03,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:03,677 INFO L479 AbstractCegarLoop]: Abstraction has 932 states and 1269 transitions. [2020-07-21 16:38:03,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:38:03,678 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1269 transitions. [2020-07-21 16:38:03,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-07-21 16:38:03,682 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:38:03,682 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:38:03,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:03,896 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:38:03,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:38:03,896 INFO L82 PathProgramCache]: Analyzing trace with hash 511372486, now seen corresponding path program 1 times [2020-07-21 16:38:03,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:38:03,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078134430] [2020-07-21 16:38:03,897 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:04,001 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:38:04,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:38:04,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 16:38:04,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:38:04,054 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-21 16:38:04,054 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:38:04,056 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:38:04,077 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:38:04,208 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-21 16:38:04,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:38:04,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078134430] [2020-07-21 16:38:04,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:38:04,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 16:38:04,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103595661] [2020-07-21 16:38:04,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 16:38:04,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:38:04,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 16:38:04,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 16:38:04,211 INFO L87 Difference]: Start difference. First operand 932 states and 1269 transitions. Second operand 5 states. [2020-07-21 16:38:05,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:05,625 INFO L93 Difference]: Finished difference Result 2252 states and 3022 transitions. [2020-07-21 16:38:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 16:38:05,626 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 233 [2020-07-21 16:38:05,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:05,634 INFO L225 Difference]: With dead ends: 2252 [2020-07-21 16:38:05,635 INFO L226 Difference]: Without dead ends: 1142 [2020-07-21 16:38:05,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-21 16:38:05,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2020-07-21 16:38:05,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1120. [2020-07-21 16:38:05,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2020-07-21 16:38:05,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1472 transitions. [2020-07-21 16:38:05,686 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1472 transitions. Word has length 233 [2020-07-21 16:38:05,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:05,687 INFO L479 AbstractCegarLoop]: Abstraction has 1120 states and 1472 transitions. [2020-07-21 16:38:05,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 16:38:05,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1472 transitions. [2020-07-21 16:38:05,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-07-21 16:38:05,694 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:38:05,694 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 16:38:05,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:05,909 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:38:05,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:38:05,909 INFO L82 PathProgramCache]: Analyzing trace with hash -266552290, now seen corresponding path program 1 times [2020-07-21 16:38:05,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:38:05,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [103645749] [2020-07-21 16:38:05,910 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:06,054 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:38:06,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:38:06,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 16:38:06,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:38:06,121 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-21 16:38:06,121 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:38:06,123 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:38:06,141 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:38:06,316 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 309 proven. 2 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-21 16:38:06,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:38:06,488 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-21 16:38:06,488 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:38:06,490 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-21 16:38:06,491 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:38:06,499 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:38:06,500 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:38:06,501 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:38:06,502 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:38:06,527 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:38:06,528 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:38:06,618 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:38:06,619 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:38:06,655 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:38:07,042 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 125 proven. 223 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-21 16:38:07,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [103645749] [2020-07-21 16:38:07,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:38:07,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2020-07-21 16:38:07,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67665125] [2020-07-21 16:38:07,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-21 16:38:07,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:38:07,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-21 16:38:07,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-07-21 16:38:07,046 INFO L87 Difference]: Start difference. First operand 1120 states and 1472 transitions. Second operand 13 states. [2020-07-21 16:38:10,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:10,526 INFO L93 Difference]: Finished difference Result 3560 states and 4753 transitions. [2020-07-21 16:38:10,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 16:38:10,526 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 317 [2020-07-21 16:38:10,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:10,542 INFO L225 Difference]: With dead ends: 3560 [2020-07-21 16:38:10,542 INFO L226 Difference]: Without dead ends: 2240 [2020-07-21 16:38:10,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 655 GetRequests, 632 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2020-07-21 16:38:10,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2240 states. [2020-07-21 16:38:10,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2240 to 1866. [2020-07-21 16:38:10,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1866 states. [2020-07-21 16:38:10,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1866 states and 2084 transitions. [2020-07-21 16:38:10,593 INFO L78 Accepts]: Start accepts. Automaton has 1866 states and 2084 transitions. Word has length 317 [2020-07-21 16:38:10,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:10,593 INFO L479 AbstractCegarLoop]: Abstraction has 1866 states and 2084 transitions. [2020-07-21 16:38:10,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-21 16:38:10,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2084 transitions. [2020-07-21 16:38:10,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2020-07-21 16:38:10,603 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:38:10,603 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 16:38:10,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:10,817 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:38:10,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:38:10,818 INFO L82 PathProgramCache]: Analyzing trace with hash 125799061, now seen corresponding path program 1 times [2020-07-21 16:38:10,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:38:10,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [581221177] [2020-07-21 16:38:10,819 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:11,031 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:38:11,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:38:11,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:38:11,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:38:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 485 proven. 2 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-07-21 16:38:11,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:38:11,340 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 242 proven. 148 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-07-21 16:38:11,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [581221177] [2020-07-21 16:38:11,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:38:11,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 16:38:11,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755582667] [2020-07-21 16:38:11,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 16:38:11,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:38:11,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 16:38:11,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 16:38:11,343 INFO L87 Difference]: Start difference. First operand 1866 states and 2084 transitions. Second operand 7 states. [2020-07-21 16:38:12,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:12,870 INFO L93 Difference]: Finished difference Result 5594 states and 6452 transitions. [2020-07-21 16:38:12,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 16:38:12,871 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 418 [2020-07-21 16:38:12,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:12,891 INFO L225 Difference]: With dead ends: 5594 [2020-07-21 16:38:12,891 INFO L226 Difference]: Without dead ends: 3916 [2020-07-21 16:38:12,896 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 845 GetRequests, 834 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 16:38:12,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3916 states. [2020-07-21 16:38:12,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3916 to 3364. [2020-07-21 16:38:12,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3364 states. [2020-07-21 16:38:12,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 3364 states and 3814 transitions. [2020-07-21 16:38:12,985 INFO L78 Accepts]: Start accepts. Automaton has 3364 states and 3814 transitions. Word has length 418 [2020-07-21 16:38:12,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:12,985 INFO L479 AbstractCegarLoop]: Abstraction has 3364 states and 3814 transitions. [2020-07-21 16:38:12,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 16:38:12,986 INFO L276 IsEmpty]: Start isEmpty. Operand 3364 states and 3814 transitions. [2020-07-21 16:38:13,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2020-07-21 16:38:13,003 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:38:13,004 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-07-21 16:38:13,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:13,219 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:38:13,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:38:13,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1929187522, now seen corresponding path program 1 times [2020-07-21 16:38:13,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:38:13,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095577816] [2020-07-21 16:38:13,221 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:13,485 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:38:13,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:38:13,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 16:38:13,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:38:13,548 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-21 16:38:13,550 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:38:13,552 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 1] term [2020-07-21 16:38:13,552 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:38:13,582 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:38:13,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 790 proven. 2 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2020-07-21 16:38:13,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:38:14,083 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-21 16:38:14,084 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:38:14,085 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:38:14,086 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:38:14,087 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:38:14,087 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:38:14,088 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:38:14,089 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 1] term [2020-07-21 16:38:14,090 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:38:14,111 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:38:14,112 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:38:14,114 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:38:14,115 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 16:38:14,116 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:38:14,219 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:38:14,231 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:38:14,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 547 proven. 74 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2020-07-21 16:38:14,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095577816] [2020-07-21 16:38:14,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:38:14,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 16:38:14,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2502834] [2020-07-21 16:38:14,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 16:38:14,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:38:14,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 16:38:14,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 16:38:14,780 INFO L87 Difference]: Start difference. First operand 3364 states and 3814 transitions. Second operand 7 states. [2020-07-21 16:38:16,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:16,722 INFO L93 Difference]: Finished difference Result 7646 states and 8721 transitions. [2020-07-21 16:38:16,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 16:38:16,723 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 585 [2020-07-21 16:38:16,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:16,741 INFO L225 Difference]: With dead ends: 7646 [2020-07-21 16:38:16,741 INFO L226 Difference]: Without dead ends: 4286 [2020-07-21 16:38:16,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1183 GetRequests, 1170 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-07-21 16:38:16,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4286 states. [2020-07-21 16:38:16,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4286 to 3912. [2020-07-21 16:38:16,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3912 states. [2020-07-21 16:38:16,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3912 states and 4389 transitions. [2020-07-21 16:38:16,837 INFO L78 Accepts]: Start accepts. Automaton has 3912 states and 4389 transitions. Word has length 585 [2020-07-21 16:38:16,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:16,838 INFO L479 AbstractCegarLoop]: Abstraction has 3912 states and 4389 transitions. [2020-07-21 16:38:16,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 16:38:16,838 INFO L276 IsEmpty]: Start isEmpty. Operand 3912 states and 4389 transitions. [2020-07-21 16:38:16,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2020-07-21 16:38:16,848 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:38:16,849 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-07-21 16:38:17,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:17,063 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:38:17,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:38:17,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1611163502, now seen corresponding path program 1 times [2020-07-21 16:38:17,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:38:17,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1659633790] [2020-07-21 16:38:17,064 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 [2020-07-21 16:38:17,354 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:38:17,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:38:17,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 16:38:17,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:38:17,389 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:38:17,390 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:38:17,390 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 16:38:17,392 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 16:38:17,393 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 16:38:17,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 943 trivial. 0 not checked. [2020-07-21 16:38:17,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:38:17,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1659633790] [2020-07-21 16:38:17,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:38:17,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 16:38:17,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169616450] [2020-07-21 16:38:17,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 16:38:17,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:38:17,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 16:38:17,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:17,781 INFO L87 Difference]: Start difference. First operand 3912 states and 4389 transitions. Second operand 3 states. [2020-07-21 16:38:18,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:38:18,797 INFO L93 Difference]: Finished difference Result 8730 states and 9863 transitions. [2020-07-21 16:38:18,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 16:38:18,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 625 [2020-07-21 16:38:18,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:38:18,799 INFO L225 Difference]: With dead ends: 8730 [2020-07-21 16:38:18,800 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 16:38:18,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 623 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 16:38:18,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 16:38:18,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 16:38:18,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 16:38:18,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 16:38:18,846 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 625 [2020-07-21 16:38:18,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:38:18,847 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 16:38:18,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 16:38:18,847 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 16:38:18,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 16:38:19,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:38:19,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 16:38:21,015 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 191 DAG size of output: 74 [2020-07-21 16:38:21,322 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 54 [2020-07-21 16:38:21,631 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 54 [2020-07-21 16:38:21,639 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:38:21,639 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a12~0 |old(~a12~0)|) (<= ~a24~0 |old(~a24~0)|) (<= ~a21~0 |old(~a21~0)|) (<= ~a15~0 |old(~a15~0)|) (<= |old(~a21~0)| ~a21~0)) [2020-07-21 16:38:21,639 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:38:21,639 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-07-21 16:38:21,639 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-07-21 16:38:21,640 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,640 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,640 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,640 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-07-21 16:38:21,640 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-21 16:38:21,640 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-21 16:38:21,640 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-21 16:38:21,640 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-07-21 16:38:21,640 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-07-21 16:38:21,641 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-07-21 16:38:21,641 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-07-21 16:38:21,641 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,641 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,641 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,641 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-07-21 16:38:21,641 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-07-21 16:38:21,641 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-21 16:38:21,641 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-21 16:38:21,641 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-21 16:38:21,641 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-07-21 16:38:21,641 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-07-21 16:38:21,642 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-07-21 16:38:21,642 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,642 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,642 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,642 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-07-21 16:38:21,642 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 16:38:21,642 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-21 16:38:21,642 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-21 16:38:21,642 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-07-21 16:38:21,643 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-07-21 16:38:21,643 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-07-21 16:38:21,643 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-07-21 16:38:21,643 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-07-21 16:38:21,643 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,643 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,643 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,643 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-07-21 16:38:21,643 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-21 16:38:21,644 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-21 16:38:21,644 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-21 16:38:21,644 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-07-21 16:38:21,644 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-07-21 16:38:21,644 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-07-21 16:38:21,644 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,644 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,644 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,645 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-07-21 16:38:21,645 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-21 16:38:21,645 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-21 16:38:21,645 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-21 16:38:21,645 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-07-21 16:38:21,645 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-07-21 16:38:21,645 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-07-21 16:38:21,645 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-07-21 16:38:21,646 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-07-21 16:38:21,646 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,646 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,646 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,646 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,646 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-07-21 16:38:21,646 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-21 16:38:21,647 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 16:38:21,647 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-21 16:38:21,647 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-07-21 16:38:21,647 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-07-21 16:38:21,647 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-07-21 16:38:21,647 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-07-21 16:38:21,647 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,647 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,648 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,648 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-21 16:38:21,648 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-21 16:38:21,648 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-21 16:38:21,648 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-07-21 16:38:21,648 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-07-21 16:38:21,648 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-07-21 16:38:21,648 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-07-21 16:38:21,649 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-07-21 16:38:21,649 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,649 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,649 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,649 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-07-21 16:38:21,649 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-07-21 16:38:21,649 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 16:38:21,649 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-21 16:38:21,649 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-21 16:38:21,649 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-07-21 16:38:21,650 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse9 (<= ~a12~0 |old(~a12~0)|)) (.cse1 (<= 7 ~a15~0)) (.cse10 (<= ~a24~0 |old(~a24~0)|)) (.cse11 (<= ~a21~0 |old(~a21~0)|)) (.cse12 (<= ~a15~0 |old(~a15~0)|)) (.cse13 (<= |old(~a21~0)| ~a21~0))) (let ((.cse3 (and .cse9 .cse1 .cse10 .cse11 .cse12 .cse13)) (.cse2 (not (<= 7 |old(~a15~0)|))) (.cse4 (not (< |old(~a21~0)| 9))) (.cse0 (forall ((v_~a12~0_507 Int)) (or (not (<= 0 v_~a12~0_507)) (not (< 80 v_~a12~0_507)) (not (<= (+ (mod v_~a12~0_507 34) 13) |old(~a12~0)|))))) (.cse6 (and (let ((.cse14 (<= ~a15~0 8))) (or (and .cse9 .cse1 .cse10 .cse12 .cse14) (and .cse9 .cse10 .cse12 .cse14 (<= 7 ~a21~0)))) .cse11 .cse13)) (.cse8 (not (<= |old(~a15~0)| 8))) (.cse5 (not (<= |old(~a24~0)| 1))) (.cse7 (not (<= 7 |old(~a21~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2 .cse4) (or .cse5 .cse3 .cse2) (or .cse6 .cse7 .cse8 .cse4) (or .cse0 (and .cse9 .cse10 .cse11 .cse12 (exists ((v_~a12~0_507 Int)) (and (<= (+ (mod v_~a12~0_507 34) 13) ~a12~0) (< 80 v_~a12~0_507) (<= 0 v_~a12~0_507))) .cse13)) (or .cse6 (not (<= 10 |old(~a21~0)|)) .cse8) (or .cse5 .cse7 (and .cse9 .cse10 .cse11 .cse12 .cse13)) (or (and .cse9 .cse11 .cse10 .cse12 .cse13) (not (<= |old(~a15~0)| 5)))))) [2020-07-21 16:38:21,650 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-07-21 16:38:21,650 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-07-21 16:38:21,650 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,650 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,650 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,650 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 16:38:21,650 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 16:38:21,650 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-21 16:38:21,650 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-07-21 16:38:21,651 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-07-21 16:38:21,651 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-07-21 16:38:21,651 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-07-21 16:38:21,651 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-07-21 16:38:21,651 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,651 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,651 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,651 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-07-21 16:38:21,651 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-07-21 16:38:21,651 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 16:38:21,651 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 16:38:21,651 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-21 16:38:21,652 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-07-21 16:38:21,652 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-07-21 16:38:21,652 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-07-21 16:38:21,652 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,652 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,652 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,652 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-07-21 16:38:21,652 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-21 16:38:21,653 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-21 16:38:21,653 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-21 16:38:21,653 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-07-21 16:38:21,653 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-07-21 16:38:21,653 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-07-21 16:38:21,653 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-07-21 16:38:21,653 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,653 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,654 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,654 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-07-21 16:38:21,654 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 16:38:21,654 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-21 16:38:21,654 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-21 16:38:21,654 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-07-21 16:38:21,654 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-07-21 16:38:21,654 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-07-21 16:38:21,655 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-07-21 16:38:21,655 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,655 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,655 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-07-21 16:38:21,655 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-21 16:38:21,655 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-21 16:38:21,655 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-07-21 16:38:21,655 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-07-21 16:38:21,655 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-07-21 16:38:21,656 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-07-21 16:38:21,656 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-07-21 16:38:21,656 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 127) no Hoare annotation was computed. [2020-07-21 16:38:21,656 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,656 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,656 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-07-21 16:38:21,656 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-21 16:38:21,657 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-21 16:38:21,657 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-07-21 16:38:21,657 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-07-21 16:38:21,657 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-07-21 16:38:21,657 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,657 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,657 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-07-21 16:38:21,657 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-07-21 16:38:21,658 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-21 16:38:21,658 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-21 16:38:21,658 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-07-21 16:38:21,658 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-07-21 16:38:21,658 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-07-21 16:38:21,658 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-07-21 16:38:21,658 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,658 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,658 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-07-21 16:38:21,659 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-07-21 16:38:21,659 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-21 16:38:21,659 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 16:38:21,659 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-07-21 16:38:21,659 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-07-21 16:38:21,659 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-07-21 16:38:21,659 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,659 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,660 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,660 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-07-21 16:38:21,660 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-07-21 16:38:21,660 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-21 16:38:21,660 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 16:38:21,660 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-07-21 16:38:21,660 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-07-21 16:38:21,660 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,660 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,660 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-21 16:38:21,661 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,661 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-07-21 16:38:21,661 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-07-21 16:38:21,661 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-07-21 16:38:21,661 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-21 16:38:21,661 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 16:38:21,661 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-21 16:38:21,661 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-07-21 16:38:21,662 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-07-21 16:38:21,662 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-07-21 16:38:21,662 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-07-21 16:38:21,662 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,662 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,662 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,662 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-07-21 16:38:21,662 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-21 16:38:21,662 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 16:38:21,663 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-21 16:38:21,663 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-07-21 16:38:21,663 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-07-21 16:38:21,663 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-07-21 16:38:21,663 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-07-21 16:38:21,663 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,663 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,663 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,663 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-07-21 16:38:21,664 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-07-21 16:38:21,664 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-21 16:38:21,664 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-21 16:38:21,664 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-21 16:38:21,664 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-07-21 16:38:21,664 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-07-21 16:38:21,664 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-07-21 16:38:21,664 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,665 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,665 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,665 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-07-21 16:38:21,665 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-21 16:38:21,665 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-21 16:38:21,665 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-21 16:38:21,665 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-07-21 16:38:21,665 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-07-21 16:38:21,666 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-07-21 16:38:21,666 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-07-21 16:38:21,666 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-07-21 16:38:21,666 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,666 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,666 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-07-21 16:38:21,666 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-07-21 16:38:21,666 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-21 16:38:21,666 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-21 16:38:21,667 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-21 16:38:21,667 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-07-21 16:38:21,667 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:38:21,667 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a24~0 1) (<= (+ ~a12~0 49) 0) (<= 7 ~a15~0) (< 6 ~a21~0) (< ~a15~0 9) (<= ~a21~0 7)) [2020-07-21 16:38:21,667 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 16:38:21,667 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:38:21,667 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= |old(~a24~0)| 1)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= ~a12~0 |old(~a12~0)|) (<= 7 ~a15~0) (<= ~a24~0 |old(~a24~0)|) (<= ~a21~0 |old(~a21~0)|) (<= ~a15~0 |old(~a15~0)|) (<= 7 ~a21~0)) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7)) (not (< 6 |old(~a21~0)|))) [2020-07-21 16:38:21,668 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-07-21 16:38:21,668 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (< 6 ~a21~0)) (.cse0 (< ~a21~0 9))) (or (not (<= |old(~a24~0)| 1)) (and .cse0 .cse1) (<= ~a15~0 5) (not (<= (+ |old(~a12~0)| 49) 0)) (and (< ~a24~0 2) .cse1) (and (<= ~a15~0 8) (<= 10 ~a21~0)) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7)) (not (< 6 |old(~a21~0)|)) (and .cse0 (<= 7 ~a15~0)) (exists ((v_~a12~0_507 Int)) (and (<= (+ (mod v_~a12~0_507 34) 13) ~a12~0) (< 80 v_~a12~0_507) (<= 0 v_~a12~0_507))))) [2020-07-21 16:38:21,668 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-21 16:38:21,668 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-21 16:38:21,668 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (< 6 ~a21~0)) (.cse0 (< ~a21~0 9))) (or (not (<= |old(~a24~0)| 1)) (and .cse0 .cse1) (<= ~a15~0 5) (not (<= (+ |old(~a12~0)| 49) 0)) (and (< ~a24~0 2) .cse1) (and (<= ~a15~0 8) (<= 10 ~a21~0)) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7)) (not (< 6 |old(~a21~0)|)) (and .cse0 (<= 7 ~a15~0)) (exists ((v_~a12~0_507 Int)) (and (<= (+ (mod v_~a12~0_507 34) 13) ~a12~0) (< 80 v_~a12~0_507) (<= 0 v_~a12~0_507))))) [2020-07-21 16:38:21,669 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-07-21 16:38:21,680 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-21 16:38:21,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-21 16:38:21,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-21 16:38:21,691 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-21 16:38:21,691 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-21 16:38:21,692 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-21 16:38:21,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:38:21 BoogieIcfgContainer [2020-07-21 16:38:21,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 16:38:21,701 INFO L168 Benchmark]: Toolchain (without parser) took 26940.32 ms. Allocated memory was 139.5 MB in the beginning and 714.6 MB in the end (delta: 575.1 MB). Free memory was 101.9 MB in the beginning and 311.2 MB in the end (delta: -209.3 MB). Peak memory consumption was 365.8 MB. Max. memory is 7.1 GB. [2020-07-21 16:38:21,702 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 16:38:21,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 814.49 ms. Allocated memory was 139.5 MB in the beginning and 207.1 MB in the end (delta: 67.6 MB). Free memory was 101.4 MB in the beginning and 169.8 MB in the end (delta: -68.3 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. [2020-07-21 16:38:21,703 INFO L168 Benchmark]: Boogie Preprocessor took 148.15 ms. Allocated memory is still 207.1 MB. Free memory was 169.8 MB in the beginning and 164.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2020-07-21 16:38:21,709 INFO L168 Benchmark]: RCFGBuilder took 1521.65 ms. Allocated memory was 207.1 MB in the beginning and 241.2 MB in the end (delta: 34.1 MB). Free memory was 164.1 MB in the beginning and 157.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. [2020-07-21 16:38:21,715 INFO L168 Benchmark]: TraceAbstraction took 24449.14 ms. Allocated memory was 241.2 MB in the beginning and 714.6 MB in the end (delta: 473.4 MB). Free memory was 157.2 MB in the beginning and 311.2 MB in the end (delta: -154.0 MB). Peak memory consumption was 319.5 MB. Max. memory is 7.1 GB. [2020-07-21 16:38:21,723 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 814.49 ms. Allocated memory was 139.5 MB in the beginning and 207.1 MB in the end (delta: 67.6 MB). Free memory was 101.4 MB in the beginning and 169.8 MB in the end (delta: -68.3 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.15 ms. Allocated memory is still 207.1 MB. Free memory was 169.8 MB in the beginning and 164.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1521.65 ms. Allocated memory was 207.1 MB in the beginning and 241.2 MB in the end (delta: 34.1 MB). Free memory was 164.1 MB in the beginning and 157.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24449.14 ms. Allocated memory was 241.2 MB in the beginning and 714.6 MB in the end (delta: 473.4 MB). Free memory was 157.2 MB in the beginning and 311.2 MB in the end (delta: -154.0 MB). Peak memory consumption was 319.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 127]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant [2020-07-21 16:38:21,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-21 16:38:21,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-21 16:38:21,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-21 16:38:21,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-21 16:38:21,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-21 16:38:21,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] Derived loop invariant: ((((((((((!(\old(a24) <= 1) || (a21 < 9 && 6 < a21)) || a15 <= 5) || !(\old(a12) + 49 <= 0)) || (a24 < 2 && 6 < a21)) || (a15 <= 8 && 10 <= a21)) || !(7 <= \old(a15))) || !(\old(a15) <= 8)) || !(\old(a21) <= 7)) || !(6 < \old(a21))) || (a21 < 9 && 7 <= a15)) || (\exists v_~a12~0_507 : int :: (v_~a12~0_507 % 34 + 13 <= a12 && 80 < v_~a12~0_507) && 0 <= v_~a12~0_507) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.7s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 685 SDtfs, 4860 SDslu, 322 SDs, 0 SdLazy, 8147 SolverSat, 1845 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3967 GetRequests, 3904 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3912occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 1886 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 100 PreInvPairs, 166 NumberOfFragments, 511 HoareAnnotationTreeSize, 100 FomulaSimplifications, 4895 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4127 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 2604 NumberOfCodeBlocks, 2604 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3912 ConstructedInterpolants, 43 QuantifiedInterpolants, 6502552 SizeOfPredicates, 18 NumberOfNonLiveVariables, 4399 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 5278/5729 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...