/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 DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 20:10:47,756 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-21 20:10:47,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 20:10:47,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 20:10:47,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 20:10:47,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 20:10:47,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 20:10:47,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 20:10:47,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 20:10:47,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 20:10:47,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 20:10:47,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 20:10:47,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 20:10:47,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 20:10:47,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 20:10:47,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 20:10:47,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 20:10:47,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 20:10:47,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 20:10:47,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 20:10:47,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 20:10:47,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 20:10:47,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 20:10:47,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 20:10:47,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 20:10:47,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 20:10:47,850 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 20:10:47,873 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 20:10:47,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 20:10:47,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 20:10:47,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 20:10:47,875 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 20:10:47,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 20:10:47,876 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 20:10:47,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 20:10:47,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 20:10:47,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 20:10:47,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 20:10:47,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 20:10:47,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 20:10:47,878 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 20:10:47,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 20:10:47,879 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 20:10:47,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 20:10:47,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 20:10:47,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 20:10:47,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 20:10:47,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 20:10:47,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:10:47,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 20:10:47,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 20:10:47,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 20:10:47,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 20:10:47,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:10:47,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 20:10:47,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 20:10:47,881 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 -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 20:10:48,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 20:10:48,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 20:10:48,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 20:10:48,181 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 20:10:48,182 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 20:10:48,182 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label56.c [2020-07-21 20:10:48,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18375319d/0da521292fae43ebb1d7ac306ef3d542/FLAGe054a4332 [2020-07-21 20:10:48,822 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 20:10:48,824 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label56.c [2020-07-21 20:10:48,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18375319d/0da521292fae43ebb1d7ac306ef3d542/FLAGe054a4332 [2020-07-21 20:10:49,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18375319d/0da521292fae43ebb1d7ac306ef3d542 [2020-07-21 20:10:49,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 20:10:49,102 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 20:10:49,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 20:10:49,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 20:10:49,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 20:10:49,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:10:49" (1/1) ... [2020-07-21 20:10:49,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6438a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:10:49, skipping insertion in model container [2020-07-21 20:10:49,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:10:49" (1/1) ... [2020-07-21 20:10:49,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 20:10:49,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 20:10:49,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:10:49,723 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 20:10:49,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:10:49,869 INFO L208 MainTranslator]: Completed translation [2020-07-21 20:10:49,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:10:49 WrapperNode [2020-07-21 20:10:49,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 20:10:49,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 20:10:49,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 20:10:49,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 20:10:49,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:10:49" (1/1) ... [2020-07-21 20:10:49,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:10:49" (1/1) ... [2020-07-21 20:10:49,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:10:49" (1/1) ... [2020-07-21 20:10:49,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:10:49" (1/1) ... [2020-07-21 20:10:49,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:10:49" (1/1) ... [2020-07-21 20:10:49,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:10:49" (1/1) ... [2020-07-21 20:10:49,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:10:49" (1/1) ... [2020-07-21 20:10:49,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 20:10:49,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 20:10:49,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 20:10:49,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 20:10:49,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:10:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:10:50,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 20:10:50,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 20:10:50,038 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 20:10:50,038 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 20:10:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 20:10:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 20:10:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 20:10:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 20:10:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 20:10:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 20:10:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 20:10:51,237 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 20:10:51,237 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 20:10:51,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:10:51 BoogieIcfgContainer [2020-07-21 20:10:51,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 20:10:51,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 20:10:51,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 20:10:51,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 20:10:51,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 08:10:49" (1/3) ... [2020-07-21 20:10:51,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cde0ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:10:51, skipping insertion in model container [2020-07-21 20:10:51,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:10:49" (2/3) ... [2020-07-21 20:10:51,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cde0ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:10:51, skipping insertion in model container [2020-07-21 20:10:51,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:10:51" (3/3) ... [2020-07-21 20:10:51,268 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label56.c [2020-07-21 20:10:51,279 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 20:10:51,294 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 20:10:51,310 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 20:10:51,345 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 20:10:51,346 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 20:10:51,346 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 20:10:51,346 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 20:10:51,346 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 20:10:51,347 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 20:10:51,347 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 20:10:51,347 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 20:10:51,373 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 20:10:51,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-07-21 20:10:51,399 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:10:51,401 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:10:51,401 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:10:51,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:10:51,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1821084561, now seen corresponding path program 1 times [2020-07-21 20:10:51,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:10:51,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [502278819] [2020-07-21 20:10:51,420 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:10:51,640 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:10:51,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:10:51,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 20:10:51,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:10:51,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:10:51,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:10:51,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [502278819] [2020-07-21 20:10:51,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:10:51,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:10:51,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021893842] [2020-07-21 20:10:51,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:10:51,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:10:51,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:10:51,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:10:51,846 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-21 20:10:52,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:10:52,950 INFO L93 Difference]: Finished difference Result 619 states and 1060 transitions. [2020-07-21 20:10:52,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:10:52,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2020-07-21 20:10:52,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:10:52,984 INFO L225 Difference]: With dead ends: 619 [2020-07-21 20:10:52,984 INFO L226 Difference]: Without dead ends: 321 [2020-07-21 20:10:52,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:10:53,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-07-21 20:10:53,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2020-07-21 20:10:53,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-21 20:10:53,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 421 transitions. [2020-07-21 20:10:53,107 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 421 transitions. Word has length 129 [2020-07-21 20:10:53,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:10:53,110 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 421 transitions. [2020-07-21 20:10:53,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:10:53,111 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 421 transitions. [2020-07-21 20:10:53,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-21 20:10:53,124 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:10:53,125 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:10:53,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:10:53,339 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:10:53,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:10:53,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1159828288, now seen corresponding path program 1 times [2020-07-21 20:10:53,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:10:53,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13852231] [2020-07-21 20:10:53,343 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:10:53,524 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:10:53,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:10:53,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 20:10:53,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:10:53,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 20:10:53,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:10:53,690 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 20:10:53,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13852231] [2020-07-21 20:10:53,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 20:10:53,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2020-07-21 20:10:53,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478285506] [2020-07-21 20:10:53,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 20:10:53,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:10:53,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 20:10:53,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 20:10:53,695 INFO L87 Difference]: Start difference. First operand 319 states and 421 transitions. Second operand 4 states. [2020-07-21 20:10:54,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:10:54,391 INFO L93 Difference]: Finished difference Result 941 states and 1256 transitions. [2020-07-21 20:10:54,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 20:10:54,393 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2020-07-21 20:10:54,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:10:54,405 INFO L225 Difference]: With dead ends: 941 [2020-07-21 20:10:54,405 INFO L226 Difference]: Without dead ends: 628 [2020-07-21 20:10:54,407 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 268 SyntacticMatches, 4 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 20:10:54,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2020-07-21 20:10:54,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 628. [2020-07-21 20:10:54,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2020-07-21 20:10:54,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 815 transitions. [2020-07-21 20:10:54,463 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 815 transitions. Word has length 138 [2020-07-21 20:10:54,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:10:54,464 INFO L479 AbstractCegarLoop]: Abstraction has 628 states and 815 transitions. [2020-07-21 20:10:54,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 20:10:54,465 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 815 transitions. [2020-07-21 20:10:54,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-21 20:10:54,469 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:10:54,471 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:10:54,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:10:54,688 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:10:54,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:10:54,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1202576379, now seen corresponding path program 1 times [2020-07-21 20:10:54,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:10:54,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724197426] [2020-07-21 20:10:54,690 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:10:54,822 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:10:54,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:10:54,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:10:54,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:10:54,885 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 20:10:54,886 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:10:54,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724197426] [2020-07-21 20:10:54,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:10:54,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:10:54,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047061431] [2020-07-21 20:10:54,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:10:54,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:10:54,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:10:54,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:10:54,888 INFO L87 Difference]: Start difference. First operand 628 states and 815 transitions. Second operand 3 states. [2020-07-21 20:10:55,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:10:55,529 INFO L93 Difference]: Finished difference Result 1543 states and 2083 transitions. [2020-07-21 20:10:55,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:10:55,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-07-21 20:10:55,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:10:55,536 INFO L225 Difference]: With dead ends: 1543 [2020-07-21 20:10:55,536 INFO L226 Difference]: Without dead ends: 921 [2020-07-21 20:10:55,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:10:55,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-07-21 20:10:55,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 919. [2020-07-21 20:10:55,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2020-07-21 20:10:55,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1209 transitions. [2020-07-21 20:10:55,569 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1209 transitions. Word has length 146 [2020-07-21 20:10:55,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:10:55,570 INFO L479 AbstractCegarLoop]: Abstraction has 919 states and 1209 transitions. [2020-07-21 20:10:55,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:10:55,570 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1209 transitions. [2020-07-21 20:10:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-21 20:10:55,575 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:10:55,575 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:10:55,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:10:55,791 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:10:55,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:10:55,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1262915279, now seen corresponding path program 1 times [2020-07-21 20:10:55,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:10:55,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352806592] [2020-07-21 20:10:55,793 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:10:55,898 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:10:55,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:10:55,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 20:10:55,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:10:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:10:55,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:10:56,014 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:10:56,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352806592] [2020-07-21 20:10:56,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:10:56,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 20:10:56,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260645143] [2020-07-21 20:10:56,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 20:10:56,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:10:56,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 20:10:56,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 20:10:56,017 INFO L87 Difference]: Start difference. First operand 919 states and 1209 transitions. Second operand 7 states. [2020-07-21 20:10:57,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:10:57,666 INFO L93 Difference]: Finished difference Result 2259 states and 2968 transitions. [2020-07-21 20:10:57,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 20:10:57,668 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 152 [2020-07-21 20:10:57,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:10:57,682 INFO L225 Difference]: With dead ends: 2259 [2020-07-21 20:10:57,683 INFO L226 Difference]: Without dead ends: 1346 [2020-07-21 20:10:57,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 20:10:57,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2020-07-21 20:10:57,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1346. [2020-07-21 20:10:57,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1346 states. [2020-07-21 20:10:57,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1640 transitions. [2020-07-21 20:10:57,761 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1640 transitions. Word has length 152 [2020-07-21 20:10:57,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:10:57,762 INFO L479 AbstractCegarLoop]: Abstraction has 1346 states and 1640 transitions. [2020-07-21 20:10:57,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 20:10:57,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1640 transitions. [2020-07-21 20:10:57,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-21 20:10:57,767 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:10:57,768 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:10:57,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:10:57,970 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:10:57,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:10:57,971 INFO L82 PathProgramCache]: Analyzing trace with hash -989124760, now seen corresponding path program 1 times [2020-07-21 20:10:57,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:10:57,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2036127865] [2020-07-21 20:10:57,972 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:10:58,086 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:10:58,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:10:58,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:10:58,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:10:58,142 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:10:58,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:10:58,223 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:10:58,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2036127865] [2020-07-21 20:10:58,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:10:58,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 20:10:58,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765947904] [2020-07-21 20:10:58,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 20:10:58,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:10:58,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 20:10:58,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 20:10:58,228 INFO L87 Difference]: Start difference. First operand 1346 states and 1640 transitions. Second operand 6 states. [2020-07-21 20:10:59,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:10:59,207 INFO L93 Difference]: Finished difference Result 3156 states and 3954 transitions. [2020-07-21 20:10:59,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 20:10:59,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-07-21 20:10:59,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:10:59,221 INFO L225 Difference]: With dead ends: 3156 [2020-07-21 20:10:59,221 INFO L226 Difference]: Without dead ends: 1820 [2020-07-21 20:10:59,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 314 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 20:10:59,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2020-07-21 20:10:59,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1662. [2020-07-21 20:10:59,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1662 states. [2020-07-21 20:10:59,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1662 states and 2099 transitions. [2020-07-21 20:10:59,320 INFO L78 Accepts]: Start accepts. Automaton has 1662 states and 2099 transitions. Word has length 160 [2020-07-21 20:10:59,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:10:59,321 INFO L479 AbstractCegarLoop]: Abstraction has 1662 states and 2099 transitions. [2020-07-21 20:10:59,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 20:10:59,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2099 transitions. [2020-07-21 20:10:59,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-21 20:10:59,333 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:10:59,333 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:10:59,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:10:59,536 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:10:59,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:10:59,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1147594157, now seen corresponding path program 1 times [2020-07-21 20:10:59,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:10:59,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2050796746] [2020-07-21 20:10:59,538 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:10:59,637 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:10:59,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:10:59,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 20:10:59,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:10:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:10:59,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:10:59,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2050796746] [2020-07-21 20:10:59,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:10:59,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 20:10:59,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52575349] [2020-07-21 20:10:59,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 20:10:59,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:10:59,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 20:10:59,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 20:10:59,685 INFO L87 Difference]: Start difference. First operand 1662 states and 2099 transitions. Second operand 5 states. [2020-07-21 20:11:00,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:11:00,524 INFO L93 Difference]: Finished difference Result 4838 states and 6389 transitions. [2020-07-21 20:11:00,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 20:11:00,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2020-07-21 20:11:00,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:11:00,546 INFO L225 Difference]: With dead ends: 4838 [2020-07-21 20:11:00,546 INFO L226 Difference]: Without dead ends: 3186 [2020-07-21 20:11:00,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-21 20:11:00,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2020-07-21 20:11:00,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 2994. [2020-07-21 20:11:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2994 states. [2020-07-21 20:11:00,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2994 states and 3682 transitions. [2020-07-21 20:11:00,676 INFO L78 Accepts]: Start accepts. Automaton has 2994 states and 3682 transitions. Word has length 160 [2020-07-21 20:11:00,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:11:00,677 INFO L479 AbstractCegarLoop]: Abstraction has 2994 states and 3682 transitions. [2020-07-21 20:11:00,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 20:11:00,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2994 states and 3682 transitions. [2020-07-21 20:11:00,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-07-21 20:11:00,685 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:11:00,685 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:11:00,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:11:00,899 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:11:00,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:11:00,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1429632528, now seen corresponding path program 1 times [2020-07-21 20:11:00,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:11:00,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1473574480] [2020-07-21 20:11:00,900 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:11:01,000 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:11:01,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:11:01,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:11:01,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:11:01,041 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 20:11:01,042 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:11:01,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1473574480] [2020-07-21 20:11:01,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:11:01,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:11:01,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129371551] [2020-07-21 20:11:01,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:11:01,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:11:01,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:11:01,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:11:01,045 INFO L87 Difference]: Start difference. First operand 2994 states and 3682 transitions. Second operand 3 states. [2020-07-21 20:11:01,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:11:01,630 INFO L93 Difference]: Finished difference Result 6992 states and 8619 transitions. [2020-07-21 20:11:01,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:11:01,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-07-21 20:11:01,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:11:01,631 INFO L225 Difference]: With dead ends: 6992 [2020-07-21 20:11:01,632 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 20:11:01,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:11:01,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 20:11:01,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 20:11:01,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 20:11:01,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 20:11:01,647 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 164 [2020-07-21 20:11:01,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:11:01,648 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 20:11:01,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:11:01,648 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 20:11:01,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 20:11:01,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:11:01,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 20:11:02,661 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 37 [2020-07-21 20:11:02,813 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:11:02,813 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 |old(~a19~0)|)) [2020-07-21 20:11:02,813 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:11:02,813 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,813 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,813 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,814 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,814 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,814 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 20:11:02,814 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 20:11:02,814 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 20:11:02,814 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 20:11:02,814 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 20:11:02,815 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 20:11:02,815 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 20:11:02,815 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 20:11:02,815 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 20:11:02,815 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 20:11:02,815 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 20:11:02,815 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 20:11:02,815 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 20:11:02,816 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,816 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,816 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,816 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,816 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 20:11:02,816 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,816 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 20:11:02,816 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 20:11:02,816 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 20:11:02,817 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 20:11:02,817 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 20:11:02,817 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 20:11:02,817 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 20:11:02,817 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 20:11:02,817 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 20:11:02,817 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 20:11:02,818 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 20:11:02,818 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 20:11:02,818 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 20:11:02,818 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 20:11:02,818 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 20:11:02,818 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,818 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,818 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,819 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,819 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,819 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 541) no Hoare annotation was computed. [2020-07-21 20:11:02,819 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 20:11:02,819 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 20:11:02,819 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 20:11:02,820 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 20:11:02,820 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 20:11:02,820 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 20:11:02,820 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 20:11:02,820 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 20:11:02,820 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 20:11:02,820 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 20:11:02,820 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 20:11:02,820 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,821 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,821 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,821 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,821 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,821 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 20:11:02,821 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 20:11:02,821 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 20:11:02,822 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 20:11:02,822 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 20:11:02,822 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 20:11:02,822 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 20:11:02,822 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 20:11:02,822 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 20:11:02,822 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 20:11:02,822 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 20:11:02,823 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 20:11:02,823 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 20:11:02,823 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,823 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,823 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,823 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,823 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,823 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 20:11:02,824 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 20:11:02,824 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 20:11:02,824 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 20:11:02,824 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 20:11:02,824 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 20:11:02,824 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 20:11:02,824 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 20:11:02,825 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 20:11:02,825 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 20:11:02,825 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 20:11:02,825 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 20:11:02,825 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 20:11:02,825 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 20:11:02,825 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 20:11:02,825 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 20:11:02,826 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,826 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,826 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,826 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,826 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 20:11:02,826 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,826 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 20:11:02,826 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,826 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 20:11:02,826 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 20:11:02,826 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 20:11:02,826 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,826 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,827 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 20:11:02,827 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 20:11:02,827 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 20:11:02,827 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 20:11:02,827 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 20:11:02,827 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 20:11:02,827 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 20:11:02,827 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 20:11:02,827 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 20:11:02,827 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 20:11:02,827 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 20:11:02,827 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,827 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,827 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,828 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,828 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,828 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,828 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 20:11:02,828 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 20:11:02,828 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 20:11:02,828 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 20:11:02,828 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 20:11:02,828 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 20:11:02,828 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 20:11:02,829 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 20:11:02,829 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 20:11:02,829 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 20:11:02,829 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 20:11:02,829 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,829 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,829 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,829 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,829 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,829 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,829 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 20:11:02,829 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 20:11:02,830 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 20:11:02,830 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 20:11:02,830 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 20:11:02,830 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 20:11:02,830 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 20:11:02,830 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 20:11:02,830 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 20:11:02,830 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 20:11:02,830 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 20:11:02,830 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 20:11:02,830 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 20:11:02,830 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 20:11:02,830 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,830 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,831 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,831 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (<= ~a28~0 |old(~a28~0)|)) (.cse8 (= ~a11~0 |old(~a11~0)|)) (.cse9 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (not (<= |old(~a28~0)| 9))) (.cse5 (not (= 1 |old(~a11~0)|))) (.cse6 (and .cse7 .cse8 .cse9)) (.cse4 (not (= 1 |old(~a19~0)|))) (.cse2 (not (<= |old(~a17~0)| 7))) (.cse1 (<= ~a17~0 7)) (.cse3 (not (<= |old(~a11~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and (or .cse4 .cse5) (or .cse0 .cse5)) .cse6) (or (and .cse7 .cse8 .cse1 .cse9) .cse2 .cse5) (or .cse6 .cse3) (or .cse4 .cse2 .cse1 .cse3)))) [2020-07-21 20:11:02,831 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,831 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,831 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,831 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 20:11:02,831 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 20:11:02,831 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 20:11:02,831 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 20:11:02,831 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 20:11:02,831 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 20:11:02,831 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 20:11:02,832 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 20:11:02,832 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 20:11:02,832 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 20:11:02,832 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 20:11:02,832 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 20:11:02,832 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 20:11:02,832 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,832 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,832 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,832 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,832 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,832 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,832 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 20:11:02,833 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 20:11:02,833 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 20:11:02,833 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 20:11:02,833 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 20:11:02,833 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 20:11:02,833 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 20:11:02,833 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 20:11:02,833 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 20:11:02,833 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 20:11:02,833 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 20:11:02,834 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 20:11:02,834 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 20:11:02,834 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 20:11:02,834 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 20:11:02,834 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 20:11:02,834 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,834 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,835 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,835 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,835 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:11:02,835 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 20:11:02,835 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 20:11:02,835 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 20:11:02,835 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 20:11:02,835 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 20:11:02,836 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 20:11:02,836 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 20:11:02,836 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 20:11:02,836 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 20:11:02,836 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 20:11:02,836 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 20:11:02,836 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 20:11:02,836 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 20:11:02,836 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 20:11:02,836 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 20:11:02,836 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 20:11:02,836 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 20:11:02,836 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 20:11:02,836 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 20:11:02,837 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:11:02,837 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a28~0 7)) [2020-07-21 20:11:02,837 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:11:02,837 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:11:02,837 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and (<= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a11~0)| 0))) [2020-07-21 20:11:02,837 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 1 ~a11~0))) (or (not (= 1 |old(~a19~0)|)) (and (= 1 ~a19~0) .cse0) (and .cse0 (<= ~a28~0 9)) (<= ~a11~0 0) (not (<= |old(~a28~0)| 7)) (and .cse0 (<= ~a17~0 7)) (not (<= |old(~a11~0)| 0)))) [2020-07-21 20:11:02,837 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 20:11:02,838 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 20:11:02,838 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= 1 ~a11~0))) (or (not (= 1 |old(~a19~0)|)) (and (= 1 ~a19~0) .cse0) (and .cse0 (<= ~a28~0 9)) (<= ~a11~0 0) (not (<= |old(~a28~0)| 7)) (and .cse0 (<= ~a17~0 7)) (not (<= |old(~a11~0)| 0)))) [2020-07-21 20:11:02,838 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 20:11:02,838 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 20:11:02,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 08:11:02 BoogieIcfgContainer [2020-07-21 20:11:02,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 20:11:02,861 INFO L168 Benchmark]: Toolchain (without parser) took 13760.57 ms. Allocated memory was 138.9 MB in the beginning and 424.1 MB in the end (delta: 285.2 MB). Free memory was 101.8 MB in the beginning and 281.0 MB in the end (delta: -179.2 MB). Peak memory consumption was 252.3 MB. Max. memory is 7.1 GB. [2020-07-21 20:11:02,862 INFO L168 Benchmark]: CDTParser took 0.59 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: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-21 20:11:02,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.11 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 101.4 MB in the beginning and 171.9 MB in the end (delta: -70.5 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2020-07-21 20:11:02,864 INFO L168 Benchmark]: Boogie Preprocessor took 106.00 ms. Allocated memory is still 205.5 MB. Free memory was 171.9 MB in the beginning and 167.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-21 20:11:02,865 INFO L168 Benchmark]: RCFGBuilder took 1272.82 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 167.0 MB in the beginning and 181.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2020-07-21 20:11:02,866 INFO L168 Benchmark]: TraceAbstraction took 11605.23 ms. Allocated memory was 238.6 MB in the beginning and 424.1 MB in the end (delta: 185.6 MB). Free memory was 181.5 MB in the beginning and 281.0 MB in the end (delta: -99.4 MB). Peak memory consumption was 232.4 MB. Max. memory is 7.1 GB. [2020-07-21 20:11:02,870 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 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: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 767.11 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 101.4 MB in the beginning and 171.9 MB in the end (delta: -70.5 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.00 ms. Allocated memory is still 205.5 MB. Free memory was 171.9 MB in the beginning and 167.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1272.82 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 167.0 MB in the beginning and 181.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11605.23 ms. Allocated memory was 238.6 MB in the beginning and 424.1 MB in the end (delta: 185.6 MB). Free memory was 181.5 MB in the beginning and 281.0 MB in the end (delta: -99.4 MB). Peak memory consumption was 232.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 541]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((!(1 == \old(a19)) || (1 == a19 && 1 == a11)) || (1 == a11 && a28 <= 9)) || a11 <= 0) || !(\old(a28) <= 7)) || (1 == a11 && a17 <= 7)) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.5s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 711 SDtfs, 2130 SDslu, 329 SDs, 0 SdLazy, 4314 SolverSat, 868 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1503 GetRequests, 1471 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2994occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 354 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 87 PreInvPairs, 143 NumberOfFragments, 218 HoareAnnotationTreeSize, 87 FomulaSimplifications, 1988 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1410 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1049 NumberOfCodeBlocks, 1049 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1489 ConstructedInterpolants, 0 QuantifiedInterpolants, 456228 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2621 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 210/221 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...