/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 4 -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 [2020-07-20 17:32:19,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 17:32:19,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 17:32:19,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 17:32:19,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 17:32:19,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 17:32:19,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 17:32:19,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 17:32:19,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 17:32:19,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 17:32:19,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 17:32:19,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 17:32:19,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 17:32:19,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 17:32:19,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 17:32:19,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 17:32:19,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 17:32:19,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 17:32:19,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 17:32:19,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 17:32:19,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 17:32:19,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 17:32:19,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 17:32:19,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 17:32:19,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 17:32:19,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 17:32:19,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 17:32:19,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 17:32:19,713 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 17:32:19,731 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 17:32:19,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 17:32:19,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 17:32:19,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 17:32:19,733 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 17:32:19,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 17:32:19,734 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 17:32:19,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 17:32:19,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 17:32:19,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 17:32:19,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 17:32:19,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 17:32:19,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 17:32:19,735 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 17:32:19,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 17:32:19,735 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 17:32:19,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 17:32:19,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 17:32:19,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 17:32:19,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 17:32:19,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 17:32:19,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:32:19,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 17:32:19,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 17:32:19,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 17:32:19,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 17:32:19,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:19,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 17:32:19,738 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 17:32:19,738 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 -> 4 [2020-07-20 17:32:20,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 17:32:20,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 17:32:20,026 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 17:32:20,027 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 17:32:20,027 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 17:32:20,028 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2020-07-20 17:32:20,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47d615d2e/5aba62383b0f4a5bad37a162682036da/FLAGb4d257f3b [2020-07-20 17:32:20,656 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 17:32:20,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2020-07-20 17:32:20,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47d615d2e/5aba62383b0f4a5bad37a162682036da/FLAGb4d257f3b [2020-07-20 17:32:20,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47d615d2e/5aba62383b0f4a5bad37a162682036da [2020-07-20 17:32:20,953 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 17:32:20,956 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 17:32:20,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 17:32:20,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 17:32:20,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 17:32:20,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:32:20" (1/1) ... [2020-07-20 17:32:20,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125eb49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:20, skipping insertion in model container [2020-07-20 17:32:20,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:32:20" (1/1) ... [2020-07-20 17:32:20,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 17:32:21,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 17:32:21,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:32:21,547 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 17:32:21,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:32:21,720 INFO L208 MainTranslator]: Completed translation [2020-07-20 17:32:21,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:21 WrapperNode [2020-07-20 17:32:21,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 17:32:21,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 17:32:21,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 17:32:21,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 17:32:21,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:21" (1/1) ... [2020-07-20 17:32:21,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:21" (1/1) ... [2020-07-20 17:32:21,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:21" (1/1) ... [2020-07-20 17:32:21,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:21" (1/1) ... [2020-07-20 17:32:21,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:21" (1/1) ... [2020-07-20 17:32:21,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:21" (1/1) ... [2020-07-20 17:32:21,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:21" (1/1) ... [2020-07-20 17:32:21,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 17:32:21,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 17:32:21,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 17:32:21,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 17:32:21,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:32:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 17:32:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 17:32:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 17:32:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 17:32:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 17:32:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 17:32:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 17:32:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 17:32:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 17:32:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 17:32:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 17:32:23,377 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 17:32:23,378 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 17:32:23,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:32:23 BoogieIcfgContainer [2020-07-20 17:32:23,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 17:32:23,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 17:32:23,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 17:32:23,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 17:32:23,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:32:20" (1/3) ... [2020-07-20 17:32:23,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dbfc35a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:32:23, skipping insertion in model container [2020-07-20 17:32:23,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:21" (2/3) ... [2020-07-20 17:32:23,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dbfc35a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:32:23, skipping insertion in model container [2020-07-20 17:32:23,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:32:23" (3/3) ... [2020-07-20 17:32:23,393 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label24.c [2020-07-20 17:32:23,403 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 17:32:23,411 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 17:32:23,425 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 17:32:23,450 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 17:32:23,451 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 17:32:23,451 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 17:32:23,451 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 17:32:23,452 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 17:32:23,452 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 17:32:23,452 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 17:32:23,452 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 17:32:23,475 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-07-20 17:32:23,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 17:32:23,483 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:32:23,484 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] [2020-07-20 17:32:23,485 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:32:23,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:32:23,491 INFO L82 PathProgramCache]: Analyzing trace with hash 2116109586, now seen corresponding path program 1 times [2020-07-20 17:32:23,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:32:23,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407816451] [2020-07-20 17:32:23,501 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 17:32:23,617 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:32:23,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:32:23,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:32:23,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:32:23,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:32:23,710 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:32:23,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1407816451] [2020-07-20 17:32:23,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:32:23,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:32:23,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342814522] [2020-07-20 17:32:23,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:32:23,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:32:23,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:32:23,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:32:23,739 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2020-07-20 17:32:24,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:32:24,872 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2020-07-20 17:32:24,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:32:24,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 17:32:24,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:32:24,891 INFO L225 Difference]: With dead ends: 688 [2020-07-20 17:32:24,891 INFO L226 Difference]: Without dead ends: 372 [2020-07-20 17:32:24,898 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 [2020-07-20 17:32:24,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-07-20 17:32:24,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2020-07-20 17:32:24,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-07-20 17:32:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 602 transitions. [2020-07-20 17:32:24,997 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 602 transitions. Word has length 47 [2020-07-20 17:32:24,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:32:24,998 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 602 transitions. [2020-07-20 17:32:24,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:32:24,998 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 602 transitions. [2020-07-20 17:32:25,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-07-20 17:32:25,006 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:32:25,007 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] [2020-07-20 17:32:25,222 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:25,222 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:32:25,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:32:25,223 INFO L82 PathProgramCache]: Analyzing trace with hash 13726601, now seen corresponding path program 1 times [2020-07-20 17:32:25,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:32:25,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [400383691] [2020-07-20 17:32:25,225 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 17:32:25,322 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:32:25,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:32:25,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:32:25,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:32:25,382 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:32:25,382 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:32:25,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [400383691] [2020-07-20 17:32:25,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:32:25,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:32:25,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129501818] [2020-07-20 17:32:25,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:32:25,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:32:25,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:32:25,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:32:25,387 INFO L87 Difference]: Start difference. First operand 372 states and 602 transitions. Second operand 3 states. [2020-07-20 17:32:26,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:32:26,329 INFO L93 Difference]: Finished difference Result 1102 states and 1805 transitions. [2020-07-20 17:32:26,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:32:26,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-07-20 17:32:26,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:32:26,337 INFO L225 Difference]: With dead ends: 1102 [2020-07-20 17:32:26,337 INFO L226 Difference]: Without dead ends: 736 [2020-07-20 17:32:26,339 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 [2020-07-20 17:32:26,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-07-20 17:32:26,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 554. [2020-07-20 17:32:26,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-07-20 17:32:26,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 794 transitions. [2020-07-20 17:32:26,376 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 794 transitions. Word has length 116 [2020-07-20 17:32:26,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:32:26,377 INFO L479 AbstractCegarLoop]: Abstraction has 554 states and 794 transitions. [2020-07-20 17:32:26,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:32:26,377 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 794 transitions. [2020-07-20 17:32:26,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-20 17:32:26,380 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:32:26,380 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] [2020-07-20 17:32:26,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:26,594 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:32:26,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:32:26,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1939521290, now seen corresponding path program 1 times [2020-07-20 17:32:26,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:32:26,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757987737] [2020-07-20 17:32:26,597 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 17:32:26,671 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:32:26,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:32:26,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:32:26,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:32:26,743 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:32:26,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:32:26,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757987737] [2020-07-20 17:32:26,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:32:26,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 17:32:26,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303609169] [2020-07-20 17:32:26,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 17:32:26,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:32:26,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 17:32:26,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:32:26,746 INFO L87 Difference]: Start difference. First operand 554 states and 794 transitions. Second operand 5 states. [2020-07-20 17:32:28,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:32:28,091 INFO L93 Difference]: Finished difference Result 1494 states and 2252 transitions. [2020-07-20 17:32:28,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 17:32:28,092 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2020-07-20 17:32:28,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:32:28,108 INFO L225 Difference]: With dead ends: 1494 [2020-07-20 17:32:28,108 INFO L226 Difference]: Without dead ends: 946 [2020-07-20 17:32:28,110 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 [2020-07-20 17:32:28,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2020-07-20 17:32:28,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 934. [2020-07-20 17:32:28,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 934 states. [2020-07-20 17:32:28,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 934 states and 1328 transitions. [2020-07-20 17:32:28,185 INFO L78 Accepts]: Start accepts. Automaton has 934 states and 1328 transitions. Word has length 121 [2020-07-20 17:32:28,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:32:28,185 INFO L479 AbstractCegarLoop]: Abstraction has 934 states and 1328 transitions. [2020-07-20 17:32:28,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 17:32:28,186 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1328 transitions. [2020-07-20 17:32:28,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-20 17:32:28,194 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:32:28,194 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] [2020-07-20 17:32:28,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:28,396 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:32:28,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:32:28,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1028566563, now seen corresponding path program 1 times [2020-07-20 17:32:28,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:32:28,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352400778] [2020-07-20 17:32:28,398 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 17:32:28,486 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:32:28,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:32:28,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:32:28,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:32:28,522 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:32:28,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:32:28,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352400778] [2020-07-20 17:32:28,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:32:28,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:32:28,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029850530] [2020-07-20 17:32:28,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:32:28,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:32:28,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:32:28,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:32:28,525 INFO L87 Difference]: Start difference. First operand 934 states and 1328 transitions. Second operand 3 states. [2020-07-20 17:32:29,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:32:29,374 INFO L93 Difference]: Finished difference Result 1304 states and 1844 transitions. [2020-07-20 17:32:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:32:29,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-07-20 17:32:29,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:32:29,387 INFO L225 Difference]: With dead ends: 1304 [2020-07-20 17:32:29,387 INFO L226 Difference]: Without dead ends: 1302 [2020-07-20 17:32:29,388 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 [2020-07-20 17:32:29,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2020-07-20 17:32:29,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 932. [2020-07-20 17:32:29,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2020-07-20 17:32:29,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1269 transitions. [2020-07-20 17:32:29,438 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1269 transitions. Word has length 142 [2020-07-20 17:32:29,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:32:29,439 INFO L479 AbstractCegarLoop]: Abstraction has 932 states and 1269 transitions. [2020-07-20 17:32:29,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:32:29,440 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1269 transitions. [2020-07-20 17:32:29,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-07-20 17:32:29,447 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:32:29,447 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] [2020-07-20 17:32:29,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:29,662 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:32:29,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:32:29,663 INFO L82 PathProgramCache]: Analyzing trace with hash 511372486, now seen corresponding path program 1 times [2020-07-20 17:32:29,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:32:29,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [99137775] [2020-07-20 17:32:29,665 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 17:32:29,776 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:32:29,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:32:29,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 17:32:29,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:32:29,836 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 17:32:29,836 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:29,837 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:29,856 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:29,965 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-20 17:32:29,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:32:29,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [99137775] [2020-07-20 17:32:29,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:32:29,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 17:32:29,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400506076] [2020-07-20 17:32:29,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 17:32:29,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:32:29,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 17:32:29,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:32:29,968 INFO L87 Difference]: Start difference. First operand 932 states and 1269 transitions. Second operand 5 states. [2020-07-20 17:32:31,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:32:31,360 INFO L93 Difference]: Finished difference Result 2252 states and 3022 transitions. [2020-07-20 17:32:31,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 17:32:31,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 233 [2020-07-20 17:32:31,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:32:31,367 INFO L225 Difference]: With dead ends: 2252 [2020-07-20 17:32:31,368 INFO L226 Difference]: Without dead ends: 1142 [2020-07-20 17:32:31,370 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 [2020-07-20 17:32:31,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2020-07-20 17:32:31,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1120. [2020-07-20 17:32:31,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2020-07-20 17:32:31,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1472 transitions. [2020-07-20 17:32:31,400 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1472 transitions. Word has length 233 [2020-07-20 17:32:31,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:32:31,401 INFO L479 AbstractCegarLoop]: Abstraction has 1120 states and 1472 transitions. [2020-07-20 17:32:31,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 17:32:31,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1472 transitions. [2020-07-20 17:32:31,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-07-20 17:32:31,407 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:32:31,407 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] [2020-07-20 17:32:31,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:31,623 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:32:31,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:32:31,624 INFO L82 PathProgramCache]: Analyzing trace with hash -266552290, now seen corresponding path program 1 times [2020-07-20 17:32:31,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:32:31,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1414948460] [2020-07-20 17:32:31,624 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 17:32:31,766 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:32:31,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:32:31,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 17:32:31,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:32:31,838 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 17:32:31,839 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:31,840 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:31,858 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:31,978 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 309 proven. 2 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-20 17:32:31,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:32:32,166 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-20 17:32:32,170 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:32,175 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-20 17:32:32,176 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:32,178 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:32:32,182 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:32,185 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:32,186 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:32:32,206 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:32,207 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:32:32,290 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:32,291 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:32,326 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:32,658 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 125 proven. 223 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 17:32:32,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1414948460] [2020-07-20 17:32:32,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:32:32,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2020-07-20 17:32:32,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509773710] [2020-07-20 17:32:32,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 17:32:32,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:32:32,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 17:32:32,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-07-20 17:32:32,661 INFO L87 Difference]: Start difference. First operand 1120 states and 1472 transitions. Second operand 13 states. [2020-07-20 17:32:35,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:32:35,998 INFO L93 Difference]: Finished difference Result 3560 states and 4753 transitions. [2020-07-20 17:32:35,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 17:32:35,999 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 317 [2020-07-20 17:32:36,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:32:36,010 INFO L225 Difference]: With dead ends: 3560 [2020-07-20 17:32:36,010 INFO L226 Difference]: Without dead ends: 2240 [2020-07-20 17:32:36,019 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 [2020-07-20 17:32:36,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2240 states. [2020-07-20 17:32:36,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2240 to 1866. [2020-07-20 17:32:36,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1866 states. [2020-07-20 17:32:36,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1866 states and 2084 transitions. [2020-07-20 17:32:36,073 INFO L78 Accepts]: Start accepts. Automaton has 1866 states and 2084 transitions. Word has length 317 [2020-07-20 17:32:36,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:32:36,074 INFO L479 AbstractCegarLoop]: Abstraction has 1866 states and 2084 transitions. [2020-07-20 17:32:36,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 17:32:36,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2084 transitions. [2020-07-20 17:32:36,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2020-07-20 17:32:36,082 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:32:36,083 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] [2020-07-20 17:32:36,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:36,299 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:32:36,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:32:36,300 INFO L82 PathProgramCache]: Analyzing trace with hash 125799061, now seen corresponding path program 1 times [2020-07-20 17:32:36,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:32:36,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [720740871] [2020-07-20 17:32:36,301 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 17:32:36,483 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:32:36,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:32:36,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:32:36,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:32:36,630 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 485 proven. 2 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-07-20 17:32:36,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:32:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 242 proven. 148 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-07-20 17:32:36,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [720740871] [2020-07-20 17:32:36,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:32:36,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 17:32:36,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367464568] [2020-07-20 17:32:36,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:32:36,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:32:36,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:32:36,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:32:36,882 INFO L87 Difference]: Start difference. First operand 1866 states and 2084 transitions. Second operand 7 states. [2020-07-20 17:32:38,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:32:38,354 INFO L93 Difference]: Finished difference Result 5594 states and 6452 transitions. [2020-07-20 17:32:38,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-20 17:32:38,358 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 418 [2020-07-20 17:32:38,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:32:38,375 INFO L225 Difference]: With dead ends: 5594 [2020-07-20 17:32:38,375 INFO L226 Difference]: Without dead ends: 3916 [2020-07-20 17:32:38,381 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 [2020-07-20 17:32:38,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3916 states. [2020-07-20 17:32:38,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3916 to 3364. [2020-07-20 17:32:38,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3364 states. [2020-07-20 17:32:38,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 3364 states and 3814 transitions. [2020-07-20 17:32:38,471 INFO L78 Accepts]: Start accepts. Automaton has 3364 states and 3814 transitions. Word has length 418 [2020-07-20 17:32:38,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:32:38,472 INFO L479 AbstractCegarLoop]: Abstraction has 3364 states and 3814 transitions. [2020-07-20 17:32:38,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:32:38,472 INFO L276 IsEmpty]: Start isEmpty. Operand 3364 states and 3814 transitions. [2020-07-20 17:32:38,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2020-07-20 17:32:38,491 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:32:38,491 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] [2020-07-20 17:32:38,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:38,705 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:32:38,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:32:38,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1929187522, now seen corresponding path program 1 times [2020-07-20 17:32:38,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:32:38,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267159987] [2020-07-20 17:32:38,706 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 17:32:38,984 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:32:38,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:32:38,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 17:32:39,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:32:39,036 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 17:32:39,036 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:39,039 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 1] term [2020-07-20 17:32:39,040 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:39,065 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:39,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 790 proven. 2 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2020-07-20 17:32:39,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:32:39,439 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-20 17:32:39,440 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:39,441 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:32:39,442 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:39,443 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:39,443 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:39,444 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:39,445 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 1] term [2020-07-20 17:32:39,446 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:39,470 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:32:39,471 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:39,474 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:32:39,475 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-20 17:32:39,476 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:32:39,565 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:39,573 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:40,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 547 proven. 74 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2020-07-20 17:32:40,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267159987] [2020-07-20 17:32:40,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:32:40,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 17:32:40,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093646243] [2020-07-20 17:32:40,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:32:40,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:32:40,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:32:40,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:32:40,166 INFO L87 Difference]: Start difference. First operand 3364 states and 3814 transitions. Second operand 7 states. [2020-07-20 17:32:41,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:32:41,992 INFO L93 Difference]: Finished difference Result 7646 states and 8721 transitions. [2020-07-20 17:32:41,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-20 17:32:41,992 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 585 [2020-07-20 17:32:41,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:32:42,009 INFO L225 Difference]: With dead ends: 7646 [2020-07-20 17:32:42,010 INFO L226 Difference]: Without dead ends: 4286 [2020-07-20 17:32:42,019 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 [2020-07-20 17:32:42,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4286 states. [2020-07-20 17:32:42,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4286 to 3912. [2020-07-20 17:32:42,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3912 states. [2020-07-20 17:32:42,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3912 states and 4389 transitions. [2020-07-20 17:32:42,125 INFO L78 Accepts]: Start accepts. Automaton has 3912 states and 4389 transitions. Word has length 585 [2020-07-20 17:32:42,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:32:42,127 INFO L479 AbstractCegarLoop]: Abstraction has 3912 states and 4389 transitions. [2020-07-20 17:32:42,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:32:42,127 INFO L276 IsEmpty]: Start isEmpty. Operand 3912 states and 4389 transitions. [2020-07-20 17:32:42,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2020-07-20 17:32:42,138 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:32:42,139 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] [2020-07-20 17:32:42,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:42,353 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:32:42,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:32:42,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1611163502, now seen corresponding path program 1 times [2020-07-20 17:32:42,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:32:42,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [203286266] [2020-07-20 17:32:42,355 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 17:32:42,644 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:32:42,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:32:42,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 17:32:42,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:32:42,674 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:42,675 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 17:32:42,750 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 17:32:42,750 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:42,751 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:42,772 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:42,774 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:43,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 790 proven. 2 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2020-07-20 17:32:43,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:32:43,210 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-20 17:32:43,210 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:43,212 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-20 17:32:43,212 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:43,212 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:32:43,213 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:43,213 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:43,214 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:32:43,229 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:43,230 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:32:43,354 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:43,357 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:43,357 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:32:43,370 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:43,371 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:43,372 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:32:43,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 547 proven. 74 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2020-07-20 17:32:43,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [203286266] [2020-07-20 17:32:43,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:32:43,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 17:32:43,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439615339] [2020-07-20 17:32:43,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:32:43,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:32:43,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:32:43,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:32:43,986 INFO L87 Difference]: Start difference. First operand 3912 states and 4389 transitions. Second operand 7 states. [2020-07-20 17:32:46,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:32:46,266 INFO L93 Difference]: Finished difference Result 8552 states and 9757 transitions. [2020-07-20 17:32:46,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-20 17:32:46,267 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 625 [2020-07-20 17:32:46,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:32:46,287 INFO L225 Difference]: With dead ends: 8552 [2020-07-20 17:32:46,287 INFO L226 Difference]: Without dead ends: 4828 [2020-07-20 17:32:46,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1257 GetRequests, 1246 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-07-20 17:32:46,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4828 states. [2020-07-20 17:32:46,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4828 to 4280. [2020-07-20 17:32:46,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4280 states. [2020-07-20 17:32:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 4280 states and 4793 transitions. [2020-07-20 17:32:46,391 INFO L78 Accepts]: Start accepts. Automaton has 4280 states and 4793 transitions. Word has length 625 [2020-07-20 17:32:46,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:32:46,392 INFO L479 AbstractCegarLoop]: Abstraction has 4280 states and 4793 transitions. [2020-07-20 17:32:46,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:32:46,392 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 4793 transitions. [2020-07-20 17:32:46,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 688 [2020-07-20 17:32:46,403 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:32:46,403 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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] [2020-07-20 17:32:46,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:46,618 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:32:46,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:32:46,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1977185226, now seen corresponding path program 1 times [2020-07-20 17:32:46,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:32:46,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1620422812] [2020-07-20 17:32:46,620 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:46,929 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:32:46,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:32:46,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 17:32:46,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:32:46,974 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 17:32:46,975 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:46,975 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 1] term [2020-07-20 17:32:46,975 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:46,996 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:47,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 979 proven. 2 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2020-07-20 17:32:47,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:32:47,435 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-20 17:32:47,435 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:47,436 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:32:47,437 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:47,437 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:47,438 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:47,439 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 1] term [2020-07-20 17:32:47,439 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:47,456 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:32:47,457 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:32:47,458 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:47,459 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-20 17:32:47,460 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:32:47,544 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:47,549 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:48,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 667 proven. 74 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2020-07-20 17:32:48,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1620422812] [2020-07-20 17:32:48,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:32:48,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 17:32:48,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444726451] [2020-07-20 17:32:48,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:32:48,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:32:48,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:32:48,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:32:48,228 INFO L87 Difference]: Start difference. First operand 4280 states and 4793 transitions. Second operand 7 states. [2020-07-20 17:32:50,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:32:50,056 INFO L93 Difference]: Finished difference Result 8918 states and 10006 transitions. [2020-07-20 17:32:50,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 17:32:50,057 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 687 [2020-07-20 17:32:50,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:32:50,074 INFO L225 Difference]: With dead ends: 8918 [2020-07-20 17:32:50,074 INFO L226 Difference]: Without dead ends: 4824 [2020-07-20 17:32:50,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1381 GetRequests, 1371 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-07-20 17:32:50,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4824 states. [2020-07-20 17:32:50,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4824 to 4642. [2020-07-20 17:32:50,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4642 states. [2020-07-20 17:32:50,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4642 states to 4642 states and 5122 transitions. [2020-07-20 17:32:50,182 INFO L78 Accepts]: Start accepts. Automaton has 4642 states and 5122 transitions. Word has length 687 [2020-07-20 17:32:50,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:32:50,183 INFO L479 AbstractCegarLoop]: Abstraction has 4642 states and 5122 transitions. [2020-07-20 17:32:50,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:32:50,184 INFO L276 IsEmpty]: Start isEmpty. Operand 4642 states and 5122 transitions. [2020-07-20 17:32:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2020-07-20 17:32:50,191 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:32:50,192 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:32:50,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:50,408 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:32:50,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:32:50,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1248418757, now seen corresponding path program 1 times [2020-07-20 17:32:50,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:32:50,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [774254515] [2020-07-20 17:32:50,410 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:50,673 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:32:50,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:32:50,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:32:50,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:32:51,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 1098 proven. 2 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2020-07-20 17:32:51,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:32:51,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 496 proven. 148 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2020-07-20 17:32:51,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [774254515] [2020-07-20 17:32:51,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:32:51,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 17:32:51,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790807964] [2020-07-20 17:32:51,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 17:32:51,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:32:51,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 17:32:51,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:32:51,411 INFO L87 Difference]: Start difference. First operand 4642 states and 5122 transitions. Second operand 6 states. [2020-07-20 17:32:52,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:32:52,396 INFO L93 Difference]: Finished difference Result 9824 states and 10847 transitions. [2020-07-20 17:32:52,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 17:32:52,396 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 712 [2020-07-20 17:32:52,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:32:52,414 INFO L225 Difference]: With dead ends: 9824 [2020-07-20 17:32:52,415 INFO L226 Difference]: Without dead ends: 5554 [2020-07-20 17:32:52,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1429 GetRequests, 1420 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:32:52,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5554 states. [2020-07-20 17:32:52,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5554 to 5372. [2020-07-20 17:32:52,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5372 states. [2020-07-20 17:32:52,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5372 states to 5372 states and 5848 transitions. [2020-07-20 17:32:52,528 INFO L78 Accepts]: Start accepts. Automaton has 5372 states and 5848 transitions. Word has length 712 [2020-07-20 17:32:52,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:32:52,529 INFO L479 AbstractCegarLoop]: Abstraction has 5372 states and 5848 transitions. [2020-07-20 17:32:52,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 17:32:52,530 INFO L276 IsEmpty]: Start isEmpty. Operand 5372 states and 5848 transitions. [2020-07-20 17:32:52,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2020-07-20 17:32:52,539 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:32:52,540 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 17:32:52,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:52,754 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:32:52,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:32:52,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1953093901, now seen corresponding path program 1 times [2020-07-20 17:32:52,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:32:52,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1047548943] [2020-07-20 17:32:52,755 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:53,019 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:32:53,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:32:53,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-20 17:32:53,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:32:53,041 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:53,041 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 17:32:53,042 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 17:32:53,043 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 17:32:53,043 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 17:32:53,640 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 20 [2020-07-20 17:32:54,080 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 17:32:54,081 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 17:32:56,267 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 29 DAG size of output: 15 [2020-07-20 17:32:56,828 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:32:57,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 1094 proven. 16 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2020-07-20 17:32:57,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:32:57,335 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 1] term [2020-07-20 17:32:57,336 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-20 17:32:57,602 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:32:57,603 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:32:57,604 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-20 17:32:57,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1047548943] [2020-07-20 17:32:57,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-20 17:32:57,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-07-20 17:32:57,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963434144] [2020-07-20 17:32:57,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 17:32:57,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:32:57,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 17:32:57,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-07-20 17:32:57,688 INFO L87 Difference]: Start difference. First operand 5372 states and 5848 transitions. Second operand 9 states. [2020-07-20 17:32:57,912 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-07-20 17:32:59,712 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-07-20 17:34:40,131 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 37 [2020-07-20 17:36:08,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:36:08,131 INFO L93 Difference]: Finished difference Result 11846 states and 12929 transitions. [2020-07-20 17:36:08,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-20 17:36:08,133 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 772 [2020-07-20 17:36:08,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:36:08,161 INFO L225 Difference]: With dead ends: 11846 [2020-07-20 17:36:08,161 INFO L226 Difference]: Without dead ends: 6846 [2020-07-20 17:36:08,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1091 GetRequests, 1065 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 22.8s TimeCoverageRelationStatistics Valid=219, Invalid=477, Unknown=6, NotChecked=0, Total=702 [2020-07-20 17:36:08,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6846 states. [2020-07-20 17:36:08,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6846 to 6114. [2020-07-20 17:36:08,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6114 states. [2020-07-20 17:36:08,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6114 states to 6114 states and 6632 transitions. [2020-07-20 17:36:08,281 INFO L78 Accepts]: Start accepts. Automaton has 6114 states and 6632 transitions. Word has length 772 [2020-07-20 17:36:08,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:36:08,283 INFO L479 AbstractCegarLoop]: Abstraction has 6114 states and 6632 transitions. [2020-07-20 17:36:08,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 17:36:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand 6114 states and 6632 transitions. [2020-07-20 17:36:08,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1199 [2020-07-20 17:36:08,309 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:36:08,310 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:36:08,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:36:08,525 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:36:08,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:36:08,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1109416929, now seen corresponding path program 1 times [2020-07-20 17:36:08,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:36:08,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [563282484] [2020-07-20 17:36:08,527 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:36:09,077 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:36:09,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:36:09,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 1612 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:36:09,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:36:09,127 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 17:36:09,128 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 17:36:09,129 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 17:36:09,130 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 17:36:09,131 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 17:36:09,132 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 17:36:09,133 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 17:36:09,134 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 17:36:09,135 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 17:36:09,136 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 17:36:09,137 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 17:36:09,139 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 17:36:09,139 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 17:36:09,140 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 17:36:09,142 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 17:36:09,143 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 17:36:09,144 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 17:36:09,145 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 17:36:09,146 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 17:36:09,146 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 17:36:09,147 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 17:36:09,148 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 17:36:09,149 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 17:36:09,150 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 17:36:09,151 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-20 17:36:09,152 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-20 17:36:12,030 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 104 DAG size of output: 28 [2020-07-20 17:36:12,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3682 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 3341 trivial. 0 not checked. [2020-07-20 17:36:12,917 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:36:12,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [563282484] [2020-07-20 17:36:12,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:36:12,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:36:12,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970740936] [2020-07-20 17:36:12,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:36:12,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:36:12,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:36:12,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:36:12,919 INFO L87 Difference]: Start difference. First operand 6114 states and 6632 transitions. Second operand 3 states. [2020-07-20 17:36:14,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:36:14,806 INFO L93 Difference]: Finished difference Result 13328 states and 14618 transitions. [2020-07-20 17:36:14,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:36:14,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1198 [2020-07-20 17:36:14,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:36:14,826 INFO L225 Difference]: With dead ends: 13328 [2020-07-20 17:36:14,826 INFO L226 Difference]: Without dead ends: 6846 [2020-07-20 17:36:14,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1197 GetRequests, 1196 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:36:14,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6846 states. [2020-07-20 17:36:14,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6846 to 6118. [2020-07-20 17:36:14,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6118 states. [2020-07-20 17:36:14,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6118 states to 6118 states and 6624 transitions. [2020-07-20 17:36:14,938 INFO L78 Accepts]: Start accepts. Automaton has 6118 states and 6624 transitions. Word has length 1198 [2020-07-20 17:36:14,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:36:14,939 INFO L479 AbstractCegarLoop]: Abstraction has 6118 states and 6624 transitions. [2020-07-20 17:36:14,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:36:14,939 INFO L276 IsEmpty]: Start isEmpty. Operand 6118 states and 6624 transitions. [2020-07-20 17:36:14,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1208 [2020-07-20 17:36:14,956 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:36:14,957 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:36:15,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:36:15,172 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:36:15,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:36:15,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1485865098, now seen corresponding path program 1 times [2020-07-20 17:36:15,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:36:15,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1618951914] [2020-07-20 17:36:15,173 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:36:15,649 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:36:15,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:36:15,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 1658 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 17:36:15,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:36:15,689 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:36:15,690 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 17:36:15,691 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 17:36:15,692 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:36:15,692 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 17:36:16,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4093 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 3709 trivial. 0 not checked. [2020-07-20 17:36:16,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:36:16,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1618951914] [2020-07-20 17:36:16,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:36:16,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:36:16,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152396598] [2020-07-20 17:36:16,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:36:16,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:36:16,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:36:16,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:36:16,469 INFO L87 Difference]: Start difference. First operand 6118 states and 6624 transitions. Second operand 3 states. [2020-07-20 17:36:17,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:36:17,859 INFO L93 Difference]: Finished difference Result 12414 states and 13446 transitions. [2020-07-20 17:36:17,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:36:17,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1207 [2020-07-20 17:36:17,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:36:17,867 INFO L225 Difference]: With dead ends: 12414 [2020-07-20 17:36:17,867 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 17:36:17,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1206 GetRequests, 1205 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:36:17,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 17:36:17,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 17:36:17,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 17:36:17,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 17:36:17,887 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1207 [2020-07-20 17:36:17,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:36:17,888 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 17:36:17,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:36:17,888 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 17:36:17,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 17:36:18,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:36:18,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 17:36:18,997 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 243 [2020-07-20 17:36:19,220 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 243 [2020-07-20 17:36:19,412 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 36 [2020-07-20 17:37:03,631 WARN L193 SmtUtils]: Spent 44.20 s on a formula simplification. DAG size of input: 407 DAG size of output: 126 [2020-07-20 17:37:18,948 WARN L193 SmtUtils]: Spent 15.29 s on a formula simplification. DAG size of input: 282 DAG size of output: 105 [2020-07-20 17:37:38,541 WARN L193 SmtUtils]: Spent 19.59 s on a formula simplification. DAG size of input: 282 DAG size of output: 105 [2020-07-20 17:37:38,545 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:37:38,546 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a12~0 |old(~a12~0)|) (<= |old(~a12~0)| ~a12~0) (<= ~a24~0 |old(~a24~0)|) (<= ~a21~0 |old(~a21~0)|) (<= ~a15~0 |old(~a15~0)|) (<= |old(~a21~0)| ~a21~0)) [2020-07-20 17:37:38,546 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:37:38,546 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-07-20 17:37:38,546 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-07-20 17:37:38,547 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,547 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,547 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,547 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-07-20 17:37:38,547 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 17:37:38,547 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 17:37:38,547 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 17:37:38,547 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-07-20 17:37:38,548 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-07-20 17:37:38,548 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-07-20 17:37:38,548 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-07-20 17:37:38,548 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,548 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,548 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,548 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-07-20 17:37:38,548 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-07-20 17:37:38,548 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 17:37:38,549 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 17:37:38,549 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 17:37:38,549 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-07-20 17:37:38,549 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-07-20 17:37:38,549 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-07-20 17:37:38,549 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,549 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,549 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,550 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-07-20 17:37:38,550 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 17:37:38,550 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 17:37:38,550 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 17:37:38,550 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-07-20 17:37:38,550 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-07-20 17:37:38,550 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-07-20 17:37:38,550 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-07-20 17:37:38,550 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-07-20 17:37:38,550 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,551 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,551 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,551 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-07-20 17:37:38,551 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 17:37:38,551 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 17:37:38,551 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 17:37:38,551 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-07-20 17:37:38,551 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-07-20 17:37:38,551 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-07-20 17:37:38,551 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,552 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,552 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,552 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-07-20 17:37:38,552 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 17:37:38,552 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 17:37:38,552 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 17:37:38,552 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-07-20 17:37:38,552 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-07-20 17:37:38,552 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-07-20 17:37:38,552 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-07-20 17:37:38,553 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-07-20 17:37:38,553 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,553 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,553 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,553 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,553 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-07-20 17:37:38,553 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 17:37:38,553 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 17:37:38,553 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 17:37:38,554 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-07-20 17:37:38,554 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-07-20 17:37:38,554 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-07-20 17:37:38,554 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-07-20 17:37:38,554 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,554 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,554 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,554 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 17:37:38,554 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 17:37:38,555 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 17:37:38,555 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-07-20 17:37:38,555 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-07-20 17:37:38,555 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-07-20 17:37:38,555 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-07-20 17:37:38,555 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-07-20 17:37:38,555 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,555 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,555 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,555 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-07-20 17:37:38,556 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-07-20 17:37:38,556 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 17:37:38,556 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 17:37:38,556 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 17:37:38,556 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-07-20 17:37:38,556 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse10 (<= ~a12~0 |old(~a12~0)|)) (.cse11 (<= |old(~a12~0)| ~a12~0)) (.cse12 (<= ~a24~0 |old(~a24~0)|)) (.cse13 (<= ~a21~0 |old(~a21~0)|)) (.cse14 (<= ~a15~0 |old(~a15~0)|)) (.cse15 (<= |old(~a21~0)| ~a21~0))) (let ((.cse1 (and (not (< |old(~a24~0)| 2)) (not (< |old(~a21~0)| 6)))) (.cse0 (and .cse10 (<= 7 ~a15~0) .cse11 .cse12 .cse13 .cse14 .cse15)) (.cse5 (not (<= |old(~a12~0)| 11))) (.cse2 (not (<= 7 |old(~a15~0)|))) (.cse6 (forall ((v_~a12~0_617 Int)) (let ((.cse16 (mod v_~a12~0_617 34))) (or (not (<= (+ .cse16 13) |old(~a12~0)|)) (not (< 80 v_~a12~0_617)) (not (= 0 .cse16)))))) (.cse7 (not (<= |old(~a15~0)| 8))) (.cse8 (not (<= |old(~a24~0)| 1))) (.cse3 (and .cse10 .cse11 .cse12 .cse13 .cse14 .cse15)) (.cse4 (not (<= |old(~a15~0)| 5)))) (and (or .cse0 .cse1 .cse2 (not (< |old(~a21~0)| 9))) (or .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse2) (or .cse1 .cse3 (not (<= 7 |old(~a21~0)|)) .cse7) (or .cse8 .cse0 .cse5 .cse2) (or (not (<= |old(~a21~0)| 6)) .cse3 (forall ((v_~a12~0_507 Int)) (or (not (< 11 v_~a12~0_507)) (not (<= 0 (* 68 v_~a12~0_507))) (not (<= (+ (* 5 (div (* v_~a12~0_507 68) 10)) 517842) |old(~a12~0)|)))) .cse4) (or .cse8 (forall ((v_~a12~0_589 Int) (v_~a12~0_590 Int)) (let ((.cse9 (+ v_~a12~0_590 366333))) (or (not (<= 0 (+ v_~a12~0_589 464909))) (not (< 11 v_~a12~0_590)) (not (<= v_~a12~0_590 (+ (mod (+ v_~a12~0_589 27) 34) 42))) (not (<= v_~a12~0_589 11)) (not (<= 0 .cse9)) (not (<= |old(~a12~0)| (div .cse9 5))) (not (< 0 (+ v_~a12~0_589 43)))))) .cse3 .cse6) (or (not (<= 10 |old(~a21~0)|)) .cse3 .cse7) (or .cse8 .cse3 .cse4)))) [2020-07-20 17:37:38,557 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-07-20 17:37:38,557 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-07-20 17:37:38,557 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,557 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,557 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,557 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 17:37:38,557 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 17:37:38,557 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 17:37:38,557 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-07-20 17:37:38,558 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-07-20 17:37:38,558 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-07-20 17:37:38,558 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-07-20 17:37:38,558 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-07-20 17:37:38,558 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,558 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,558 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,558 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-07-20 17:37:38,558 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-07-20 17:37:38,558 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 17:37:38,559 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 17:37:38,559 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 17:37:38,559 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-07-20 17:37:38,559 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-07-20 17:37:38,559 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-07-20 17:37:38,559 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,559 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,559 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,559 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-07-20 17:37:38,559 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 17:37:38,559 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 17:37:38,560 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 17:37:38,560 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-07-20 17:37:38,560 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-07-20 17:37:38,560 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-07-20 17:37:38,560 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-07-20 17:37:38,560 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,560 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,560 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,560 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-07-20 17:37:38,560 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 17:37:38,561 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 17:37:38,561 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 17:37:38,561 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-07-20 17:37:38,561 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-07-20 17:37:38,561 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-07-20 17:37:38,561 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-07-20 17:37:38,561 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,561 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,561 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-07-20 17:37:38,561 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 17:37:38,562 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 17:37:38,562 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-07-20 17:37:38,562 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-07-20 17:37:38,562 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-07-20 17:37:38,562 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-07-20 17:37:38,562 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-07-20 17:37:38,562 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 127) no Hoare annotation was computed. [2020-07-20 17:37:38,562 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,562 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,563 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-07-20 17:37:38,563 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 17:37:38,563 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 17:37:38,563 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-07-20 17:37:38,563 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-07-20 17:37:38,563 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-07-20 17:37:38,563 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,563 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,563 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-07-20 17:37:38,564 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-07-20 17:37:38,564 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 17:37:38,564 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 17:37:38,564 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-07-20 17:37:38,564 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-07-20 17:37:38,564 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-07-20 17:37:38,564 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-07-20 17:37:38,564 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,564 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,564 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-07-20 17:37:38,565 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-07-20 17:37:38,565 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 17:37:38,565 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 17:37:38,565 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-07-20 17:37:38,565 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-07-20 17:37:38,565 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-07-20 17:37:38,565 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,565 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,565 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,565 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-07-20 17:37:38,565 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-07-20 17:37:38,566 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 17:37:38,566 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 17:37:38,566 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-07-20 17:37:38,566 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-07-20 17:37:38,566 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,566 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,566 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 17:37:38,566 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,566 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-07-20 17:37:38,567 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-07-20 17:37:38,567 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-07-20 17:37:38,567 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 17:37:38,567 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 17:37:38,567 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 17:37:38,567 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-07-20 17:37:38,567 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-07-20 17:37:38,567 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-07-20 17:37:38,567 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-07-20 17:37:38,568 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,568 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,568 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,568 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-07-20 17:37:38,568 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 17:37:38,568 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 17:37:38,568 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 17:37:38,568 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-07-20 17:37:38,568 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-07-20 17:37:38,569 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-07-20 17:37:38,569 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-07-20 17:37:38,569 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,569 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,569 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,569 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-07-20 17:37:38,569 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-07-20 17:37:38,569 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 17:37:38,569 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 17:37:38,570 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 17:37:38,570 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-07-20 17:37:38,570 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-07-20 17:37:38,570 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-07-20 17:37:38,570 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,570 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,570 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,570 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-07-20 17:37:38,570 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 17:37:38,570 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 17:37:38,571 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 17:37:38,571 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-07-20 17:37:38,571 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-07-20 17:37:38,571 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-07-20 17:37:38,571 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-07-20 17:37:38,571 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-07-20 17:37:38,571 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,571 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,571 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:37:38,571 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-07-20 17:37:38,572 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 17:37:38,572 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 17:37:38,572 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 17:37:38,572 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-07-20 17:37:38,572 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:37:38,572 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (< ~a24~0 2) (<= 7 ~a15~0) (< 6 ~a21~0) (< ~a15~0 9) (<= ~a21~0 7)) [2020-07-20 17:37:38,572 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 17:37:38,572 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:37:38,573 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (<= ~a12~0 |old(~a12~0)|) (<= 7 ~a15~0) (<= |old(~a12~0)| ~a12~0) (<= ~a24~0 |old(~a24~0)|) (<= ~a21~0 |old(~a21~0)|) (<= ~a15~0 |old(~a15~0)|) (<= 7 ~a21~0)) (not (< |old(~a24~0)| 2)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7)) (not (< 6 |old(~a21~0)|))) [2020-07-20 17:37:38,573 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-07-20 17:37:38,573 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse8 (< ~a24~0 2)) (.cse5 (<= 7 ~a15~0))) (let ((.cse0 (<= ~a24~0 1)) (.cse3 (<= ~a15~0 5)) (.cse2 (exists ((v_~a12~0_617 Int)) (let ((.cse10 (mod v_~a12~0_617 34))) (and (= 0 .cse10) (<= (+ .cse10 13) ~a12~0) (< 80 v_~a12~0_617))))) (.cse7 (let ((.cse9 (<= ~a15~0 8))) (or (and .cse5 .cse9) (and .cse9 (<= 7 ~a21~0))))) (.cse6 (or .cse8 (< ~a21~0 6))) (.cse4 (<= ~a12~0 11))) (or (not (< |old(~a24~0)| 2)) (and .cse0 (exists ((v_~a12~0_589 Int) (v_~a12~0_590 Int)) (let ((.cse1 (+ v_~a12~0_590 366333))) (and (< 0 (+ v_~a12~0_589 43)) (<= v_~a12~0_589 11) (<= ~a12~0 (div .cse1 5)) (<= v_~a12~0_590 (+ (mod (+ v_~a12~0_589 27) 34) 42)) (<= 0 (+ v_~a12~0_589 464909)) (< 11 v_~a12~0_590) (<= 0 .cse1)))) .cse2) (and .cse3 .cse4) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7)) (and (< ~a21~0 9) .cse5 .cse6) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse0 .cse3) (and .cse3 (<= ~a21~0 6) (exists ((v_~a12~0_507 Int)) (and (<= (+ (* 5 (div (* v_~a12~0_507 68) 10)) 517842) ~a12~0) (<= 0 (* 68 v_~a12~0_507)) (< 11 v_~a12~0_507)))) (not (< 6 |old(~a21~0)|)) (and .cse7 (<= 10 ~a21~0)) (and .cse5 .cse2) (and .cse7 .cse6) (and .cse8 .cse5 .cse4)))) [2020-07-20 17:37:38,573 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-20 17:37:38,573 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-20 17:37:38,574 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse8 (< ~a24~0 2)) (.cse5 (<= 7 ~a15~0))) (let ((.cse0 (<= ~a24~0 1)) (.cse3 (<= ~a15~0 5)) (.cse2 (exists ((v_~a12~0_617 Int)) (let ((.cse10 (mod v_~a12~0_617 34))) (and (= 0 .cse10) (<= (+ .cse10 13) ~a12~0) (< 80 v_~a12~0_617))))) (.cse7 (let ((.cse9 (<= ~a15~0 8))) (or (and .cse5 .cse9) (and .cse9 (<= 7 ~a21~0))))) (.cse6 (or .cse8 (< ~a21~0 6))) (.cse4 (<= ~a12~0 11))) (or (not (< |old(~a24~0)| 2)) (and .cse0 (exists ((v_~a12~0_589 Int) (v_~a12~0_590 Int)) (let ((.cse1 (+ v_~a12~0_590 366333))) (and (< 0 (+ v_~a12~0_589 43)) (<= v_~a12~0_589 11) (<= ~a12~0 (div .cse1 5)) (<= v_~a12~0_590 (+ (mod (+ v_~a12~0_589 27) 34) 42)) (<= 0 (+ v_~a12~0_589 464909)) (< 11 v_~a12~0_590) (<= 0 .cse1)))) .cse2) (and .cse3 .cse4) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7)) (and (< ~a21~0 9) .cse5 .cse6) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse0 .cse3) (and .cse3 (<= ~a21~0 6) (exists ((v_~a12~0_507 Int)) (and (<= (+ (* 5 (div (* v_~a12~0_507 68) 10)) 517842) ~a12~0) (<= 0 (* 68 v_~a12~0_507)) (< 11 v_~a12~0_507)))) (not (< 6 |old(~a21~0)|)) (and .cse7 (<= 10 ~a21~0)) (and .cse5 .cse2) (and .cse7 .cse6) (and .cse8 .cse5 .cse4)))) [2020-07-20 17:37:38,574 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-07-20 17:37:38,586 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] [2020-07-20 17:37:38,587 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] [2020-07-20 17:37:38,587 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] [2020-07-20 17:37:38,587 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] [2020-07-20 17:37:38,588 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] [2020-07-20 17:37:38,588 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] [2020-07-20 17:37:38,588 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] [2020-07-20 17:37:38,588 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] [2020-07-20 17:37:38,589 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,589 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,589 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,590 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-20 17:37:38,590 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-20 17:37:38,590 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-20 17:37:38,590 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,591 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,591 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,599 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] [2020-07-20 17:37:38,599 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] [2020-07-20 17:37:38,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] [2020-07-20 17:37:38,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] [2020-07-20 17:37:38,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] [2020-07-20 17:37:38,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] [2020-07-20 17:37:38,601 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] [2020-07-20 17:37:38,601 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] [2020-07-20 17:37:38,601 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,602 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,602 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,602 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-20 17:37:38,602 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-20 17:37:38,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-20 17:37:38,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:37:38 BoogieIcfgContainer [2020-07-20 17:37:38,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 17:37:38,608 INFO L168 Benchmark]: Toolchain (without parser) took 317653.97 ms. Allocated memory was 145.8 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 100.3 MB in the beginning and 1.0 GB in the end (delta: -908.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-07-20 17:37:38,609 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 145.8 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 17:37:38,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.74 ms. Allocated memory was 145.8 MB in the beginning and 207.1 MB in the end (delta: 61.3 MB). Free memory was 99.9 MB in the beginning and 168.7 MB in the end (delta: -68.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2020-07-20 17:37:38,610 INFO L168 Benchmark]: Boogie Preprocessor took 119.32 ms. Allocated memory is still 207.1 MB. Free memory was 168.7 MB in the beginning and 163.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2020-07-20 17:37:38,611 INFO L168 Benchmark]: RCFGBuilder took 1542.50 ms. Allocated memory was 207.1 MB in the beginning and 240.1 MB in the end (delta: 33.0 MB). Free memory was 163.1 MB in the beginning and 156.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. [2020-07-20 17:37:38,611 INFO L168 Benchmark]: TraceAbstraction took 315221.19 ms. Allocated memory was 240.1 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 156.5 MB in the beginning and 1.0 GB in the end (delta: -852.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-07-20 17:37:38,614 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 145.8 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 764.74 ms. Allocated memory was 145.8 MB in the beginning and 207.1 MB in the end (delta: 61.3 MB). Free memory was 99.9 MB in the beginning and 168.7 MB in the end (delta: -68.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.32 ms. Allocated memory is still 207.1 MB. Free memory was 168.7 MB in the beginning and 163.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1542.50 ms. Allocated memory was 207.1 MB in the beginning and 240.1 MB in the end (delta: 33.0 MB). Free memory was 163.1 MB in the beginning and 156.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 315221.19 ms. Allocated memory was 240.1 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 156.5 MB in the beginning and 1.0 GB in the end (delta: -852.2 MB). Peak memory consumption was 1.1 GB. 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_589,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,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_617,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,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_617,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,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 [2020-07-20 17:37:38,623 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] [2020-07-20 17:37:38,623 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] [2020-07-20 17:37:38,624 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] [2020-07-20 17:37:38,624 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] [2020-07-20 17:37:38,624 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] [2020-07-20 17:37:38,624 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] [2020-07-20 17:37:38,625 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] [2020-07-20 17:37:38,625 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] [2020-07-20 17:37:38,625 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,625 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,625 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-20 17:37:38,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-20 17:37:38,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-20 17:37:38,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,627 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,627 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,628 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] [2020-07-20 17:37:38,628 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] [2020-07-20 17:37:38,628 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] [2020-07-20 17:37:38,629 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] [2020-07-20 17:37:38,629 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] [2020-07-20 17:37:38,629 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_589,QUANTIFIED] [2020-07-20 17:37:38,629 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] [2020-07-20 17:37:38,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_590,QUANTIFIED] [2020-07-20 17:37:38,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-20 17:37:38,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-20 17:37:38,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_507,QUANTIFIED] [2020-07-20 17:37:38,633 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,633 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] [2020-07-20 17:37:38,634 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_617,QUANTIFIED] Derived loop invariant: (((((((((((((!(\old(a24) < 2) || ((a24 <= 1 && (\exists v_~a12~0_589 : int, v_~a12~0_590 : int :: (((((0 < v_~a12~0_589 + 43 && v_~a12~0_589 <= 11) && a12 <= (v_~a12~0_590 + 366333) / 5) && v_~a12~0_590 <= (v_~a12~0_589 + 27) % 34 + 42) && 0 <= v_~a12~0_589 + 464909) && 11 < v_~a12~0_590) && 0 <= v_~a12~0_590 + 366333)) && (\exists v_~a12~0_617 : int :: (0 == v_~a12~0_617 % 34 && v_~a12~0_617 % 34 + 13 <= a12) && 80 < v_~a12~0_617))) || (a15 <= 5 && a12 <= 11)) || !(7 <= \old(a15))) || !(\old(a15) <= 8)) || !(\old(a21) <= 7)) || ((a21 < 9 && 7 <= a15) && (a24 < 2 || a21 < 6))) || !(\old(a12) + 49 <= 0)) || (a24 <= 1 && a15 <= 5)) || ((a15 <= 5 && a21 <= 6) && (\exists v_~a12~0_507 : int :: (5 * (v_~a12~0_507 * 68 / 10) + 517842 <= a12 && 0 <= 68 * v_~a12~0_507) && 11 < v_~a12~0_507))) || !(6 < \old(a21))) || (((7 <= a15 && a15 <= 8) || (a15 <= 8 && 7 <= a21)) && 10 <= a21)) || (7 <= a15 && (\exists v_~a12~0_617 : int :: (0 == v_~a12~0_617 % 34 && v_~a12~0_617 % 34 + 13 <= a12) && 80 < v_~a12~0_617))) || (((7 <= a15 && a15 <= 8) || (a15 <= 8 && 7 <= a21)) && (a24 < 2 || a21 < 6))) || ((a24 < 2 && 7 <= a15) && a12 <= 11) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 234.6s, OverallIterations: 14, TraceHistogramMax: 10, AutomataDifference: 211.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 80.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1012 SDtfs, 7350 SDslu, 567 SDs, 0 SdLazy, 14173 SolverSat, 2473 SolverUnsat, 60 SolverUnknown, 0 SolverNotchecked, 184.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10904 GetRequests, 10784 SyntacticMatches, 8 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 27.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6118occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 4258 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 247 PreInvPairs, 341 NumberOfFragments, 908 HoareAnnotationTreeSize, 247 FomulaSimplifications, 15743 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 27475 FormulaSimplificationTreeSizeReductionInter, 79.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 15.6s InterpolantComputationTime, 7180 NumberOfCodeBlocks, 7180 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 10504 ConstructedInterpolants, 108 QuantifiedInterpolants, 22156705 SizeOfPredicates, 26 NumberOfNonLiveVariables, 10845 ConjunctsInSsa, 95 ConjunctsInUnsatCore, 20 InterpolantComputations, 7 PerfectInterpolantSequences, 21804/22573 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...