/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_FUNCTIONS --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_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 14:11:48,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 14:11:48,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 14:11:48,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 14:11:48,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 14:11:48,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 14:11:48,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 14:11:48,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 14:11:48,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 14:11:48,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 14:11:48,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 14:11:48,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 14:11:48,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 14:11:48,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 14:11:48,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 14:11:48,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 14:11:48,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 14:11:48,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 14:11:48,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 14:11:48,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 14:11:48,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 14:11:48,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 14:11:48,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 14:11:48,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 14:11:48,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 14:11:48,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 14:11:48,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 14:11:48,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 14:11:48,672 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 14:11:48,686 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 14:11:48,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 14:11:48,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 14:11:48,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 14:11:48,687 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 14:11:48,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 14:11:48,688 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 14:11:48,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 14:11:48,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 14:11:48,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 14:11:48,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 14:11:48,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 14:11:48,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 14:11:48,689 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 14:11:48,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 14:11:48,690 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 14:11:48,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 14:11:48,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 14:11:48,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 14:11:48,690 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 14:11:48,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 14:11:48,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 14:11:48,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 14:11:48,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 14:11:48,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 14:11:48,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 14:11:48,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:11:48,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 14:11:48,692 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 14:11:48,692 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_FUNCTIONS 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 14:11:48,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 14:11:48,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 14:11:48,988 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 14:11:48,989 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 14:11:48,991 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 14:11:48,992 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-07-20 14:11:49,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a509678/875a9ce0b5ad43caaa2a306a97a738c0/FLAG787b31a0e [2020-07-20 14:11:49,660 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 14:11:49,661 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-07-20 14:11:49,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a509678/875a9ce0b5ad43caaa2a306a97a738c0/FLAG787b31a0e [2020-07-20 14:11:49,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a509678/875a9ce0b5ad43caaa2a306a97a738c0 [2020-07-20 14:11:49,957 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 14:11:49,961 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 14:11:49,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 14:11:49,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 14:11:49,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 14:11:49,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:11:49" (1/1) ... [2020-07-20 14:11:49,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48149f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:11:49, skipping insertion in model container [2020-07-20 14:11:49,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:11:49" (1/1) ... [2020-07-20 14:11:49,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 14:11:50,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 14:11:50,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:11:50,590 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 14:11:50,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:11:50,921 INFO L208 MainTranslator]: Completed translation [2020-07-20 14:11:50,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:11:50 WrapperNode [2020-07-20 14:11:50,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 14:11:50,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 14:11:50,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 14:11:50,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 14:11:50,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:11:50" (1/1) ... [2020-07-20 14:11:50,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:11:50" (1/1) ... [2020-07-20 14:11:50,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:11:50" (1/1) ... [2020-07-20 14:11:50,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:11:50" (1/1) ... [2020-07-20 14:11:51,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:11:50" (1/1) ... [2020-07-20 14:11:51,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:11:50" (1/1) ... [2020-07-20 14:11:51,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:11:50" (1/1) ... [2020-07-20 14:11:51,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 14:11:51,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 14:11:51,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 14:11:51,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 14:11:51,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:11:50" (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 14:11:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 14:11:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 14:11:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 14:11:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 14:11:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 14:11:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 14:11:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 14:11:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 14:11:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 14:11:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 14:11:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 14:11:52,538 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 14:11:52,539 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 14:11:52,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:11:52 BoogieIcfgContainer [2020-07-20 14:11:52,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 14:11:52,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 14:11:52,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 14:11:52,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 14:11:52,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:11:49" (1/3) ... [2020-07-20 14:11:52,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7deadea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:11:52, skipping insertion in model container [2020-07-20 14:11:52,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:11:50" (2/3) ... [2020-07-20 14:11:52,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7deadea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:11:52, skipping insertion in model container [2020-07-20 14:11:52,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:11:52" (3/3) ... [2020-07-20 14:11:52,553 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c [2020-07-20 14:11:52,563 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 14:11:52,571 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 14:11:52,584 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 14:11:52,608 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 14:11:52,609 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 14:11:52,609 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 14:11:52,609 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 14:11:52,609 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 14:11:52,609 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 14:11:52,609 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 14:11:52,610 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 14:11:52,632 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-07-20 14:11:52,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 14:11:52,642 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:11:52,643 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:11:52,644 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:11:52,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:11:52,650 INFO L82 PathProgramCache]: Analyzing trace with hash -281448013, now seen corresponding path program 1 times [2020-07-20 14:11:52,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:11:52,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1589912650] [2020-07-20 14:11:52,661 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 14:11:52,774 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:11:52,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:11:52,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 14:11:52,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:11:52,851 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 14:11:52,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:11:52,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1589912650] [2020-07-20 14:11:52,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:11:52,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:11:52,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229913150] [2020-07-20 14:11:52,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:11:52,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:11:52,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:11:52,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:11:52,876 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2020-07-20 14:11:54,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:11:54,193 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2020-07-20 14:11:54,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:11:54,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-20 14:11:54,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:11:54,233 INFO L225 Difference]: With dead ends: 688 [2020-07-20 14:11:54,233 INFO L226 Difference]: Without dead ends: 372 [2020-07-20 14:11:54,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 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 14:11:54,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-07-20 14:11:54,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2020-07-20 14:11:54,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-07-20 14:11:54,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 560 transitions. [2020-07-20 14:11:54,358 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 560 transitions. Word has length 56 [2020-07-20 14:11:54,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:11:54,359 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 560 transitions. [2020-07-20 14:11:54,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:11:54,359 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 560 transitions. [2020-07-20 14:11:54,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-07-20 14:11:54,366 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:11:54,366 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, 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 14:11:54,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:11:54,569 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:11:54,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:11:54,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1442467785, now seen corresponding path program 1 times [2020-07-20 14:11:54,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:11:54,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [320041564] [2020-07-20 14:11:54,572 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 14:11:54,688 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:11:54,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:11:54,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 14:11:54,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:11:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:11:54,787 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:11:54,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [320041564] [2020-07-20 14:11:54,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:11:54,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 14:11:54,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032820183] [2020-07-20 14:11:54,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 14:11:54,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:11:54,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 14:11:54,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 14:11:54,792 INFO L87 Difference]: Start difference. First operand 372 states and 560 transitions. Second operand 5 states. [2020-07-20 14:11:56,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:11:56,122 INFO L93 Difference]: Finished difference Result 1122 states and 1722 transitions. [2020-07-20 14:11:56,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 14:11:56,123 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-07-20 14:11:56,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:11:56,130 INFO L225 Difference]: With dead ends: 1122 [2020-07-20 14:11:56,130 INFO L226 Difference]: Without dead ends: 756 [2020-07-20 14:11:56,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 14:11:56,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-07-20 14:11:56,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 744. [2020-07-20 14:11:56,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-07-20 14:11:56,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1011 transitions. [2020-07-20 14:11:56,190 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1011 transitions. Word has length 135 [2020-07-20 14:11:56,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:11:56,191 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 1011 transitions. [2020-07-20 14:11:56,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 14:11:56,191 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1011 transitions. [2020-07-20 14:11:56,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-20 14:11:56,195 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:11:56,195 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, 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 14:11:56,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:11:56,410 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:11:56,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:11:56,412 INFO L82 PathProgramCache]: Analyzing trace with hash 123351809, now seen corresponding path program 1 times [2020-07-20 14:11:56,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:11:56,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246359355] [2020-07-20 14:11:56,414 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 14:11:56,499 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:11:56,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:11:56,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 14:11:56,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:11:56,543 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 14:11:56,544 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 14:11:56,545 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 14:11:56,564 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 14:11:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:11:56,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:11:56,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246359355] [2020-07-20 14:11:56,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:11:56,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 14:11:56,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504131646] [2020-07-20 14:11:56,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 14:11:56,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:11:56,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 14:11:56,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 14:11:56,617 INFO L87 Difference]: Start difference. First operand 744 states and 1011 transitions. Second operand 5 states. [2020-07-20 14:11:57,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:11:57,966 INFO L93 Difference]: Finished difference Result 1868 states and 2499 transitions. [2020-07-20 14:11:57,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 14:11:57,967 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-07-20 14:11:57,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:11:57,986 INFO L225 Difference]: With dead ends: 1868 [2020-07-20 14:11:57,986 INFO L226 Difference]: Without dead ends: 1130 [2020-07-20 14:11:57,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 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 14:11:57,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2020-07-20 14:11:58,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1120. [2020-07-20 14:11:58,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2020-07-20 14:11:58,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1443 transitions. [2020-07-20 14:11:58,054 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1443 transitions. Word has length 139 [2020-07-20 14:11:58,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:11:58,055 INFO L479 AbstractCegarLoop]: Abstraction has 1120 states and 1443 transitions. [2020-07-20 14:11:58,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 14:11:58,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1443 transitions. [2020-07-20 14:11:58,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-07-20 14:11:58,079 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:11:58,079 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:11:58,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:11:58,292 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:11:58,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:11:58,293 INFO L82 PathProgramCache]: Analyzing trace with hash -932415830, now seen corresponding path program 1 times [2020-07-20 14:11:58,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:11:58,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005490070] [2020-07-20 14:11:58,293 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 14:11:58,410 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:11:58,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:11:58,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 14:11:58,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:11:58,492 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:11:58,492 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:11:58,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005490070] [2020-07-20 14:11:58,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:11:58,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 14:11:58,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643550633] [2020-07-20 14:11:58,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 14:11:58,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:11:58,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 14:11:58,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 14:11:58,495 INFO L87 Difference]: Start difference. First operand 1120 states and 1443 transitions. Second operand 5 states. [2020-07-20 14:11:59,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:11:59,739 INFO L93 Difference]: Finished difference Result 2454 states and 3400 transitions. [2020-07-20 14:11:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 14:11:59,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 196 [2020-07-20 14:11:59,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:11:59,749 INFO L225 Difference]: With dead ends: 2454 [2020-07-20 14:11:59,750 INFO L226 Difference]: Without dead ends: 1522 [2020-07-20 14:11:59,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 14:11:59,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states. [2020-07-20 14:11:59,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 1492. [2020-07-20 14:11:59,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1492 states. [2020-07-20 14:11:59,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 1901 transitions. [2020-07-20 14:11:59,799 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 1901 transitions. Word has length 196 [2020-07-20 14:11:59,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:11:59,800 INFO L479 AbstractCegarLoop]: Abstraction has 1492 states and 1901 transitions. [2020-07-20 14:11:59,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 14:11:59,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1901 transitions. [2020-07-20 14:11:59,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-07-20 14:11:59,804 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:11:59,804 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, 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] [2020-07-20 14:12:00,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:12:00,018 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:12:00,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:12:00,019 INFO L82 PathProgramCache]: Analyzing trace with hash -657639750, now seen corresponding path program 1 times [2020-07-20 14:12:00,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:12:00,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1380931077] [2020-07-20 14:12:00,019 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 14:12:00,132 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:12:00,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:12:00,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 14:12:00,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:12:00,187 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 14:12:00,187 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 14:12:00,188 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 14:12:00,205 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 14:12:00,288 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:12:00,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:12:00,436 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2020-07-20 14:12:00,477 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-20 14:12:00,478 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:12:00,479 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term [2020-07-20 14:12:00,480 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:12:00,481 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-20 14:12:00,482 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 14:12:00,484 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:12:00,485 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:12:00,486 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 14:12:00,487 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-20 14:12:00,504 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:12:00,504 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 14:12:00,581 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:12:00,582 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:12:00,611 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 14:12:00,831 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 99 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:12:00,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1380931077] [2020-07-20 14:12:00,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 14:12:00,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2020-07-20 14:12:00,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561723512] [2020-07-20 14:12:00,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 14:12:00,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:12:00,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 14:12:00,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-07-20 14:12:00,834 INFO L87 Difference]: Start difference. First operand 1492 states and 1901 transitions. Second operand 13 states. [2020-07-20 14:12:04,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:12:04,601 INFO L93 Difference]: Finished difference Result 3936 states and 5247 transitions. [2020-07-20 14:12:04,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 14:12:04,602 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 223 [2020-07-20 14:12:04,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:12:04,622 INFO L225 Difference]: With dead ends: 3936 [2020-07-20 14:12:04,622 INFO L226 Difference]: Without dead ends: 2632 [2020-07-20 14:12:04,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 433 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=187, Invalid=413, Unknown=0, NotChecked=0, Total=600 [2020-07-20 14:12:04,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2020-07-20 14:12:04,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2612. [2020-07-20 14:12:04,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2612 states. [2020-07-20 14:12:04,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2612 states and 3290 transitions. [2020-07-20 14:12:04,715 INFO L78 Accepts]: Start accepts. Automaton has 2612 states and 3290 transitions. Word has length 223 [2020-07-20 14:12:04,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:12:04,716 INFO L479 AbstractCegarLoop]: Abstraction has 2612 states and 3290 transitions. [2020-07-20 14:12:04,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 14:12:04,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 3290 transitions. [2020-07-20 14:12:04,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-07-20 14:12:04,727 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:12:04,728 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:04,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:12:04,941 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:12:04,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:12:04,942 INFO L82 PathProgramCache]: Analyzing trace with hash 2106362550, now seen corresponding path program 1 times [2020-07-20 14:12:04,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:12:04,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1186948941] [2020-07-20 14:12:04,943 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 14:12:05,103 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:12:05,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:12:05,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:12:05,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:12:05,163 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-07-20 14:12:05,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:12:05,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1186948941] [2020-07-20 14:12:05,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:12:05,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:12:05,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965841884] [2020-07-20 14:12:05,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:12:05,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:12:05,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:12:05,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:12:05,166 INFO L87 Difference]: Start difference. First operand 2612 states and 3290 transitions. Second operand 3 states. [2020-07-20 14:12:05,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:12:05,928 INFO L93 Difference]: Finished difference Result 3530 states and 4475 transitions. [2020-07-20 14:12:05,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:12:05,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 273 [2020-07-20 14:12:05,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:12:05,949 INFO L225 Difference]: With dead ends: 3530 [2020-07-20 14:12:05,950 INFO L226 Difference]: Without dead ends: 3528 [2020-07-20 14:12:05,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 271 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 14:12:05,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3528 states. [2020-07-20 14:12:06,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3528 to 3164. [2020-07-20 14:12:06,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3164 states. [2020-07-20 14:12:06,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 4009 transitions. [2020-07-20 14:12:06,055 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 4009 transitions. Word has length 273 [2020-07-20 14:12:06,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:12:06,056 INFO L479 AbstractCegarLoop]: Abstraction has 3164 states and 4009 transitions. [2020-07-20 14:12:06,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:12:06,056 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 4009 transitions. [2020-07-20 14:12:06,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2020-07-20 14:12:06,072 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:12:06,073 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:06,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:12:06,289 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:12:06,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:12:06,290 INFO L82 PathProgramCache]: Analyzing trace with hash 313381864, now seen corresponding path program 1 times [2020-07-20 14:12:06,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:12:06,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200103871] [2020-07-20 14:12:06,291 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 14:12:06,566 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:12:06,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:12:06,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:12:06,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:12:06,734 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2020-07-20 14:12:06,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:12:06,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200103871] [2020-07-20 14:12:06,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:12:06,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:12:06,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761461823] [2020-07-20 14:12:06,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:12:06,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:12:06,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:12:06,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:12:06,736 INFO L87 Difference]: Start difference. First operand 3164 states and 4009 transitions. Second operand 3 states. [2020-07-20 14:12:07,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:12:07,573 INFO L93 Difference]: Finished difference Result 4266 states and 5394 transitions. [2020-07-20 14:12:07,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:12:07,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 471 [2020-07-20 14:12:07,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:12:07,593 INFO L225 Difference]: With dead ends: 4266 [2020-07-20 14:12:07,594 INFO L226 Difference]: Without dead ends: 4264 [2020-07-20 14:12:07,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 469 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 14:12:07,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4264 states. [2020-07-20 14:12:07,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4264 to 3170. [2020-07-20 14:12:07,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3170 states. [2020-07-20 14:12:07,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 4017 transitions. [2020-07-20 14:12:07,681 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 4017 transitions. Word has length 471 [2020-07-20 14:12:07,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:12:07,682 INFO L479 AbstractCegarLoop]: Abstraction has 3170 states and 4017 transitions. [2020-07-20 14:12:07,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:12:07,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 4017 transitions. [2020-07-20 14:12:07,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2020-07-20 14:12:07,698 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:12:07,699 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:12:07,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:12:07,903 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:12:07,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:12:07,904 INFO L82 PathProgramCache]: Analyzing trace with hash 179295736, now seen corresponding path program 1 times [2020-07-20 14:12:07,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:12:07,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2055879940] [2020-07-20 14:12:07,905 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 14:12:08,155 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:12:08,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:12:08,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:12:08,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:12:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2020-07-20 14:12:08,343 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:12:08,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2055879940] [2020-07-20 14:12:08,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:12:08,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:12:08,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379057295] [2020-07-20 14:12:08,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:12:08,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:12:08,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:12:08,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:12:08,348 INFO L87 Difference]: Start difference. First operand 3170 states and 4017 transitions. Second operand 3 states. [2020-07-20 14:12:09,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:12:09,259 INFO L93 Difference]: Finished difference Result 4274 states and 5711 transitions. [2020-07-20 14:12:09,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:12:09,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 527 [2020-07-20 14:12:09,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:12:09,278 INFO L225 Difference]: With dead ends: 4274 [2020-07-20 14:12:09,279 INFO L226 Difference]: Without dead ends: 4272 [2020-07-20 14:12:09,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 525 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 14:12:09,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4272 states. [2020-07-20 14:12:09,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4272 to 3172. [2020-07-20 14:12:09,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3172 states. [2020-07-20 14:12:09,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 3172 states and 4024 transitions. [2020-07-20 14:12:09,366 INFO L78 Accepts]: Start accepts. Automaton has 3172 states and 4024 transitions. Word has length 527 [2020-07-20 14:12:09,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:12:09,367 INFO L479 AbstractCegarLoop]: Abstraction has 3172 states and 4024 transitions. [2020-07-20 14:12:09,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:12:09,368 INFO L276 IsEmpty]: Start isEmpty. Operand 3172 states and 4024 transitions. [2020-07-20 14:12:09,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2020-07-20 14:12:09,400 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:12:09,401 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:09,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:12:09,616 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:12:09,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:12:09,617 INFO L82 PathProgramCache]: Analyzing trace with hash -347572093, now seen corresponding path program 1 times [2020-07-20 14:12:09,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:12:09,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [820557790] [2020-07-20 14:12:09,617 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 14:12:09,872 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:12:09,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:12:09,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:12:09,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:12:10,120 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2020-07-20 14:12:10,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:12:10,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [820557790] [2020-07-20 14:12:10,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:12:10,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:12:10,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655913072] [2020-07-20 14:12:10,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:12:10,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:12:10,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:12:10,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:12:10,124 INFO L87 Difference]: Start difference. First operand 3172 states and 4024 transitions. Second operand 3 states. [2020-07-20 14:12:10,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:12:10,943 INFO L93 Difference]: Finished difference Result 7072 states and 8970 transitions. [2020-07-20 14:12:10,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:12:10,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 554 [2020-07-20 14:12:10,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:12:10,945 INFO L225 Difference]: With dead ends: 7072 [2020-07-20 14:12:10,945 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 14:12:10,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 552 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 14:12:10,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 14:12:10,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 14:12:10,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 14:12:10,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 14:12:10,958 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 554 [2020-07-20 14:12:10,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:12:10,959 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 14:12:10,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:12:10,959 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 14:12:10,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 14:12:11,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:12:11,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 14:12:12,029 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 47 [2020-07-20 14:12:12,213 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 14:12:12,213 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a12~0 |old(~a12~0)|) (<= ~a24~0 |old(~a24~0)|) (<= ~a15~0 |old(~a15~0)|) (<= |old(~a21~0)| ~a21~0)) [2020-07-20 14:12:12,214 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 14:12:12,214 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-07-20 14:12:12,214 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-07-20 14:12:12,214 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,214 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,214 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,214 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-07-20 14:12:12,214 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 14:12:12,214 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 14:12:12,214 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 14:12:12,215 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-07-20 14:12:12,215 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-07-20 14:12:12,215 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-07-20 14:12:12,215 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-07-20 14:12:12,215 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,215 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,216 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,216 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-07-20 14:12:12,216 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-07-20 14:12:12,216 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 14:12:12,216 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 14:12:12,216 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 14:12:12,216 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-07-20 14:12:12,216 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-07-20 14:12:12,217 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-07-20 14:12:12,217 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,217 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,217 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,217 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-07-20 14:12:12,217 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 14:12:12,217 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 14:12:12,217 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 14:12:12,217 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-07-20 14:12:12,218 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-07-20 14:12:12,218 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-07-20 14:12:12,218 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-07-20 14:12:12,218 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-07-20 14:12:12,218 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,218 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,218 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,218 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-07-20 14:12:12,218 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 14:12:12,218 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 14:12:12,219 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 14:12:12,219 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-07-20 14:12:12,219 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-07-20 14:12:12,219 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-07-20 14:12:12,219 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,219 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,219 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,219 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-07-20 14:12:12,220 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 14:12:12,220 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 14:12:12,220 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 14:12:12,220 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-07-20 14:12:12,220 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-07-20 14:12:12,220 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-07-20 14:12:12,220 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-07-20 14:12:12,220 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-07-20 14:12:12,220 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,221 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,221 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,221 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,221 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-07-20 14:12:12,221 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 14:12:12,221 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 14:12:12,221 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 14:12:12,221 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-07-20 14:12:12,221 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-07-20 14:12:12,221 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-07-20 14:12:12,222 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-07-20 14:12:12,222 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,222 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,222 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,222 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 14:12:12,222 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 14:12:12,222 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 14:12:12,222 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-07-20 14:12:12,223 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-07-20 14:12:12,223 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-07-20 14:12:12,223 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-07-20 14:12:12,223 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-07-20 14:12:12,223 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,223 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,223 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,223 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-07-20 14:12:12,223 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-07-20 14:12:12,224 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 14:12:12,224 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 14:12:12,224 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 14:12:12,224 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-07-20 14:12:12,224 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse1 (<= ~a12~0 |old(~a12~0)|)) (.cse2 (<= ~a24~0 |old(~a24~0)|)) (.cse3 (<= ~a15~0 |old(~a15~0)|)) (.cse4 (<= |old(~a21~0)| ~a21~0))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse4))) (and (or (not (<= |old(~a21~0)| 7)) (<= ~a21~0 7)) (or (not (<= |old(~a24~0)| 1)) (not (< |old(~a12~0)| 81)) .cse0) (or (not (<= |old(~a15~0)| 5)) .cse0) (or (not (<= 8 |old(~a15~0)|)) (<= 8 ~a15~0)) (or (and (not (<= |old(~a21~0)| 9)) (not (<= 7 |old(~a15~0)|))) (and .cse1 .cse2 .cse3 (<= ~a21~0 9) .cse4) (and .cse1 (<= 7 ~a15~0) .cse2 .cse3 .cse4))))) [2020-07-20 14:12:12,224 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-07-20 14:12:12,224 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-07-20 14:12:12,224 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,225 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,225 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,225 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 14:12:12,225 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 14:12:12,225 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 14:12:12,225 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-07-20 14:12:12,225 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-07-20 14:12:12,225 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-07-20 14:12:12,225 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-07-20 14:12:12,226 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-07-20 14:12:12,226 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,226 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,226 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,226 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-07-20 14:12:12,226 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-07-20 14:12:12,226 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 14:12:12,226 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 14:12:12,226 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 14:12:12,227 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-07-20 14:12:12,227 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-07-20 14:12:12,227 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-07-20 14:12:12,227 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,227 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,227 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,227 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-07-20 14:12:12,227 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 14:12:12,227 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 14:12:12,228 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 14:12:12,228 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-07-20 14:12:12,228 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-07-20 14:12:12,228 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-07-20 14:12:12,228 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-07-20 14:12:12,228 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,228 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,228 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,228 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-07-20 14:12:12,229 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 14:12:12,229 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 14:12:12,229 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 14:12:12,229 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-07-20 14:12:12,229 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-07-20 14:12:12,229 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-07-20 14:12:12,229 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-07-20 14:12:12,229 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,229 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,230 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-07-20 14:12:12,230 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 14:12:12,230 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 14:12:12,230 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-07-20 14:12:12,230 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-07-20 14:12:12,230 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-07-20 14:12:12,230 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-07-20 14:12:12,230 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-07-20 14:12:12,230 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2020-07-20 14:12:12,231 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,231 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,231 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-07-20 14:12:12,231 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 14:12:12,231 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 14:12:12,231 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-07-20 14:12:12,231 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-07-20 14:12:12,231 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-07-20 14:12:12,231 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,232 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,232 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-07-20 14:12:12,232 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-07-20 14:12:12,232 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 14:12:12,232 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 14:12:12,232 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-07-20 14:12:12,232 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-07-20 14:12:12,232 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-07-20 14:12:12,232 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-07-20 14:12:12,233 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,233 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,233 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-07-20 14:12:12,233 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-07-20 14:12:12,233 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 14:12:12,233 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 14:12:12,233 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-07-20 14:12:12,233 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-07-20 14:12:12,233 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-07-20 14:12:12,234 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,234 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,234 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,234 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-07-20 14:12:12,234 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-07-20 14:12:12,234 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 14:12:12,234 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 14:12:12,234 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-07-20 14:12:12,234 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-07-20 14:12:12,235 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,235 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,235 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 14:12:12,235 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,235 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-07-20 14:12:12,235 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-07-20 14:12:12,235 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-07-20 14:12:12,235 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 14:12:12,235 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 14:12:12,235 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 14:12:12,236 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-07-20 14:12:12,236 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-07-20 14:12:12,236 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-07-20 14:12:12,236 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-07-20 14:12:12,236 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,236 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,236 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,236 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-07-20 14:12:12,236 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 14:12:12,236 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 14:12:12,236 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 14:12:12,236 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-07-20 14:12:12,236 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-07-20 14:12:12,236 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-07-20 14:12:12,236 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-07-20 14:12:12,237 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,237 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,237 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,237 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-07-20 14:12:12,237 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-07-20 14:12:12,237 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 14:12:12,237 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 14:12:12,237 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 14:12:12,237 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-07-20 14:12:12,237 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-07-20 14:12:12,237 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-07-20 14:12:12,237 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,237 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,237 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,238 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-07-20 14:12:12,238 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 14:12:12,238 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 14:12:12,238 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 14:12:12,238 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-07-20 14:12:12,238 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-07-20 14:12:12,238 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-07-20 14:12:12,238 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-07-20 14:12:12,238 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-07-20 14:12:12,238 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,238 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,239 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 14:12:12,239 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-07-20 14:12:12,239 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 14:12:12,239 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 14:12:12,239 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 14:12:12,239 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-07-20 14:12:12,239 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 14:12:12,239 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a24~0 1) (<= (+ ~a12~0 49) 0) (<= ~a15~0 8) (<= 7 ~a21~0) (<= ~a21~0 7) (<= 8 ~a15~0)) [2020-07-20 14:12:12,240 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 14:12:12,240 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 14:12:12,240 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= |old(~a24~0)| 1)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a15~0)| 8)) (and (<= ~a12~0 |old(~a12~0)|) (<= ~a24~0 |old(~a24~0)|) (<= ~a15~0 8) (<= ~a21~0 7) (<= |old(~a21~0)| ~a21~0) (<= 8 ~a15~0)) (not (<= |old(~a21~0)| 7)) (not (<= 8 |old(~a15~0)|))) [2020-07-20 14:12:12,240 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-07-20 14:12:12,240 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (<= |old(~a24~0)| 1)) (and (< ~a24~0 2) (< ~a12~0 81)) (<= 7 ~a15~0) (<= ~a15~0 5) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7)) (not (<= 8 |old(~a15~0)|)) (<= ~a21~0 9)) [2020-07-20 14:12:12,240 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-20 14:12:12,241 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-20 14:12:12,241 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (not (<= |old(~a24~0)| 1)) (and (< ~a24~0 2) (< ~a12~0 81)) (<= 7 ~a15~0) (<= ~a15~0 5) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7)) (not (<= 8 |old(~a15~0)|)) (<= ~a21~0 9)) [2020-07-20 14:12:12,241 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-07-20 14:12:12,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 02:12:12 BoogieIcfgContainer [2020-07-20 14:12:12,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 14:12:12,262 INFO L168 Benchmark]: Toolchain (without parser) took 22303.22 ms. Allocated memory was 138.9 MB in the beginning and 582.0 MB in the end (delta: 443.0 MB). Free memory was 100.7 MB in the beginning and 105.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 438.1 MB. Max. memory is 7.1 GB. [2020-07-20 14:12:12,263 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 14:12:12,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 960.66 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 100.5 MB in the beginning and 167.3 MB in the end (delta: -66.8 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. [2020-07-20 14:12:12,264 INFO L168 Benchmark]: Boogie Preprocessor took 158.35 ms. Allocated memory is still 205.0 MB. Free memory was 167.3 MB in the beginning and 161.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2020-07-20 14:12:12,265 INFO L168 Benchmark]: RCFGBuilder took 1463.42 ms. Allocated memory was 205.0 MB in the beginning and 239.6 MB in the end (delta: 34.6 MB). Free memory was 161.7 MB in the beginning and 156.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2020-07-20 14:12:12,266 INFO L168 Benchmark]: TraceAbstraction took 19714.00 ms. Allocated memory was 239.6 MB in the beginning and 582.0 MB in the end (delta: 342.4 MB). Free memory was 155.4 MB in the beginning and 105.7 MB in the end (delta: 49.7 MB). Peak memory consumption was 392.1 MB. Max. memory is 7.1 GB. [2020-07-20 14:12:12,270 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 960.66 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 100.5 MB in the beginning and 167.3 MB in the end (delta: -66.8 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 158.35 ms. Allocated memory is still 205.0 MB. Free memory was 167.3 MB in the beginning and 161.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1463.42 ms. Allocated memory was 205.0 MB in the beginning and 239.6 MB in the end (delta: 34.6 MB). Free memory was 161.7 MB in the beginning and 156.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19714.00 ms. Allocated memory was 239.6 MB in the beginning and 582.0 MB in the end (delta: 342.4 MB). Free memory was 155.4 MB in the beginning and 105.7 MB in the end (delta: 49.7 MB). Peak memory consumption was 392.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((((!(\old(a24) <= 1) || (a24 < 2 && a12 < 81)) || 7 <= a15) || a15 <= 5) || !(\old(a12) + 49 <= 0)) || !(7 <= \old(a21))) || !(\old(a15) <= 8)) || !(\old(a21) <= 7)) || !(8 <= \old(a15))) || a21 <= 9 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.5s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 12.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 601 SDtfs, 3917 SDslu, 256 SDs, 0 SdLazy, 7547 SolverSat, 1822 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2805 GetRequests, 2762 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3172occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 2630 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 63 PreInvPairs, 107 NumberOfFragments, 266 HoareAnnotationTreeSize, 63 FomulaSimplifications, 5297 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1401 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2574 NumberOfCodeBlocks, 2574 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 2787 ConstructedInterpolants, 0 QuantifiedInterpolants, 2185585 SizeOfPredicates, 21 NumberOfNonLiveVariables, 4238 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 2949/3033 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...